Merge pull request #3 from myrle-krantz/develop

added helpful examples to template.
diff --git a/api/src/main/java/io/mifos/template/api/v1/EventConstants.java b/api/src/main/java/io/mifos/template/api/v1/events/EventConstants.java
similarity index 95%
rename from api/src/main/java/io/mifos/template/api/v1/EventConstants.java
rename to api/src/main/java/io/mifos/template/api/v1/events/EventConstants.java
index 69b1343..6207c03 100644
--- a/api/src/main/java/io/mifos/template/api/v1/EventConstants.java
+++ b/api/src/main/java/io/mifos/template/api/v1/events/EventConstants.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.mifos.template.api.v1;
+package io.mifos.template.api.v1.events;
 
 @SuppressWarnings("unused")
 public interface EventConstants {
diff --git a/component-test/src/main/java/io/mifos/template/SuiteTestEnvironment.java b/component-test/src/main/java/io/mifos/template/SuiteTestEnvironment.java
new file mode 100644
index 0000000..dd5bfd0
--- /dev/null
+++ b/component-test/src/main/java/io/mifos/template/SuiteTestEnvironment.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2017 The Mifos Initiative.
+ *
+ * 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.mifos.template;
+
+import io.mifos.core.test.env.TestEnvironment;
+import io.mifos.core.test.fixture.cassandra.CassandraInitializer;
+import io.mifos.core.test.fixture.mariadb.MariaDBInitializer;
+import org.junit.ClassRule;
+import org.junit.rules.RuleChain;
+import org.junit.rules.RunExternalResourceOnce;
+import org.junit.rules.TestRule;
+
+/**
+ * This contains the database resources required by the test.  They are in a separate
+ * class so that the test suite can initialize them before the classes it calls. This
+ * makes test runs faster and prevents tests from "stepping on each other's toes" when
+ * initializing and de-initializing external resources.
+ */
+public class SuiteTestEnvironment {
+  static final String APP_NAME = "template-v1";
+  static final TestEnvironment testEnvironment = new TestEnvironment(APP_NAME);
+  static final CassandraInitializer cassandraInitializer = new CassandraInitializer();
+  static final MariaDBInitializer mariaDBInitializer = new MariaDBInitializer();
+
+  @ClassRule
+  public static TestRule orderClassRules = RuleChain
+      .outerRule(new RunExternalResourceOnce(testEnvironment))
+      .around(new RunExternalResourceOnce(cassandraInitializer))
+      .around(new RunExternalResourceOnce(mariaDBInitializer));
+}
diff --git a/component-test/src/main/java/io/mifos/template/TestSample.java b/component-test/src/main/java/io/mifos/template/TestSample.java
index b829355..924512b 100644
--- a/component-test/src/main/java/io/mifos/template/TestSample.java
+++ b/component-test/src/main/java/io/mifos/template/TestSample.java
@@ -17,24 +17,20 @@
 
 import io.mifos.anubis.test.v1.TenantApplicationSecurityEnvironmentTestRule;
 import io.mifos.core.api.context.AutoUserContext;
-import io.mifos.core.test.env.TestEnvironment;
 import io.mifos.core.test.fixture.TenantDataStoreContextTestRule;
-import io.mifos.core.test.fixture.cassandra.CassandraInitializer;
-import io.mifos.core.test.fixture.mariadb.MariaDBInitializer;
 import io.mifos.core.test.listener.EnableEventRecording;
 import io.mifos.core.test.listener.EventRecorder;
-import io.mifos.template.api.v1.EventConstants;
+import io.mifos.template.api.v1.events.EventConstants;
 import io.mifos.template.api.v1.client.TemplateManager;
 import io.mifos.template.api.v1.domain.Sample;
 import io.mifos.template.service.TemplateConfiguration;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.junit.*;
-import org.junit.rules.RuleChain;
-import org.junit.rules.TestRule;
 import org.junit.runner.RunWith;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.cloud.netflix.feign.EnableFeignClients;
 import org.springframework.cloud.netflix.ribbon.RibbonClient;
@@ -48,9 +44,10 @@
 
 @RunWith(SpringRunner.class)
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
-public class TestSample {
+public class TestSample extends SuiteTestEnvironment {
+  private static final String LOGGER_NAME = "test-logger";
+  private static final String TEST_USER = "homer";
 
-  private static final String APP_NAME = "template-v1";
 
   @Configuration
   @EnableEventRecording
@@ -63,24 +60,14 @@
       super();
     }
 
-    @Bean()
+    @Bean(name = LOGGER_NAME)
     public Logger logger() {
-      return LoggerFactory.getLogger("test-logger");
+      return LoggerFactory.getLogger(LOGGER_NAME);
     }
   }
-  private static final String TEST_USER = "homer";
-
-  private final static TestEnvironment testEnvironment = new TestEnvironment(APP_NAME);
-  private final static CassandraInitializer cassandraInitializer = new CassandraInitializer();
-  private final static MariaDBInitializer mariaDBInitializer = new MariaDBInitializer();
-  private final static TenantDataStoreContextTestRule tenantDataStoreContext = TenantDataStoreContextTestRule.forRandomTenantName(cassandraInitializer, mariaDBInitializer);
 
