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167 lines
6.4 KiB
C#
167 lines
6.4 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Web.Mvc.Test;
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using Microsoft.Web.UnitTestUtil;
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using Xunit;
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using Assert = Microsoft.TestCommon.AssertEx;
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namespace System.Web.Mvc.Html.Test
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{
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public class ValueExtensionsTest
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{
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// Value
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[Fact]
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public void ValueWithNullNameThrows()
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{
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// Arrange
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HtmlHelper<FooBarModel> helper = MvcHelper.GetHtmlHelper(GetValueViewData());
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// Act & Assert
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Assert.ThrowsArgumentNull(
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() => helper.Value(name: null),
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"name"
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);
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}
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[Fact]
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public void ValueGetsValueFromViewData()
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{
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// Arrange
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HtmlHelper<FooBarModel> helper = MvcHelper.GetHtmlHelper(GetValueViewData());
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// Act
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MvcHtmlString html = helper.Value("foo");
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// Assert
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Assert.Equal("ViewDataFoo", html.ToHtmlString());
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}
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// ValueFor
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[Fact]
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public void ValueForWithNullExpressionThrows()
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{
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// Arrange
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HtmlHelper<FooBarModel> helper = MvcHelper.GetHtmlHelper(GetValueViewData());
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// Act & Assert
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Assert.ThrowsArgumentNull(
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() => helper.ValueFor<FooBarModel, object>(expression: null),
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"expression"
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);
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}
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[Fact]
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public void ValueForGetsExpressionValueFromViewDataModel()
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{
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// Arrange
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HtmlHelper<FooBarModel> helper = MvcHelper.GetHtmlHelper(GetValueViewData());
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// Act
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MvcHtmlString html = helper.ValueFor(m => m.foo);
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// Assert
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Assert.Equal("ViewItemFoo", html.ToHtmlString());
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}
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// All Value Helpers including ValueForModel
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[Fact]
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public void ValueHelpersWithErrorsGetValueFromModelState()
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{
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// Arrange
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ViewDataDictionary<FooBarModel> viewDataWithErrors = new ViewDataDictionary<FooBarModel> { { "foo", "ViewDataFoo" } };
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viewDataWithErrors.Model = new FooBarModel() { foo = "ViewItemFoo", bar = "ViewItemBar" };
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viewDataWithErrors.TemplateInfo.HtmlFieldPrefix = "FieldPrefix";
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ModelState modelStateFoo = new ModelState();
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modelStateFoo.Value = HtmlHelperTest.GetValueProviderResult(new string[] { "AttemptedValueFoo" }, "AttemptedValueFoo");
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viewDataWithErrors.ModelState["FieldPrefix.foo"] = modelStateFoo;
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ModelState modelStateFooBar = new ModelState();
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modelStateFooBar.Value = HtmlHelperTest.GetValueProviderResult(new string[] { "AttemptedValueFooBar" }, "AttemptedValueFooBar");
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viewDataWithErrors.ModelState["FieldPrefix"] = modelStateFooBar;
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HtmlHelper<FooBarModel> helper = MvcHelper.GetHtmlHelper(viewDataWithErrors);
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// Act & Assert
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Assert.Equal("AttemptedValueFoo", helper.Value("foo").ToHtmlString());
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Assert.Equal("AttemptedValueFoo", helper.ValueFor(m => m.foo).ToHtmlString());
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Assert.Equal("AttemptedValueFooBar", helper.ValueForModel().ToHtmlString());
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}
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[Fact]
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public void ValueHelpersWithEmptyNameConvertModelValueUsingCurrentCulture()
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{
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// Arrange
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HtmlHelper<FooBarModel> helper = MvcHelper.GetHtmlHelper(GetValueViewData());
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string expectedModelValue = "{ foo = ViewItemFoo, bar = 1900/01/01 12:00:00 AM }";
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// Act & Assert
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using (HtmlHelperTest.ReplaceCulture("en-ZA", "en-US"))
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{
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Assert.Equal(expectedModelValue, helper.Value(name: String.Empty).ToHtmlString());
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Assert.Equal(expectedModelValue, helper.ValueFor(m => m).ToHtmlString());
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Assert.Equal(expectedModelValue, helper.ValueForModel().ToHtmlString());
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}
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}
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[Fact]
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public void ValueHelpersFormatValue()
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{
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// Arrange
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HtmlHelper<FooBarModel> helper = MvcHelper.GetHtmlHelper(GetValueViewData());
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string expectedModelValue = "-{ foo = ViewItemFoo, bar = 1900/01/01 12:00:00 AM }-";
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string expectedBarValue = "-1900/01/01 12:00:00 AM-";
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// Act & Assert
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using (HtmlHelperTest.ReplaceCulture("en-ZA", "en-US"))
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{
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Assert.Equal(expectedModelValue, helper.ValueForModel("-{0}-").ToHtmlString());
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Assert.Equal(expectedBarValue, helper.Value("bar", "-{0}-").ToHtmlString());
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Assert.Equal(expectedBarValue, helper.ValueFor(m => m.bar, "-{0}-").ToHtmlString());
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}
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}
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[Fact]
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public void ValueHelpersEncodeValue()
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{
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// Arrange
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ViewDataDictionary<FooBarModel> viewData = new ViewDataDictionary<FooBarModel> { { "foo", @"ViewDataFoo <"">" } };
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viewData.Model = new FooBarModel { foo = @"ViewItemFoo <"">" };
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ModelState modelStateFoo = new ModelState();
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modelStateFoo.Value = HtmlHelperTest.GetValueProviderResult(new string[] { @"AttemptedValueBar <"">" }, @"AttemptedValueBar <"">");
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viewData.ModelState["bar"] = modelStateFoo;
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HtmlHelper<FooBarModel> helper = MvcHelper.GetHtmlHelper(viewData);
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// Act & Assert
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Assert.Equal("<{ foo = ViewItemFoo <">, bar = (null) }", helper.ValueForModel("<{0}").ToHtmlString());
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Assert.Equal("<ViewDataFoo <">", helper.Value("foo", "<{0}").ToHtmlString());
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Assert.Equal("<ViewItemFoo <">", helper.ValueFor(m => m.foo, "<{0}").ToHtmlString());
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Assert.Equal("AttemptedValueBar <">", helper.ValueFor(m => m.bar).ToHtmlString());
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}
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private sealed class FooBarModel
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{
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public string foo { get; set; }
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public object bar { get; set; }
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public override string ToString()
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{
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return String.Format("{{ foo = {0}, bar = {1} }}", foo ?? "(null)", bar ?? "(null)");
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}
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}
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private static ViewDataDictionary<FooBarModel> GetValueViewData()
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{
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ViewDataDictionary<FooBarModel> viewData = new ViewDataDictionary<FooBarModel> { { "foo", "ViewDataFoo" } };
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viewData.Model = new FooBarModel { foo = "ViewItemFoo", bar = new DateTime(1900, 1, 1, 0, 0, 0) };
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return viewData;
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}
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}
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}
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