chore: Add X-Goog-Api-Client metric header to outgoing requests (#430)

jonathanedey · web-flow · commit b6cf20a448e1 · 2024-11-07T15:09:10.000-05:00
* chore: Add `X-Goog-Api-Client` metric header to outgoing requests

* fix styling

* fix typo

* fix typo

* trigger integration tests
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/HttpPublicKeySourceTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/HttpPublicKeySourceTest.cs
@@ -44,6 +44,8 @@ public async Task GetPublicKeysWithoutCaching()
             Assert.Equal(2, keys.Count);
             Assert.Equal(2, handler.Calls);
             Assert.NotSame(keys, keys2);
+            JwtTestUtils.AssertRequest(handler.Requests[0]);
+            JwtTestUtils.AssertRequest(handler.Requests[1]);
         }
 
         [Fact]
@@ -77,6 +79,8 @@ public async Task GetPublicKeysWithCaching()
             Assert.Equal(2, keys.Count);
             Assert.Equal(2, handler.Calls);
             Assert.NotSame(keys, keys3);
+            JwtTestUtils.AssertRequest(handler.Requests[0]);
+            JwtTestUtils.AssertRequest(handler.Requests[1]);
         }
 
         [Fact]
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/IAMSignerTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/IAMSignerTest.cs
@@ -57,6 +57,7 @@ public async Task Signer()
             Assert.Equal(Convert.ToBase64String(data), req.BytesToSign);
             Assert.Equal(2, handler.Calls);
             Assert.Equal("Bearer token", handler.LastRequestHeaders.Authorization?.ToString());
+            JwtTestUtils.AssertRequest(handler.Requests[1]);
         }
 
         [Fact]
@@ -112,6 +113,7 @@ public async Task Signer()
                 handler.LastRequestBody);
             Assert.Equal(Convert.ToBase64String(data), req.BytesToSign);
             Assert.Equal(1, handler.Calls);
+            JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));
         }
 
         [Fact]
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/IdTokenVerificationTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/IdTokenVerificationTest.cs
@@ -434,6 +434,7 @@ public async Task RevokedToken(TestConfig config)
             this.CheckException(exception, expectedMessage, AuthErrorCode.RevokedIdToken);
             Assert.Equal(1, handler.Calls);
             config.AssertRevocationCheckRequest(handler.Requests[0].Url);
+            JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));
         }
 
         [Theory]
@@ -458,6 +459,7 @@ public async Task ValidUnrevokedToken(TestConfig config)
             Assert.Equal("testuser", decoded.Uid);
             Assert.Equal(1, handler.Calls);
             config.AssertRevocationCheckRequest(handler.Requests[0].Url);
+            JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));
         }
 
         [Theory]
@@ -484,6 +486,7 @@ public async Task CheckRevokedError(TestConfig config)
             Assert.NotNull(exception.HttpResponse);
             Assert.Equal(1, handler.Calls);
             config.AssertRevocationCheckRequest(handler.Requests[0].Url);
+            JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));
         }
 
         [Theory]
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/JwtTestUtils.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/JwtTestUtils.cs
@@ -100,6 +100,11 @@ public static void AssertRevocationCheckRequest(string tenantId, string emulator
             Assert.Equal(expectedUrl, uri.ToString());
         }
 
+        internal static void AssertRequest(MockMessageHandler.IncomingRequest request)
+        {
+            Assert.Contains(HttpUtils.GetMetricsHeader(), request.Headers.GetValues("X-Goog-Api-Client"));
+        }
+
         private static ISigner CreateTestSigner(string filePath)
         {
             var credential = GoogleCredential.FromFile(filePath);
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/SessionCookieVerificationTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Jwt/SessionCookieVerificationTest.cs
@@ -331,6 +331,7 @@ public async Task RevokedToken(TestConfig config)
             this.CheckException(exception, expectedMessage, AuthErrorCode.RevokedSessionCookie);
             Assert.Equal(1, handler.Calls);
             JwtTestUtils.AssertRevocationCheckRequest(null, handler.Requests[0].Url);
+            JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));
         }
 
