476 lines
20 KiB
C#
476 lines
20 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml;
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using System.Xml.Serialization;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc.ModelBinding;
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using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
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using Microsoft.AspNetCore.Testing;
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using Microsoft.AspNetCore.Testing.xunit;
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using Moq;
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using Xunit;
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namespace Microsoft.AspNetCore.Mvc.Formatters.Xml
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{
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public class XmlSerializerInputFormatterTest
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{
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public class DummyClass
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{
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public int SampleInt { get; set; }
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}
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public class TestLevelOne
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{
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public int SampleInt { get; set; }
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public string sampleString;
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public DateTime SampleDate { get; set; }
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}
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public class TestLevelTwo
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{
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public string SampleString { get; set; }
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public TestLevelOne TestOne { get; set; }
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}
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[Theory]
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[InlineData("application/xml", true)]
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[InlineData("application/*", false)]
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[InlineData("*/*", false)]
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[InlineData("text/xml", true)]
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[InlineData("text/*", false)]
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[InlineData("text/json", false)]
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[InlineData("application/json", false)]
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[InlineData("application/some.entity+xml", true)]
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[InlineData("application/some.entity+xml;v=2", true)]
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[InlineData("application/some.entity+json", false)]
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[InlineData("application/some.entity+*", false)]
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[InlineData("text/some.entity+json", false)]
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[InlineData("", false)]
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[InlineData("invalid", false)]
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[InlineData(null, false)]
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public void CanRead_ReturnsTrueForAnySupportedContentType(string requestContentType, bool expectedCanRead)
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{
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// Arrange
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var formatter = new XmlSerializerInputFormatter();
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var contentBytes = Encoding.UTF8.GetBytes("content");
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var modelState = new ModelStateDictionary();
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var httpContext = GetHttpContext(contentBytes, contentType: requestContentType);
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var provider = new EmptyModelMetadataProvider();
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var metadata = provider.GetMetadataForType(typeof(string));
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var formatterContext = new InputFormatterContext(
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httpContext,
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modelName: string.Empty,
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modelState: modelState,
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metadata: metadata,
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readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
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// Act
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var result = formatter.CanRead(formatterContext);
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// Assert
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Assert.Equal(expectedCanRead, result);
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}
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[Theory]
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[InlineData(typeof(Dictionary<string, object>), false)]
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[InlineData(typeof(string), true)]
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public void CanRead_ReturnsFalse_ForAnyUnsupportedModelType(Type modelType, bool expectedCanRead)
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{
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// Arrange
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var formatter = new XmlSerializerInputFormatter();
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var contentBytes = Encoding.UTF8.GetBytes("content");
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var context = GetInputFormatterContext(contentBytes, modelType);
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// Act
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var result = formatter.CanRead(context);
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// Assert
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Assert.Equal(expectedCanRead, result);
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}
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[Fact]
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public void XmlSerializer_CachesSerializerForType()
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{
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// Arrange
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var input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
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"<DummyClass><SampleInt>10</SampleInt></DummyClass>";
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var formatter = new TestXmlSerializerInputFormatter();
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var contentBytes = Encoding.UTF8.GetBytes(input);
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var context = GetInputFormatterContext(contentBytes, typeof(DummyClass));
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// Act
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formatter.CanRead(context);
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formatter.CanRead(context);
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// Assert
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Assert.Equal(1, formatter.createSerializerCalledCount);
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}
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[Fact]
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public void HasProperSuppportedMediaTypes()
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{
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// Arrange & Act
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var formatter = new XmlSerializerInputFormatter();
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// Assert
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Assert.True(formatter.SupportedMediaTypes
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.Select(content => content.ToString())
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.Contains("application/xml"));
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Assert.True(formatter.SupportedMediaTypes
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.Select(content => content.ToString())
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.Contains("text/xml"));
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}
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[Fact]
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public void HasProperSuppportedEncodings()
