/wine-mono-0.0.4/mono/external/aspnetwebstack/test/System.Net.Http.Formatting.Test.Unit/HttpContentExtensionsTest.cs
C# | 230 lines | 187 code | 42 blank | 1 comment | 0 complexity | b34a7bdbc4937a873454fa3d3a3fb028 MD5 | raw file
Possible License(s): LGPL-2.1, GPL-2.0, Unlicense, BSD-3-Clause, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, ISC, Apache-2.0, LGPL-2.0
- // Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
- using System.Collections.Generic;
- using System.IO;
- using System.Linq;
- using System.Net.Http.Formatting;
- using System.Net.Http.Headers;
- using System.Threading.Tasks;
- using Moq;
- using Xunit;
- using Assert = Microsoft.TestCommon.AssertEx;
- namespace System.Net.Http
- {
- public class HttpContentExtensionsTest
- {
- private static readonly IEnumerable<MediaTypeFormatter> _emptyFormatterList = Enumerable.Empty<MediaTypeFormatter>();
- private readonly Mock<MediaTypeFormatter> _formatterMock = new Mock<MediaTypeFormatter> { CallBase = true };
- private readonly MediaTypeHeaderValue _mediaType = new MediaTypeHeaderValue("foo/bar");
- private readonly MediaTypeFormatter[] _formatters;
- public HttpContentExtensionsTest()
- {
- _formatterMock.Object.SupportedMediaTypes.Add(_mediaType);
- _formatters = new[] { _formatterMock.Object };
- }
- [Fact]
- public void ReadAsAsync_WhenContentParameterIsNull_Throws()
- {
- Assert.ThrowsArgumentNull(() => HttpContentExtensions.ReadAsAsync(null, typeof(string), _emptyFormatterList), "content");
- }
- [Fact]
- public void ReadAsAsync_WhenTypeParameterIsNull_Throws()
- {
- Assert.ThrowsArgumentNull(() => HttpContentExtensions.ReadAsAsync(new StringContent(""), null, _emptyFormatterList), "type");
- }
- [Fact]
- public void ReadAsAsync_WhenFormattersParameterIsNull_Throws()
- {
- Assert.ThrowsArgumentNull(() => HttpContentExtensions.ReadAsAsync(new StringContent(""), typeof(string), null), "formatters");
- }
- [Fact]
- public void ReadAsAsyncOfT_WhenContentParameterIsNull_Throws()
- {
- Assert.ThrowsArgumentNull(() => HttpContentExtensions.ReadAsAsync<string>(null, _emptyFormatterList), "content");
- }
- [Fact]
- public void ReadAsAsyncOfT_WhenFormattersParameterIsNull_Throws()
- {
- Assert.ThrowsArgumentNull(() => HttpContentExtensions.ReadAsAsync<string>(new StringContent(""), null), "formatters");
- }
- [Fact]
- public void ReadAsAsyncOfT_WhenContentIsObjectContent_GoesThroughSerializationCycleToConvertTypes()
- {
- var content = new ObjectContent<int[]>(new int[] { 10, 20, 30, 40 }, new JsonMediaTypeFormatter());
- byte[] result = content.ReadAsAsync<byte[]>().Result;
- Assert.Equal(new byte[] { 10, 20, 30, 40 }, result);
- }
- [Fact]
- public void ReadAsAsyncOfT_WhenNoMatchingFormatterFound_Throws()
- {
- var content = new StringContent("{}");
- content.Headers.ContentType = _mediaType;
- content.Headers.ContentType.CharSet = "utf-16";
- var formatters = new MediaTypeFormatter[] { new JsonMediaTypeFormatter() };
- Assert.Throws<InvalidOperationException>(() => content.ReadAsAsync<List<string>>(formatters),
- "No MediaTypeFormatter is available to read an object of type 'List`1' from content with media type 'foo/bar'.");
- }
- [Fact]
- public void ReadAsAsyncOfT_WhenNoMatchingFormatterFoundForContentWithNoMediaType_Throws()
- {
- var content = new StringContent("{}");