   @ClassRule
-  public static TestRule orderClassRules = RuleChain
-          .outerRule(testEnvironment)
-          .around(cassandraInitializer)
-          .around(mariaDBInitializer)
-          .around(tenantDataStoreContext);
+  public final static TenantDataStoreContextTestRule tenantDataStoreContext = TenantDataStoreContextTestRule.forRandomTenantName(cassandraInitializer, mariaDBInitializer);
 
   @Rule
   public final TenantApplicationSecurityEnvironmentTestRule tenantApplicationSecurityEnvironment
@@ -94,6 +81,11 @@
   @Autowired
   private EventRecorder eventRecorder;
 
+  @SuppressWarnings("WeakerAccess")
+  @Autowired
+  @Qualifier(LOGGER_NAME)
+  Logger logger;
+
   public TestSample() {
     super();
   }
@@ -119,6 +111,7 @@
 
   @Test
   public void shouldCreateSample() throws InterruptedException {
+    logger.info("Running test shouldCreateSample.");
     final Sample sample = Sample.create(RandomStringUtils.randomAlphanumeric(8), RandomStringUtils.randomAlphanumeric(512));
     this.testSubject.createEntity(sample);
 
@@ -130,6 +123,7 @@
 
   @Test
   public void shouldListSamples() {
+    logger.info("Running test shouldListSamples.");
     final List<Sample> allEntities = this.testSubject.findAllEntities();
     Assert.assertNotNull(allEntities);
   }
diff --git a/api/src/main/java/io/mifos/template/api/v1/EventConstants.java b/component-test/src/main/java/io/mifos/template/TestSuite.java
similarity index 60%
copy from api/src/main/java/io/mifos/template/api/v1/EventConstants.java
copy to component-test/src/main/java/io/mifos/template/TestSuite.java
index 69b1343..44ed340 100644
--- a/api/src/main/java/io/mifos/template/api/v1/EventConstants.java
+++ b/component-test/src/main/java/io/mifos/template/TestSuite.java
@@ -13,15 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package io.mifos.template.api.v1;
+package io.mifos.template;
 
-@SuppressWarnings("unused")
-public interface EventConstants {
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
 
-  String DESTINATION = "template-v1";
-  String SELECTOR_NAME = "action";
-  String INITIALIZE = "initialize";
-  String POST_SAMPLE = "post-sample";
-  String SELECTOR_INITIALIZE = SELECTOR_NAME + " = '" + INITIALIZE + "'";
-  String SELECTOR_POST_SAMPLE = SELECTOR_NAME + " = '" + POST_SAMPLE + "'";
+@RunWith(Suite.class)
+@Suite.SuiteClasses({
+    TestSample.class,
+    //TODO: when you create a new component test, add it here so you can run it with the suite.
+})
+public class TestSuite extends SuiteTestEnvironment {
 }
diff --git a/component-test/src/main/java/io/mifos/template/listener/MigrationEventListener.java b/component-test/src/main/java/io/mifos/template/listener/MigrationEventListener.java
index 82408bb..52be53b 100644
--- a/component-test/src/main/java/io/mifos/template/listener/MigrationEventListener.java
+++ b/component-test/src/main/java/io/mifos/template/listener/MigrationEventListener.java
@@ -17,7 +17,7 @@
 
 import io.mifos.core.lang.config.TenantHeaderFilter;
 import io.mifos.core.test.listener.EventRecorder;
-import io.mifos.template.api.v1.EventConstants;
+import io.mifos.template.api.v1.events.EventConstants;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.jms.annotation.JmsListener;
 import org.springframework.messaging.handler.annotation.Header;
diff --git a/component-test/src/main/java/io/mifos/template/listener/SampleEventListener.java b/component-test/src/main/java/io/mifos/template/listener/SampleEventListener.java
index 2e3c2cb..b54a819 100644
--- a/component-test/src/main/java/io/mifos/template/listener/SampleEventListener.java
+++ b/component-test/src/main/java/io/mifos/template/listener/SampleEventListener.java
@@ -17,7 +17,7 @@
 
