1165 lines
43 KiB
C#
1165 lines
43 KiB
C#
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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Web.WebPages.TestUtils;
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using Moq;
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using Xunit;
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using Assert = Microsoft.TestCommon.AssertEx;
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namespace System.Web.Helpers.Test
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{
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public class WebImageTest
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{
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private static readonly byte[] _JpgImageBytes = TestFile.Create("LambdaFinal.jpg").ReadAllBytes();
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private static readonly byte[] _BmpImageBytes = TestFile.Create("logo.bmp").ReadAllBytes();
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private static readonly byte[] _PngImageBytes = TestFile.Create("NETLogo.png").ReadAllBytes();
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private static readonly byte[] _HiResImageBytes = TestFile.Create("HiRes.jpg").ReadAllBytes();
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[Fact]
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public void ConstructorThrowsWhenFilePathIsNull()
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{
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Assert.ThrowsArgument(() =>
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new WebImage(GetContext(), s => new byte[] { }, filePath: null), "filePath", "Value cannot be null or an empty string.");
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}
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[Fact]
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public void ConstructorThrowsWhenFilePathIsEmpty()
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{
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Assert.ThrowsArgument(() =>
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new WebImage(GetContext(), s => new byte[] { }, filePath: String.Empty), "filePath", "Value cannot be null or an empty string.");
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}
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[Fact]
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public void ConstructorThrowsWhenFilePathIsInvalid()
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{
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Assert.Throws<DirectoryNotFoundException>(() =>
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new WebImage(GetContext(), s => { throw new DirectoryNotFoundException(); }, @"x:\this\does\not\exist.jpg"));
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}
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[Fact]
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public void ConstructorThrowsWhenFileContentIsInvalid()
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{
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byte[] imageContent = new byte[] { 32, 111, 209, 138, 76, 32 };
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Assert.ThrowsArgument(() => new WebImage(imageContent), "content",
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"An image could not be constructed from the content provided.");
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}
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[Fact]
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public void FilePathReturnsCorrectPath()
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{
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// Arrange
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string imageName = @"x:\My-test-image.png";
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// Act
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WebImage image = new WebImage(GetContext(), s => _PngImageBytes, imageName);
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// Assert
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Assert.Equal(imageName, image.FileName);
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}
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[Fact]
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public void FilePathCanBeSet()
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{
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// Arrange
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string originalPath = @"x:\somePath.png";
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string newPath = @"x:\someOtherPath.jpg";
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// Act
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WebImage image = new WebImage(GetContext(), s => _PngImageBytes, originalPath);
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image.FileName = newPath;
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// Assert
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Assert.Equal(newPath, image.FileName);
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}
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[Fact]
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public void SimpleGetBytesClonesArray()
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{
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WebImage image = new WebImage(_PngImageBytes);
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byte[] returnedContent = image.GetBytes();
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Assert.False(ReferenceEquals(_PngImageBytes, returnedContent), "GetBytes should clone array.");
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Assert.Equal(_PngImageBytes, returnedContent);
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}
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[Fact]
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public void WebImagePreservesOriginalFormatFromFile()
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{
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WebImage image = new WebImage(_PngImageBytes);
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byte[] returnedContent = image.GetBytes();
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// If format was changed; content would be different
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Assert.Equal(_PngImageBytes, returnedContent);
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}
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[Fact]
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public void WebImagePreservesOriginalFormatFromStream()
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{
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WebImage image = null;
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byte[] originalContent = _PngImageBytes;
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using (MemoryStream stream = new MemoryStream(originalContent))
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{
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image = new WebImage(stream);
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} // dispose stream; WebImage should have no dependency on it
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byte[] returnedContent = image.GetBytes();
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// If format was changed; content would be different
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Assert.Equal(originalContent, returnedContent);
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}
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[Fact]
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public void WebImageCorrectlyReadsFromNoSeekStream()
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{
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WebImage image = null;
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byte[] originalContent = _PngImageBytes;
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using (MemoryStream stream = new MemoryStream(originalContent))
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{
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TestStream ts = new TestStream(stream);
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image = new WebImage(ts);
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} // dispose stream; WebImage should have no dependency on it
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byte[] returnedContent = image.GetBytes();
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// If chunks are not assembled correctly; content would be different and image would be corrupted.
