100 lines
4.2 KiB
C#
100 lines
4.2 KiB
C#
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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Dynamic;
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using System.IO;
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using System.Web.WebPages.Instrumentation;
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using Xunit;
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namespace System.Web.WebPages.Test.Instrumentation
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{
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public class InstrumentationServiceTest
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{
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[Fact]
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public void BeginContextDelegatesToRegisteredListeners()
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{
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// Arrange
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dynamic listener1 = CreateListener();
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dynamic listener2 = CreateListener();
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InstrumentationService inst = CreateInstrumentationService(listener1, listener2);
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TextWriter mockWriter = new StringWriter();
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// Act
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inst.BeginContext(null, "Foo.cshtml", mockWriter, 42, 24, isLiteral: false);
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// Assert
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Assert.Equal(1, listener1.BeginContextCalls.Count);
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Assert.Equal(0, listener1.EndContextCalls.Count);
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Assert.Equal(1, listener2.BeginContextCalls.Count);
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Assert.Equal(0, listener2.EndContextCalls.Count);
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AssertContext("Foo.cshtml", mockWriter, 42, 24, false, listener1.BeginContextCalls[0]);
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AssertContext("Foo.cshtml", mockWriter, 42, 24, false, listener2.BeginContextCalls[0]);
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}
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[Fact]
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public void EndContextDelegatesToRegisteredListeners()
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{
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// Arrange
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dynamic listener1 = CreateListener();
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dynamic listener2 = CreateListener();
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InstrumentationService inst = CreateInstrumentationService(listener1, listener2);
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TextWriter mockWriter = new StringWriter();
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// Act
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inst.EndContext(null, "Foo.cshtml", mockWriter, 42, 24, isLiteral: false);
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// Assert
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Assert.Equal(1, listener1.EndContextCalls.Count);
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Assert.Equal(0, listener1.BeginContextCalls.Count);
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Assert.Equal(1, listener2.EndContextCalls.Count);
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Assert.Equal(0, listener2.BeginContextCalls.Count);
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AssertContext("Foo.cshtml", mockWriter, 42, 24, false, listener1.EndContextCalls[0]);
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AssertContext("Foo.cshtml", mockWriter, 42, 24, false, listener2.EndContextCalls[0]);
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}
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private void AssertContext(string virtualPath, TextWriter writer, int startPosition, int length, bool isLiteral, dynamic context)
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{
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PageExecutionContextAdapter ctx = new PageExecutionContextAdapter(context);
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Assert.Equal(virtualPath, ctx.VirtualPath);
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Assert.Same(writer, ctx.TextWriter);
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Assert.Equal(startPosition, ctx.StartPosition);
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Assert.Equal(length, ctx.Length);
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Assert.Equal(isLiteral, ctx.IsLiteral);
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}
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private InstrumentationService CreateInstrumentationService(params dynamic[] listeners)
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{
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dynamic service = new ExpandoObject();
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service.ExecutionListeners = new List<dynamic>(listeners);
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InstrumentationService inst = new InstrumentationService();
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inst.IsAvailable = true;
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inst.ExtractInstrumentationService = _ => new PageInstrumentationServiceAdapter(service);
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inst.CreateContext = CreateExpandoContext;
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return inst;
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}
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private dynamic CreateListener()
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{
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dynamic listener = new ExpandoObject();
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listener.BeginContextCalls = new List<dynamic>();
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listener.EndContextCalls = new List<dynamic>();
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listener.BeginContext = (Action<dynamic>)(d => { listener.BeginContextCalls.Add(d); });
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listener.EndContext = (Action<dynamic>)(d => { listener.EndContextCalls.Add(d); });
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return listener;
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}
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private PageExecutionContextAdapter CreateExpandoContext(string virtualPath, TextWriter writer, int startPosition, int length, bool isLiteral)
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{
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dynamic ctx = new ExpandoObject();
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ctx.VirtualPath = virtualPath;
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ctx.TextWriter = writer;
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ctx.StartPosition = startPosition;
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ctx.Length = length;
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ctx.IsLiteral = isLiteral;
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return new PageExecutionContextAdapter(ctx);
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}
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}
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}
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