Re: [JGIT PATCH 8/8] Define a basic merge API, and a two-way tree merge strategy

[Robin Rosenberg <robin.rosenberg@dewire.com>]

Hi, Shawn

Shouldn't testTrivialTwoWay_disjointhistories()  work?

The two trees have nothing in common and so should be trivially mergeable.

-- robin

>From cef2695431e368da616a1e9c8de3e5e419854a4c Mon Sep 17 00:00:00 2001
From: Robin Rosenberg <robin.rosenberg@dewire.com>
Date: Thu, 23 Oct 2008 23:09:10 +0200
Subject: [EGIT PATCH] Simple merge test

---
 .../org/spearce/jgit/merge/SimpleMergeTest.java    |   28 ++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
 create mode 100644 org.spearce.jgit.test/tst/org/spearce/jgit/merge/SimpleMergeTest.java

diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/merge/SimpleMergeTest.java b/org.spearce.jgit.test/tst/org/spearce/jgit/merge/SimpleMergeTest.java
new file mode 100644
index 0000000..8ec1c7f
--- /dev/null
+++ b/org.spearce.jgit.test/tst/org/spearce/jgit/merge/SimpleMergeTest.java
@@ -0,0 +1,28 @@
+package org.spearce.jgit.merge;
+
+import java.io.IOException;
+
+import org.spearce.jgit.lib.ObjectId;
+import org.spearce.jgit.lib.RepositoryTestCase;
+
+public class SimpleMergeTest extends RepositoryTestCase {
+
+	public void testTrivialTwoWay_noway() throws IOException {
+		Merger ourMerger = MergeStrategy.SIMPLE_TWO_WAY_IN_CORE.newMerger(db);
+		boolean merge = ourMerger.merge(new ObjectId[] { db.resolve("a"), db.resolve("c") });
+		assertFalse(merge);
+	}
+
+	public void testTrivialTwoWay_disjointhistories() throws IOException {
+		Merger ourMerger = MergeStrategy.SIMPLE_TWO_WAY_IN_CORE.newMerger(db);
+		boolean merge = ourMerger.merge(new ObjectId[] { db.resolve("a"), db.resolve("c~4") });
+		assertTrue(merge); 
+	}
+
+	public void testTrivialTwoWay_ok() throws IOException {
+		Merger ourMerger = MergeStrategy.SIMPLE_TWO_WAY_IN_CORE.newMerger(db);
+		boolean merge = ourMerger.merge(new ObjectId[] { db.resolve("a^0^0^0"), db.resolve("a^0^0^1") });
+		assertTrue(merge);
+		assertEquals(db.mapTree("a^0^0").getId(), ourMerger.getResultTreeId());
+	}
+}
-- 
1.6.0.2.308.gef4a