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Assert.Equal(originalContent, returnedContent);
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Assert.Equal("png", image.ImageFormat);
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}
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[Fact]
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public void GetBytesWithNullReturnsClonesArray()
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{
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byte[] originalContent = _BmpImageBytes;
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WebImage image = new WebImage(originalContent);
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byte[] returnedContent = image.GetBytes();
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Assert.False(ReferenceEquals(originalContent, returnedContent), "GetBytes with string null should clone array.");
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Assert.Equal(originalContent, returnedContent);
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}
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[Fact]
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public void GetBytesWithSameFormatReturnsSameFormat()
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{
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byte[] originalContent = _JpgImageBytes;
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WebImage image = new WebImage(originalContent);
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byte[] returnedContent = image.GetBytes("jpeg");
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Assert.False(ReferenceEquals(originalContent, returnedContent), "GetBytes with string null should clone array.");
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Assert.Equal(originalContent, returnedContent);
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}
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[Fact]
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public void GetBytesWithDifferentFormatReturnsExpectedFormat()
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{
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byte[] originalContent = _BmpImageBytes;
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WebImage image = new WebImage(originalContent);
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// Request different format
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byte[] returnedContent = image.GetBytes("jpg");
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Assert.False(ReferenceEquals(originalContent, returnedContent), "GetBytes with string format should clone array.");
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using (MemoryStream stream = new MemoryStream(returnedContent))
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{
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using (Image tempImage = Image.FromStream(stream))
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{
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Assert.Equal(ImageFormat.Jpeg, tempImage.RawFormat);
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}
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}
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}
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[Fact]
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public void GetBytesWithSameFormatReturnsSameFormatWhenCreatedFromFile()
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{
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byte[] originalContent = _BmpImageBytes;
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// Format is not set during construction.
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WebImage image = new WebImage(_BmpImageBytes);
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byte[] returnedContent = image.GetBytes("bmp");
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Assert.False(ReferenceEquals(originalContent, returnedContent), "GetBytes with string format should clone array.");
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Assert.Equal(originalContent, returnedContent);
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}
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[Fact]
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public void GetBytesWithNoFormatReturnsInitialFormatEvenAfterTransformations()
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{
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byte[] originalContent = _BmpImageBytes;
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// Format is not set during construction.
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WebImage image = new WebImage(_BmpImageBytes);
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image.Crop(top: 10, bottom: 10);
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byte[] returnedContent = image.GetBytes();
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Assert.NotEqual(originalContent, returnedContent);
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using (MemoryStream stream = new MemoryStream(returnedContent))
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{
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using (Image tempImage = Image.FromStream(stream))
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{
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Assert.Equal(ImageFormat.Bmp, tempImage.RawFormat);
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}
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}
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}
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[Fact]
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public void GetBytesThrowsOnIncorrectFormat()
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{
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WebImage image = new WebImage(_JpgImageBytes);
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Assert.ThrowsArgument(
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() => image.GetBytes("bmpx"),
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"format",
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"\"bmpx\" is invalid image format. Valid values are image format names like: \"JPEG\", \"BMP\", \"GIF\", \"PNG\", etc.");