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{
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// Arrange & Act
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var formatter = new XmlSerializerInputFormatter();
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// Assert
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Assert.True(formatter.SupportedEncodings.Any(i => i.WebName == "utf-8"));
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Assert.True(formatter.SupportedEncodings.Any(i => i.WebName == "utf-16"));
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}
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[Fact]
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public async Task ReadAsync_ReadsSimpleTypes()
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{
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// Arrange
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var expectedInt = 10;
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var expectedString = "TestString";
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var expectedDateTime = XmlConvert.ToString(DateTime.UtcNow, XmlDateTimeSerializationMode.Utc);
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var input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
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"<TestLevelOne><SampleInt>" + expectedInt + "</SampleInt>" +
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"<sampleString>" + expectedString + "</sampleString>" +
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"<SampleDate>" + expectedDateTime + "</SampleDate></TestLevelOne>";
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var formatter = new XmlSerializerInputFormatter();
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var contentBytes = Encoding.UTF8.GetBytes(input);
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var context = GetInputFormatterContext(contentBytes, typeof(TestLevelOne));
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// Act
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var result = await formatter.ReadAsync(context);
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// Assert
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Assert.NotNull(result);
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Assert.False(result.HasError);
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var model = Assert.IsType<TestLevelOne>(result.Model);
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Assert.Equal(expectedInt, model.SampleInt);
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Assert.Equal(expectedString, model.sampleString);
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Assert.Equal(
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XmlConvert.ToDateTime(expectedDateTime, XmlDateTimeSerializationMode.Utc),
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model.SampleDate);
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}
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[Fact]
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public async Task ReadAsync_ReadsComplexTypes()
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{
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// Arrange
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var expectedInt = 10;
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var expectedString = "TestString";
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var expectedDateTime = XmlConvert.ToString(DateTime.UtcNow, XmlDateTimeSerializationMode.Utc);
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var expectedLevelTwoString = "102";
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var input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
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"<TestLevelTwo><SampleString>" + expectedLevelTwoString + "</SampleString>" +
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"<TestOne><SampleInt>" + expectedInt + "</SampleInt>" +
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"<sampleString>" + expectedString + "</sampleString>" +
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"<SampleDate>" + expectedDateTime + "</SampleDate></TestOne></TestLevelTwo>";
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var formatter = new XmlSerializerInputFormatter();
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var contentBytes = Encoding.UTF8.GetBytes(input);
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var context = GetInputFormatterContext(contentBytes, typeof(TestLevelTwo));
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// Act
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var result = await formatter.ReadAsync(context);
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// Assert
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Assert.NotNull(result);
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Assert.False(result.HasError);
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var model = Assert.IsType<TestLevelTwo>(result.Model);
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Assert.Equal(expectedLevelTwoString, model.SampleString);
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Assert.Equal(expectedInt, model.TestOne.SampleInt);
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Assert.Equal(expectedString, model.TestOne.sampleString);
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Assert.Equal(
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XmlConvert.ToDateTime(expectedDateTime, XmlDateTimeSerializationMode.Utc),
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model.TestOne.SampleDate);
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}
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[Fact]
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public async Task ReadAsync_ReadsWhenMaxDepthIsModified()
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{
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// Arrange
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var expectedInt = 10;
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var input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
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"<DummyClass><SampleInt>" + expectedInt + "</SampleInt></DummyClass>";
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var formatter = new XmlSerializerInputFormatter();
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formatter.MaxDepth = 10;
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var contentBytes = Encoding.UTF8.GetBytes(input);
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var context = GetInputFormatterContext(contentBytes, typeof(DummyClass));
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// Act
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var result = await formatter.ReadAsync(context);
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// Assert
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Assert.NotNull(result);
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Assert.False(result.HasError);
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var model = Assert.IsType<DummyClass>(result.Model);
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Assert.Equal(expectedInt, model.SampleInt);
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}
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[ConditionalFact]
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// ReaderQuotas are not honored on Mono
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[FrameworkSkipCondition(RuntimeFrameworks.Mono)]
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public async Task ReadAsync_ThrowsOnExceededMaxDepth()
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{
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// Arrange
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var input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
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"<TestLevelTwo><SampleString>test</SampleString>" +
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"<TestOne><SampleInt>10</SampleInt>" +
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"<sampleString>test</sampleString>" +
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"<SampleDate>" + XmlConvert.ToString(DateTime.UtcNow, XmlDateTimeSerializationMode.Utc)
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+ "</SampleDate></TestOne></TestLevelTwo>";
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var formatter = new XmlSerializerInputFormatter();
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formatter.MaxDepth = 1;
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var contentBytes = Encoding.UTF8.GetBytes(input);
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var context = GetInputFormatterContext(contentBytes, typeof(TestLevelTwo));
