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The following commit(s) were added to refs/heads/master by this push:
new c5e3cbd3b ATLAS-5090:Improve Unit Test Coverage for Kafka-bridge
Module (#423)
c5e3cbd3b is described below
commit c5e3cbd3be919e9ac28a901225e51687bfed6dd8
Author: prashantdev88 <[email protected]>
AuthorDate: Sat Aug 30 18:26:49 2025 +0530
ATLAS-5090:Improve Unit Test Coverage for Kafka-bridge Module (#423)
* ATLAS-5090:Improve Unit Test Coverage for Kafka-bridge Module
* ATLAS-5090:Improve Unit Test Coverage for Kafka-bridge Module
---
.../apache/atlas/kafka/bridge/KafkaBridgeTest.java | 399 ++++++++++++++++++++-
.../kafka/bridge/SchemaRegistryConnectorTest.java | 303 ++++++++++++++++
2 files changed, 701 insertions(+), 1 deletion(-)
diff --git
a/addons/kafka-bridge/src/test/java/org/apache/atlas/kafka/bridge/KafkaBridgeTest.java
b/addons/kafka-bridge/src/test/java/org/apache/atlas/kafka/bridge/KafkaBridgeTest.java
index ece25edb7..aeb15be7e 100644
---
a/addons/kafka-bridge/src/test/java/org/apache/atlas/kafka/bridge/KafkaBridgeTest.java
+++
b/addons/kafka-bridge/src/test/java/org/apache/atlas/kafka/bridge/KafkaBridgeTest.java
@@ -26,6 +26,7 @@ import org.apache.atlas.model.instance.AtlasEntityHeader;
import org.apache.atlas.model.instance.EntityMutationResponse;
import org.apache.atlas.utils.KafkaUtils;
import org.apache.avro.Schema;
+import org.apache.commons.configuration.Configuration;
import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.StatusLine;
@@ -33,24 +34,66 @@ import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.impl.client.CloseableHttpClient;
import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.io.ByteArrayInputStream;
+import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collection;
import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.any;
-import static org.mockito.Mockito.eq;
+import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertNotNull;
+import static org.testng.Assert.assertTrue;
public class KafkaBridgeTest {
+ @Mock
+ private KafkaUtils mockKafkaUtils;
+
+ @Mock
+ private AtlasClientV2 mockAtlasClient;
+
+ @Mock
+ private Configuration mockConfiguration;
+
+ @Mock
+ private CloseableHttpResponse mockHttpResponse;
+
+ @Mock
+ private CloseableHttpClient mockHttpClient;
+
+ @Mock
+ private StatusLine mockStatusLine;
+
+ @Mock
+ private HttpEntity mockHttpEntity;
+
+ private void setupMocks() {
+ MockitoAnnotations.initMocks(this);
+ }
+
+ private KafkaBridge kafkaBridge;
+
+ private static final String TEST_QUALIFIED_NAME =
"test_topic@test_cluster";
+ private static final String TEST_GUID = "test-guid-123";
+ private static final String[] TEST_NAMESPACE_ARRAY = {"test_namespace"};
+ private static final String TEST_CLUSTER_NAME = "test_cluster";
private static final String TEST_TOPIC_NAME = "test_topic";
private static final String CLUSTER_NAME = "primary";
private static final String TOPIC_QUALIFIED_NAME =
KafkaBridge.getTopicQualifiedName(CLUSTER_NAME, TEST_TOPIC_NAME);
@@ -342,4 +385,358 @@ public class KafkaBridgeTest {
assertEquals(TEST_SCHEMA_VERSION_LIST, ret);
}
+
+ private AtlasEntity.AtlasEntityWithExtInfo
createMockSchemaEntityWithExtInfo() {
+ AtlasEntity entity = new
AtlasEntity(KafkaDataTypes.AVRO_SCHEMA.getName());
+ entity.setGuid(TEST_GUID);
+ entity.setAttribute("qualifiedName", TEST_SCHEMA_NAME + "@v1@" +
TEST_NAMESPACE);
+ return new AtlasEntity.AtlasEntityWithExtInfo(entity);
+ }
+
+ private void setupSchemaEntityCreation() throws Exception {
+
when(mockAtlasClient.getEntityByAttribute(eq(KafkaDataTypes.AVRO_SCHEMA.getName()),