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}
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[Fact]
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public void GetBytesWithDifferentFormatReturnsExpectedFormatWhenCreatedFromFile()
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{
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// Format is not set during construction.
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WebImage image = new WebImage(_PngImageBytes);
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// Request different format
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byte[] returnedContent = image.GetBytes("jpg");
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WebImage newImage = new WebImage(returnedContent);
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Assert.Equal("jpeg", newImage.ImageFormat);
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}
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[Fact]
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public void GetImageFromRequestReturnsNullForIncorrectMimeType()
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{
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// Arrange
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Mock<HttpPostedFileBase> postedFile = new Mock<HttpPostedFileBase>();
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postedFile.Setup(c => c.FileName).Returns("index.cshtml");
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postedFile.Setup(c => c.ContentType).Returns("image/jpg");
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Mock<HttpFileCollectionBase> files = new Mock<HttpFileCollectionBase>();
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files.Setup(c => c[0]).Returns(postedFile.Object);
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Mock<HttpRequestBase> request = new Mock<HttpRequestBase>();
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request.Setup(r => r.Files).Returns(files.Object);
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// Act and Assert
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Assert.Null(WebImage.GetImageFromRequest(request.Object));
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}
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[Fact]
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public void GetImageFromRequestDeterminesMimeTypeFromExtension()
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{
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// Arrange
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Mock<HttpPostedFileBase> postedFile = new Mock<HttpPostedFileBase>();
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postedFile.Setup(c => c.FileName).Returns("index.jpeg");
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postedFile.Setup(c => c.ContentType).Returns("application/octet-stream");
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postedFile.Setup(c => c.ContentLength).Returns(1);
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postedFile.Setup(c => c.InputStream).Returns(new MemoryStream(_JpgImageBytes));
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Mock<HttpFileCollectionBase> files = new Mock<HttpFileCollectionBase>();
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files.Setup(c => c.Count).Returns(1);
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files.Setup(c => c[0]).Returns(postedFile.Object);
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Mock<HttpRequestBase> request = new Mock<HttpRequestBase>();
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request.Setup(r => r.Files).Returns(files.Object);
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// Act
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WebImage image = WebImage.GetImageFromRequest(request.Object);
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// Assert
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Assert.NotNull(image);
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Assert.Equal("jpeg", image.ImageFormat);
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}
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[Fact]
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public void GetImageFromRequestIsCaseInsensitive()
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{
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// Arrange
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Mock<HttpPostedFileBase> postedFile = new Mock<HttpPostedFileBase>();
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postedFile.SetupGet(c => c.FileName).Returns("index.JPg");
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postedFile.SetupGet(c => c.ContentType).Returns("application/octet-stream");
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postedFile.SetupGet(c => c.ContentLength).Returns(1);
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postedFile.SetupGet(c => c.InputStream).Returns(new MemoryStream(_JpgImageBytes));
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Mock<HttpFileCollectionBase> files = new Mock<HttpFileCollectionBase>();
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files.Setup(c => c.Count).Returns(1);
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files.Setup(c => c[0]).Returns(postedFile.Object);
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Mock<HttpRequestBase> request = new Mock<HttpRequestBase>();
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request.Setup(r => r.Files).Returns(files.Object);
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// Act
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WebImage image = WebImage.GetImageFromRequest(request.Object);
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// Assert
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Assert.NotNull(image);
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Assert.Equal("jpeg", image.ImageFormat);
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}
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[Fact]
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public void ImagePropertiesAreCorrectForBmpImage()
