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using System;
using System.Threading.Tasks;
using System.Web.Http;
using FluentAssertions;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Newtonsoft.Json;
using JSONAPI.Json;
using System.IO;
using System.Net;
using JSONAPI.Documents;
using JSONAPI.Documents.Builders;
using Moq;
namespace JSONAPI.Tests.Json
{
[TestClass]
public class JsonApiFormatterTests
{
private JsonApiFormatter BuildFormatter(ISingleResourceDocumentFormatter singleResourceDocumentFormatter = null,
IResourceCollectionDocumentFormatter resourceCollectionDocumentFormatter = null,
IErrorDocumentFormatter errorDocumentFormatter = null,
IErrorDocumentBuilder errorDocumentBuilder = null)
{
singleResourceDocumentFormatter = singleResourceDocumentFormatter ?? new Mock<ISingleResourceDocumentFormatter>(MockBehavior.Strict).Object;
resourceCollectionDocumentFormatter = resourceCollectionDocumentFormatter ?? new Mock<IResourceCollectionDocumentFormatter>(MockBehavior.Strict).Object;
errorDocumentFormatter = errorDocumentFormatter ?? new Mock<IErrorDocumentFormatter>(MockBehavior.Strict).Object;
errorDocumentBuilder = errorDocumentBuilder ?? new ErrorDocumentBuilder();
return new JsonApiFormatter(singleResourceDocumentFormatter, resourceCollectionDocumentFormatter, errorDocumentFormatter, errorDocumentBuilder);
}
[TestMethod]
public void Serialize_SingleResourceDocument()
{
// Arrange
var mockSingleResourceDocument = new Mock<ISingleResourceDocument>(MockBehavior.Strict);
var singleResourceDocumentFormatter = new Mock<ISingleResourceDocumentFormatter>(MockBehavior.Strict);
singleResourceDocumentFormatter.Setup(s => s.Serialize(mockSingleResourceDocument.Object, It.IsAny<JsonWriter>()))
.Returns((ISingleResourceDocument p, JsonWriter writer) =>
{
writer.WriteValue("SingleResourceDocument output goes here.");
return Task.FromResult(0);
});
var formatter = BuildFormatter(singleResourceDocumentFormatter.Object);
var stream = new MemoryStream();
// Act
formatter.WriteToStreamAsync(mockSingleResourceDocument.Object.GetType(), mockSingleResourceDocument.Object, stream, null, null).Wait();
// Assert
TestHelpers.StreamContentsMatchFixtureContents(stream, "Json/Fixtures/JsonApiFormatter/Serialize_SingleResourceDocument.json");
}
[TestMethod]
public void Serialize_ResourceCollectionDocument()
{
// Arrange
var mockResourceCollectionDocument = new Mock<IResourceCollectionDocument>(MockBehavior.Strict);
var resourceCollectionDocumentFormatter = new Mock<IResourceCollectionDocumentFormatter>(MockBehavior.Strict);
resourceCollectionDocumentFormatter.Setup(s => s.Serialize(mockResourceCollectionDocument.Object, It.IsAny<JsonWriter>()))
.Returns((IResourceCollectionDocument p, JsonWriter writer) =>
{
writer.WriteValue("ResourceCollectionDocument output goes here.");
return Task.FromResult(0);
});
var formatter = BuildFormatter(resourceCollectionDocumentFormatter: resourceCollectionDocumentFormatter.Object);
var stream = new MemoryStream();
// Act
formatter.WriteToStreamAsync(mockResourceCollectionDocument.Object.GetType(), mockResourceCollectionDocument.Object, stream, null, null).Wait();
// Assert
TestHelpers.StreamContentsMatchFixtureContents(stream, "Json/Fixtures/JsonApiFormatter/Serialize_ResourceCollectionDocument.json");
}
[TestMethod]
public void Serialize_ErrorDocument()
{
// Arrange
var errorDocument = new Mock<IErrorDocument>(MockBehavior.Strict);
var errorDocumentFormatter = new Mock<IErrorDocumentFormatter>(MockBehavior.Strict);
errorDocumentFormatter.Setup(s => s.Serialize(errorDocument.Object, It.IsAny<JsonWriter>()))
.Returns((IErrorDocument p, JsonWriter writer) =>
{