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// Act & Assert
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await Assert.ThrowsAsync(typeof(InvalidOperationException), () => formatter.ReadAsync(context));
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}
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[ConditionalFact]
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// ReaderQuotas are not honored on Mono
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[FrameworkSkipCondition(RuntimeFrameworks.Mono)]
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public async Task ReadAsync_ThrowsWhenReaderQuotasAreChanged()
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{
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// Arrange
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var input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
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"<TestLevelTwo><SampleString>test</SampleString>" +
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"<TestOne><SampleInt>10</SampleInt>" +
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"<sampleString>test</sampleString>" +
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"<SampleDate>" + XmlConvert.ToString(DateTime.UtcNow, XmlDateTimeSerializationMode.Utc)
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+ "</SampleDate></TestOne></TestLevelTwo>";
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var formatter = new XmlSerializerInputFormatter();
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formatter.XmlDictionaryReaderQuotas.MaxStringContentLength = 10;
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var contentBytes = Encoding.UTF8.GetBytes(input);
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var context = GetInputFormatterContext(contentBytes, typeof(TestLevelTwo));
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// Act & Assert
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await Assert.ThrowsAsync(typeof(InvalidOperationException), () => formatter.ReadAsync(context));
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}
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[Fact]
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public void SetMaxDepth_ThrowsWhenMaxDepthIsBelowOne()
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{
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// Arrange
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var formatter = new XmlSerializerInputFormatter();
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// Act & Assert
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Assert.Throws(typeof(ArgumentException), () => formatter.MaxDepth = 0);
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}
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[Fact]
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public async Task ReadAsync_VerifyStreamIsOpenAfterRead()
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{
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// Arrange
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var input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
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"<DummyClass><SampleInt>10</SampleInt></DummyClass>";
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var formatter = new XmlSerializerInputFormatter();
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var contentBytes = Encoding.UTF8.GetBytes(input);
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var context = GetInputFormatterContext(contentBytes, typeof(DummyClass));
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// Act
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var result = await formatter.ReadAsync(context);
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// Assert
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Assert.NotNull(result);
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Assert.False(result.HasError);
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Assert.NotNull(result.Model);
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Assert.True(context.HttpContext.Request.Body.CanRead);
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}
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[ReplaceCulture]
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[Fact]
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public async Task ReadAsync_FallsbackToUTF8_WhenCharSet_NotInContentType()
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{
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// Arrange
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var expectedException = typeof(XmlException);
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var expectedMessage = "The expected encoding 'utf-8' does not match the actual encoding 'utf-16LE'.";
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var inpStart = Encoding.Unicode.GetBytes("<?xml version=\"1.0\" encoding=\"UTF-16\"?>" +
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"<DummyClass><SampleInt>");
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byte[] inp = { 192, 193 };
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var inpEnd = Encoding.Unicode.GetBytes("</SampleInt></DummyClass>");
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var contentBytes = new byte[inpStart.Length + inp.Length + inpEnd.Length];
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Buffer.BlockCopy(inpStart, 0, contentBytes, 0, inpStart.Length);
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Buffer.BlockCopy(inp, 0, contentBytes, inpStart.Length, inp.Length);
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Buffer.BlockCopy(inpEnd, 0, contentBytes, inpStart.Length + inp.Length, inpEnd.Length);
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var formatter = new XmlSerializerInputFormatter();
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var context = GetInputFormatterContext(contentBytes, typeof(TestLevelTwo));
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// Act and Assert
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var ex = await Assert.ThrowsAsync(expectedException, () => formatter.ReadAsync(context));
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Assert.Equal(expectedMessage, ex.Message);
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}
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[Fact]
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[ReplaceCulture]
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public async Task ReadAsync_UsesContentTypeCharSet_ToReadStream()
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{
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// Arrange
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var expectedException = typeof(XmlException);
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var expectedMessage = "The expected encoding 'utf-16LE' does not match the actual encoding 'utf-8'.";
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var inputBytes = Encoding.UTF8.GetBytes("<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
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"<DummyClass><SampleInt>1000</SampleInt></DummyClass>");
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var formatter = new XmlSerializerInputFormatter();
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var modelState = new ModelStateDictionary();
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var httpContext = GetHttpContext(inputBytes, contentType: "application/xml; charset=utf-16");
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var provider = new EmptyModelMetadataProvider();
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var metadata = provider.GetMetadataForType(typeof(TestLevelOne));
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var context = new InputFormatterContext(
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httpContext,
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modelName: string.Empty,
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modelState: modelState,
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metadata: metadata,
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readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
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// Act and Assert
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var ex = await Assert.ThrowsAsync(expectedException, () => formatter.ReadAsync(context));
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Assert.Equal(expectedMessage, ex.Message);
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}
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[Fact]
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public async Task ReadAsync_IgnoresBOMCharacters()
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{