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{
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WebImage image = new WebImage(_BmpImageBytes);
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Assert.Equal("bmp", image.ImageFormat);
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Assert.Equal(108, image.Width);
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Assert.Equal(44, image.Height);
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}
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[Fact]
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public void ImagePropertiesAreCorrectForPngImage()
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{
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WebImage image = new WebImage(_PngImageBytes);
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Assert.Equal("png", image.ImageFormat);
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Assert.Equal(160, image.Width);
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Assert.Equal(152, image.Height);
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}
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[Fact]
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public void ImagePropertiesAreCorrectForJpgImage()
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{
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WebImage image = new WebImage(_JpgImageBytes);
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Assert.Equal("jpeg", image.ImageFormat);
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Assert.Equal(634, image.Width);
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Assert.Equal(489, image.Height);
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}
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[Fact]
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public void ResizePreservesRatio()
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{
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WebImage image = new WebImage(_JpgImageBytes);
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image.Resize(200, 100, preserveAspectRatio: true, preventEnlarge: true);
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Assert.Equal(130, image.Width);
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Assert.Equal(100, image.Height);
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}
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[Fact]
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|||
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public void ResizePreservesResolution()
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{
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MemoryStream output = null;
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Action<string, byte[]> saveAction = (_, content) => { output = new MemoryStream(content); };
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WebImage image = new WebImage(_HiResImageBytes);
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image.Resize(200, 100, preserveAspectRatio: true, preventEnlarge: true);
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image.Save(GetContext(), saveAction, @"x:\ResizePreservesResolution.jpg", "jpeg", forceWellKnownExtension: true);
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using (Image original = Image.FromStream(new MemoryStream(_HiResImageBytes)))
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{
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using (Image modified = Image.FromStream(output))
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{
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Assert.Equal(original.HorizontalResolution, modified.HorizontalResolution);
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Assert.Equal(original.VerticalResolution, modified.VerticalResolution);
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}
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}
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}
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[Fact]
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|||
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public void ResizePreservesFormat()
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|||
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{
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// Arrange
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|||
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WebImage image = new WebImage(_PngImageBytes);
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MemoryStream output = null;
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Action<string, byte[]> saveAction = (_, content) => { output = new MemoryStream(content); };
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// Act
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|||
|
|
image.Resize(200, 100, preserveAspectRatio: true, preventEnlarge: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(image.ImageFormat, "png");
|
|||
|
|
image.Save(GetContext(), saveAction, @"x:\1.png", null, false);
|
|||
|
|
|
|||
|
|
using (Image modified = Image.FromStream(output))
|
|||
|
|
{
|
|||
|
|
Assert.Equal(ImageFormat.Png, modified.RawFormat);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveUpdatesFileNameOfWebImageWhenForcingWellKnownExtension()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
var context = GetContext();
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(context, _ => _JpgImageBytes, @"c:\images\foo.jpg");
|
|||
|
|
|
|||
|
|
image.Save(context, (_, __) => { }, @"x:\1.exe", "jpg", forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(@"x:\1.exe.jpeg", image.FileName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveUpdatesFileNameOfWebImageWhenFormatChanges()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
string imagePath = @"x:\images\foo.jpg";
|
|||
|
|
var context = GetContext();
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(context, _ => _JpgImageBytes, imagePath);
|
|||
|
|
|
|||
|
|
image.Save(context, (_, __) => { }, imagePath, "png", forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(@"x:\images\foo.jpg.png", image.FileName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveKeepsNameIfFormatIsUnchanged()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