 import io.mifos.core.lang.config.TenantHeaderFilter;
 import io.mifos.core.test.listener.EventRecorder;
-import io.mifos.template.api.v1.EventConstants;
+import io.mifos.template.api.v1.events.EventConstants;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.jms.annotation.JmsListener;
 import org.springframework.messaging.handler.annotation.Header;
diff --git a/service/src/main/java/io/mifos/template/service/internal/command/InitializeServiceCommand.java b/service/src/main/java/io/mifos/template/service/internal/command/InitializeServiceCommand.java
index db85b9d..e02d2d0 100644
--- a/service/src/main/java/io/mifos/template/service/internal/command/InitializeServiceCommand.java
+++ b/service/src/main/java/io/mifos/template/service/internal/command/InitializeServiceCommand.java
@@ -20,4 +20,9 @@
   public InitializeServiceCommand() {
     super();
   }
+
+  @Override
+  public String toString() {
+    return "InitializeServiceCommand{}";
+  }
 }
diff --git a/service/src/main/java/io/mifos/template/service/internal/command/SampleCommand.java b/service/src/main/java/io/mifos/template/service/internal/command/SampleCommand.java
index 8ee6d92..5957f1b 100644
--- a/service/src/main/java/io/mifos/template/service/internal/command/SampleCommand.java
+++ b/service/src/main/java/io/mifos/template/service/internal/command/SampleCommand.java
@@ -29,4 +29,11 @@
   public Sample sample() {
     return this.sample;
   }
+
+  @Override
+  public String toString() {
+    return "SampleCommand{" +
+        "sample=" + sample.getIdentifier() +
+        '}';
+  }
 }
diff --git a/service/src/main/java/io/mifos/template/service/internal/command/handler/MigrationAggregate.java b/service/src/main/java/io/mifos/template/service/internal/command/handler/MigrationAggregate.java
index e4e3de1..920465a 100644
--- a/service/src/main/java/io/mifos/template/service/internal/command/handler/MigrationAggregate.java
+++ b/service/src/main/java/io/mifos/template/service/internal/command/handler/MigrationAggregate.java
@@ -17,9 +17,10 @@
 
 import io.mifos.core.command.annotation.Aggregate;
 import io.mifos.core.command.annotation.CommandHandler;
+import io.mifos.core.command.annotation.CommandLogLevel;
 import io.mifos.core.command.annotation.EventEmitter;
 import io.mifos.core.mariadb.domain.FlywayFactoryBean;
-import io.mifos.template.api.v1.EventConstants;
+import io.mifos.template.api.v1.events.EventConstants;
 import io.mifos.template.service.ServiceConstants;
 import io.mifos.template.service.internal.command.InitializeServiceCommand;
 import org.slf4j.Logger;
@@ -49,7 +50,7 @@
     this.flywayFactoryBean = flywayFactoryBean;
   }
 
-  @CommandHandler
+  @CommandHandler(logStart = CommandLogLevel.INFO, logFinish = CommandLogLevel.INFO)
   @Transactional
   @EventEmitter(selectorName = EventConstants.SELECTOR_NAME, selectorValue = EventConstants.INITIALIZE)
   public String initialize(final InitializeServiceCommand initializeServiceCommand) {
diff --git a/service/src/main/java/io/mifos/template/service/internal/command/handler/SampleAggregate.java b/service/src/main/java/io/mifos/template/service/internal/command/handler/SampleAggregate.java
index 4de453a..9a7c572 100644
--- a/service/src/main/java/io/mifos/template/service/internal/command/handler/SampleAggregate.java
+++ b/service/src/main/java/io/mifos/template/service/internal/command/handler/SampleAggregate.java
@@ -17,8 +17,9 @@
 
 import io.mifos.core.command.annotation.Aggregate;
 import io.mifos.core.command.annotation.CommandHandler;
+import io.mifos.core.command.annotation.CommandLogLevel;
 import io.mifos.core.command.annotation.EventEmitter;
-import io.mifos.template.api.v1.EventConstants;
+import io.mifos.template.api.v1.events.EventConstants;
 import io.mifos.template.service.internal.command.SampleCommand;
 import io.mifos.template.service.internal.repository.SampleJpaEntity;
 import io.mifos.template.service.internal.repository.SampleJpaEntityRepository;
@@ -37,7 +38,19 @@
     this.sampleJpaEntityRepository = sampleJpaEntityRepository;
   }
 
-  @CommandHandler
+  //TODO: Think about your command handler logging, then delete this comment.
+  // The log levels provided in the command handler cause log messages to be emitted each time this
+  // command handler is called before and after the call. Before the call, the command is logged
+  // using its toString() method, and after the call, the emitted event is logged via its toString()
+  // method.
+  //
+  // If you wish to adjust the information in the log messages, do so via the toString() methods.
+  // Financial transactions, passwords, and customer address data are examples of information which
+  // should not be placed in the logs.
+  //
+  // If a command handler should not emit a log message, change logStart and logFinish to:
+  // CommandLogLevel.NONE.
+  @CommandHandler(logStart = CommandLogLevel.INFO, logFinish = CommandLogLevel.INFO)
   @Transactional
   @EventEmitter(selectorName = EventConstants.SELECTOR_NAME, selectorValue = EventConstants.POST_SAMPLE)
   public String sample(final SampleCommand sampleCommand) {