Add test class

oauth2_http/javatests/com/google/auth/oauth2/ExternalAccountSupplierContextTest.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ *    * Neither the name of Google LLC nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.google.auth.oauth2;
+
+import static org.junit.Assert.assertEquals;
+
+import com.google.auth.oauth2.ExternalAccountCredentials.SubjectTokenTypes;
+import org.junit.Test;
+
+public class ExternalAccountSupplierContextTest {
+
+  @Test
+  public void constructor_builder() {
+    String expectedAudience =
+        "//iam.googleapis.com/locations/global/workloadPools/pool/providers/provider";
+    String expectedTokenType = SubjectTokenTypes.JWT.value;
+    ExternalAccountSupplierContext context =
+        ExternalAccountSupplierContext.newBuilder()
+            .setAudience(expectedAudience)
+            .setSubjectTokenType(expectedTokenType)
+            .build();
+
+    assertEquals(expectedAudience, context.getAudience());
+    assertEquals(expectedTokenType, context.getSubjectTokenType());
+  }
+
+  @Test
+  public void constructor_builder_subjectTokenEnum() {
+    String expectedAudience =
+        "//iam.googleapis.com/locations/global/workloadPools/pool/providers/provider";
+    SubjectTokenTypes expectedTokenType = SubjectTokenTypes.JWT;
+    ExternalAccountSupplierContext context =
+        ExternalAccountSupplierContext.newBuilder()
+            .setAudience(expectedAudience)
+            .setSubjectTokenType(expectedTokenType)
+            .build();
+
+    assertEquals(expectedAudience, context.getAudience());
+    assertEquals(expectedTokenType.value, context.getSubjectTokenType());
+  }
+}