string imagePath = @"x:\images\foo.jpg";
|
|||
|
|
var context = GetContext();
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(context, _ => _JpgImageBytes, imagePath);
|
|||
|
|
|
|||
|
|
image.Save(context, (_, __) => { }, imagePath, "jpg", forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(@"x:\images\foo.jpg", image.FileName);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void ResizeThrowsOnIncorrectWidthOrHeight()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThan(
|
|||
|
|
() => image.Resize(-1, 100, preserveAspectRatio: true, preventEnlarge: true),
|
|||
|
|
"width",
|
|||
|
|
"0");
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThan(
|
|||
|
|
() => image.Resize(100, -1, preserveAspectRatio: true, preventEnlarge: true),
|
|||
|
|
"height",
|
|||
|
|
"0");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void ResizeAndRotateDoesOperationsInRightOrder()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.Resize(200, 100, preserveAspectRatio: true, preventEnlarge: true).RotateLeft();
|
|||
|
|
|
|||
|
|
Assert.Equal(100, image.Width);
|
|||
|
|
Assert.Equal(130, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void ClonePreservesAllInformation()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.Resize(200, 100, preserveAspectRatio: true, preventEnlarge: true).RotateLeft();
|
|||
|
|
|
|||
|
|
// this should preserve list of transformations
|
|||
|
|
WebImage cloned = image.Clone();
|
|||
|
|
|
|||
|
|
Assert.Equal(100, cloned.Width);
|
|||
|
|
Assert.Equal(130, cloned.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void ResizePreventsEnlarge()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
int height = image.Height;
|
|||
|
|
int width = image.Width;
|
|||
|
|
|
|||
|
|
image.Resize(width * 2, height, preserveAspectRatio: true, preventEnlarge: true);
|
|||
|
|
Assert.Equal(width, image.Width);
|
|||
|
|
Assert.Equal(height, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void CropCreatesCroppedImage()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.Crop(20, 20, 20, 20);
|
|||
|
|
|
|||
|
|
Assert.Equal(594, image.Width);
|
|||
|
|
Assert.Equal(449, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void CropThrowsOnIncorrectArguments()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThanOrEqualTo(
|
|||
|
|
() => image.Crop(top: -1),
|
|||
|
|
"top",
|
|||
|
|
"0");
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThanOrEqualTo(
|
|||
|
|
() => image.Crop(left: -1),
|
|||
|
|
"left",
|
|||
|
|
"0");
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThanOrEqualTo(
|
|||
|
|
() => image.Crop(bottom: -1),
|
|||
|
|
"bottom",
|
|||
|
|
"0");
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThanOrEqualTo(
|
|||
|
|
() => image.Crop(right: -1),
|
|||
|
|
"right",
|
|||
|
|
"0");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void RotateLeftReturnsRotatedImage()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_PngImageBytes);
|
|||
|
|
image.RotateLeft();
|
|||
|
|
|
|||
|
|
Assert.Equal(152, image.Width);
|
|||
|
|
Assert.Equal(160, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void RotateRightReturnsRotatedImage()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_PngImageBytes);
|
|||
|
|
image.RotateRight();
|
|||
|
|
|
|||
|
|
Assert.Equal(152, image.Width);
|
|||
|
|
Assert.Equal(160, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void FlipVerticalReturnsFlippedImage()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_PngImageBytes);
|
|||
|
|
image.FlipVertical();
|
|||
|
|
|
|||
|
|
Assert.Equal(160, image.Width);
|
|||
|
|
Assert.Equal(152, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void FlipHorizontalReturnsFlippedImage()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_PngImageBytes);
|
|||
|
|
image.FlipHorizontal();
|
|||
|
|
|
|||
|
|
Assert.Equal(160, image.Width);
|
|||
|
|
Assert.Equal(152, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void MultipleCombinedOperationsExecuteInRightOrder()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.Resize(200, 100, preserveAspectRatio: true, preventEnlarge: true).RotateLeft();
|
|||
|
|
image.Crop(top: 10, right: 10).AddTextWatermark("plan9");
|
|||
|
|
|
|||
|
|
Assert.Equal(90, image.Width);
|
|||
|
|
Assert.Equal(120, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkPreservesImageDimension()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.AddTextWatermark("Plan9", fontSize: 16, horizontalAlign: "Left", verticalAlign: "Bottom", opacity: 50);
|
|||
|
|
|
|||
|
|
Assert.Equal(634, image.Width);
|
|||
|
|
Assert.Equal(489, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkParsesHexColorCorrectly()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.AddTextWatermark("Plan9", fontSize: 16, fontColor: "#FF0000", horizontalAlign: "Center", verticalAlign: "Middle");
|
|||
|
|
|
|||
|
|
Assert.Equal(634, image.Width);
|
|||
|
|
Assert.Equal(489, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkParsesShortHexColorCorrectly()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.AddTextWatermark("Plan9", fontSize: 16, fontColor: "#F00", horizontalAlign: "Center", verticalAlign: "Middle");
|
|||
|
|
|
|||
|
|
Assert.Equal(634, image.Width);
|
|||
|
|
Assert.Equal(489, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkDoesNotChangeImageIfPaddingIsTooBig()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.AddTextWatermark("Plan9", padding: 1000);
|
|||
|
|
|
|||
|
|
Assert.Equal(634, image.Width);
|
|||
|
|
Assert.Equal(489, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnNegativeOpacity()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentOutOfRange(() => image.AddTextWatermark("Plan9", opacity: -1), "opacity", "Value must be between 0 and 100.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnTooBigOpacity()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentOutOfRange(() => image.AddTextWatermark("Plan9", opacity: 155), "opacity", "Value must be between 0 and 100.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnEmptyText()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
Assert.ThrowsArgumentNullOrEmptyString(
|
|||
|
|
() => image.AddTextWatermark(""),
|
|||
|
|