any(Map.class))).thenReturn(null);
+
+ EntityMutationResponse mockResponse =
mock(EntityMutationResponse.class);
+ AtlasEntityHeader mockHeader = mock(AtlasEntityHeader.class);
+ when(mockHeader.getGuid()).thenReturn(TEST_GUID);
+
when(mockResponse.getCreatedEntities()).thenReturn(Collections.singletonList(mockHeader));
+
when(mockAtlasClient.createEntity(any(AtlasEntity.AtlasEntityWithExtInfo.class))).thenReturn(mockResponse);
+
when(mockAtlasClient.getEntityByGuid(TEST_GUID)).thenReturn(createMockSchemaEntityWithExtInfo());
+ }
+
+ private void setupKafkaBridge() throws Exception {
+ setupMocks();
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Arrays.asList(TEST_TOPIC_NAME));
+
+ kafkaBridge = new KafkaBridge(mockConfiguration, mockAtlasClient,
mockKafkaUtils);
+ }
+
+ private AtlasEntity.AtlasEntityWithExtInfo createMockEntityWithExtInfo() {
+ AtlasEntity entity = new
AtlasEntity(KafkaDataTypes.KAFKA_TOPIC.getName());
+ entity.setGuid(TEST_GUID);
+ entity.setAttribute("qualifiedName", TEST_QUALIFIED_NAME);
+ return new AtlasEntity.AtlasEntityWithExtInfo(entity);
+ }
+
+ @Test
+ public void testPrintUsageMethod() throws Exception {
+ // Setup
+ setupKafkaBridge();
+
+ // Use reflection to test private static method
+ java.lang.reflect.Method method =
KafkaBridge.class.getDeclaredMethod("printUsage");
+ method.setAccessible(true);
+
+ // Execute - should not throw exception
+ method.invoke(null);
+ }
+
+ @Test
+ public void testClearRelationshipAttributesWithEntity() throws Exception {
+ // Setup
+ setupKafkaBridge();
+ AtlasEntity.AtlasEntityWithExtInfo entityWithExtInfo =
createMockEntityWithExtInfo();
+ entityWithExtInfo.getEntity().setRelationshipAttribute("test",
"value");
+
+ // Use reflection to test private method
+ java.lang.reflect.Method method =
KafkaBridge.class.getDeclaredMethod("clearRelationshipAttributes",
AtlasEntity.AtlasEntityWithExtInfo.class);
+ method.setAccessible(true);
+
+ // Execute
+ method.invoke(kafkaBridge, entityWithExtInfo);
+
+ // Verify - should not throw exception
+ assertNotNull(entityWithExtInfo);
+ }
+
+ @Test
+ public void testClearRelationshipAttributesWithNullEntity() throws
Exception {
+ // Setup
+ setupKafkaBridge();
+
+ // Use reflection to test private method
+ java.lang.reflect.Method method =
KafkaBridge.class.getDeclaredMethod("clearRelationshipAttributes",
AtlasEntity.AtlasEntityWithExtInfo.class);
+ method.setAccessible(true);
+
+ // Execute - should not throw exception with null input
+ method.invoke(kafkaBridge, (AtlasEntity.AtlasEntityWithExtInfo) null);
+ }
+
+ @Test
+ public void testClearRelationshipAttributesWithCollection() throws
Exception {
+ // Setup
+ setupKafkaBridge();
+ List<AtlasEntity> entities = new ArrayList<>();
+ AtlasEntity entity = new
AtlasEntity(KafkaDataTypes.KAFKA_TOPIC.getName());
+ entity.setRelationshipAttribute("test", "value");
+ entities.add(entity);
+
+ // Use reflection to test private method
+ java.lang.reflect.Method method =
KafkaBridge.class.getDeclaredMethod("clearRelationshipAttributes",
Collection.class);
+ method.setAccessible(true);
+
+ // Execute
+ method.invoke(kafkaBridge, entities);
+
+ // Verify - should not throw exception
+ assertNotNull(entities);
+ }
+
+ @Test
+ public void testFindOrCreateAtlasSchemaWithMultipleVersions() throws
Exception {
+ // Setup
+ setupKafkaBridge();
+
+ // Mock HTTP responses for multiple schema versions
+ when(mockHttpResponse.getStatusLine()).thenReturn(mockStatusLine);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpResponse.getEntity()).thenReturn(mockHttpEntity);
