Add test for FolderBasedJobInclusionStrategy class

src/test/java/jenkins/advancedqueue/jobinclusion/strategy/FolderBasedJobInclusionStrategyTest.java

@@ -0,0 +1,120 @@
+package jenkins.advancedqueue.jobinclusion.strategy;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import com.cloudbees.hudson.plugins.folder.Folder;
+import hudson.model.FreeStyleProject;
+import hudson.util.ListBoxModel;
+import java.util.ArrayList;
+import java.util.List;
+import jenkins.advancedqueue.DecisionLogger;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.jvnet.hudson.test.JenkinsRule;
+
+public class FolderBasedJobInclusionStrategyTest {
+
+    @ClassRule
+    public static JenkinsRule j = new JenkinsRule();
+
+    private static FolderBasedJobInclusionStrategy strategy;
+    private static DecisionLogger decisionLogger;
+    private static List<String> loggedMessages;
+
+    @BeforeClass
+    public static void createStrategy() throws Exception {
+        strategy = new FolderBasedJobInclusionStrategy("testFolder");
+    }
+
+    @BeforeClass
+    public static void createDecisionLogger() throws Exception {
+        decisionLogger = new DecisionLogger() {
+            @Override
+            public DecisionLogger addDecisionLog(int indent, String log) {
+                loggedMessages.add(log);
+                return this;
+            }
+        };
+    }
+
+    @Before
+    public void clearLoggedMessages() throws Exception {
+        loggedMessages = new ArrayList<>();
+    }
+
+    @After
+    public void checkLoggedMessages() throws Exception {
+        assertThat(loggedMessages, is(empty()));
+    }
+
+    @Test
+    public void getDescriptor() {
+        assertNotNull(strategy.getDescriptor());
+        assertTrue(
+                strategy.getDescriptor()
+                        instanceof FolderBasedJobInclusionStrategy.FolderBasedJobInclusionStrategyDescriptor);
+    }
+
+    @Test
+    public void all() {
+        assertFalse(FolderBasedJobInclusionStrategy.all().isEmpty());
+    }
+
+    @Test
+    public void getFolderName() {
+        assertEquals("testFolder", strategy.getFolderName());
+    }
+
+    @Test
+    public void contains() throws Exception {
+        FreeStyleProject project = this.j.createFreeStyleProject("testFolder_jobName");
+
+        assertTrue(strategy.contains(decisionLogger, project));
+    }
+
+    @Test
+    public void containsReturnsFalseForJobNotInFolder() throws Exception {
+        FreeStyleProject project = j.createFreeStyleProject("otherFolder_jobName");
+
+        assertFalse(strategy.contains(decisionLogger, project));
+    }
+
+    @Test
+    public void containsReturnsTrueForJobInSubFolder() throws Exception {
+        FreeStyleProject project = j.createFreeStyleProject("testFolder_subFolder_jobName");
+
+        assertTrue(strategy.contains(decisionLogger, project));
+    }
+
+    @Test
+    public void getListFolderItemsReturnsNonNullListBoxModel() {
+        FolderBasedJobInclusionStrategy.FolderBasedJobInclusionStrategyDescriptor descriptor =
+                new FolderBasedJobInclusionStrategy.FolderBasedJobInclusionStrategyDescriptor();
+        ListBoxModel items = descriptor.getListFolderItems();
+        assertNotNull(items);
+    }
+
+    @Test
+    public void getListFolderItemsReturnsCorrectFolderNames() throws Exception {
+
+        j.jenkins.createProject(Folder.class, "folder1");
+        j.jenkins.createProject(Folder.class, "folder2");
+
+        FolderBasedJobInclusionStrategy.FolderBasedJobInclusionStrategyDescriptor descriptor =
+                new FolderBasedJobInclusionStrategy.FolderBasedJobInclusionStrategyDescriptor();
+        ListBoxModel items = descriptor.getListFolderItems();
+
+        assertEquals(2, items.size());
+        assertEquals("folder1", items.get(0).name);
+        assertEquals("folder2", items.get(1).name);
+    }
+}