Improve Test coverage of InfluxLogger

[nonrtric/plt/ranpm.git] / influxlogger / src / test / java / org / oran / pmlog / oauth2 / OAuthKafkaAuthenticateLoginCallbackHandlerTest.java

diff --git a/influxlogger/src/test/java/org/oran/pmlog/oauth2/OAuthKafkaAuthenticateLoginCallbackHandlerTest.java b/influxlogger/src/test/java/org/oran/pmlog/oauth2/OAuthKafkaAuthenticateLoginCallbackHandlerTest.java
new file mode 100644 (file)
index 0000000..ff51ffe
--- /dev/null
+++ b/influxlogger/src/test/java/org/oran/pmlog/oauth2/OAuthKafkaAuthenticateLoginCallbackHandlerTest.java
@@ -0,0 +1,109 @@
+package org.oran.pmlog.oauth2;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+import javax.security.auth.login.AppConfigurationEntry;
+import org.apache.kafka.common.security.auth.SaslExtensionsCallback;
+import org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule;
+import org.apache.kafka.common.security.oauthbearer.OAuthBearerTokenCallback;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+
+class OAuthKafkaAuthenticateLoginCallbackHandlerTest {
+
+    private OAuthKafkaAuthenticateLoginCallbackHandler callbackHandler;
+
+    @BeforeEach
+    void setUp() {
+        callbackHandler = new OAuthKafkaAuthenticateLoginCallbackHandler();
+    }
+
+    @Test
+    void testConfigureWithValidSaslMechanismAndConfigEntry() {
+        String saslMechanism = OAuthBearerLoginModule.OAUTHBEARER_MECHANISM;
+        List<AppConfigurationEntry> jaasConfigEntries = Collections.singletonList(Mockito.mock(AppConfigurationEntry.class));
+
+        callbackHandler.configure(new HashMap<>(), saslMechanism, jaasConfigEntries);
+
+        assertTrue(callbackHandler.isConfigured());
+    }
+
+    @SuppressWarnings("java:S5778")
+    @Test
+    void testConfigureWithInvalidSaslMechanism() {
+        String invalidSaslMechanism = "InvalidMechanism";
+        List<AppConfigurationEntry> jaasConfigEntries = Collections.singletonList(Mockito.mock(AppConfigurationEntry.class));
+
+        assertThrows(IllegalArgumentException.class, () -> callbackHandler.configure(new HashMap<>(), invalidSaslMechanism, jaasConfigEntries));
+
+        assertFalse(callbackHandler.isConfigured());
+    }
+
+    @SuppressWarnings("java:S5778")
+    @Test
+    void testConfigureWithEmptyJaasConfigEntries() {
+        String saslMechanism = OAuthBearerLoginModule.OAUTHBEARER_MECHANISM;
+        List<AppConfigurationEntry> emptyJaasConfigEntries = Collections.emptyList();
+
+        assertThrows(IllegalArgumentException.class, () -> callbackHandler.configure(new HashMap<>(), saslMechanism, emptyJaasConfigEntries));
+
+        assertFalse(callbackHandler.isConfigured());
+    }
+
+    @Test
+    void testHandleSaslExtensionsCallback() throws IOException, UnsupportedCallbackException {
+        String saslMechanism = OAuthBearerLoginModule.OAUTHBEARER_MECHANISM;
+        List<AppConfigurationEntry> jaasConfigEntries = Collections.singletonList(Mockito.mock(AppConfigurationEntry.class));
+
+        callbackHandler.configure(new HashMap<>(), saslMechanism, jaasConfigEntries);
+        SaslExtensionsCallback callback = mock(SaslExtensionsCallback.class);
+
+        callbackHandler.handle(new Callback[]{callback});
+        verify(callback).extensions(any());
+    }
+
+    @Test
+    void testHandleUnsupportedCallback() {
+        Callback unsupportedCallback = mock(Callback.class);
+        String saslMechanism = OAuthBearerLoginModule.OAUTHBEARER_MECHANISM;
+        List<AppConfigurationEntry> jaasConfigEntries = Collections.singletonList(Mockito.mock(AppConfigurationEntry.class));
+
+        callbackHandler.configure(new HashMap<>(), saslMechanism, jaasConfigEntries);
+        assertThrows(UnsupportedCallbackException.class, () -> callbackHandler.handle(new Callback[]{unsupportedCallback}));
+    }
+
+    @Test
+    void testHandleOAuthBearerTokenCallback() throws IOException, UnsupportedCallbackException {
+
+        String saslMechanism = OAuthBearerLoginModule.OAUTHBEARER_MECHANISM;
+        List<AppConfigurationEntry> jaasConfigEntries = Collections.singletonList(Mockito.mock(AppConfigurationEntry.class));
+        String validJwt = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c";
+
+        callbackHandler.configure(new HashMap<>(), saslMechanism, jaasConfigEntries);
+
+        OAuthBearerTokenCallback oauthBearerTokenCallback = Mockito.mock(OAuthBearerTokenCallback.class);
+        SecurityContext securityContextMock = Mockito.mock(SecurityContext.class);
+        when(oauthBearerTokenCallback.token()).thenReturn(null); // Ensure the callback has no token initially
+        when(oauthBearerTokenCallback.token()).thenAnswer(invocation -> {
+            return OAuthBearerTokenJwt.create(validJwt);
+        });
+
+        when(securityContextMock.getBearerAuthToken()).thenReturn(validJwt);
+        callbackHandler.handle(new Callback[]{oauthBearerTokenCallback});
+        verify(oauthBearerTokenCallback).token();
+    }
+}
+