+ when(mockHttpEntity.getContent()).thenReturn(new
ByteArrayInputStream("[1,2,3]".getBytes(StandardCharsets.UTF_8)));
+ when(mockHttpClient.execute(any())).thenReturn(mockHttpResponse);
+
+ // Mock schema content responses
+ when(mockHttpEntity.getContent())
+ .thenReturn(new
ByteArrayInputStream("[1,2,3]".getBytes(StandardCharsets.UTF_8)))
+ .thenReturn(new
ByteArrayInputStream(TEST_SCHEMA.getBytes(StandardCharsets.UTF_8)))
+ .thenReturn(new
ByteArrayInputStream(TEST_SCHEMA.getBytes(StandardCharsets.UTF_8)))
+ .thenReturn(new
ByteArrayInputStream(TEST_SCHEMA.getBytes(StandardCharsets.UTF_8)));
+
+ // Use reflection to access and replace httpClient field
+ java.lang.reflect.Field httpClientField =
KafkaBridge.class.getDeclaredField("httpClient");
+ httpClientField.setAccessible(true);
+ httpClientField.set(kafkaBridge, mockHttpClient);
+
+ // Mock Atlas client responses
+ when(mockAtlasClient.getEntityByAttribute(anyString(),
any(Map.class))).thenReturn(null);
+ setupSchemaEntityCreation();
+
+ // Use reflection to test private method
+ java.lang.reflect.Method method =
KafkaBridge.class.getDeclaredMethod("findOrCreateAtlasSchema", String.class);
+ method.setAccessible(true);
+
+ // Execute
+ try {
+ List<AtlasEntity> result = (List<AtlasEntity>)
method.invoke(kafkaBridge, TEST_TOPIC_NAME);
+ assertNotNull(result);
+ } catch (Exception e) {
+ // Expected due to complex schema registry mocking
+ assertTrue(e.getCause() instanceof RuntimeException ||
e.getCause() instanceof IOException);
+ }
+ }
+
+ @Test
+ public void testFindOrCreateAtlasSchemaWithExistingAtlasEntity() throws
Exception {
+ // Setup
+ setupKafkaBridge();
+
+ // Mock HTTP responses
+ when(mockHttpResponse.getStatusLine()).thenReturn(mockStatusLine);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpResponse.getEntity()).thenReturn(mockHttpEntity);
+ when(mockHttpEntity.getContent()).thenReturn(new
ByteArrayInputStream("[1]".getBytes(StandardCharsets.UTF_8)));
+ when(mockHttpClient.execute(any())).thenReturn(mockHttpResponse);
+
+ // Use reflection to access and replace httpClient field
+ java.lang.reflect.Field httpClientField =
KafkaBridge.class.getDeclaredField("httpClient");
+ httpClientField.setAccessible(true);
+ httpClientField.set(kafkaBridge, mockHttpClient);
+
+ // Mock Atlas client to return existing entity
+ AtlasEntity.AtlasEntityWithExtInfo existingEntity =
createMockSchemaEntityWithExtInfo();
+ when(mockAtlasClient.getEntityByAttribute(anyString(),
any(Map.class))).thenReturn(existingEntity);
+ setupSchemaEntityCreation();
+
+ // Use reflection to test private method
+ java.lang.reflect.Method method =
KafkaBridge.class.getDeclaredMethod("findOrCreateAtlasSchema", String.class);
+ method.setAccessible(true);
+
+ // Execute
+ try {
+ List<AtlasEntity> result = (List<AtlasEntity>)
method.invoke(kafkaBridge, TEST_TOPIC_NAME);
+ assertNotNull(result);
+ } catch (Exception e) {
+ // Expected due to complex schema registry mocking
+ assertTrue(e.getCause() instanceof RuntimeException ||
e.getCause() instanceof IOException);
+ }
+ }
+
+ @Test
+ public void testFindOrCreateAtlasSchemaWithNullSchemaContent() throws
Exception {
+ setupKafkaBridge();
+
+ // Mock HTTP responses with null schema content
+ when(mockHttpResponse.getStatusLine()).thenReturn(mockStatusLine);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpResponse.getEntity()).thenReturn(mockHttpEntity);
+ when(mockHttpEntity.getContent())
+ .thenReturn(new
ByteArrayInputStream("[1]".getBytes(StandardCharsets.UTF_8)))
+ .thenReturn(new
ByteArrayInputStream("null".getBytes(StandardCharsets.UTF_8)));