         [Theory]
@@ -355,6 +356,7 @@ public async Task ValidUnrevokedToken(TestConfig config)
             Assert.Equal("testuser", decoded.Uid);
             Assert.Equal(1, handler.Calls);
             JwtTestUtils.AssertRevocationCheckRequest(null, handler.Requests[0].Url);
+            JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));
         }
 
         [Theory]
@@ -381,6 +383,7 @@ public async Task CheckRevokedError(TestConfig config)
             Assert.NotNull(exception.HttpResponse);
             Assert.Equal(1, handler.Calls);
             JwtTestUtils.AssertRevocationCheckRequest(null, handler.Requests[0].Url);
+            JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));
         }
 
         private void CheckException(
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Multitenancy/TenantManagerTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Multitenancy/TenantManagerTest.cs
@@ -690,6 +690,7 @@ internal void AssertRequest(
                 }
 
                 Assert.Contains(ClientVersion, request.Headers.GetValues("X-Client-Version"));
+                Assert.Contains(HttpUtils.GetMetricsHeader(), request.Headers.GetValues("X-Goog-Api-Client"));
             }
         }
 
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Providers/ProviderTestConfig.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Providers/ProviderTestConfig.cs
@@ -109,6 +109,7 @@ internal void AssertRequest(
             var expectedPath = $"/v2/projects/{MockProjectId}{tenantInfo}/{expectedSuffix}";
             Assert.Equal(expectedPath, request.Url.PathAndQuery);
             Assert.Contains(ClientVersion, request.Headers.GetValues("X-Client-Version"));
+            Assert.Contains(HttpUtils.GetMetricsHeader(), request.Headers.GetValues("X-Goog-Api-Client"));
         }
 
         public class InvalidListOptions : IEnumerable<object[]>
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Users/EmailActionRequestTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Users/EmailActionRequestTest.cs
@@ -372,6 +372,7 @@ private void AssertRequest(MockMessageHandler.IncomingRequest message)
             Assert.Equal(
                 FirebaseUserManager.ClientVersion,
                 message.Headers.GetValues(FirebaseUserManager.ClientVersionHeader).First());
+            Assert.Equal(HttpUtils.GetMetricsHeader(), message.Headers.GetValues("X-Goog-Api-Client").First());
         }
     }
 }
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Users/FirebaseUserManagerTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Auth/Users/FirebaseUserManagerTest.cs
@@ -2222,6 +2222,8 @@ internal void AssertRequest(
                     var expectedUrl = $"https://{IdToolkitUrl}{tenant}/{expectedSuffix}";
                     Assert.Equal(expectedUrl, request.Url.ToString());
                 }
+
+                Assert.Equal(HttpUtils.GetMetricsHeader(), request.Headers.GetValues("X-Goog-Api-Client").First());
             }
 
             private IDictionary<string, object> GetUserResponseDictionary(string response = null)
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/CountingMessageHandler.cs b/FirebaseAdmin/FirebaseAdmin.Tests/CountingMessageHandler.cs
@@ -41,4 +41,4 @@ protected sealed override Task<HttpResponseMessage> SendAsync(
         protected abstract Task<HttpResponseMessage> DoSendAsync(
             HttpRequestMessage request, int count, CancellationToken cancellationToken);
     }
-}
+}
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj b/FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj
@@ -28,6 +28,7 @@
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
+    <AdditionalFiles Include="../../stylecop.json" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\FirebaseAdmin\FirebaseAdmin.csproj" />
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Messaging/FirebaseMessagingClientTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Messaging/FirebaseMessagingClientTest.cs
@@ -173,6 +173,7 @@ public async Task SendEachAsync()
             Assert.Equal("projects/fir-adminintegrationtests/messages/8580920590356323124", response.Responses[0].MessageId);
             Assert.Equal("projects/fir-adminintegrationtests/messages/5903525881088369386", response.Responses[1].MessageId);
             Assert.Equal(2, handler.Calls);
+            this.CheckHeaders(handler.LastRequestHeaders);
         }
 
