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Updating unit test to probe _features cache field state

This commit is contained in:
Louis DeJardin 2015-12-17 11:18:44 -08:00
parent 35d71068d4
commit c95d816c1d
1 changed files with 51 additions and 53 deletions
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104
test/Microsoft.AspNet.Http.Tests/DefaultHttpContextTests.cs
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@ -149,7 +149,7 @@ namespace Microsoft.AspNet.Http.Internal
items["foo"] = item;
Assert.Same(item, context.Items["foo"]);
}
[Fact]
public void UpdateFeatures_ClearsCachedFeatures()
{
@ -158,75 +158,73 @@ namespace Microsoft.AspNet.Http.Internal
features.Set<IHttpResponseFeature>(new HttpResponseFeature());
features.Set<IHttpWebSocketFeature>(new TestHttpWebSocketFeature());
// featurecollection is set. all cached interfaces are null.
var context = new DefaultHttpContext(features);
TestAllCachedFeaturesAreNull(context, features);
Assert.Equal(3, features.Count());
// getting feature properties populates feature collection with defaults
TestAllCachedFeaturesAreSet(context, features);
Assert.NotEqual(3, features.Count());
// featurecollection is null. and all cached interfaces are null.
// only top level is tested because child objects are inaccessible.
context.Uninitialize();
TestCachedFeaturesAreNull(context, null);
var newFeatures = new FeatureCollection();
newFeatures.Set<IHttpRequestFeature>(new HttpRequestFeature());
newFeatures.Set<IHttpResponseFeature>(new HttpResponseFeature());
newFeatures.Set<IHttpWebSocketFeature>(new TestHttpWebSocketFeature());
// featurecollection is set to newFeatures. all cached interfaces are null.
context.Initialize(newFeatures);
TestAllCachedFeaturesAreNull(context, newFeatures);
Assert.Equal(3, newFeatures.Count());
// getting feature properties populates new feature collection with defaults
TestAllCachedFeaturesAreSet(context, newFeatures);
Assert.NotEqual(3, newFeatures.Count());
}
void TestAllCachedFeaturesAreNull(HttpContext context, IFeatureCollection features)
{
TestCachedFeaturesAreNull(context, features);
TestCachedFeaturesAreNull(context.Request, features);
TestCachedFeaturesAreNull(context.Response, features);
TestCachedFeaturesAreNull(context.Authentication, features);
TestCachedFeaturesAreNull(context.Connection, features);
TestCachedFeaturesAreNull(context.WebSockets, features);
context.Session = new TestSession();
TestCachedFeaturesAreSet(context, features);
TestCachedFeaturesAreSet(context.Request, features);
TestCachedFeaturesAreSet(context.Response, features);
TestCachedFeaturesAreSet(context.Authentication, features);
TestCachedFeaturesAreSet(context.Connection, features);
TestCachedFeaturesAreSet(context.WebSockets, features);
Assert.NotEqual(3, features.Count());
context.Uninitialize();
var newFeatures = new FeatureCollection();
newFeatures.Set<IHttpRequestFeature>(new HttpRequestFeature());
newFeatures.Set<IHttpResponseFeature>(new HttpResponseFeature());
newFeatures.Set<IHttpWebSocketFeature>(new TestHttpWebSocketFeature());
context.Initialize(newFeatures);
Assert.Equal(3, newFeatures.Count());
TestCachedFeaturesAreNull(context, newFeatures);
TestCachedFeaturesAreNull(context.Request, newFeatures);
TestCachedFeaturesAreNull(context.Response, newFeatures);
TestCachedFeaturesAreNull(context.Authentication, newFeatures);
TestCachedFeaturesAreNull(context.Connection, newFeatures);
TestCachedFeaturesAreNull(context.WebSockets, newFeatures);
context.Session = new TestSession();
TestCachedFeaturesAreSet(context, newFeatures);
TestCachedFeaturesAreSet(context.Request, newFeatures);
TestCachedFeaturesAreSet(context.Response, newFeatures);
TestCachedFeaturesAreSet(context.Authentication, newFeatures);
TestCachedFeaturesAreSet(context.Connection, newFeatures);
TestCachedFeaturesAreSet(context.WebSockets, newFeatures);
Assert.NotEqual(3, newFeatures.Count());
}
void TestCachedFeaturesAreNull(object value, IFeatureCollection features)
{
var type = value.GetType();
var fields = type
var field = type
.GetFields(BindingFlags.NonPublic | BindingFlags.Instance)
.Where(f => f.FieldType.GetTypeInfo().IsInterface);
.Single(f =>
f.FieldType.GetTypeInfo().IsGenericType &&
f.FieldType.GetGenericTypeDefinition() == typeof(FeatureReferences<>));
foreach (var field in fields)
{
if (field.FieldType == typeof(IFeatureCollection))
{
Assert.Same(features, field.GetValue(value));
}
else
{
Assert.Null(field.GetValue(value));
}
}
var boxedExpectedStruct = features == null ?
Activator.CreateInstance(field.FieldType) :
Activator.CreateInstance(field.FieldType, features);
var boxedActualStruct = field.GetValue(value);
Assert.Equal(boxedExpectedStruct, boxedActualStruct);
}
void TestAllCachedFeaturesAreSet(HttpContext context, IFeatureCollection features)
{
TestCachedFeaturesAreSet(context, features);
TestCachedFeaturesAreSet(context.Request, features);
TestCachedFeaturesAreSet(context.Response, features);
TestCachedFeaturesAreSet(context.Authentication, features);
TestCachedFeaturesAreSet(context.Connection, features);
TestCachedFeaturesAreSet(context.WebSockets, features);
}
void TestCachedFeaturesAreSet(object value, IFeatureCollection features)