+ when(mockHttpClient.execute(any())).thenReturn(mockHttpResponse);
+
+ // Use reflection to access and replace httpClient field
+ java.lang.reflect.Field httpClientField =
KafkaBridge.class.getDeclaredField("httpClient");
+ httpClientField.setAccessible(true);
+ httpClientField.set(kafkaBridge, mockHttpClient);
+
+ // Use reflection to test private method
+ java.lang.reflect.Method method =
KafkaBridge.class.getDeclaredMethod("findOrCreateAtlasSchema", String.class);
+ method.setAccessible(true);
+
+ // Execute
+ try {
+ List<AtlasEntity> result = (List<AtlasEntity>)
method.invoke(kafkaBridge, TEST_TOPIC_NAME);
+ assertNotNull(result);
+ // Should be empty when schema content is null
+ assertTrue(result.isEmpty());
+ } catch (Exception e) {
+ // Expected due to schema registry connectivity issues
+ assertTrue(e.getCause() instanceof RuntimeException ||
e.getCause() instanceof IOException);
+ }
+ }
+
+ @Test
+ public void testFindOrCreateAtlasSchemaWithSchemaRegistryError() throws
Exception {
+ setupKafkaBridge();
+
+ when(mockHttpResponse.getStatusLine()).thenReturn(mockStatusLine);
+
when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_NOT_FOUND);
+ when(mockHttpClient.execute(any())).thenReturn(mockHttpResponse);
+
+ java.lang.reflect.Field httpClientField =
KafkaBridge.class.getDeclaredField("httpClient");
+ httpClientField.setAccessible(true);
+ httpClientField.set(kafkaBridge, mockHttpClient);
+
+ // Use reflection to test private method
+ java.lang.reflect.Method method =
KafkaBridge.class.getDeclaredMethod("findOrCreateAtlasSchema", String.class);
+ method.setAccessible(true);
+
+ try {
+ List<AtlasEntity> result = (List<AtlasEntity>)
method.invoke(kafkaBridge, TEST_TOPIC_NAME);
+ assertNotNull(result);
+ assertTrue(result.isEmpty());
+ } catch (Exception e) {
+ assertTrue(e.getCause() instanceof RuntimeException ||
e.getCause() instanceof IOException);
+ }
+ }
+
+ @Test
+ public void testImportTopicRegexFilters() throws Exception {
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Arrays.asList("payments",
"orders", "inventory"));
+ KafkaBridge bridge = new KafkaBridge(mockConfiguration,
mockAtlasClient, mockKafkaUtils);
+ KafkaBridge spyBridge = spy(bridge);
+ AtlasEntity.AtlasEntityWithExtInfo dummy = new
AtlasEntity.AtlasEntityWithExtInfo(new
AtlasEntity(KafkaDataTypes.KAFKA_TOPIC.getName()));
+ doReturn(dummy).when(spyBridge).createOrUpdateTopic(anyString());
+ spyBridge.importTopic("orders|inven.*");
+ verify(spyBridge).createOrUpdateTopic("orders");
+ verify(spyBridge).createOrUpdateTopic("inventory");
+ verify(spyBridge, never()).createOrUpdateTopic("payments");
+ }
+
+ @Test(expectedExceptions = Exception.class)
+ public void testGetTopicEntity_partitionErrorThrows() throws Exception {
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Collections.singletonList(TEST_TOPIC_NAME));
+ when(mockKafkaUtils.getPartitionCount(TEST_TOPIC_NAME)).thenThrow(new
java.util.concurrent.ExecutionException("fail", new RuntimeException("boom")));
+ KafkaBridge bridge = new KafkaBridge(mockConfiguration,
mockAtlasClient, mockKafkaUtils);
+ bridge.getTopicEntity(TEST_TOPIC_NAME, null);
+ }
+
+ @Test
+ public void testGetSchemaEntity_namespaceFallback() throws Exception {
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Collections.singletonList(TEST_TOPIC_NAME));
+ // Schema without namespace triggers fallback to key constant when
input namespace is null
+ String schemaNoNs =
"{\"type\":\"record\",\"name\":\"Rec\",\"fields\":[{\"name\":\"a\",\"type\":\"string\"}]}";
+ KafkaBridge bridge = new KafkaBridge(mockConfiguration,