         [Fact]
@@ -245,6 +246,7 @@ public async Task SendEachAsyncWithError()
             Assert.NotNull(exception.HttpResponse);
 
             Assert.Equal(2, handler.Calls);
+            this.CheckHeaders(handler.LastRequestHeaders);
         }
 
         [Fact]
@@ -311,6 +313,7 @@ public async Task SendEachAsyncWithErrorNoDetail()
             Assert.NotNull(exception.HttpResponse);
 
             Assert.Equal(2, handler.Calls);
+            this.CheckHeaders(handler.LastRequestHeaders);
         }
 
         [Fact]
@@ -404,6 +407,7 @@ public async Task SendAllAsync()
             Assert.Equal("fire-admin-dotnet", userAgent.Product.Name);
             Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, VersionHeader));
             Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, ApiFormatHeader));
+            Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, $"X-Goog-Api-Client: {HttpUtils.GetMetricsHeader()}"));
         }
 
         [Fact]
@@ -486,6 +490,7 @@ public async Task SendAllAsyncWithError()
             Assert.Equal(1, handler.Calls);
             Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, VersionHeader));
             Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, ApiFormatHeader));
+            Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, $"X-Goog-Api-Client: {HttpUtils.GetMetricsHeader()}"));
         }
 
         [Fact]
@@ -564,6 +569,7 @@ public async Task SendAllAsyncWithErrorNoDetail()
             Assert.Equal(1, handler.Calls);
             Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, VersionHeader));
             Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, ApiFormatHeader));
+            Assert.Equal(2, this.CountLinesWithPrefix(handler.LastRequestBody, $"X-Goog-Api-Client: {HttpUtils.GetMetricsHeader()}"));
         }
 
         [Fact]
@@ -778,6 +784,9 @@ private void CheckHeaders(HttpRequestHeaders header)
 
             var apiFormatHeader = header.GetValues("X-GOOG-API-FORMAT-VERSION").First();
             Assert.Equal("2", apiFormatHeader);
+
+            var metricsHeader = header.GetValues("X-Goog-Api-Client").First();
+            Assert.Equal(HttpUtils.GetMetricsHeader(), metricsHeader);
         }
 
         private int CountLinesWithPrefix(string body, string linePrefix)
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/MockHttpClientFactory.cs b/FirebaseAdmin/FirebaseAdmin.Tests/MockHttpClientFactory.cs
@@ -31,4 +31,4 @@ protected override HttpMessageHandler CreateHandler(CreateHttpClientArgs args)
             return this.handler;
         }
     }
-}
+}
diff --git a/FirebaseAdmin/FirebaseAdmin.Tests/Util/ErrorHandlingHttpClientTest.cs b/FirebaseAdmin/FirebaseAdmin.Tests/Util/ErrorHandlingHttpClientTest.cs
@@ -47,6 +47,7 @@ public async Task SuccessfulRequest()
             Assert.Single(response.Result);
             Assert.Equal("bar", response.Result["foo"]);
             Assert.Equal(1, handler.Calls);
+            Assert.Equal(HttpUtils.GetMetricsHeader(), handler.LastRequestHeaders.GetValues("X-Goog-Api-Client").First());
         }
 
         [Fact]
@@ -69,6 +70,7 @@ public async Task SuccessfulAuthorizedRequest()
             Assert.Single(response.Result);
             Assert.Equal("bar", response.Result["foo"]);
             Assert.Equal(1, handler.Calls);
+            Assert.Equal(HttpUtils.GetMetricsHeader(), handler.LastRequestHeaders.GetValues("X-Goog-Api-Client").First());
             Assert.Equal(
                 "Bearer test-token",
                 handler.LastRequestHeaders.GetValues("Authorization").First());
@@ -166,6 +168,7 @@ public async Task CustomDeserializer()
             Assert.Equal("bar", response.Result["foo"]);
             Assert.Equal(1, handler.Calls);
             Assert.Equal(1, deserializer.Count);
+            Assert.Equal(HttpUtils.GetMetricsHeader(), handler.LastRequestHeaders.GetValues("X-Goog-Api-Client").First());
         }
 