- content.Headers.ContentType = null;
- var formatters = new MediaTypeFormatter[] { new JsonMediaTypeFormatter() };
- Assert.Throws<InvalidOperationException>(() => content.ReadAsAsync<List<string>>(formatters),
- "No MediaTypeFormatter is available to read an object of type 'List`1' from content with media type ''undefined''.");
- }
- [Fact]
- public void ReadAsAsyncOfT_ReadsFromContent_ThenInvokesFormattersReadFromStreamMethod()
- {
- Stream contentStream = null;
- string value = "42";
- var contentMock = new Mock<TestableHttpContent> { CallBase = true };
- contentMock.Setup(c => c.SerializeToStreamAsyncPublic(It.IsAny<Stream>(), It.IsAny<TransportContext>()))
- .Returns(TaskHelpers.Completed)
- .Callback((Stream s, TransportContext _) => contentStream = s)
- .Verifiable();
- HttpContent content = contentMock.Object;
- content.Headers.ContentType = _mediaType;
- _formatterMock
- .Setup(f => f.ReadFromStreamAsync(typeof(string), It.IsAny<Stream>(), It.IsAny<HttpContentHeaders>(), It.IsAny<IFormatterLogger>()))
- .Returns(TaskHelpers.FromResult<object>(value));
- _formatterMock.Setup(f => f.CanReadType(typeof(string))).Returns(true);
- var result = content.ReadAsAsync<string>(_formatters);
- var resultValue = result.Result;
- Assert.Same(value, resultValue);
- contentMock.Verify();
- _formatterMock.Verify(f => f.ReadFromStreamAsync(typeof(string), contentStream, content.Headers, null), Times.Once());
- }
- [Fact]
- public void ReadAsAsyncOfT_InvokesFormatterEvenIfContentLengthIsZero()
- {
- var content = new StringContent("");
- _formatterMock.Setup(f => f.CanReadType(typeof(string))).Returns(true);
- _formatterMock.Object.SupportedMediaTypes.Add(content.Headers.ContentType);
- var result = content.ReadAsAsync<string>(_formatters);
- result.WaitUntilCompleted();
- _formatterMock.Verify(f => f.ReadFromStreamAsync(typeof(string), It.IsAny<Stream>(), content.Headers, It.IsAny<IFormatterLogger>()), Times.Once());
- }
- [Fact]
- public void ReadAsAsync_WhenContentIsObjectContentAndValueIsCompatibleType_ReadsValueFromObjectContent()
- {
- _formatterMock.Setup(f => f.CanWriteType(typeof(TestClass))).Returns(true);
- var value = new TestClass();
- var content = new ObjectContent<TestClass>(value, _formatterMock.Object);
- Assert.Same(value, content.ReadAsAsync<object>(_formatters).Result);
- Assert.Same(value, content.ReadAsAsync<TestClass>(_formatters).Result);
- Assert.Same(value, content.ReadAsAsync(typeof(object), _formatters).Result);
- Assert.Same(value, content.ReadAsAsync(typeof(TestClass), _formatters).Result);
- _formatterMock.Verify(f => f.ReadFromStreamAsync(It.IsAny<Type>(), It.IsAny<Stream>(), content.Headers, It.IsAny<IFormatterLogger>()), Times.Never());
- }
- [Fact]
- public void ReadAsAsync_WhenContentIsObjectContentAndValueIsNull_IfTypeIsNullable_SerializesAndDeserializesValue()
- {
- _formatterMock.Setup(f => f.CanWriteType(typeof(object))).Returns(true);
- _formatterMock.Setup(f => f.CanReadType(It.IsAny<Type>())).Returns(true);
- var content = new ObjectContent<object>(null, _formatterMock.Object);
- SetupUpRoundTripSerialization(type => null);
- Assert.Null(content.ReadAsAsync<object>(_formatters).Result);
- Assert.Null(content.ReadAsAsync<TestClass>(_formatters).Result);
- Assert.Null(content.ReadAsAsync<Nullable<int>>(_formatters).Result);
