102 lines
3.7 KiB
C#
102 lines
3.7 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc. 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.IO;
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using System.Reflection;
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using Microsoft.AspNet.Http.Core;
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using Microsoft.AspNet.Mvc.ModelBinding;
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using Microsoft.AspNet.Mvc.Rendering;
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using Microsoft.AspNet.Routing;
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using Microsoft.Framework.DependencyInjection;
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using Microsoft.Framework.DependencyInjection.Fallback;
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using Moq;
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using Xunit;
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namespace Microsoft.AspNet.Mvc
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{
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public class JsonViewComponentResultTest
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{
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[Fact]
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public void Execute_SerializesData_UsingSpecifiedFormatter()
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{
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// Arrange
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var view = Mock.Of<IView>();
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var buffer = new MemoryStream();
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var viewComponentContext = GetViewComponentContext(view, buffer);
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var expectedFormatter = new JsonOutputFormatter();
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var result = new JsonViewComponentResult(1, expectedFormatter);
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// Act
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result.Execute(viewComponentContext);
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buffer.Position = 0;
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// Assert
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Assert.Equal(expectedFormatter, result.Formatter);
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Assert.Equal("1", new StreamReader(buffer).ReadToEnd());
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}
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[Fact]
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public void Execute_FallsbackToServices_WhenNoJsonFormatterIsProvided()
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{
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// Arrange
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var view = Mock.Of<IView>();
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var serviceProvider = new Mock<IServiceProvider>();
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serviceProvider
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.Setup(p => p.GetService(typeof(JsonOutputFormatter)))
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.Returns(new JsonOutputFormatter())
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.Verifiable();
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var buffer = new MemoryStream();
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var result = new JsonViewComponentResult(1);
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var viewComponentContext = GetViewComponentContext(view, buffer);
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viewComponentContext.ViewContext.HttpContext.RequestServices = serviceProvider.Object;
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// Act
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result.Execute(viewComponentContext);
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buffer.Position = 0;
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// Assert
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Assert.Equal("1", new StreamReader(buffer).ReadToEnd());
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serviceProvider.Verify();
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}
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[Fact]
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public void Execute_Throws_IfNoFormatterCanBeResolved()
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{
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// Arrange
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var expected = "No service for type 'Microsoft.AspNet.Mvc.JsonOutputFormatter'" +
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" has been registered.";
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var view = Mock.Of<IView>();
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var serviceProvider = new ServiceCollection().BuildServiceProvider();
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var buffer = new MemoryStream();
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var result = new JsonViewComponentResult(1);
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var viewComponentContext = GetViewComponentContext(view, buffer);
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viewComponentContext.ViewContext.HttpContext.RequestServices = serviceProvider;
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// Act
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var ex = Assert.Throws<InvalidOperationException>(() => result.Execute(viewComponentContext));
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// Assert
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Assert.Equal(expected, ex.Message);
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}
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private static ViewComponentContext GetViewComponentContext(IView view, Stream stream)
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{
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var actionContext = new ActionContext(new RouteContext(new DefaultHttpContext()), new ActionDescriptor());
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var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
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var viewContext = new ViewContext(actionContext, view, viewData, TextWriter.Null);
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var writer = new StreamWriter(stream) { AutoFlush = true };
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var viewComponentContext = new ViewComponentContext(typeof(object).GetTypeInfo(), viewContext, writer);
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return viewComponentContext;
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}
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}
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} |