writer.WriteValue("ErrorDocument output goes here.");
return Task.FromResult(0);
});
var formatter = BuildFormatter(errorDocumentFormatter: errorDocumentFormatter.Object);
var stream = new MemoryStream();
// Act
formatter.WriteToStreamAsync(errorDocument.Object.GetType(), errorDocument.Object, stream, null, null).Wait();
// Assert
TestHelpers.StreamContentsMatchFixtureContents(stream, "Json/Fixtures/JsonApiFormatter/Serialize_ErrorDocument.json");
}
[TestMethod]
public void Serialize_HttpError()
{
// Arrange
var httpError = new HttpError(new Exception("This is the exception message"), true);
var mockErrorDocumentBuilder = new Mock<IErrorDocumentBuilder>(MockBehavior.Strict);
var mockErrorDocument = new Mock<IErrorDocument>(MockBehavior.Strict);
mockErrorDocumentBuilder.Setup(b => b.BuildFromHttpError(httpError, HttpStatusCode.InternalServerError))
.Returns(mockErrorDocument.Object);
var mockErrorDocumentFormatter = new Mock<IErrorDocumentFormatter>(MockBehavior.Strict);
mockErrorDocumentFormatter.Setup(s => s.Serialize(mockErrorDocument.Object, It.IsAny<JsonWriter>()))
.Returns((IErrorDocument errorDocument, JsonWriter writer) =>
{
writer.WriteValue("HttpError document");
return Task.FromResult(0);
});
var stream = new MemoryStream();
// Act
var formatter = BuildFormatter(errorDocumentBuilder: mockErrorDocumentBuilder.Object, errorDocumentFormatter: mockErrorDocumentFormatter.Object);
formatter.WriteToStreamAsync(httpError.GetType(), httpError, stream, null, null).Wait();
// Assert
TestHelpers.StreamContentsMatchFixtureContents(stream, "Json/Fixtures/JsonApiFormatter/Serialize_HttpError.json");
}
private class Color
{
public string Id { get; set; }
public string Name { get; set; }
}
[TestMethod]
public void Writes_error_for_anything_else()
{
// Arrange
var formatter = BuildFormatter();
var stream = new MemoryStream();
// Act
var resource = new Color { Id = "1", Name = "Blue" };
formatter.WriteToStreamAsync(resource.GetType(), resource, stream, null, null).Wait();
// Assert
TestHelpers.StreamContentsMatchFixtureContents(stream, "Json/Fixtures/JsonApiFormatter/Writes_error_for_anything_else.json");
}
[TestMethod]
public void ReadFromStreamAsync_deserializes_ISingleResourceDocument()
{
// Arrange
var mockSingleResourceDocument = new Mock<ISingleResourceDocument>(MockBehavior.Strict);
var singleResourceDocumentFormatter = new Mock<ISingleResourceDocumentFormatter>(MockBehavior.Strict);
singleResourceDocumentFormatter.Setup(s => s.Deserialize(It.IsAny<JsonReader>(), ""))
.Returns(Task.FromResult(mockSingleResourceDocument.Object));
var formatter = BuildFormatter(singleResourceDocumentFormatter.Object);
var stream = new MemoryStream();
// Act
var deserialized = formatter.ReadFromStreamAsync(typeof(ISingleResourceDocument), stream, null, null).Result;
// Assert
deserialized.Should().BeSameAs(mockSingleResourceDocument.Object);
}
[TestMethod]
public void ReadFromStreamAsync_deserializes_IResourceCollectionDocument()
{
// Arrange
var mockResourceCollectionDocument = new Mock<IResourceCollectionDocument>(MockBehavior.Strict);
var resourceCollectionDocumentFormatter = new Mock<IResourceCollectionDocumentFormatter>(MockBehavior.Strict);
resourceCollectionDocumentFormatter.Setup(s => s.Deserialize(It.IsAny<JsonReader>(), ""))
.Returns(Task.FromResult(mockResourceCollectionDocument.Object));
var formatter = BuildFormatter(resourceCollectionDocumentFormatter: resourceCollectionDocumentFormatter.Object);
var stream = new MemoryStream();
// Act
var deserialized = formatter.ReadFromStreamAsync(typeof(IResourceCollectionDocument), stream, null, null).Result;
// Assert
deserialized.Should().BeSameAs(mockResourceCollectionDocument.Object);
}
}
}