Added tests for the Joke module.

src/main/java/net/thauvin/erik/mobibot/modules/Joke.java

@@ -32,6 +32,8 @@
 package net.thauvin.erik.mobibot.modules;
 
 import net.thauvin.erik.mobibot.Mobibot;
+import net.thauvin.erik.mobibot.msg.Message;
+import net.thauvin.erik.mobibot.msg.PublicMessage;
 import org.jibble.pircbot.Colors;
 import org.json.JSONObject;
 
@@ -65,6 +67,37 @@ public final class Joke extends AbstractModule {
         commands.add(JOKE_CMD);
     }
 
+    /**
+     * Retrieves a random joke.
+     *
+     * @return The new joke.
+     */
+    static Message randomJoke() throws ModuleException {
+        try {
+            final URL url = new URL(JOKE_URL);
+            final URLConnection conn = url.openConnection();
+
+            final StringBuilder sb = new StringBuilder();
+            try (final BufferedReader reader =
+                     new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8))) {
+                String line;
+                while ((line = reader.readLine()) != null) {
+                    sb.append(line);
+                }
+
+                final JSONObject json = new JSONObject(sb.toString());
+
+                return new PublicMessage(
+                    Colors.CYAN
+                        + json.getJSONObject("value").get("joke").toString().replaceAll("\\'", "'")
+                        .replaceAll("\\\"", "\"")
+                        + Colors.NORMAL);
+            }
+        } catch (Exception e) {
+            throw new ModuleException("An error has occurred retrieving a random joke.", e);
+        }
+    }
+
     /**
      * {@inheritDoc}
      */
@@ -87,28 +120,10 @@ public final class Joke extends AbstractModule {
      */
     private void run(final Mobibot bot, final String sender) {
         try {
-            final URL url = new URL(JOKE_URL);
-            final URLConnection conn = url.openConnection();
-
-            final StringBuilder sb = new StringBuilder();
-            try (final BufferedReader reader =
-                     new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8))) {
-                String line;
-                while ((line = reader.readLine()) != null) {
-                    sb.append(line);
-                }
-
-                final JSONObject json = new JSONObject(sb.toString());
-
-                bot.send(bot.getChannel(),
-                    Colors.CYAN
-                        + json.getJSONObject("value").get("joke").toString().replaceAll("\\'", "'")
-                        .replaceAll("\\\"", "\"")
-                        + Colors.NORMAL);
-            }
-        } catch (Exception e) {
-            bot.getLogger().warn("Unable to retrieve random joke.", e);
-            bot.send(sender, "An error has occurred retrieving a random joke: " + e.getMessage());
+            randomJoke();
+        } catch (ModuleException e) {
+            bot.getLogger().warn(e.getMessage(), e);
+            bot.send(sender, e.getMessage());
         }
     }
 }

src/test/java/net/thauvin/erik/mobibot/modules/JokeTest.java

@@ -0,0 +1,55 @@
+/*
+ * JokeTest.java
+ *
+ * Copyright (c) 2004-2019, Erik C. Thauvin (erik@thauvin.net)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ *   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.
+ *
+ *   Neither the name of this project 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 net.thauvin.erik.mobibot.modules;
+
+import org.testng.annotations.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * The <code>JokeTest</code> class.
+ *
+ * @author <a href="https://erik.thauvin.net/" target="_blank">Erik C. Thauvin</a>
+ * @created 2019-04-07
+ * @since 1.0
+ */
+public class JokeTest {
+    @Test
+    public void testLookupImpl() {
+        AbstractModuleTest.testAbstractModule(new Joke());
+    }
+
+    @Test
+    public void testRamdomJoke() throws ModuleException {
+        assertThat(Joke.randomJoke().getMessage().length() > 0).as("randomJoke()").isTrue();
+    }
+}