121 lines
4.0 KiB
C#
121 lines
4.0 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.Collections.Generic;
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using System.ComponentModel;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using Microsoft.TestCommon;
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using Xunit;
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using Assert = Microsoft.TestCommon.AssertEx;
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namespace System.Web.Http.Metadata.Providers
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{
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public class DataAnnotationsModelMetadataProviderTest : MarshalByRefObject
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{
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[Fact]
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public void GetMetadataForPropertiesSetTypesAndPropertyNames()
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{
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// Arrange
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var provider = new DataAnnotationsModelMetadataProvider();
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// Act
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IEnumerable<ModelMetadata> result = provider.GetMetadataForProperties("foo", typeof(string));
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// Assert
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Assert.True(result.Any(m => m.ModelType == typeof(int)
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&& m.PropertyName == "Length"
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&& (int)m.Model == 3));
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}
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[Fact]
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public void GetMetadataForPropertySetsTypeAndPropertyName()
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{
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// Arrange
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var provider = new DataAnnotationsModelMetadataProvider();
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// Act
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ModelMetadata result = provider.GetMetadataForProperty(null, typeof(string), "Length");
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// Assert
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Assert.Equal(typeof(int), result.ModelType);
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Assert.Equal("Length", result.PropertyName);
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}
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[Fact]
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public void GetMetadataForTypeSetsTypeWithNullPropertyName()
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{
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// Arrange
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var provider = new DataAnnotationsModelMetadataProvider();
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// Act
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ModelMetadata result = provider.GetMetadataForType(null, typeof(string));
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// Assert
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Assert.Equal(typeof(string), result.ModelType);
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Assert.Null(result.PropertyName);
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}
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// [ReadOnly] & [Editable] tests
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class ReadOnlyModel
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{
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public int NoAttributes { get; set; }
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[ReadOnly(true)]
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public int ReadOnlyAttribute { get; set; }
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[Editable(false)]
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public int EditableAttribute { get; set; }
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[ReadOnly(true)]
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[Editable(true)]
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public int BothAttributes { get; set; }
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// Editable trumps ReadOnly
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}
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[Fact]
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public void ReadOnlyTests()
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{
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// Arrange
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var provider = new DataAnnotationsModelMetadataProvider();
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// Act & Assert
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Assert.False(provider.GetMetadataForProperty(null, typeof(ReadOnlyModel), "NoAttributes").IsReadOnly);
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Assert.True(provider.GetMetadataForProperty(null, typeof(ReadOnlyModel), "ReadOnlyAttribute").IsReadOnly);
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Assert.True(provider.GetMetadataForProperty(null, typeof(ReadOnlyModel), "EditableAttribute").IsReadOnly);
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Assert.False(provider.GetMetadataForProperty(null, typeof(ReadOnlyModel), "BothAttributes").IsReadOnly);
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}
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// [Display] & [DisplayName] tests
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class DisplayModel
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{
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public int NoAttribute { get; set; }
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// Description
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[Display]
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public int DescriptionNotSet { get; set; }
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[Display(Description = "Description text")]
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public int DescriptionSet { get; set; }
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}
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[Fact]
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public void DescriptionTests()
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{
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// Arrange
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var provider = new DataAnnotationsModelMetadataProvider();
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// Act & Assert
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Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "NoAttribute").Description);
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Assert.Null(provider.GetMetadataForProperty(null, typeof(DisplayModel), "DescriptionNotSet").Description);
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Assert.Equal("Description text", provider.GetMetadataForProperty(null, typeof(DisplayModel), "DescriptionSet").Description);
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}
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}
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[RunWith(typeof(PartialTrustRunner))]
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public class CachedDataAnnotationsModelMetadataProviderPartialTrustTest : DataAnnotationsModelMetadataProviderTest { }
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}
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