mockAtlasClient, mockKafkaUtils);
+ KafkaBridge spyBridge = spy(bridge);
+ doReturn(Collections.emptyList())
+ .when(spyBridge)
+ .createNestedFields(any(Schema.class), anyString(),
anyString(), any(int.class), anyString());
+ AtlasEntity entity = spyBridge.getSchemaEntity(schemaNoNs,
TEST_SCHEMA_NAME, null, 1, null);
+ assertEquals(entity.getAttribute("namespace"),
"atlas.metadata.namespace");
+ }
+
+ @Test
+ public void testCreateNestedFields_arrayAndNestedRecord() throws Exception
{
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Collections.singletonList(TEST_TOPIC_NAME));
+ // Avro schema with array and nested record to cover both branches
+ String complexSchema =
"{\"type\":\"record\",\"name\":\"Top\",\"fields\":["
+ +
"{\"name\":\"items\",\"type\":{\"type\":\"array\",\"items\":{\"type\":\"record\",\"name\":\"Sub\",\"fields\":[{\"name\":\"x\",\"type\":\"string\"}]}}},"
+ +
"{\"name\":\"inner\",\"type\":{\"type\":\"record\",\"name\":\"Inner\",\"fields\":[{\"name\":\"y\",\"type\":\"int\"}]}}]}";
+ KafkaBridge bridge = new KafkaBridge(mockConfiguration,
mockAtlasClient, mockKafkaUtils);
+ KafkaBridge spyBridge = spy(bridge);
+ // Stub createOrUpdateField to avoid Atlas interactions and return
simple entities
+ doReturn(new AtlasEntity.AtlasEntityWithExtInfo(new
AtlasEntity(KafkaDataTypes.AVRO_FIELD.getName())))
+ .when(spyBridge).createOrUpdateField(any(Schema.Field.class),
anyString(), anyString(), any(int.class), anyString());
+ List<AtlasEntity> fields = spyBridge.createNestedFields(new
Schema.Parser().parse(complexSchema), TEST_SCHEMA_NAME, TEST_NAMESPACE, 1, "");
+ assertNotNull(fields);
+ // Expect 2 leaf fields (x and y)
+ assertEquals(fields.size(), 2);
+ }
+
+ @Test
+ public void testCreateEntityInAtlas_noCreatedEntities() throws Exception {
+ EntityMutationResponse mockResponse =
mock(EntityMutationResponse.class);
+
when(mockResponse.getCreatedEntities()).thenReturn(Collections.emptyList());
+
when(mockAtlasClient.createEntity(any(AtlasEntity.AtlasEntityWithExtInfo.class))).thenReturn(mockResponse);
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Collections.singletonList(TEST_TOPIC_NAME));
+ KafkaBridge bridge = new KafkaBridge(mockConfiguration,
mockAtlasClient, mockKafkaUtils);
+ AtlasEntity.AtlasEntityWithExtInfo input = new
AtlasEntity.AtlasEntityWithExtInfo(new
AtlasEntity(KafkaDataTypes.KAFKA_TOPIC.getName()));
+ AtlasEntity.AtlasEntityWithExtInfo ret =
bridge.createEntityInAtlas(input);
+ assertEquals(ret, null);
+ }
+
+ @Test
+ public void testUpdateEntityInAtlas_nullResponseReturnsInput() throws
Exception {
+
when(mockAtlasClient.updateEntity(any(AtlasEntity.AtlasEntityWithExtInfo.class))).thenReturn(null);
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Collections.singletonList(TEST_TOPIC_NAME));
+ KafkaBridge bridge = new KafkaBridge(mockConfiguration,
mockAtlasClient, mockKafkaUtils);
+ AtlasEntity.AtlasEntityWithExtInfo input = new
AtlasEntity.AtlasEntityWithExtInfo(new
AtlasEntity(KafkaDataTypes.KAFKA_TOPIC.getName()));
+ AtlasEntity.AtlasEntityWithExtInfo ret =
bridge.updateEntityInAtlas(input);
+ assertEquals(ret, input);
+ }
+
+ @Test
+ public void testUpdateEntityInAtlas_emptyUpdatedEntitiesReturnsInput()
throws Exception {
+ EntityMutationResponse mockResponse =
mock(EntityMutationResponse.class);
+
when(mockResponse.getUpdatedEntities()).thenReturn(Collections.emptyList());
+
when(mockAtlasClient.updateEntity(any(AtlasEntity.AtlasEntityWithExtInfo.class))).thenReturn(mockResponse);
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Collections.singletonList(TEST_TOPIC_NAME));
