44 lines
1.7 KiB
C#
44 lines
1.7 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 Microsoft.AspNet.Mvc.Internal;
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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 MvcServicesHelperTests
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{
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[Fact]
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public void MvcServicesHelperThrowsIfServiceIsAbsent()
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{
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// Arrange
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var services = new Mock<IServiceProvider>();
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services.Setup(o => o.GetService(typeof(IEnumerable<MvcMarkerService>)))
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.Returns(new List<MvcMarkerService>());
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var expectedMessage = "Unable to find the required services. Please add all the required " +
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"services by calling 'IServiceCollection.AddMvc()' inside the call to 'IApplicationBuilder.ConfigureServices(...)' " +
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"or 'IApplicationBuilder.UseMvc(...)' in the application startup code.";
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// Act & Assert
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var ex = Assert.Throws<InvalidOperationException>(
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() => MvcServicesHelper.ThrowIfMvcNotRegistered(services.Object));
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Assert.Equal(expectedMessage, ex.Message);
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}
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[Fact]
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public void MvcServicesHelperDoesNotThrowIfServiceExists()
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{
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// Arrange
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var services = new Mock<IServiceProvider>();
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var expectedOutput = new MvcMarkerService();
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services.Setup(o => o.GetService(typeof(MvcMarkerService)))
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.Returns(expectedOutput);
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// Act & Assert (does not throw)
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MvcServicesHelper.ThrowIfMvcNotRegistered(services.Object);
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}
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}
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} |