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Fix test instability #2971

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merged 1 commit into from
Aug 9, 2024
Merged

Fix test instability #2971

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27 changes: 21 additions & 6 deletions tests/Microsoft.Identity.Web.Test.Common/Mocks/MockHttpMessageHandler.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,13 +13,14 @@
{
public class MockHttpMessageHandler : HttpMessageHandler
{
public Func<MockHttpMessageHandler, MockHttpMessageHandler> ReplaceMockHttpMessageHandler;

private readonly bool _ignoreInstanceDiscovery;

Check warning on line 18 in tests/Microsoft.Identity.Web.Test.Common/Mocks/MockHttpMessageHandler.cs

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The field 'MockHttpMessageHandler._ignoreInstanceDiscovery' is never used

#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
public MockHttpMessageHandler(bool ignoreInstanceDiscovery = true)
public MockHttpMessageHandler()
#pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
{
_ignoreInstanceDiscovery = ignoreInstanceDiscovery;
}
public HttpResponseMessage ResponseMessage { get; set; }

Expand Down Expand Up @@ -48,6 +49,24 @@

Assert.NotNull(uri);

//Intercept instance discovery requests and serve a response.
//Also, requeue the current mock handler for MSAL's next request.
#if NET6_0_OR_GREATER
if (uri.AbsoluteUri.Contains("/discovery/instance", StringComparison.OrdinalIgnoreCase))
#else
if (uri.AbsoluteUri.Contains("/discovery/instance"))
#endif
{
ReplaceMockHttpMessageHandler?.Invoke(this);

var responseMessage = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new StringContent(TestConstants.DiscoveryJsonResponse),
};

return responseMessage;
}

if (!string.IsNullOrEmpty(ExpectedUrl))
{
Assert.Equal(
Expand All @@ -61,14 +80,10 @@

Assert.Equal(ExpectedMethod, request.Method);




if (request.Method != HttpMethod.Get && request.Content != null)
{
string postData = await request.Content.ReadAsStringAsync();
ActualRequestPostData = QueryStringParser.ParseKeyValueList(postData, '&', true, false);

}

return ResponseMessage;
Expand Down
4 changes: 4 additions & 0 deletions tests/Microsoft.Identity.Web.Test/CacheExtensionsTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -211,6 +211,9 @@ private static async Task<AuthenticationResult> CreateAppAndGetTokenAsync(
if (addTokenMock)
{
mockHttp.AddMockHandler(tokenHandler);

//Enables the mock handler to requeue requests that have been intercepted for instance discovery for example
tokenHandler.ReplaceMockHttpMessageHandler = mockHttp.AddMockHandler;
}

var confidentialApp = ConfidentialClientApplicationBuilder
Expand Down Expand Up @@ -248,6 +251,7 @@ private static async Task<AuthenticationResult> CreateAppAndGetTokenAsync(
var result = await confidentialApp.AcquireTokenForClient(new[] { TestConstants.s_scopeForApp })
.ExecuteAsync().ConfigureAwait(false);

tokenHandler.ReplaceMockHttpMessageHandler = null!;
return result;
}

Expand Down
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