"text");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnIncorrectColorName()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddTextWatermark("p9", fontColor: "super"),
|
|||
|
|
"The \"fontColor\" value is invalid. Valid values are names like \"White\", \"Black\", or \"DarkBlue\", or hexadecimal values in the form \"#RRGGBB\" or \"#RGB\".");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnIncorrectHexColorValue()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddTextWatermark("p9", fontColor: "#XXX"),
|
|||
|
|
"The \"fontColor\" value is invalid. Valid values are names like \"White\", \"Black\", or \"DarkBlue\", or hexadecimal values in the form \"#RRGGBB\" or \"#RGB\".");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnIncorrectHexColorLength()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddTextWatermark("p9", fontColor: "#F000"),
|
|||
|
|
"The \"fontColor\" value is invalid. Valid values are names like \"White\", \"Black\", or \"DarkBlue\", or hexadecimal values in the form \"#RRGGBB\" or \"#RGB\".");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnIncorrectHorizontalAlignment()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddTextWatermark("p9", horizontalAlign: "Justify"),
|
|||
|
|
"The \"horizontalAlign\" value is invalid. Valid values are: \"Right\", \"Left\", and \"Center\".");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnIncorrectVerticalAlignment()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddTextWatermark("p9", verticalAlign: "NotSet"),
|
|||
|
|
"The \"verticalAlign\" value is invalid. Valid values are: \"Top\", \"Bottom\", and \"Middle\".");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnNegativePadding()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
Assert.ThrowsArgumentGreaterThanOrEqualTo(
|
|||
|
|
() => image.AddTextWatermark("p9", padding: -10),
|
|||
|
|
"padding",
|
|||
|
|
"0");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnIncorrectFontSize()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
Assert.ThrowsArgumentGreaterThan(
|
|||
|
|
() => image.AddTextWatermark("p9", fontSize: -10),
|
|||
|
|
"fontSize",
|
|||
|
|
"0");
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThan(
|
|||
|
|
() => image.AddTextWatermark("p9", fontSize: 0),
|
|||
|
|
"fontSize",
|
|||
|
|
"0");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnIncorrectFontStyle()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddTextWatermark("p9", fontStyle: "something"),
|
|||
|
|
"The \"fontStyle\" value is invalid. Valid values are: \"Regular\", \"Bold\", \"Italic\", \"Underline\", and \"Strikeout\".");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddTextWatermarkThrowsOnIncorrectFontFamily()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddTextWatermark("p9", fontFamily: "something"),
|
|||
|
|
"The \"fontFamily\" value is invalid. Valid values are font family names like: \"Arial\", \"Times New Roman\", etc. Make sure that the font family you are trying to use is installed on the server.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkPreservesImageDimension()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.AddImageWatermark(watermark, horizontalAlign: "LEFT", verticalAlign: "top", opacity: 50, padding: 10);
|
|||
|
|
|
|||
|
|
Assert.Equal(634, image.Width);
|
|||
|
|
Assert.Equal(489, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void CanAddTextAndImageWatermarks()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.AddImageWatermark(watermark, horizontalAlign: "LEFT", verticalAlign: "top", opacity: 30, padding: 10);
|
|||
|
|
image.AddTextWatermark("plan9");
|
|||
|
|
|
|||
|
|
Assert.Equal(634, image.Width);
|
|||
|
|
Assert.Equal(489, image.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkDoesNotChangeWatermarkImage()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
image.AddImageWatermark(watermark, width: 54, height: 22, horizontalAlign: "LEFT", verticalAlign: "top", opacity: 50, padding: 10);
|
|||
|
|
|
|||
|
|
Assert.Equal(108, watermark.Width);
|
|||
|
|
Assert.Equal(44, watermark.Height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkThrowsOnNullImage()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentNull(
|
|||
|
|
() => image.AddImageWatermark(watermarkImage: null),
|
|||
|
|
"watermarkImage");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkThrowsWhenJustOneDimensionIsZero()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
string message = "Watermark width and height must both be positive or both be zero.";
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddImageWatermark(watermark, width: 0, height: 22), message);
|
|||
|
|
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddImageWatermark(watermark, width: 100, height: 0), message);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkThrowsWhenOpacityIsIncorrect()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentOutOfRange(() => image.AddImageWatermark(watermark, opacity: -1), "opacity", "Value must be between 0 and 100.");
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentOutOfRange(() => image.AddImageWatermark(watermark, opacity: 120), "opacity", "Value must be between 0 and 100.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkThrowsOnNegativeDimensions()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThanOrEqualTo(
|
|||
|
|
() => image.AddImageWatermark(watermark, width: -1),
|
|||
|
|
"width",
|
|||
|
|
"0");
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThanOrEqualTo(
|
|||
|
|
() => image.AddImageWatermark(watermark, height: -1),
|
|||
|
|
"height",
|
|||
|
|
"0");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkThrowsOnIncorrectHorizontalAlignment()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddImageWatermark(watermark, horizontalAlign: "horizontal"),
|
|||
|
|
"The \"horizontalAlign\" value is invalid. Valid values are: \"Right\", \"Left\", and \"Center\".");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkThrowsOnIncorrectVerticalAlignment()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.Throws<ArgumentException>(
|
|||
|
|
() => image.AddImageWatermark(watermark, verticalAlign: "vertical"),
|
|||
|
|
"The \"verticalAlign\" value is invalid. Valid values are: \"Top\", \"Bottom\", and \"Middle\".");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkThrowsOnNegativePadding()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage image = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentGreaterThanOrEqualTo(
