347 lines
12 KiB
C#
347 lines
12 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.Linq;
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using System.Net.WebSockets;
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using System.Reflection;
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using System.Security.Claims;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http.Features;
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using Xunit;
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namespace Microsoft.AspNetCore.Http
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{
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public class DefaultHttpContextTests
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{
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[Fact]
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public void GetOnSessionProperty_ThrowsOnMissingSessionFeature()
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{
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// Arrange
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var context = new DefaultHttpContext();
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// Act & Assert
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var exception = Assert.Throws<InvalidOperationException>(() => context.Session);
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Assert.Equal("Session has not been configured for this application or request.", exception.Message);
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}
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[Fact]
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public void GetOnSessionProperty_ReturnsAvailableSession()
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{
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// Arrange
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var context = new DefaultHttpContext();
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var session = new TestSession();
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session.Set("key1", null);
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session.Set("key2", null);
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var feature = new BlahSessionFeature();
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feature.Session = session;
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context.Features.Set<ISessionFeature>(feature);
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// Act & Assert
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Assert.Same(session, context.Session);
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context.Session.Set("key3", null);
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Assert.Equal(3, context.Session.Keys.Count());
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}
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[Fact]
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public void AllowsSettingSession_WithoutSettingUpSessionFeature_Upfront()
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{
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// Arrange
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var session = new TestSession();
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var context = new DefaultHttpContext();
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// Act
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context.Session = session;
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// Assert
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Assert.Same(session, context.Session);
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}
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[Fact]
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public void SettingSession_OverridesAvailableSession()
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{
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// Arrange
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var context = new DefaultHttpContext();
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var session = new TestSession();
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session.Set("key1", null);
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session.Set("key2", null);
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var feature = new BlahSessionFeature();
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feature.Session = session;
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context.Features.Set<ISessionFeature>(feature);
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// Act
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context.Session = new TestSession();
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// Assert
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Assert.NotSame(session, context.Session);
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Assert.Empty(context.Session.Keys);
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}
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[Fact]
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public void EmptyUserIsNeverNull()
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{
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var context = new DefaultHttpContext(new FeatureCollection());
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Assert.NotNull(context.User);
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Assert.Equal(1, context.User.Identities.Count());
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Assert.True(object.ReferenceEquals(context.User, context.User));
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Assert.False(context.User.Identity.IsAuthenticated);
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Assert.True(string.IsNullOrEmpty(context.User.Identity.AuthenticationType));
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context.User = null;
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Assert.NotNull(context.User);
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Assert.Equal(1, context.User.Identities.Count());
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Assert.True(object.ReferenceEquals(context.User, context.User));
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Assert.False(context.User.Identity.IsAuthenticated);
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Assert.True(string.IsNullOrEmpty(context.User.Identity.AuthenticationType));
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context.User = new ClaimsPrincipal();
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Assert.NotNull(context.User);
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Assert.Equal(0, context.User.Identities.Count());
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Assert.True(object.ReferenceEquals(context.User, context.User));
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Assert.Null(context.User.Identity);
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context.User = new ClaimsPrincipal(new ClaimsIdentity("SomeAuthType"));
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Assert.Equal("SomeAuthType", context.User.Identity.AuthenticationType);
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Assert.True(context.User.Identity.IsAuthenticated);
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}
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[Fact]
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public void GetItems_DefaultCollectionProvided()
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{
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var context = new DefaultHttpContext(new FeatureCollection());
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Assert.Null(context.Features.Get<IItemsFeature>());
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var items = context.Items;
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Assert.NotNull(context.Features.Get<IItemsFeature>());
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Assert.NotNull(items);
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Assert.Same(items, context.Items);
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var item = new object();
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context.Items["foo"] = item;
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Assert.Same(item, context.Items["foo"]);
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}
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[Fact]
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public void GetItems_DefaultRequestIdentifierAvailable()
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{
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var context = new DefaultHttpContext(new FeatureCollection());
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Assert.Null(context.Features.Get<IHttpRequestIdentifierFeature>());
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var traceIdentifier = context.TraceIdentifier;
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Assert.NotNull(context.Features.Get<IHttpRequestIdentifierFeature>());
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Assert.NotNull(traceIdentifier);
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Assert.Same(traceIdentifier, context.TraceIdentifier);
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context.TraceIdentifier = "Hello";
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Assert.Same("Hello", context.TraceIdentifier);
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}
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[Fact]
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public void SetItems_NewCollectionUsed()
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{
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var context = new DefaultHttpContext(new FeatureCollection());
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Assert.Null(context.Features.Get<IItemsFeature>());
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var items = new Dictionary<object, object>();
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context.Items = items;
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Assert.NotNull(context.Features.Get<IItemsFeature>());
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Assert.Same(items, context.Items);
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var item = new object();
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items["foo"] = item;
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Assert.Same(item, context.Items["foo"]);
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}
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[Fact]
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public void UpdateFeatures_ClearsCachedFeatures()
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{
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var features = new FeatureCollection();
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features.Set<IHttpRequestFeature>(new HttpRequestFeature());
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features.Set<IHttpResponseFeature>(new HttpResponseFeature());
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features.Set<IHttpWebSocketFeature>(new TestHttpWebSocketFeature());
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// featurecollection is set. all cached interfaces are null.
