Added tests for CommunicationTokenCredential

sdk/communication/azure-communication-common/src/test/java/com/azure/communication/common/CommunicationTokenCrendentialTests.java

@@ -0,0 +1,53 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+package com.azure.communication.common;
+
+import com.azure.communication.common.implementation.JwtTokenMocker;
+import com.azure.core.credential.AccessToken;
+import com.azure.core.credential.TokenRequestContext;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+
+public class CommunicationTokenCrendentialTests {
+    private final JwtTokenMocker tokenMocker = new JwtTokenMocker();
+
+    public TokenRequestContext mockTokenRequestContext() {
+        String scope = "the scope value";
+        List<String> scopes = new ArrayList<>();
+        scopes.add(scope);
+        TokenRequestContext tokenRequestContext = new TokenRequestContext().setScopes(scopes);
+        return tokenRequestContext;
+    }
+    @Test
+    public void constructWithValidTokenWithoutFresher() throws InterruptedException, ExecutionException, IOException {
+        String tokenStr = tokenMocker.generateRawToken("resourceId", "userIdentity", 3 * 60);
+        CommunicationUserCredential userCredential = new CommunicationUserCredential(tokenStr);
+        CommunicationTokenCredential tokenCredential = new CommunicationTokenCredential(userCredential);
+
+        AccessToken token = tokenCredential.getToken(mockTokenRequestContext()).block();
+        assertFalse(token.isExpired(),
+                "Statically cached AccessToken should not expire when expiry is set to 3 minutes later");
+        assertEquals(tokenStr, token.getToken());
+        userCredential.close();
+    }
+
+    @Test
+    public void constructWithExpiredTokenWithoutRefresher() throws InterruptedException, ExecutionException, IOException {
+        String tokenStr = tokenMocker.generateRawToken("resourceId", "userIdentity", -3 * 60);
+        CommunicationUserCredential userCredential = new CommunicationUserCredential(tokenStr);
+        CommunicationTokenCredential tokenCredential = new CommunicationTokenCredential(userCredential);
+        AccessToken token = tokenCredential.getToken(mockTokenRequestContext()).block();
+        assertTrue(token.isExpired(),
+                "Statically cached AccessToken should expire when expiry is set to 3 minutes before");
+        userCredential.close();
+    }
+}