Add more unit tests for the directory reader api.

Use assertj to improve assertions in tests.

pom.xml

@@ -64,6 +64,12 @@
             <version>5.10.1</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.24.2</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-testing</artifactId>

src/test/java/DirectoryClientTest.java

@@ -1,4 +1,5 @@
 import com.aserto.ChannelBuilder;
+import com.aserto.directory.common.v3.ObjectDependency;
 import com.aserto.directory.v3.DirectoryClient;
 import com.aserto.directory.common.v3.Object;
 import com.aserto.directory.common.v3.ObjectIdentifier;
@@ -13,12 +14,13 @@
 
 import javax.net.ssl.SSLException;
 
+import java.util.Arrays;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.*;
 
 @Tag("IntegrationTest")
 @ExtendWith({IntegrationTestsExtenion.class})
@@ -140,4 +142,99 @@ void testGetRelations() {
         // Assert
         assertEquals(10, getRelationsResponse.getResultsList().size());
     }
+
+    @Test
+    @Tag("IntegrationTest")
+    void testCheckRelationAdmin() {
+        // Arrange & Act
+        CheckRelationResponse checkRelationResponse = directoryClient.checkRelation(
+                "group",
+                "admin",
+                "member",
+                "user",
+                "[email protected]");
+
+        // Assert
+        assertTrue(checkRelationResponse.getCheck());
+    }
+
+    @Test
+    @Tag("IntegrationTest")
+    void testCheckRelationViewer() {
+        // Arrange & Act
+        CheckRelationResponse checkRelationResponse = directoryClient.checkRelation(
+                "group",
+                "viewer",
+                "member",
+                "user",
+                "[email protected]");
+
+        // Assert
+        assertFalse(checkRelationResponse.getCheck());
+    }
+
+    @Test
+    @Tag("IntegrationTest")
+    void testCheckAdmin() {
+        // Arrange & Act
+        CheckResponse checkResponse = directoryClient.check(
+                "group",
+                "admin",
+                "member",
+                "user",
+                "[email protected]");
+
+        // Assert
+        assertTrue(checkResponse.getCheck());
+    }
+
+    @Test
+    @Tag("IntegrationTest")
+    void testGetGraph() {
+        // Arrange
+        GetGraphRequest getGraphRequest = GetGraphRequest.newBuilder()
+                .setAnchorType("user")
+                .setAnchorId("[email protected]")
+                .setObjectType("user")
+                .setObjectId("[email protected]")
+                .build();
+
+        List<ObjectDependency> objectDependencyList = Arrays.asList(
+                ObjectDependency.newBuilder()
+                        .setObjectType("user")
+                        .setObjectId("[email protected]")
+                        .setRelation("manager")
+                        .setSubjectType("user")
+                        .setSubjectId("[email protected]")
+                        .build(),
+                ObjectDependency.newBuilder()
+                        .setObjectType("user")
+                        .setObjectId("[email protected]")
+                        .setRelation("manager")
+                        .setSubjectType("user")
+                        .setSubjectId("[email protected]")
+                        .build(),
+                ObjectDependency.newBuilder()
+                        .setObjectType("user")
+                        .setObjectId("[email protected]")
+                        .setRelation("manager")
+                        .setSubjectType("user")
+                        .setSubjectId("[email protected]")
+                        .build(),
+                ObjectDependency.newBuilder()
+                        .setObjectType("user")
+                        .setObjectId("[email protected]")
+                        .setRelation("manager")
+                        .setSubjectType("user")
+                        .setSubjectId("[email protected]")
+                        .build());
+
+        // Act
+        GetGraphResponse getGraphResponse = directoryClient.getGraph(getGraphRequest);
+
+        // Assert
+        assertThat(getGraphResponse.getResultsList())
+                .usingRecursiveFieldByFieldElementComparatorOnFields("objectId_", "objectType_", "relation_", "subjectId_", "subjectType_")
+                .containsExactlyInAnyOrderElementsOf(objectDependencyList);
+    }
 }