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// Arrange
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var sampleString = "Test";
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var sampleStringBytes = Encoding.UTF8.GetBytes(sampleString);
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var inputStart = Encoding.UTF8.GetBytes("<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + Environment.NewLine +
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"<TestLevelTwo><SampleString>" + sampleString);
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byte[] bom = { 0xef, 0xbb, 0xbf };
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var inputEnd = Encoding.UTF8.GetBytes("</SampleString></TestLevelTwo>");
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var expectedBytes = new byte[sampleString.Length + bom.Length];
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var contentBytes = new byte[inputStart.Length + bom.Length + inputEnd.Length];
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Buffer.BlockCopy(inputStart, 0, contentBytes, 0, inputStart.Length);
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Buffer.BlockCopy(bom, 0, contentBytes, inputStart.Length, bom.Length);
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Buffer.BlockCopy(inputEnd, 0, contentBytes, inputStart.Length + bom.Length, inputEnd.Length);
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var formatter = new XmlSerializerInputFormatter();
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var context = GetInputFormatterContext(contentBytes, typeof(TestLevelTwo));
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// Act
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var result = await formatter.ReadAsync(context);
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// Assert
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Assert.NotNull(result);
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Assert.False(result.HasError);
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var model = Assert.IsType<TestLevelTwo>(result.Model);
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Buffer.BlockCopy(sampleStringBytes, 0, expectedBytes, 0, sampleStringBytes.Length);
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Buffer.BlockCopy(bom, 0, expectedBytes, sampleStringBytes.Length, bom.Length);
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Assert.Equal(expectedBytes, Encoding.UTF8.GetBytes(model.SampleString));
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}
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[Fact]
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public async Task ReadAsync_AcceptsUTF16Characters()
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{
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// Arrange
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var expectedInt = 10;
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var expectedString = "TestString";
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var expectedDateTime = XmlConvert.ToString(DateTime.UtcNow, XmlDateTimeSerializationMode.Utc);
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var input = "<?xml version=\"1.0\" encoding=\"UTF-16\"?>" +
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"<TestLevelOne><SampleInt>" + expectedInt + "</SampleInt>" +
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"<sampleString>" + expectedString + "</sampleString>" +
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"<SampleDate>" + expectedDateTime + "</SampleDate></TestLevelOne>";
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var formatter = new XmlSerializerInputFormatter();
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var contentBytes = Encoding.Unicode.GetBytes(input);
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var modelState = new ModelStateDictionary();
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var httpContext = GetHttpContext(contentBytes, contentType: "application/xml; charset=utf-16");
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var provider = new EmptyModelMetadataProvider();
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var metadata = provider.GetMetadataForType(typeof(TestLevelOne));
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var context = new InputFormatterContext(
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httpContext,
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modelName: string.Empty,
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modelState: modelState,
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metadata: metadata,
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readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
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// Act
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var result = await formatter.ReadAsync(context);
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// Assert
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Assert.NotNull(result);
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Assert.False(result.HasError);
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var model = Assert.IsType<TestLevelOne>(result.Model);
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Assert.Equal(expectedInt, model.SampleInt);
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Assert.Equal(expectedString, model.sampleString);
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Assert.Equal(XmlConvert.ToDateTime(expectedDateTime, XmlDateTimeSerializationMode.Utc), model.SampleDate);
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}
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private InputFormatterContext GetInputFormatterContext(byte[] contentBytes, Type modelType)
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{
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var httpContext = GetHttpContext(contentBytes);
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var provider = new EmptyModelMetadataProvider();
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var metadata = provider.GetMetadataForType(modelType);
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return new InputFormatterContext(
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httpContext,
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modelName: string.Empty,
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modelState: new ModelStateDictionary(),
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metadata: metadata,
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readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
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}
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private static HttpContext GetHttpContext(
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byte[] contentBytes,
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string contentType = "application/xml")
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{
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var request = new Mock<HttpRequest>();
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var headers = new Mock<IHeaderDictionary>();
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request.SetupGet(r => r.Headers).Returns(headers.Object);
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request.SetupGet(f => f.Body).Returns(new MemoryStream(contentBytes));
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request.SetupGet(f => f.ContentType).Returns(contentType);
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var httpContext = new Mock<HttpContext>();
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httpContext.SetupGet(c => c.Request).Returns(request.Object);
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httpContext.SetupGet(c => c.Request).Returns(request.Object);
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return httpContext.Object;
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}
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private class TestXmlSerializerInputFormatter : XmlSerializerInputFormatter
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{
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public int createSerializerCalledCount = 0;
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protected override XmlSerializer CreateSerializer(Type type)
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{
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createSerializerCalledCount++;
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return base.CreateSerializer(type);
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}
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}
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}
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}
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