AndrewJSchofield commented on code in PR #14926: URL: https://github.com/apache/kafka/pull/14926#discussion_r1417070856
########## tools/src/test/java/org/apache/kafka/tools/ClientMetricsCommandTest.java: ########## @@ -0,0 +1,273 @@ +/* + * 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 + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * 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.kafka.tools; + +import kafka.utils.Exit; +import org.apache.kafka.clients.admin.Admin; +import org.apache.kafka.clients.admin.AdminClientTestUtils; +import org.apache.kafka.clients.admin.AlterConfigsResult; +import org.apache.kafka.clients.admin.Config; +import org.apache.kafka.clients.admin.ConfigEntry; +import org.apache.kafka.clients.admin.DescribeConfigsResult; +import org.apache.kafka.clients.admin.ListClientMetricsResourcesResult; +import org.apache.kafka.common.config.ConfigResource; +import org.apache.kafka.common.protocol.Errors; +import org.junit.jupiter.api.Test; + +import java.util.Arrays; +import java.util.Collections; +import java.util.concurrent.ExecutionException; +import java.util.stream.Collectors; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.junit.jupiter.api.Assertions.fail; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +public class ClientMetricsCommandTest { + private String bootstrapServer = "localhost:9092"; + private String clientMetricsName = "cm"; + + @Test + public void testOptionsNoActionFails() { + assertInitializeInvalidOptionsExitCode(1, + new String[] {"--bootstrap-server", bootstrapServer}); + } + + @Test + public void testOptionsListSucceeds() { + ClientMetricsCommand.ClientMetricsCommandOptions opts = new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[] {"--bootstrap-server", bootstrapServer, "--list"}); + assertTrue(opts.hasListOption()); + } + + @Test + public void testOptionsDescribeNoNameSucceeds() { + ClientMetricsCommand.ClientMetricsCommandOptions opts = new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[] {"--bootstrap-server", bootstrapServer, "--describe"}); + assertTrue(opts.hasDescribeOption()); + } + + @Test + public void testOptionsDescribeWithNameSucceeds() { + ClientMetricsCommand.ClientMetricsCommandOptions opts = new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[] {"--bootstrap-server", bootstrapServer, "--describe", "--name", clientMetricsName}); + assertTrue(opts.hasDescribeOption()); + } + + @Test + public void testOptionsDeleteNoNameFails() { + assertInitializeInvalidOptionsExitCode(1, + new String[] {"--bootstrap-server", bootstrapServer, "--delete"}); + } + + @Test + public void testOptionsDeleteWithNameSucceeds() { + ClientMetricsCommand.ClientMetricsCommandOptions opts = new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[] {"--bootstrap-server", bootstrapServer, "--delete", "--name", clientMetricsName}); + assertTrue(opts.hasDeleteOption()); + } + + @Test + public void testOptionsAlterNoNameFails() { + assertInitializeInvalidOptionsExitCode(1, + new String[] {"--bootstrap-server", bootstrapServer, "--alter"}); + } + + @Test + public void testOptionsAlterGenerateNameSucceeds() { + ClientMetricsCommand.ClientMetricsCommandOptions opts = new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[] {"--bootstrap-server", bootstrapServer, "--alter", "--generate-name"}); + assertTrue(opts.hasAlterOption()); + } + + @Test + public void testOptionsAlterWithNameSucceeds() { + ClientMetricsCommand.ClientMetricsCommandOptions opts = new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[] {"--bootstrap-server", bootstrapServer, "--alter", "--name", clientMetricsName}); + assertTrue(opts.hasAlterOption()); + } + + @Test + public void testOptionsAlterAllOptionsSucceeds() { + ClientMetricsCommand.ClientMetricsCommandOptions opts = new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[] {"--bootstrap-server", bootstrapServer, "--alter", "--name", clientMetricsName, + "--interval", "1000", "--match", "client_id=abc", "--metrics", "org.apache.kafka."}); + assertTrue(opts.hasAlterOption()); + + } + + @Test + public void testAlter() { + Admin adminClient = mock(Admin.class); + ClientMetricsCommand.ClientMetricsService service = new ClientMetricsCommand.ClientMetricsService(adminClient); + + AlterConfigsResult result = AdminClientTestUtils.alterConfigsResult(new ConfigResource(ConfigResource.Type.CLIENT_METRICS, clientMetricsName)); + when(adminClient.incrementalAlterConfigs(any(), any())).thenReturn(result); + + String capturedOutput = ToolsTestUtils.captureStandardOut(() -> { + try { + service.alterClientMetrics(new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[]{"--bootstrap-server", bootstrapServer, "--alter", + "--name", clientMetricsName, "--metrics", "org.apache.kafka.producer.", + "--interval", "5000", "--match", "client_id=CLIENT1"})); + } catch (Throwable t) { + fail(t); + } + }); + assertTrue(capturedOutput.contains("Altered client metrics config for " + clientMetricsName + ".")); + } + + @Test + public void testAlterGenerateName() { + Admin adminClient = mock(Admin.class); + ClientMetricsCommand.ClientMetricsService service = new ClientMetricsCommand.ClientMetricsService(adminClient); + + AlterConfigsResult result = AdminClientTestUtils.alterConfigsResult(new ConfigResource(ConfigResource.Type.CLIENT_METRICS, "whatever")); + when(adminClient.incrementalAlterConfigs(any(), any())).thenReturn(result); + + String capturedOutput = ToolsTestUtils.captureStandardOut(() -> { + try { + service.alterClientMetrics(new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[]{"--bootstrap-server", bootstrapServer, "--alter", + "--generate-name", "--metrics", "org.apache.kafka.producer.", + "--interval", "5000", "--match", "client_id=CLIENT1"})); + } catch (Throwable t) { + fail(t); + } + }); + assertTrue(capturedOutput.contains("Altered client metrics config")); + } + + @Test + public void testDelete() { + Admin adminClient = mock(Admin.class); + ClientMetricsCommand.ClientMetricsService service = new ClientMetricsCommand.ClientMetricsService(adminClient); + + ConfigResource cr = new ConfigResource(ConfigResource.Type.CLIENT_METRICS, clientMetricsName); + Config cfg = new Config(Collections.singleton(new ConfigEntry("metrics", "org.apache.kafka.producer."))); + DescribeConfigsResult describeResult = AdminClientTestUtils.describeConfigsResult(cr, cfg); + when(adminClient.describeConfigs(any())).thenReturn(describeResult); + AlterConfigsResult alterResult = AdminClientTestUtils.alterConfigsResult(cr); + when(adminClient.incrementalAlterConfigs(any(), any())).thenReturn(alterResult); + + String capturedOutput = ToolsTestUtils.captureStandardOut(() -> { + try { + service.deleteClientMetrics(new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[]{"--bootstrap-server", bootstrapServer, "--delete", + "--name", clientMetricsName})); + } catch (Throwable t) { + fail(t); + } + }); + assertTrue(capturedOutput.contains("Deleted client metrics config for " + clientMetricsName + ".")); + } + + @Test + public void testDescribe() { + Admin adminClient = mock(Admin.class); + ClientMetricsCommand.ClientMetricsService service = new ClientMetricsCommand.ClientMetricsService(adminClient); + + ConfigResource cr = new ConfigResource(ConfigResource.Type.CLIENT_METRICS, clientMetricsName); + Config cfg = new Config(Collections.singleton(new ConfigEntry("metrics", "org.apache.kafka.producer."))); + DescribeConfigsResult describeResult = AdminClientTestUtils.describeConfigsResult(cr, cfg); + when(adminClient.describeConfigs(any())).thenReturn(describeResult); + + String capturedOutput = ToolsTestUtils.captureStandardOut(() -> { + try { + service.describeClientMetrics(new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[]{"--bootstrap-server", bootstrapServer, "--describe", + "--name", clientMetricsName})); + } catch (Throwable t) { + fail(t); + } + }); + assertTrue(capturedOutput.contains("Client metrics configs for " + clientMetricsName + " are:")); + assertTrue(capturedOutput.contains("metrics=org.apache.kafka.producer.")); + } + + @Test + public void testDescribeAll() { + Admin adminClient = mock(Admin.class); + ClientMetricsCommand.ClientMetricsService service = new ClientMetricsCommand.ClientMetricsService(adminClient); + + ListClientMetricsResourcesResult result = AdminClientTestUtils.listClientMetricsResourcesResult(clientMetricsName); + when(adminClient.listClientMetricsResources()).thenReturn(result); + ConfigResource cr = new ConfigResource(ConfigResource.Type.CLIENT_METRICS, clientMetricsName); + Config cfg = new Config(Collections.singleton(new ConfigEntry("metrics", "org.apache.kafka.producer."))); + DescribeConfigsResult describeResult = AdminClientTestUtils.describeConfigsResult(cr, cfg); + when(adminClient.describeConfigs(any())).thenReturn(describeResult); + + String capturedOutput = ToolsTestUtils.captureStandardOut(() -> { + try { + service.describeClientMetrics(new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[]{"--bootstrap-server", bootstrapServer, "--describe"})); + } catch (Throwable t) { + fail(t); + } + }); + assertTrue(capturedOutput.contains("Client metrics configs for " + clientMetricsName + " are:")); + assertTrue(capturedOutput.contains("metrics=org.apache.kafka.producer.")); + } + + @Test + public void testList() { + Admin adminClient = mock(Admin.class); + ClientMetricsCommand.ClientMetricsService service = new ClientMetricsCommand.ClientMetricsService(adminClient); + + ListClientMetricsResourcesResult result = AdminClientTestUtils.listClientMetricsResourcesResult("one", "two"); + when(adminClient.listClientMetricsResources()).thenReturn(result); + + String capturedOutput = ToolsTestUtils.captureStandardOut(() -> { + try { + service.listClientMetrics(new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[]{"--bootstrap-server", bootstrapServer, "--list"})); + } catch (Throwable t) { + fail(t); + } + }); + assertEquals("one,two", Arrays.stream(capturedOutput.split("\n")).collect(Collectors.joining(","))); + } + + @Test + public void testListFailsWithUnsupportedVersionException() { + Admin adminClient = mock(Admin.class); + ClientMetricsCommand.ClientMetricsService service = new ClientMetricsCommand.ClientMetricsService(adminClient); + + ListClientMetricsResourcesResult result = AdminClientTestUtils.listClientMetricsResourcesResult(Errors.UNSUPPORTED_VERSION.exception()); + when(adminClient.listClientMetricsResources()).thenReturn(result); + + assertThrows(ExecutionException.class, + () -> service.listClientMetrics(new ClientMetricsCommand.ClientMetricsCommandOptions( + new String[] {"--bootstrap-server", bootstrapServer, "--list"}))); + } + + public void assertInitializeInvalidOptionsExitCode(int expected, String[] options) { Review Comment: Done. -- This is an automated message from the Apache Git Service. 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