[pgm] Implement clone using CloneCommand

Change-Id: I56699b7bf9a71f673cb308d3015f51de5b06c1d9
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

1 files changed, 136 insertions, 0 deletions

diff --git a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CloneTest.java b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CloneTest.java
new file mode 100644
index 0000000000..c65e162384
--- /dev/null
+++ b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CloneTest.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2014 Matthias Sohn <matthias.sohn@sap.com>
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * 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 the Eclipse Foundation, Inc. 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 OWNER 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 org.eclipse.jgit.pgm;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+
+import java.io.File;
+import java.util.List;
+
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.junit.JGitTestUtil;
+import org.eclipse.jgit.junit.MockSystemReader;
+import org.eclipse.jgit.lib.CLIRepositoryTestCase;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.transport.URIish;
+import org.eclipse.jgit.util.SystemReader;
+import org.junit.Before;
+import org.junit.Test;
+
+public class CloneTest extends CLIRepositoryTestCase {
+
+	private Git git;
+
+	@Override
+	@Before
+	public void setUp() throws Exception {
+		super.setUp();
+		git = new Git(db);
+	}
+
+	@Test
+	public void testClone() throws Exception {
+		createInitialCommit();
+
+		File gitDir = db.getDirectory();
+		String sourceURI = gitDir.toURI().toString();
+		File target = createTempDirectory("target");
+		StringBuilder cmd = new StringBuilder("git clone ").append(sourceURI
+				+ " " + target.getPath());
+		String[] result = execute(cmd.toString());
+		assertArrayEquals(new String[] {
+				"Cloning into '" + target.getPath() + "'...",
+						"", "" }, result);
+
+		Git git2 = Git.open(target);
+		List<Ref> branches = git2.branchList().call();
+		assertEquals("expected 1 branch", 1, branches.size());
+	}
+
+	private void createInitialCommit() throws Exception {
+		JGitTestUtil.writeTrashFile(db, "hello.txt", "world");
+		git.add().addFilepattern("hello.txt").call();
+		git.commit().setMessage("Initial commit").call();
+	}
+
+	@Test
+	public void testCloneEmpty() throws Exception {
+		File gitDir = db.getDirectory();
+		String sourceURI = gitDir.toURI().toString();
+		File target = createTempDirectory("target");
+		StringBuilder cmd = new StringBuilder("git clone ").append(sourceURI
+				+ " " + target.getPath());
+		String[] result = execute(cmd.toString());
+		assertArrayEquals(new String[] {
+				"Cloning into '" + target.getPath() + "'...",
+				"warning: You appear to have cloned an empty repository.", "",
+				"" }, result);
+
+		Git git2 = Git.open(target);
+		List<Ref> branches = git2.branchList().call();
+		assertEquals("expected 0 branch", 0, branches.size());
+	}
+
+	@Test
+	public void testCloneIntoCurrentDir() throws Exception {
+		createInitialCommit();
+		File target = createTempDirectory("target");
+
+		MockSystemReader sr = (MockSystemReader) SystemReader.getInstance();
+		sr.setProperty(Constants.OS_USER_DIR, target.getAbsolutePath());
+
+		File gitDir = db.getDirectory();
+		String sourceURI = gitDir.toURI().toString();
+		String name = new URIish(sourceURI).getHumanishName();
+		StringBuilder cmd = new StringBuilder("git clone ").append(sourceURI);
+		String[] result = execute(cmd.toString());
+		assertArrayEquals(new String[] {
+				"Cloning into '" + new File(target, name).getName() + "'...",
+				"", "" }, result);
+		Git git2 = Git.open(new File(target, name));
+		List<Ref> branches = git2.branchList().call();
+		assertEquals("expected 1 branch", 1, branches.size());
+	}
+}