         [Fact]
@@ -244,6 +247,7 @@ public async Task RetryOnErrorResponse()
             Assert.Null(exception.InnerException);
             Assert.NotNull(exception.HttpResponse);
             Assert.Equal(5, handler.Calls);
+            Assert.Equal(HttpUtils.GetMetricsHeader(), handler.LastRequestHeaders.GetValues("X-Goog-Api-Client").First());
         }
 
         [Fact]
@@ -267,6 +271,7 @@ public async Task RetryOnNetworkError()
             Assert.Same(handler.Exception, exception.InnerException);
             Assert.Null(exception.HttpResponse);
             Assert.Equal(5, handler.Calls);
+            Assert.Equal(HttpUtils.GetMetricsHeader(), handler.LastRequestHeaders.GetValues("X-Goog-Api-Client").First());
         }
 
         [Fact]
diff --git a/FirebaseAdmin/FirebaseAdmin/Messaging/FirebaseMessagingClient.cs b/FirebaseAdmin/FirebaseAdmin/Messaging/FirebaseMessagingClient.cs
@@ -404,6 +404,7 @@ public FCMClientServiceRequest(FCMClientService clientService, string restPath,
                 this.ModifyRequest = (request) =>
                 {
                     AddCommonHeaders(request);
+                    request.Headers.Add("X-Goog-Api-Client", HttpUtils.GetMetricsHeader());
                 };
                 this.InitParameters();
             }
diff --git a/FirebaseAdmin/FirebaseAdmin/Messaging/InstanceIdClient.cs b/FirebaseAdmin/FirebaseAdmin/Messaging/InstanceIdClient.cs
@@ -126,6 +126,7 @@ private async Task<TopicManagementResponse> SendInstanceIdRequest(
             };
 
             request.Headers.Add("access_token_auth", "true");
+            request.Headers.Add("X-Goog-Api-Client", HttpUtils.GetMetricsHeader());
 
             var response = await this.httpClient
                 .SendAndDeserializeAsync<InstanceIdServiceResponse>(request)
diff --git a/FirebaseAdmin/FirebaseAdmin/Util/ErrorHandlingHttpClient.cs b/FirebaseAdmin/FirebaseAdmin/Util/ErrorHandlingHttpClient.cs
@@ -59,6 +59,7 @@ public void Dispose()
         internal async Task<DeserializedResponseInfo<TResult>> SendAndDeserializeAsync<TResult>(
             HttpRequestMessage request, CancellationToken cancellationToken = default)
         {
+            request.Headers.Add("X-Goog-Api-Client", HttpUtils.GetMetricsHeader());
             var info = await this.SendAndReadAsync(request, cancellationToken)
                 .ConfigureAwait(false);
             try
diff --git a/FirebaseAdmin/FirebaseAdmin/Util/HttpUtils.cs b/FirebaseAdmin/FirebaseAdmin/Util/HttpUtils.cs
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Net.Http;
@@ -51,6 +52,11 @@ internal static IList<string> CreateUpdateMask(object request)
             return mask;
         }
 
+        internal static string GetMetricsHeader()
+        {
+            return $"gl-dotnet/{Environment.Version} fire-admin/{FirebaseApp.GetSdkVersion()}";
+        }
+
         private static List<string> CreateUpdateMask(JObject dictionary)
         {
             var mask = new List<string>();