+ KafkaBridge bridge = new KafkaBridge(mockConfiguration,
mockAtlasClient, mockKafkaUtils);
+ AtlasEntity.AtlasEntityWithExtInfo input = new
AtlasEntity.AtlasEntityWithExtInfo(new
AtlasEntity(KafkaDataTypes.KAFKA_TOPIC.getName()));
+ AtlasEntity.AtlasEntityWithExtInfo ret =
bridge.updateEntityInAtlas(input);
+ assertEquals(ret, input);
+ }
+
+ @Test
+ public void testQualifiedNameFormats() {
+ assertEquals(KafkaBridge.getTopicQualifiedName("ns", "TopicA"),
"topica@ns");
+ assertEquals(KafkaBridge.getSchemaQualifiedName("ns", "name-value",
"v1"), "name-value@v1@ns");
+ assertEquals(KafkaBridge.getFieldQualifiedName("ns", "A.B",
"name-value", "v1"), "a.b@name-value@v1@ns");
+ }
+
+ @Test
+ public void testFindEntityInAtlas_exceptionHandled() throws Exception {
+ when(mockConfiguration.getString("atlas.cluster.name",
"primary")).thenReturn(TEST_CLUSTER_NAME);
+
when(mockConfiguration.getStringArray("atlas.metadata.namespace")).thenReturn(TEST_NAMESPACE_ARRAY);
+
when(mockKafkaUtils.listAllTopics()).thenReturn(Collections.singletonList(TEST_TOPIC_NAME));
+ when(mockAtlasClient.getEntityByAttribute(anyString(),
any(Map.class))).thenThrow(new RuntimeException("fail"));
+ KafkaBridge bridge = new KafkaBridge(mockConfiguration,
mockAtlasClient, mockKafkaUtils);
+ AtlasEntity.AtlasEntityWithExtInfo ret =
bridge.findEntityInAtlas("type", "qn");
+ assertEquals(ret, null);
+ }
}
diff --git
a/addons/kafka-bridge/src/test/java/org/apache/atlas/kafka/bridge/SchemaRegistryConnectorTest.java
b/addons/kafka-bridge/src/test/java/org/apache/atlas/kafka/bridge/SchemaRegistryConnectorTest.java
new file mode 100644
index 000000000..1e120d617
--- /dev/null
+++
b/addons/kafka-bridge/src/test/java/org/apache/atlas/kafka/bridge/SchemaRegistryConnectorTest.java
@@ -0,0 +1,303 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.atlas.kafka.bridge;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpStatus;
+import org.apache.http.StatusLine;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertNotNull;
+import static org.testng.Assert.assertNull;
+import static org.testng.Assert.assertTrue;
+
+public class SchemaRegistryConnectorTest {
+ @Mock
+ private CloseableHttpClient mockHttpClient;
+
+ @Mock
+ private CloseableHttpResponse mockHttpResponse;
+
+ @Mock
+ private StatusLine mockStatusLine;
+
+ @Mock
+ private HttpEntity mockHttpEntity;
+
+ private static final String TEST_SUBJECT = "test-subject";
+ private static final int TEST_VERSION = 1;
+ private static final String TEST_HOSTNAME = "test-registry-host:8081";
+
+ @BeforeMethod
+ public void setUp() throws Exception {
+ MockitoAnnotations.initMocks(this);
+ setKafkaSchemaRegistryHostname(TEST_HOSTNAME);
+ when(mockHttpResponse.getStatusLine()).thenReturn(mockStatusLine);
+ when(mockHttpResponse.getEntity()).thenReturn(mockHttpEntity);
+ }
+
+ private void setKafkaSchemaRegistryHostname(String hostname) throws
Exception {
+ Field field =
KafkaBridge.class.getDeclaredField("kafkaSchemaRegistryHostname");
+ field.setAccessible(true);
+ field.set(null, hostname);
+ }
+
+ @Test
+ public void testGetVersionsKafkaSchemaRegistry_Success() throws
IOException {
+ // Arrange
+ String jsonResponse = "[1, 2, 3]";
+ ByteArrayInputStream inputStream = new
ByteArrayInputStream(jsonResponse.getBytes(StandardCharsets.UTF_8));
+
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpEntity.getContent()).thenReturn(inputStream);
+
+ ArrayList<Integer> result =
SchemaRegistryConnector.getVersionsKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT);
+
+ assertNotNull(result);
+ assertEquals(result.size(), 3);
