SCT-12 Creates the SCSt sink that can launch tasks.

resolves  spring-cloud/spring-cloud-task#12

spring-cloud-task-samples/tasksink/src/test/java/io/spring/TaskSinkApplicationTests.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2016 the original author or 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 io.spring;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import io.spring.configuration.TaskSinkConfiguration;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.cloud.deployer.spi.task.LaunchState;
+import org.springframework.cloud.stream.annotation.Bindings;
+import org.springframework.cloud.stream.messaging.Sink;
+import org.springframework.cloud.task.launcher.TaskLaunchRequest;
+import org.springframework.cloud.task.launcher.TaskLauncherSink;
+import org.springframework.context.ApplicationContext;
+import org.springframework.messaging.support.GenericMessage;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * @author Glenn Renfro
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = TaskSinkApplication.class)
+public class TaskSinkApplicationTests {
+
+	@Autowired
+	ApplicationContext context;
+
+	@Autowired
+	@Bindings(TaskLauncherSink.class)
+	private Sink sink;
+
+	@Test
+	public void testLaunch() {
+		assertNotNull(this.sink.input());
+
+		TaskSinkConfiguration.TestTaskLauncher testTaskLauncher =
+				(TaskSinkConfiguration.TestTaskLauncher) context.getBean(TaskSinkConfiguration.TestTaskLauncher.class);
+
+		Map<String, String> properties = new HashMap();
+		properties.put("server.port", "0");
+		TaskLaunchRequest request = new TaskLaunchRequest("timestamp-task",
+				"org.springframework.cloud.task.module","1.0.0.BUILD-SNAPSHOT", "jar",
+				"exec", properties);
+		GenericMessage<TaskLaunchRequest> message = new GenericMessage<TaskLaunchRequest>(request);
+		this.sink.input().send(message);
+		assertEquals(LaunchState.complete, testTaskLauncher.status("TESTSTATUS").getState());
+	}
+}

spring-cloud-task-samples/tasksink/src/test/java/io/spring/configuration/TaskSinkConfiguration.java

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+/*
+ * Copyright 2016 the original author or 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 io.spring.configuration;
+
+import org.springframework.cloud.deployer.spi.core.AppDeploymentRequest;
+import org.springframework.cloud.deployer.spi.task.LaunchState;
+import org.springframework.cloud.deployer.spi.task.TaskLauncher;
+import org.springframework.cloud.deployer.spi.task.TaskStatus;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author Glenn Renfro
+ */
+@Configuration
+public class TaskSinkConfiguration {
+
+	@Bean
+	public TaskLauncher taskLauncher() {
+		return new TestTaskLauncher();
+	}
+
+	public class TestTaskLauncher implements TaskLauncher {
+
+		public static final String LAUNCH_ID = "TEST_LAUNCH_ID";
+
+		private LaunchState state = LaunchState.unknown;
+
+		@Override
+		public String launch(AppDeploymentRequest request) {
+			state = LaunchState.complete;
+			return null;
+		}
+
+		@Override
+		public void cancel(String id) {
+
+		}
+
+		@Override
+		public TaskStatus status(String id) {
+			String taskLaunchId = LAUNCH_ID;
+			TaskStatus taskStatus = new TaskStatus(taskLaunchId, state, null);
+			return taskStatus;
+		}
+	}
+
+}