[JGIT PATCH 3/4] Added test for RefUpdate branch deletion

[Charles O'Farrell <charleso@charleso.org>]

Signed-off-by: Charles O'Farrell <charleso@charleso.org>
---
 .../tst/org/spearce/jgit/lib/RefUpdateTest.java    |  106 ++++++++++++++++++++
 1 files changed, 106 insertions(+), 0 deletions(-)
 create mode 100644 org.spearce.jgit.test/tst/org/spearce/jgit/lib/RefUpdateTest.java

diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/RefUpdateTest.java b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/RefUpdateTest.java
new file mode 100644
index 0000000..62a60c3
--- /dev/null
+++ b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/RefUpdateTest.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2008, Charles O'Farrell <charleso@charleso.org>
+ *
+ * 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 Git Development Community 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.spearce.jgit.lib;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.spearce.jgit.lib.RefUpdate.Result;
+
+public class RefUpdateTest extends RepositoryTestCase {
+
+	private RefUpdate updateRef(final String name) throws IOException {
+		final RefUpdate ref = db.updateRef(name);
+		ref.setNewObjectId(db.resolve(Constants.HEAD));
+		return ref;
+	}
+
+	private void delete(final RefUpdate ref, final Result expected)
+			throws IOException {
+		delete(ref, expected, true, true);
+	}
+
+	private void delete(final RefUpdate ref, final Result expected,
+			final boolean exists, final boolean removed) throws IOException {
+		assertEquals(exists, db.getAllRefs().containsKey(ref.getName()));
+		assertEquals(expected, ref.delete());
+		assertEquals(!removed, db.getAllRefs().containsKey(ref.getName()));
+	}
+
+	public void testLooseDelete() throws IOException {
+		final String newRef = "refs/heads/abc";
+		RefUpdate ref = updateRef(newRef);
+		ref.update(); // create loose ref
+		ref = updateRef(newRef); // refresh
+		delete(ref, Result.NO_CHANGE);
+	}
+
+	public void testDeleteHead() throws IOException {
+		final RefUpdate ref = updateRef(Constants.HEAD);
+		delete(ref, Result.NOT_ATTEMPTED, true, false);
+	}
+
+	public void testLogDeleted() throws IOException {
+		final File log = new File(db.getDirectory(), Constants.LOGS
+				+ "/refs/heads/a");
+		log.getParentFile().mkdirs();
+		log.createNewFile();
+		assertTrue(log.exists());
+		final RefUpdate ref = updateRef("refs/heads/a");
+		delete(ref, Result.FAST_FORWARD);
+		assertFalse(log.exists());
+	}
+
+	public void testDeleteNotFound() throws IOException {
+		final RefUpdate ref = updateRef("refs/heads/xyz");
+		delete(ref, Result.NEW, false, true);
+	}
+
+	public void testDeleteFastForward() throws IOException {
+		final RefUpdate ref = updateRef("refs/heads/a");
+		delete(ref, Result.FAST_FORWARD);
+	}
+
+	public void testDeleteForce() throws IOException {
+		final RefUpdate ref = db.updateRef("refs/heads/b");
+		ref.setNewObjectId(db.resolve("refs/heads/a"));
+		delete(ref, Result.REJECTED, true, false);
+		ref.setForceUpdate(true);
+		delete(ref, Result.FORCED);
+	}
+}
-- 
1.6.0.49.gea35