|
|||
|
|
() => image.AddImageWatermark(watermark, padding: -10),
|
|||
|
|
"padding",
|
|||
|
|
"0");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkDoesNotChangeImageIfWatermarkIsTooBig()
|
|||
|
|
{
|
|||
|
|
WebImage watermark = new WebImage(_JpgImageBytes);
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
byte[] originalBytes = image.GetBytes("jpg");
|
|||
|
|
|
|||
|
|
// This will use original watermark image dimensions which is bigger than the target image.
|
|||
|
|
image.AddImageWatermark(watermark);
|
|||
|
|
byte[] watermarkedBytes = image.GetBytes("jpg");
|
|||
|
|
|
|||
|
|
Assert.Equal(originalBytes, watermarkedBytes);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkWithFileNameThrowsExceptionWhenWatermarkDirectoryDoesNotExist()
|
|||
|
|
{
|
|||
|
|
var context = GetContext();
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
|
|||
|
|
Assert.Throws<DirectoryNotFoundException>(
|
|||
|
|
() => image.AddImageWatermark(context, s => { throw new DirectoryNotFoundException(); }, @"x:\path\does\not\exist", width: 0, height: 0, horizontalAlign: "Right", verticalAlign: "Bottom", opacity: 100, padding: 5));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkWithFileNameThrowsExceptionWhenWatermarkFileDoesNotExist()
|
|||
|
|
{
|
|||
|
|
var context = GetContext();
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
Assert.Throws<FileNotFoundException>(
|
|||
|
|
() => image.AddImageWatermark(context, s => { throw new FileNotFoundException(); }, @"x:\there-is-no-file.jpg", width: 0, height: 0, horizontalAlign: "Right", verticalAlign: "Bottom", opacity: 100, padding: 5));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkWithFileNameThrowsExceptionWhenWatermarkFilePathIsNull()
|
|||
|
|
{
|
|||
|
|
var context = GetContext();
|
|||
|
|
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
Assert.ThrowsArgument(
|
|||
|
|
() => image.AddImageWatermark(context, s => _JpgImageBytes, watermarkImageFilePath: null, width: 0, height: 0, horizontalAlign: "Right", verticalAlign: "Bottom", opacity: 100, padding: 5),
|
|||
|
|
"filePath",
|
|||
|
|
"Value cannot be null or an empty string.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void AddImageWatermarkWithFileNameThrowsExceptionWhenWatermarkFilePathIsEmpty()
|
|||
|
|
{
|
|||
|
|
var context = GetContext();
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
Assert.ThrowsArgument(
|
|||
|
|
() => image.AddImageWatermark(context, s => _JpgImageBytes, watermarkImageFilePath: null, width: 0, height: 0, horizontalAlign: "Right", verticalAlign: "Bottom", opacity: 100, padding: 5),
|
|||
|
|
"filePath",
|
|||
|
|
"Value cannot be null or an empty string.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void CanAddImageWatermarkWithFileName()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
var context = GetContext();
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
WebImage watermark = new WebImage(_JpgImageBytes);
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
var watermarkedWithImageArgument = image.AddImageWatermark(watermark).GetBytes();
|
|||
|
|
var watermarkedWithFilePathArgument = image.AddImageWatermark(context, (name) => _JpgImageBytes, @"x:\jpegimage.jpg", width: 0, height: 0, horizontalAlign: "Right", verticalAlign: "Bottom", opacity: 100, padding: 5).GetBytes();
|
|||
|
|
|
|||
|
|
Assert.Equal(watermarkedWithImageArgument, watermarkedWithFilePathArgument);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveOverwritesExistingFile()
|
|||
|
|
{
|
|||
|
|
Action<string, byte[]> saveAction = (path, content) => { };
|
|||
|
|
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
string newFileName = @"x:\newImage.bmp";
|
|||
|
|
|
|||
|
|
image.Save(GetContext(), saveAction, newFileName, imageFormat: null, forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
image.RotateLeft();
|
|||
|
|
// just verify this does not throw
|
|||
|
|
image.Save(GetContext(), saveAction, newFileName, imageFormat: null, forceWellKnownExtension: true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveThrowsWhenPathIsNull()
|
|||
|
|
{
|
|||
|
|
Action<string, byte[]> saveAction = (path, content) => { };
|
|||
|
|
|
|||
|
|
// this constructor will not set path
|
|||
|
|
byte[] originalContent = _BmpImageBytes;
|
|||
|
|
WebImage image = new WebImage(originalContent);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentNullOrEmptyString(
|
|||
|
|
() => image.Save(GetContext(), saveAction, filePath: null, imageFormat: null, forceWellKnownExtension: true),
|
|||
|
|
"filePath");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveThrowsWhenPathIsEmpty()
|
|||
|
|
{
|
|||
|
|
Action<string, byte[]> saveAction = (path, content) => { };
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
|
|||
|
|
Assert.ThrowsArgumentNullOrEmptyString(
|
|||
|
|
() => image.Save(GetContext(), saveAction, filePath: String.Empty, imageFormat: null, forceWellKnownExtension: true),
|
|||
|
|
"filePath");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveUsesOriginalFormatWhenNoFormatIsSpecified()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
// Use rooted path so we by pass using HttpContext
|
|||
|
|
var specifiedOutputFile = @"C:\some-dir\foo.jpg";
|
|||
|
|
string actualOutputFile = null;
|
|||
|
|
Action<string, byte[]> saveAction = (fileName, content) => { actualOutputFile = fileName; };
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(_PngImageBytes);
|
|||
|
|
image.Save(GetContext(), saveAction, filePath: specifiedOutputFile, imageFormat: null, forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(Path.GetExtension(actualOutputFile), ".png");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveUsesOriginalFormatForStreamsWhenNoFormatIsSpecified()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
// Use rooted path so we by pass using HttpContext
|
|||
|
|
var specifiedOutputFile = @"x:\some-dir\foo.jpg";
|
|||
|
|
string actualOutputFile = null;
|
|||
|
|
Action<string, byte[]> saveAction = (fileName, content) => { actualOutputFile = fileName; };
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(_PngImageBytes);
|
|||
|
|