Original file line number	Diff line number	Diff line change
`@@ -57,6 +57,7 @@ public async Task Signer()`
`57`	`57`	`Assert.Equal(Convert.ToBase64String(data), req.BytesToSign);`
`58`	`58`	`Assert.Equal(2, handler.Calls);`
`59`	`59`	`Assert.Equal("Bearer token", handler.LastRequestHeaders.Authorization?.ToString());`
	`60`	`+ JwtTestUtils.AssertRequest(handler.Requests[1]);`
`60`	`61`	`}`
`61`	`62`
`62`	`63`	`[Fact]`
`@@ -112,6 +113,7 @@ public async Task Signer()`
`112`	`113`	`handler.LastRequestBody);`
`113`	`114`	`Assert.Equal(Convert.ToBase64String(data), req.BytesToSign);`
`114`	`115`	`Assert.Equal(1, handler.Calls);`
	`116`	`+ JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));`
`115`	`117`	`}`
`116`	`118`
`117`	`119`	`[Fact]`
Original file line number	Diff line number	Diff line change
`@@ -434,6 +434,7 @@ public async Task RevokedToken(TestConfig config)`
`434`	`434`	`this.CheckException(exception, expectedMessage, AuthErrorCode.RevokedIdToken);`
`435`	`435`	`Assert.Equal(1, handler.Calls);`
`436`	`436`	`config.AssertRevocationCheckRequest(handler.Requests[0].Url);`
	`437`	`+ JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));`
`437`	`438`	`}`
`438`	`439`
`439`	`440`	`[Theory]`
`@@ -458,6 +459,7 @@ public async Task ValidUnrevokedToken(TestConfig config)`
`458`	`459`	`Assert.Equal("testuser", decoded.Uid);`
`459`	`460`	`Assert.Equal(1, handler.Calls);`
`460`	`461`	`config.AssertRevocationCheckRequest(handler.Requests[0].Url);`
	`462`	`+ JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));`
`461`	`463`	`}`
`462`	`464`
`463`	`465`	`[Theory]`
`@@ -484,6 +486,7 @@ public async Task CheckRevokedError(TestConfig config)`
`484`	`486`	`Assert.NotNull(exception.HttpResponse);`
`485`	`487`	`Assert.Equal(1, handler.Calls);`
`486`	`488`	`config.AssertRevocationCheckRequest(handler.Requests[0].Url);`
	`489`	`+ JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));`
`487`	`490`	`}`
`488`	`491`
`489`	`492`	`[Theory]`
Original file line number	Diff line number	Diff line change
`@@ -100,6 +100,11 @@ public static void AssertRevocationCheckRequest(string tenantId, string emulator`
`100`	`100`	`Assert.Equal(expectedUrl, uri.ToString());`
`101`	`101`	`}`
`102`	`102`
	`103`	`+ internal static void AssertRequest(MockMessageHandler.IncomingRequest request)`
	`104`	`+ {`
	`105`	`+ Assert.Contains(HttpUtils.GetMetricsHeader(), request.Headers.GetValues("X-Goog-Api-Client"));`
	`106`	`+ }`
	`107`	`+`
`103`	`108`	`private static ISigner CreateTestSigner(string filePath)`
`104`	`109`	`{`
`105`	`110`	`var credential = GoogleCredential.FromFile(filePath);`
Original file line number	Diff line number	Diff line change
`@@ -331,6 +331,7 @@ public async Task RevokedToken(TestConfig config)`
`331`	`331`	`this.CheckException(exception, expectedMessage, AuthErrorCode.RevokedSessionCookie);`
`332`	`332`	`Assert.Equal(1, handler.Calls);`
`333`	`333`	`JwtTestUtils.AssertRevocationCheckRequest(null, handler.Requests[0].Url);`
	`334`	`+ JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));`
`334`	`335`	`}`
`335`	`336`
`336`	`337`	`[Theory]`