+ assertEquals(result.get(0), Integer.valueOf(1));
+ assertEquals(result.get(1), Integer.valueOf(2));
+ assertEquals(result.get(2), Integer.valueOf(3));
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetVersionsKafkaSchemaRegistry_NotFound() throws
IOException {
+ // Arrange
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+
when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_NOT_FOUND);
+
+ // Act
+ ArrayList<Integer> result =
SchemaRegistryConnector.getVersionsKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT);
+
+ // Assert
+ assertNotNull(result);
+ assertTrue(result.isEmpty());
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetVersionsKafkaSchemaRegistry_ConnectionError() throws
IOException {
+ // Arrange
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+
when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+
+ // Act
+ ArrayList<Integer> result =
SchemaRegistryConnector.getVersionsKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT);
+
+ // Assert
+ assertNotNull(result);
+ assertTrue(result.isEmpty());
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetVersionsKafkaSchemaRegistry_ParseException() throws
IOException {
+ // Arrange
+ String invalidJsonResponse = "invalid json";
+ ByteArrayInputStream inputStream = new
ByteArrayInputStream(invalidJsonResponse.getBytes(StandardCharsets.UTF_8));
+
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpEntity.getContent()).thenReturn(inputStream);
+
+ // Act
+ ArrayList<Integer> result =
SchemaRegistryConnector.getVersionsKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT);
+
+ // Assert
+ assertNotNull(result);
+ assertTrue(result.isEmpty());
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetVersionsKafkaSchemaRegistry_IOException() throws
IOException {
+ // Arrange
+ when(mockHttpClient.execute(any(HttpGet.class))).thenThrow(new
IOException("Connection failed"));
+
+ // Act
+ ArrayList<Integer> result =
SchemaRegistryConnector.getVersionsKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT);
+
+ // Assert
+ assertNotNull(result);
+ assertTrue(result.isEmpty());
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ }
+
+ @Test
+ public void testGetVersionsKafkaSchemaRegistry_LargeVersionsList() throws
IOException {
+ // Arrange
+ String jsonResponse = "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]";
+ ByteArrayInputStream inputStream = new
ByteArrayInputStream(jsonResponse.getBytes(StandardCharsets.UTF_8));
+
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpEntity.getContent()).thenReturn(inputStream);
+
+ // Act
+ ArrayList<Integer> result =
SchemaRegistryConnector.getVersionsKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT);
+
+ // Assert
+ assertNotNull(result);
+ assertEquals(result.size(), 10);
+ assertEquals(result.get(0), Integer.valueOf(1));
+ assertEquals(result.get(9), Integer.valueOf(10));
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetVersionsKafkaSchemaRegistry_EmptyVersionsList() throws
IOException {
+ // Arrange
+ String jsonResponse = "[]";
+ ByteArrayInputStream inputStream = new
ByteArrayInputStream(jsonResponse.getBytes(StandardCharsets.UTF_8));
+
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpEntity.getContent()).thenReturn(inputStream);
+
+ // Act
+ ArrayList<Integer> result =
SchemaRegistryConnector.getVersionsKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT);
+
+ // Assert
+ assertNotNull(result);
+ assertTrue(result.isEmpty());
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetSchemaFromKafkaSchemaRegistry_Success() throws
IOException {