image.Save(GetContext(), saveAction, filePath: specifiedOutputFile, imageFormat: null, forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(Path.GetExtension(actualOutputFile), ".png");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveSetsExtensionBasedOnFormatWhenForceExtensionIsSet()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
// Use rooted path so we by pass using HttpContext
|
|||
|
|
var specifiedOutputFile = @"x:\some-dir\foo.exe";
|
|||
|
|
string actualOutputFile = null;
|
|||
|
|
Action<string, byte[]> saveAction = (fileName, content) => { actualOutputFile = fileName; };
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
image.Save(GetContext(), saveAction, filePath: specifiedOutputFile, imageFormat: "jpg", forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(".jpeg", Path.GetExtension(actualOutputFile));
|
|||
|
|
Assert.Equal(specifiedOutputFile + ".jpeg", actualOutputFile);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveAppendsExtensionBasedOnFormatWhenForceExtensionIsSet()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
// Use rooted path so we by pass using HttpContext
|
|||
|
|
var specifiedOutputFile = @"x:\some-dir\foo";
|
|||
|
|
string actualOutputFile = null;
|
|||
|
|
Action<string, byte[]> saveAction = (fileName, content) => { actualOutputFile = fileName; };
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
image.Save(GetContext(), saveAction, filePath: specifiedOutputFile, imageFormat: "jpg", forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(".jpeg", Path.GetExtension(actualOutputFile));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveDoesNotModifyExtensionWhenExtensionIsCorrect()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
// Use rooted path so we by pass using HttpContext
|
|||
|
|
var specifiedOutputFile = @"x:\some-dir\foo.jpg";
|
|||
|
|
string actualOutputFile = null;
|
|||
|
|
Action<string, byte[]> saveAction = (fileName, content) => { actualOutputFile = fileName; };
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
image.Save(GetContext(), saveAction, filePath: specifiedOutputFile, imageFormat: "jpg", forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(specifiedOutputFile, actualOutputFile);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveDoesNotModifyExtensionWhenForceCorrectExtensionRenameIsCleared()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
// Use rooted path so we by pass using HttpContext
|
|||
|
|
var specifiedOutputFile = @"x:\some-dir\foo.exe";
|
|||
|
|
string actualOutputFile = null;
|
|||
|
|
Action<string, byte[]> saveAction = (fileName, content) => { actualOutputFile = fileName; };
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
image.Save(GetContext(), saveAction, filePath: specifiedOutputFile, imageFormat: "jpg", forceWellKnownExtension: false);
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
Assert.Equal(specifiedOutputFile, actualOutputFile);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void ImageFormatIsSavedCorrectly()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
Assert.Equal("bmp", image.ImageFormat);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void SaveUsesInitialFormatWhenNoFormatIsSpecified()
|
|||
|
|
{
|
|||
|
|
// Arrange
|
|||
|
|
string savePath = @"x:\some-dir\image.png";
|
|||
|
|
MemoryStream stream = null;
|
|||
|
|
Action<string, byte[]> saveAction = (path, content) => { stream = new MemoryStream(content); };
|
|||
|
|
var image = new WebImage(_PngImageBytes);
|
|||
|
|
|
|||
|
|
// Act
|
|||
|
|
image.FlipVertical().FlipHorizontal();
|
|||
|
|
|
|||
|
|
// Assert
|
|||
|
|
image.Save(GetContext(), saveAction, savePath, imageFormat: null, forceWellKnownExtension: true);
|
|||
|
|
|
|||
|
|
using (Image savedImage = Image.FromStream(stream))
|
|||
|
|
{
|
|||
|
|
Assert.Equal(savedImage.RawFormat, ImageFormat.Png);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Fact]
|
|||
|
|
public void ImageFormatIsParsedCorrectly()
|
|||
|
|
{
|
|||
|
|
WebImage image = new WebImage(_BmpImageBytes);
|
|||
|
|
Assert.Equal("bmp", image.ImageFormat);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static HttpContextBase GetContext()
|
|||
|
|
{
|
|||
|
|
var httpContext = new Mock<HttpContextBase>();
|
|||
|
|
var httpRequest = new Mock<HttpRequestBase>();
|
|||
|
|
httpRequest.Setup(c => c.MapPath(It.IsAny<string>())).Returns((string path) => path);
|
|||
|
|
httpContext.Setup(c => c.Request).Returns(httpRequest.Object);
|
|||
|
|
|
|||
|
|
return httpContext.Object;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Test stream that pretends it can't seek.
|
|||
|
|
private class TestStream : Stream
|
|||
|
|
{
|
|||
|
|
private MemoryStream _memoryStream;
|
|||
|
|
|
|||
|
|
public TestStream(MemoryStream memoryStream)
|
|||
|
|
{
|
|||
|
|
_memoryStream = memoryStream;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool CanRead
|
|||
|
|
{
|
|||
|
|
get { return _memoryStream.CanRead; }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool CanSeek
|
|||
|
|
{
|
|||
|
|
get { return false; }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool CanWrite
|
|||
|
|
{
|
|||
|
|
get { return _memoryStream.CanWrite; }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void Flush()
|
|||
|
|
{
|
|||
|
|
_memoryStream.Flush();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override long Length
|
|||
|
|
{
|
|||
|
|
get { throw new NotSupportedException(); }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override long Position
|
|||
|
|
{
|
|||
|
|
get { return _memoryStream.Position; }
|
|||
|
|
set { _memoryStream.Position = value; }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override int Read(byte[] buffer, int offset, int count)
|
|||
|
|
{
|
|||
|
|
return _memoryStream.Read(buffer, offset, count);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override long Seek(long offset, SeekOrigin origin)
|
|||
|
|
{
|
|||
|
|
throw new NotSupportedException();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void SetLength(long value)
|
|||
|
|
{
|
|||
|
|
_memoryStream.SetLength(value);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void Write(byte[] buffer, int offset, int count)
|
|||
|
|
{
|
|||
|
|
_memoryStream.Write(buffer, offset, count);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|