- Assert.Null(content.ReadAsAsync(typeof(object), _formatters).Result);
- Assert.Null(content.ReadAsAsync(typeof(TestClass), _formatters).Result);
- Assert.Null(content.ReadAsAsync(typeof(Nullable<int>), _formatters).Result);
- _formatterMock.Verify(f => f.ReadFromStreamAsync(It.IsAny<Type>(), It.IsAny<Stream>(), content.Headers, It.IsAny<IFormatterLogger>()), Times.Exactly(6));
- }
- [Fact]
- public void ReadAsAsync_WhenContentIsObjectContentAndValueIsNull_IfTypeIsNotNullable_SerializesAndDeserializesValue()
- {
- _formatterMock.Setup(f => f.CanWriteType(typeof(object))).Returns(true);
- _formatterMock.Setup(f => f.CanReadType(typeof(Int32))).Returns(true);
- var content = new ObjectContent<object>(null, _formatterMock.Object, _mediaType.MediaType);
- SetupUpRoundTripSerialization();
- Assert.IsType<Int32>(content.ReadAsAsync<Int32>(_formatters).Result);
- Assert.IsType<Int32>(content.ReadAsAsync(typeof(Int32), _formatters).Result);
- _formatterMock.Verify(f => f.ReadFromStreamAsync(It.IsAny<Type>(), It.IsAny<Stream>(), content.Headers, It.IsAny<IFormatterLogger>()), Times.Exactly(2));
- }
- [Fact]
- public void ReadAsAsync_WhenContentIsObjectContentAndValueIsNotCompatibleType_SerializesAndDeserializesValue()
- {
- _formatterMock.Setup(f => f.CanWriteType(typeof(TestClass))).Returns(true);
- _formatterMock.Setup(f => f.CanReadType(typeof(string))).Returns(true);
- var value = new TestClass();
- var content = new ObjectContent<TestClass>(value, _formatterMock.Object, _mediaType.MediaType);
- SetupUpRoundTripSerialization(type => new TestClass());
- Assert.Throws<InvalidCastException>(() => content.ReadAsAsync<string>(_formatters).RethrowFaultedTaskException());
- Assert.IsNotType<string>(content.ReadAsAsync(typeof(string), _formatters).Result);
- _formatterMock.Verify(f => f.ReadFromStreamAsync(It.IsAny<Type>(), It.IsAny<Stream>(), content.Headers, It.IsAny<IFormatterLogger>()), Times.Exactly(2));
- }
- private void SetupUpRoundTripSerialization(Func<Type, object> factory = null)
- {
- factory = factory ?? Activator.CreateInstance;
- _formatterMock.Setup(f => f.WriteToStreamAsync(It.IsAny<Type>(), It.IsAny<object>(), It.IsAny<Stream>(), It.IsAny<HttpContentHeaders>(), It.IsAny<TransportContext>()))
- .Returns(TaskHelpers.Completed());
- _formatterMock.Setup(f => f.ReadFromStreamAsync(It.IsAny<Type>(), It.IsAny<Stream>(), It.IsAny<HttpContentHeaders>(), It.IsAny<IFormatterLogger>()))
- .Returns<Type, Stream, HttpContentHeaders, IFormatterLogger>((type, stream, headers, logger) => TaskHelpers.FromResult<object>(factory(type)));
- }
- public class TestClass { }
- public abstract class TestableHttpContent : HttpContent
- {
- protected override Task<Stream> CreateContentReadStreamAsync()
- {
- return CreateContentReadStreamAsyncPublic();
- }
- public virtual Task<Stream> CreateContentReadStreamAsyncPublic()
- {
- return base.CreateContentReadStreamAsync();
- }
- protected override Task SerializeToStreamAsync(Stream stream, TransportContext context)
- {
- return SerializeToStreamAsyncPublic(stream, context);
- }
- public abstract Task SerializeToStreamAsyncPublic(Stream stream, TransportContext context);
- protected override bool TryComputeLength(out long length)
- {
- return TryComputeLengthPublic(out length);
- }
- public abstract bool TryComputeLengthPublic(out long length);
- }
- }
- }