`@@ -355,6 +356,7 @@ public async Task ValidUnrevokedToken(TestConfig config)`
`355`	`356`	`Assert.Equal("testuser", decoded.Uid);`
`356`	`357`	`Assert.Equal(1, handler.Calls);`
`357`	`358`	`JwtTestUtils.AssertRevocationCheckRequest(null, handler.Requests[0].Url);`
	`359`	`+ JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));`
`358`	`360`	`}`
`359`	`361`
`360`	`362`	`[Theory]`
`@@ -381,6 +383,7 @@ public async Task CheckRevokedError(TestConfig config)`
`381`	`383`	`Assert.NotNull(exception.HttpResponse);`
`382`	`384`	`Assert.Equal(1, handler.Calls);`
`383`	`385`	`JwtTestUtils.AssertRevocationCheckRequest(null, handler.Requests[0].Url);`
	`386`	`+ JwtTestUtils.AssertRequest(Assert.Single(handler.Requests));`
`384`	`387`	`}`
`385`	`388`
`386`	`389`	`private void CheckException(`
Original file line number	Diff line number	Diff line change
`@@ -690,6 +690,7 @@ internal void AssertRequest(`
`690`	`690`	`}`
`691`	`691`
`692`	`692`	`Assert.Contains(ClientVersion, request.Headers.GetValues("X-Client-Version"));`
	`693`	`+ Assert.Contains(HttpUtils.GetMetricsHeader(), request.Headers.GetValues("X-Goog-Api-Client"));`
`693`	`694`	`}`
`694`	`695`	`}`
`695`	`696`
Original file line number	Diff line number	Diff line change
`@@ -109,6 +109,7 @@ internal void AssertRequest(`
`109`	`109`	`var expectedPath = $"/v2/projects/{MockProjectId}{tenantInfo}/{expectedSuffix}";`
`110`	`110`	`Assert.Equal(expectedPath, request.Url.PathAndQuery);`
`111`	`111`	`Assert.Contains(ClientVersion, request.Headers.GetValues("X-Client-Version"));`
	`112`	`+ Assert.Contains(HttpUtils.GetMetricsHeader(), request.Headers.GetValues("X-Goog-Api-Client"));`
`112`	`113`	`}`
`113`	`114`
`114`	`115`	`public class InvalidListOptions : IEnumerable<object[]>`
Original file line number	Diff line number	Diff line change
`@@ -372,6 +372,7 @@ private void AssertRequest(MockMessageHandler.IncomingRequest message)`
`372`	`372`	`Assert.Equal(`
`373`	`373`	`FirebaseUserManager.ClientVersion,`
`374`	`374`	`message.Headers.GetValues(FirebaseUserManager.ClientVersionHeader).First());`
	`375`	`+ Assert.Equal(HttpUtils.GetMetricsHeader(), message.Headers.GetValues("X-Goog-Api-Client").First());`
`375`	`376`	`}`
`376`	`377`	`}`
`377`	`378`	`}`
Original file line number	Diff line number	Diff line change
`@@ -2222,6 +2222,8 @@ internal void AssertRequest(`
`2222`	`2222`	`var expectedUrl = $"https://{IdToolkitUrl}{tenant}/{expectedSuffix}";`
`2223`	`2223`	`Assert.Equal(expectedUrl, request.Url.ToString());`
`2224`	`2224`	`}`
	`2225`	`+`
	`2226`	`+ Assert.Equal(HttpUtils.GetMetricsHeader(), request.Headers.GetValues("X-Goog-Api-Client").First());`
`2225`	`2227`	`}`
`2226`	`2228`
`2227`	`2229`	`private IDictionary<string, object> GetUserResponseDictionary(string response = null)`
Original file line number	Diff line number	Diff line change
`@@ -41,4 +41,4 @@ protected sealed override Task<HttpResponseMessage> SendAsync(`
`41`	`41`	`protected abstract Task<HttpResponseMessage> DoSendAsync(`
`42`	`42`	`HttpRequestMessage request, int count, CancellationToken cancellationToken);`
`43`	`43`	`}`
`44`		`-}`
	`44`	`+}`