🧪 #44 Add integration test for GetConnectorNamesCommand

src/main/java/org/kcctl/command/ConnectorNamesCompletionCandidateCommand.java

@@ -24,12 +24,21 @@
 import org.kcctl.util.ConfigurationContext;
 
 import picocli.CommandLine.Command;
+import picocli.CommandLine.Model.CommandSpec;
+import picocli.CommandLine.Spec;
 
 @Command(name = "connector-name-completions", hidden = true)
 public class ConnectorNamesCompletionCandidateCommand implements Runnable {
 
+    private final ConfigurationContext context;
+
+    @Spec
+    private CommandSpec spec;
+
     @Inject
-    ConfigurationContext context;
+    public ConnectorNamesCompletionCandidateCommand(ConfigurationContext context) {
+        this.context = context;
+    }
 
     @Override
     public void run() {
@@ -38,6 +47,6 @@ public void run() {
                 .build(KafkaConnectApi.class);
 
         List<String> connectors = kafkaConnectApi.getConnectors();
-        System.out.println(String.join(" ", connectors));
+        spec.commandLine().getOut().println(String.join(" ", connectors));
     }
 }

src/test/java/org/kcctl/command/ConnectorNamesCompletionCandidateCommandTest.java

@@ -0,0 +1,47 @@
+/*
+ *  Copyright 2021 The original authors
+ *
+ *  Licensed 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.kcctl.command;
+
+import org.junit.jupiter.api.DisplayNameGeneration;
+import org.junit.jupiter.api.DisplayNameGenerator.ReplaceUnderscores;
+import org.junit.jupiter.api.Test;
+import org.kcctl.IntegrationTest;
+import org.kcctl.support.InjectCommandContext;
+import org.kcctl.support.KcctlCommandContext;
+
+import io.quarkus.test.junit.QuarkusTest;
+import picocli.CommandLine;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@QuarkusTest
+@DisplayNameGeneration(ReplaceUnderscores.class)
+class ConnectorNamesCompletionCandidateCommandTest extends IntegrationTest {
+
+    @InjectCommandContext
+    KcctlCommandContext<ConnectorNamesCompletionCandidateCommand> context;
+
+    @Test
+    public void should_print_connector_names() {
+        registerTestConnector("test1");
+        registerTestConnector("test2");
+
+        int exitCode = context.commandLine().execute();
+        assertThat(exitCode).isEqualTo(CommandLine.ExitCode.OK);
+        assertThat(context.output().toString().trim())
+                .isEqualTo("test1 test2");
+    }
+}