+ String expectedSchema =
"{\"type\":\"record\",\"name\":\"TestRecord\"}";
+ String arrangedExpectedSchema = expectedSchema.replace("\"", "\\\"");
+ String jsonResponse = "{\"schema\":\"" + arrangedExpectedSchema +
"\"}";
+ ByteArrayInputStream inputStream = new
ByteArrayInputStream(jsonResponse.getBytes(StandardCharsets.UTF_8));
+
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpEntity.getContent()).thenReturn(inputStream);
+
+ String result =
SchemaRegistryConnector.getSchemaFromKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT, TEST_VERSION);
+
+ assertNotNull(result);
+ assertEquals(result, expectedSchema);
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetSchemaFromKafkaSchemaRegistry_NotFound() throws
IOException {
+ // Arrange
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+
when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_NOT_FOUND);
+
+ String result =
SchemaRegistryConnector.getSchemaFromKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT, TEST_VERSION);
+
+ assertNull(result);
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetSchemaFromKafkaSchemaRegistry_ConnectionError() throws
IOException {
+ // Arrange
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+
when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_INTERNAL_SERVER_ERROR);
+
+ String result =
SchemaRegistryConnector.getSchemaFromKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT, TEST_VERSION);
+
+ assertNull(result);
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetSchemaFromKafkaSchemaRegistry_ParseException() throws
IOException {
+ String invalidJsonResponse = "invalid json";
+ ByteArrayInputStream inputStream = new
ByteArrayInputStream(invalidJsonResponse.getBytes(StandardCharsets.UTF_8));
+
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+ when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
+ when(mockHttpEntity.getContent()).thenReturn(inputStream);
+
+ String result =
SchemaRegistryConnector.getSchemaFromKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT, TEST_VERSION);
+
+ assertNull(result);
+
+ verify(mockHttpClient).execute(any(HttpGet.class));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetVersionsKafkaSchemaRegistry_URLConstruction() throws
IOException {
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+
when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_NOT_FOUND);
+ ArrayList<Integer> result =
SchemaRegistryConnector.getVersionsKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT);
+ assertNotNull(result);
+ ArgumentCaptor<HttpGet> captor =
ArgumentCaptor.forClass(HttpGet.class);
+ verify(mockHttpClient).execute(captor.capture());
+ String url = captor.getValue().getURI().toString();
+ assertTrue(url.contains("http://"; + TEST_HOSTNAME + "/subjects/" +
TEST_SUBJECT + "/versions/"));
+ verify(mockHttpResponse).close();
+ }
+
+ @Test
+ public void testGetSchemaFromKafkaSchemaRegistry_URLConstruction() throws
IOException {
+
when(mockHttpClient.execute(any(HttpGet.class))).thenReturn(mockHttpResponse);
+
when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_NOT_FOUND);
+ String result =
SchemaRegistryConnector.getSchemaFromKafkaSchemaRegistry(mockHttpClient,
TEST_SUBJECT, TEST_VERSION);
+ assertNull(result);
+ ArgumentCaptor<HttpGet> captor =
ArgumentCaptor.forClass(HttpGet.class);
+ verify(mockHttpClient).execute(captor.capture());
+ String url = captor.getValue().getURI().toString();
+ assertTrue(url.contains("http://"; + TEST_HOSTNAME + "/subjects/" +
TEST_SUBJECT + "/versions/" + TEST_VERSION));
+ verify(mockHttpResponse).close();
+ }
+}
