From 1257cfc2626c7ab7e73b5f6f383c986fc8c059c4 Mon Sep 17 00:00:00 2001 From: David Pursehouse Date: Thu, 21 Jan 2016 17:00:15 +0900 Subject: [PATCH] DiffFormatterTest: Create auto-closeable instances in try-with-resource Git, ByteArrayOutputStream, and DiffFormatter are auto-closeable and should be managed in try-with-resource. Change-Id: I83395116acb4b4f7cd4300fd69564355bc07e4bb Signed-off-by: David Pursehouse --- .../eclipse/jgit/diff/DiffFormatterTest.java | 160 +++++++++--------- 1 file changed, 82 insertions(+), 78 deletions(-) diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterTest.java index 24b0f8141e..58fc9454d2 100644 --- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterTest.java +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterTest.java @@ -317,30 +317,31 @@ public class DiffFormatterTest extends RepositoryTestCase { File folder = new File(db.getDirectory().getParent(), "folder"); FileUtils.mkdir(folder); write(new File(folder, "folder.txt"), "folder"); - Git git = new Git(db); - git.add().addFilepattern(".").call(); - git.commit().setMessage("Initial commit").call(); - write(new File(folder, "folder.txt"), "folder change"); - - ByteArrayOutputStream os = new ByteArrayOutputStream(); - DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os)); - dfmt.setRepository(db); - dfmt.setPathFilter(PathFilter.create("folder")); - DirCacheIterator oldTree = new DirCacheIterator(db.readDirCache()); - FileTreeIterator newTree = new FileTreeIterator(db); - dfmt.format(oldTree, newTree); - dfmt.flush(); - - String actual = os.toString("UTF-8"); - String expected = - "diff --git a/folder/folder.txt b/folder/folder.txt\n" - + "index 0119635..95c4c65 100644\n" - + "--- a/folder/folder.txt\n" + "+++ b/folder/folder.txt\n" - + "@@ -1 +1 @@\n" + "-folder\n" - + "\\ No newline at end of file\n" + "+folder change\n" - + "\\ No newline at end of file\n"; - - assertEquals(expected, actual); + try (Git git = new Git(db); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os))) { + git.add().addFilepattern(".").call(); + git.commit().setMessage("Initial commit").call(); + write(new File(folder, "folder.txt"), "folder change"); + dfmt.setRepository(db); + dfmt.setPathFilter(PathFilter.create("folder")); + DirCacheIterator oldTree = new DirCacheIterator(db.readDirCache()); + FileTreeIterator newTree = new FileTreeIterator(db); + + dfmt.format(oldTree, newTree); + dfmt.flush(); + + String actual = os.toString("UTF-8"); + String expected = + "diff --git a/folder/folder.txt b/folder/folder.txt\n" + + "index 0119635..95c4c65 100644\n" + + "--- a/folder/folder.txt\n" + "+++ b/folder/folder.txt\n" + + "@@ -1 +1 @@\n" + "-folder\n" + + "\\ No newline at end of file\n" + "+folder change\n" + + "\\ No newline at end of file\n"; + + assertEquals(expected, actual); + } } @Test @@ -349,29 +350,30 @@ public class DiffFormatterTest extends RepositoryTestCase { File folder = new File(db.getDirectory().getParent(), "folder"); FileUtils.mkdir(folder); write(new File(folder, "folder.txt"), "folder"); - Git git = new Git(db); - git.add().addFilepattern(".").call(); - RevCommit commit = git.commit().setMessage("Initial commit").call(); - write(new File(folder, "folder.txt"), "folder change"); - - ByteArrayOutputStream os = new ByteArrayOutputStream(); - DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os)); - dfmt.setRepository(db); - dfmt.setPathFilter(PathFilter.create("folder")); - dfmt.format(null, commit.getTree().getId()); - dfmt.flush(); - - String actual = os.toString("UTF-8"); - String expected = "diff --git a/folder/folder.txt b/folder/folder.txt\n" - + "new file mode 100644\n" - + "index 0000000..0119635\n" - + "--- /dev/null\n" - + "+++ b/folder/folder.txt\n" - + "@@ -0,0 +1 @@\n" - + "+folder\n" - + "\\ No newline at end of file\n"; - - assertEquals(expected, actual); + try (Git git = new Git(db); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os))) { + git.add().addFilepattern(".").call(); + RevCommit commit = git.commit().setMessage("Initial commit").call(); + write(new File(folder, "folder.txt"), "folder change"); + + dfmt.setRepository(db); + dfmt.setPathFilter(PathFilter.create("folder")); + dfmt.format(null, commit.getTree().getId()); + dfmt.flush(); + + String actual = os.toString("UTF-8"); + String expected = "diff --git a/folder/folder.txt b/folder/folder.txt\n" + + "new file mode 100644\n" + + "index 0000000..0119635\n" + + "--- /dev/null\n" + + "+++ b/folder/folder.txt\n" + + "@@ -0,0 +1 @@\n" + + "+folder\n" + + "\\ No newline at end of file\n"; + + assertEquals(expected, actual); + } } @Test @@ -380,43 +382,45 @@ public class DiffFormatterTest extends RepositoryTestCase { File folder = new File(db.getDirectory().getParent(), "folder"); FileUtils.mkdir(folder); write(new File(folder, "folder.txt"), "folder"); - Git git = new Git(db); - git.add().addFilepattern(".").call(); - RevCommit commit = git.commit().setMessage("Initial commit").call(); - write(new File(folder, "folder.txt"), "folder change"); - - ByteArrayOutputStream os = new ByteArrayOutputStream(); - DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os)); - dfmt.setRepository(db); - dfmt.setPathFilter(PathFilter.create("folder")); - dfmt.format(commit.getTree().getId(), null); - dfmt.flush(); - - String actual = os.toString("UTF-8"); - String expected = "diff --git a/folder/folder.txt b/folder/folder.txt\n" - + "deleted file mode 100644\n" - + "index 0119635..0000000\n" - + "--- a/folder/folder.txt\n" - + "+++ /dev/null\n" - + "@@ -1 +0,0 @@\n" - + "-folder\n" - + "\\ No newline at end of file\n"; - - assertEquals(expected, actual); + try (Git git = new Git(db); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os));) { + git.add().addFilepattern(".").call(); + RevCommit commit = git.commit().setMessage("Initial commit").call(); + write(new File(folder, "folder.txt"), "folder change"); + + dfmt.setRepository(db); + dfmt.setPathFilter(PathFilter.create("folder")); + dfmt.format(commit.getTree().getId(), null); + dfmt.flush(); + + String actual = os.toString("UTF-8"); + String expected = "diff --git a/folder/folder.txt b/folder/folder.txt\n" + + "deleted file mode 100644\n" + + "index 0119635..0000000\n" + + "--- a/folder/folder.txt\n" + + "+++ /dev/null\n" + + "@@ -1 +0,0 @@\n" + + "-folder\n" + + "\\ No newline at end of file\n"; + + assertEquals(expected, actual); + } } @Test public void testDiffNullToNull() throws Exception { - ByteArrayOutputStream os = new ByteArrayOutputStream(); - DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os)); - dfmt.setRepository(db); - dfmt.format((AnyObjectId) null, null); - dfmt.flush(); + try (ByteArrayOutputStream os = new ByteArrayOutputStream(); + DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os))) { + dfmt.setRepository(db); + dfmt.format((AnyObjectId) null, null); + dfmt.flush(); - String actual = os.toString("UTF-8"); - String expected = ""; + String actual = os.toString("UTF-8"); + String expected = ""; - assertEquals(expected, actual); + assertEquals(expected, actual); + } } private static String makeDiffHeader(String pathA, String pathB, -- 2.39.5