Define a utility class for handling Git date formats

Besides the formats known by git-log(1) we also add "locale" 
and "localelocal" that formats dates according to the user's locale.
"locale" does not translate into local timezone, while
localelocal does.

Change-Id: I1c088dcec992c107e43f6c17be4ac9ed6eb428bf

1 files changed, 126 insertions, 0 deletions

diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/GitDateFormatterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/GitDateFormatterTest.java
new file mode 100644
index 0000000000..a818107f66
--- /dev/null
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/GitDateFormatterTest.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2011, Robin Rosenberg
+ * 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.util;
+
+import static org.junit.Assert.assertEquals;
+
+import org.eclipse.jgit.junit.MockSystemReader;
+import org.eclipse.jgit.lib.PersonIdent;
+import org.eclipse.jgit.util.GitDateFormatter.Format;
+import org.junit.Before;
+import org.junit.Test;
+
+public class GitDateFormatterTest {
+
+	private MockSystemReader mockSystemReader;
+
+	private PersonIdent ident;
+
+	@Before
+	public void setUp() {
+		mockSystemReader = new MockSystemReader() {
+			@Override
+			public long getCurrentTime() {
+				return 1318125997291L;
+			}
+		};
+		SystemReader.setInstance(mockSystemReader);
+		ident = RawParseUtils
+				.parsePersonIdent("A U Thor <author@example.com> 1316560165 -0400");
+	}
+
+	@Test
+	public void DEFAULT() {
+		assertEquals("Tue Sep 20 19:09:25 2011 -0400", new GitDateFormatter(
+				Format.DEFAULT).formatDate(ident));
+	}
+
+	@Test
+	public void RELATIVE() {
+		assertEquals("3 weeks ago",
+				new GitDateFormatter(Format.RELATIVE).formatDate(ident));
+	}
+
+	@Test
+	public void LOCAL() {
+		assertEquals("Tue Sep 20 19:39:25 2011", new GitDateFormatter(
+				Format.LOCAL).formatDate(ident));
+	}
+
+	@Test
+	public void ISO() {
+		assertEquals("2011-09-20 19:09:25 -0400", new GitDateFormatter(
+				Format.ISO).formatDate(ident));
+	}
+
+	@Test
+	public void RFC() {
+		assertEquals("Tue, 20 Sep 2011 19:09:25 -0400", new GitDateFormatter(
+				Format.RFC).formatDate(ident));
+	}
+
+	@Test
+	public void SHORT() {
+		assertEquals("2011-09-20",
+				new GitDateFormatter(Format.SHORT).formatDate(ident));
+	}
+
+	@Test
+	public void RAW() {
+		assertEquals("1316560165 -0400",
+				new GitDateFormatter(Format.RAW).formatDate(ident));
+	}
+
+	@Test
+	public void LOCALE() {
+		assertEquals("Sep 20, 2011 7:09:25 PM -0400", new GitDateFormatter(
+				Format.LOCALE).formatDate(ident));
+	}
+
+	@Test
+	public void LOCALELOCAL() {
+		assertEquals("Sep 20, 2011 7:39:25 PM", new GitDateFormatter(
+				Format.LOCALELOCAL).formatDate(ident));
+	}
+}