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var context = new DefaultHttpContext(features);
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TestAllCachedFeaturesAreNull(context, features);
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Assert.Equal(3, features.Count());
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// getting feature properties populates feature collection with defaults
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TestAllCachedFeaturesAreSet(context, features);
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Assert.NotEqual(3, features.Count());
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// featurecollection is null. and all cached interfaces are null.
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// only top level is tested because child objects are inaccessible.
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context.Uninitialize();
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TestCachedFeaturesAreNull(context, null);
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var newFeatures = new FeatureCollection();
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newFeatures.Set<IHttpRequestFeature>(new HttpRequestFeature());
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newFeatures.Set<IHttpResponseFeature>(new HttpResponseFeature());
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newFeatures.Set<IHttpWebSocketFeature>(new TestHttpWebSocketFeature());
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// featurecollection is set to newFeatures. all cached interfaces are null.
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context.Initialize(newFeatures);
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TestAllCachedFeaturesAreNull(context, newFeatures);
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Assert.Equal(3, newFeatures.Count());
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// getting feature properties populates new feature collection with defaults
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TestAllCachedFeaturesAreSet(context, newFeatures);
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Assert.NotEqual(3, newFeatures.Count());
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}
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void TestAllCachedFeaturesAreNull(HttpContext context, IFeatureCollection features)
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{
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TestCachedFeaturesAreNull(context, features);
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TestCachedFeaturesAreNull(context.Request, features);
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TestCachedFeaturesAreNull(context.Response, features);
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TestCachedFeaturesAreNull(context.Authentication, features);
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TestCachedFeaturesAreNull(context.Connection, features);
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TestCachedFeaturesAreNull(context.WebSockets, features);
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}
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void TestCachedFeaturesAreNull(object value, IFeatureCollection features)
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{
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var type = value.GetType();
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var field = type
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.GetFields(BindingFlags.NonPublic | BindingFlags.Instance)
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.Single(f =>
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f.FieldType.GetTypeInfo().IsGenericType &&
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f.FieldType.GetGenericTypeDefinition() == typeof(FeatureReferences<>));
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var boxedExpectedStruct = features == null ?
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Activator.CreateInstance(field.FieldType) :
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Activator.CreateInstance(field.FieldType, features);
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var boxedActualStruct = field.GetValue(value);
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Assert.Equal(boxedExpectedStruct, boxedActualStruct);
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}
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void TestAllCachedFeaturesAreSet(HttpContext context, IFeatureCollection features)
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{
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TestCachedFeaturesAreSet(context, features);
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TestCachedFeaturesAreSet(context.Request, features);
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TestCachedFeaturesAreSet(context.Response, features);
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TestCachedFeaturesAreSet(context.Authentication, features);
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TestCachedFeaturesAreSet(context.Connection, features);
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TestCachedFeaturesAreSet(context.WebSockets, features);
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}
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void TestCachedFeaturesAreSet(object value, IFeatureCollection features)
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{
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var type = value.GetType();
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var properties = type
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.GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance)
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.Where(p => p.PropertyType.GetTypeInfo().IsInterface);
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TestFeatureProperties(value, features, properties);
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var fields = type
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.GetFields(BindingFlags.NonPublic | BindingFlags.Instance)
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.Where(f => f.FieldType.GetTypeInfo().IsInterface);
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foreach (var field in fields)
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{
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if (field.FieldType == typeof(IFeatureCollection))
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{
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Assert.Same(features, field.GetValue(value));
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}
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else
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{
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var v = field.GetValue(value);
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Assert.Same(features[field.FieldType], v);
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Assert.NotNull(v);
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}
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}
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}
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private static void TestFeatureProperties(object value, IFeatureCollection features, IEnumerable<PropertyInfo> properties)
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{
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foreach (var property in properties)
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{
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if (property.PropertyType == typeof(IFeatureCollection))
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{
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Assert.Same(features, property.GetValue(value));
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}
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else
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{
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if (property.Name.Contains("Feature"))
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{
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var v = property.GetValue(value);
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Assert.Same(features[property.PropertyType], v);
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Assert.NotNull(v);
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}
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}
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}
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}
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private HttpContext CreateContext()
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{
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var context = new DefaultHttpContext();
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return context;
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}
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private class TestSession : ISession
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{
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private Dictionary<string, byte[]> _store
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= new Dictionary<string, byte[]>(StringComparer.OrdinalIgnoreCase);
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public string Id { get; set; }
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public bool IsAvailable { get; } = true;
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public IEnumerable<string> Keys { get { return _store.Keys; } }
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public void Clear()
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{
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_store.Clear();
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}
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public Task CommitAsync()
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{
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return Task.FromResult(0);
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}
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public Task LoadAsync()
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{
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return Task.FromResult(0);
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}
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public void Remove(string key)
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{
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_store.Remove(key);
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}
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public void Set(string key, byte[] value)
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{
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_store[key] = value;
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}
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public bool TryGetValue(string key, out byte[] value)
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{
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return _store.TryGetValue(key, out value);
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}
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}
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private class BlahSessionFeature : ISessionFeature
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{
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public ISession Session { get; set; }
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}
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private class TestHttpWebSocketFeature : IHttpWebSocketFeature
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{
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public bool IsWebSocketRequest
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{
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get
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{
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throw new NotImplementedException();
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}
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}
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public Task<WebSocket> AcceptAsync(WebSocketAcceptContext context)
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{
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throw new NotImplementedException();
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}
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}
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}
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} |