Introduced MockFolder for testing.

test/src/main/java/org/jvnet/hudson/test/JenkinsRule.java

@@ -739,6 +739,14 @@ public class JenkinsRule implements TestRule, MethodRule, RootAction {
         return jenkins.createProject(MavenModuleSet.class,name);
     }
 
+    /**
+     * Creates a simple folder that other jobs can be placed in.
+     * @since 1.494
+     */
+    public MockFolder createFolder(String name) throws IOException {
+        return jenkins.createProject(MockFolder.class, name);
+    }
+
     protected String createUniqueProjectName() {
         return "test"+jenkins.getItems().size();
     }

test/src/main/java/org/jvnet/hudson/test/MockFolder.java

+/*
+ * The MIT License
+ *
+ * Copyright 2012 Jesse Glick.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package org.jvnet.hudson.test;
+
+import hudson.Extension;
+import hudson.model.AbstractItem;
+import hudson.model.FreeStyleProject;
+import hudson.model.Item;
+import hudson.model.ItemGroup;
+import hudson.model.ItemGroupMixIn;
+import hudson.model.Job;
+import hudson.model.TopLevelItem;
+import hudson.model.TopLevelItemDescriptor;
+import hudson.util.Function1;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+import javax.servlet.ServletException;
+import jenkins.model.Jenkins;
+import jenkins.model.ModifiableTopLevelItemGroup;
+import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerResponse;
+
+/**
+ * Minimal implementation of a modifiable item group akin to the CloudBees Folders plugin.
+ * No UI, just enough implementation to test functionality of code which should deal with item full names, etc.
+ * @since 1.494
+ */
+@SuppressWarnings({"unchecked", "rawtypes"}) // the usual API mistakes
+public class MockFolder extends AbstractItem implements ModifiableTopLevelItemGroup, TopLevelItem { // could be a ViewGroup too
+
+    private transient Map<String,TopLevelItem> items = new TreeMap<String,TopLevelItem>();
+
+    private MockFolder(ItemGroup parent, String name) {
+        super(parent, name);
+    }
+
+    @Override public void onLoad(ItemGroup<? extends Item> parent, String name) throws IOException {
+        super.onLoad(parent, name);
+        items = ItemGroupMixIn.loadChildren(this, jobs(), new Function1<String,TopLevelItem>() {
+            public String call(TopLevelItem item) {
+               return item.getName();
+            }
+        });
+    }
+
+    @Override public Collection<TopLevelItem> getItems() {
+        return items.values(); // could be filtered by Item.READ
+    }
+
+    @Override public TopLevelItem getItem(String name) {
+        return items.get(name);
+    }
+
+    @Override public Collection<? extends Job> getAllJobs() {
+        Set<Job> jobs = new HashSet<Job>();
+        for (TopLevelItem i : getItems()) {
+            jobs.addAll(i.getAllJobs());
+        }
+        return jobs;
+    }
+    
+    private File jobs() {
+        return new File(getRootDir(), "jobs");
+    }
+
+    private ItemGroupMixIn mixin() {
+        return new ItemGroupMixIn(this, this) {
+            @Override protected void add(TopLevelItem item) {
+                items.put(item.getName(), item);
+            }
+            @Override protected File getRootDirFor(String name) {
+                return new File(jobs(), name);
+            }
+        };
+    }
+
+    @Override public <T extends TopLevelItem> T copy(T src, String name) throws IOException {
+        return mixin().copy(src, name);
+    }
+
+    @Override public TopLevelItem createProjectFromXML(String name, InputStream xml) throws IOException {
+        return mixin().createProjectFromXML(name, xml);
+    }
+
+    @Override public TopLevelItem createProject(TopLevelItemDescriptor type, String name, boolean notify) throws IOException {
+        return mixin().createProject(type, name, notify);
+    }
+
+    /** Convenience method to create a {@link FreeStyleProject} or similar. */
+    public <T extends TopLevelItem> T createProject(Class<T> type, String name) throws IOException {
+        return type.cast(createProject((TopLevelItemDescriptor) Jenkins.getInstance().getDescriptor(type), name, true));
+    }
+
+    @Override public TopLevelItem doCreateItem(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
+        return mixin().createTopLevelItem(req, rsp);
+    }
+
+    @Override public String getUrlChildPrefix() {
+        return "job";
+    }
+
+    @Override public File getRootDirFor(TopLevelItem child) {
+        return new File(jobs(), child.getName());
+    }
+
+    @Override public void onRenamed(TopLevelItem item, String oldName, String newName) throws IOException {
+        items.remove(oldName);
+        items.put(newName, item);
+    }
+
+    @Override public void onDeleted(TopLevelItem item) throws IOException {
+        // could call ItemListener.onDeleted
+        items.remove(item.getName());
+    }
+
+    @Override public TopLevelItemDescriptor getDescriptor() {
+        return Jenkins.getInstance().getDescriptorByType(DescriptorImpl.class);
+    }
+
+    @Extension public static class DescriptorImpl extends TopLevelItemDescriptor {
+
+        @Override public String getDisplayName() {
+            return "MockFolder";
+        }
+
+        @Override public TopLevelItem newInstance(ItemGroup parent, String name) {
+            return new MockFolder(parent, name);
+        }
+
+    }
+
+}

test/src/test/java/org/jvnet/hudson/test/MockFolderTest.java

+/*
+ * The MIT License
+ *
+ * Copyright 2012 Jesse Glick.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package org.jvnet.hudson.test;
+
+import hudson.model.FreeStyleProject;
+import org.junit.Test;
+import static org.junit.Assert.*;
+import org.junit.Rule;
+
+public class MockFolderTest {
+    
+    @Rule public JenkinsRule j = new JenkinsRule();
+
+    @Test public void basics() throws Exception {
+        MockFolder dir = j.createFolder("dir");
+        FreeStyleProject p = dir.createProject(FreeStyleProject.class, "p");
+        assertEquals("dir/p", p.getFullName());
+    }
+
+}