unit tests and puzzle

src/main/java/com/amihaiemil/charles/github/Tweet.java

@@ -36,6 +36,8 @@
  * @author Mihai Andronache ([email protected])
  * @version $Id$
  * @since 1.0.1
+ * @todo #241:30min Pull out the system proerties, same as was done
+ *  in the aws layer, to simplify the unit tests.
  */
 public final class Tweet extends IntermediaryStep {
 

src/test/java/com/amihaiemil/charles/github/TweetTestCase.java

@@ -0,0 +1,80 @@
+/**
+ * Copyright (c) 2016-2017, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  1)Redistributions of source code must retain the above copyright notice,
+ *  this list of conditions and the following disclaimer.
+ *  2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *  3)Neither the name of charles-rest nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.amihaiemil.charles.github;
+
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.slf4j.Logger;
+
+/**
+ * Unit tests for {@link Tweet}
+ * @author Mihai Andronache ([email protected])
+ * @version $Id$
+ * @since 1.0.1
+ */
+public final class TweetTestCase {
+
+	/**
+	 * Tweet will log a message informing the commander that tweeting is off
+	 * and can be enabled via .charles.yml
+	 * @throws Exception If something goes wrong.
+	 */
+	@Test
+	public void logsWhenTweetingIsOff() throws Exception {
+		final Command com = Mockito.mock(Command.class);
+		final CachedRepo repo = Mockito.mock(CachedRepo.class);
+		Mockito.when(repo.charlesYml()).thenReturn(new CharlesYml.Default());
+		Mockito.when(com.repo()).thenReturn(repo);
+
+		final Logger logger = Mockito.mock(Logger.class);
+
+		final Step tweet = new Tweet(new Step.Fake(true));
+		tweet.perform(com, logger);
+		Mockito.verify(logger).info("Tweeting is disabled, won't tweet. You can enable tweeting via .charles.yml file.");
+	}
+
+	/**
+	 * Tweet will log a message informing the commander that tweeting is not possible because some
+	 * mandatory system properties are not set,
+	 * @throws Exception If something goes wrong.
+	 */
+	@Test
+	public void logsWhenSysPropsAreMissing() throws Exception {
+		final Command com = Mockito.mock(Command.class);
+		final CachedRepo repo = Mockito.mock(CachedRepo.class);
+		final CharlesYml yml = Mockito.mock(CharlesYml.class);
+		Mockito.when(yml.tweet()).thenReturn(true);
+		Mockito.when(repo.charlesYml()).thenReturn(yml);
+		Mockito.when(com.repo()).thenReturn(repo);
+
+		final Logger logger = Mockito.mock(Logger.class);
+
+		final Step tweet = new Tweet(new Step.Fake(true));
+		tweet.perform(com, logger);
+		Mockito.verify(logger).warn("One of the 4 tweeter system properties is missing! Cannot tweet!");
+	}
+
+}