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Diffstat (limited to 'org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java')
| -rw-r--r-- | org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java | 434 |
1 files changed, 434 insertions, 0 deletions
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java new file mode 100644 index 0000000000..8d9e302a82 --- /dev/null +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java @@ -0,0 +1,434 @@ +/* + * Copyright (C) 2008, Google Inc. + * 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.patch; + +import junit.framework.TestCase; + +import org.eclipse.jgit.lib.Constants; +import org.eclipse.jgit.lib.FileMode; +import org.eclipse.jgit.lib.ObjectId; + +public class FileHeaderTest extends TestCase { + public void testParseGitFileName_Empty() { + final FileHeader fh = data(""); + assertEquals(-1, fh.parseGitFileName(0, fh.buf.length)); + assertNotNull(fh.getHunks()); + assertTrue(fh.getHunks().isEmpty()); + assertFalse(fh.hasMetaDataChanges()); + } + + public void testParseGitFileName_NoLF() { + final FileHeader fh = data("a/ b/"); + assertEquals(-1, fh.parseGitFileName(0, fh.buf.length)); + } + + public void testParseGitFileName_NoSecondLine() { + final FileHeader fh = data("\n"); + assertEquals(-1, fh.parseGitFileName(0, fh.buf.length)); + } + + public void testParseGitFileName_EmptyHeader() { + final FileHeader fh = data("\n\n"); + assertEquals(1, fh.parseGitFileName(0, fh.buf.length)); + } + + public void testParseGitFileName_Foo() { + final String name = "foo"; + final FileHeader fh = header(name); + assertEquals(gitLine(name).length(), fh.parseGitFileName(0, + fh.buf.length)); + assertEquals(name, fh.getOldName()); + assertSame(fh.getOldName(), fh.getNewName()); + assertFalse(fh.hasMetaDataChanges()); + } + + public void testParseGitFileName_FailFooBar() { + final FileHeader fh = data("a/foo b/bar\n-"); + assertTrue(fh.parseGitFileName(0, fh.buf.length) > 0); + assertNull(fh.getOldName()); + assertNull(fh.getNewName()); + assertFalse(fh.hasMetaDataChanges()); + } + + public void testParseGitFileName_FooSpBar() { + final String name = "foo bar"; + final FileHeader fh = header(name); + assertEquals(gitLine(name).length(), fh.parseGitFileName(0, + fh.buf.length)); + assertEquals(name, fh.getOldName()); + assertSame(fh.getOldName(), fh.getNewName()); + assertFalse(fh.hasMetaDataChanges()); + } + + public void testParseGitFileName_DqFooTabBar() { + final String name = "foo\tbar"; + final String dqName = "foo\\tbar"; + final FileHeader fh = dqHeader(dqName); + assertEquals(dqGitLine(dqName).length(), fh.parseGitFileName(0, + fh.buf.length)); + assertEquals(name, fh.getOldName()); + assertSame(fh.getOldName(), fh.getNewName()); + assertFalse(fh.hasMetaDataChanges()); + } + + public void testParseGitFileName_DqFooSpLfNulBar() { + final String name = "foo \n\0bar"; + final String dqName = "foo \\n\\0bar"; + final FileHeader fh = dqHeader(dqName); + assertEquals(dqGitLine(dqName).length(), fh.parseGitFileName(0, + fh.buf.length)); + assertEquals(name, fh.getOldName()); + assertSame(fh.getOldName(), fh.getNewName()); + assertFalse(fh.hasMetaDataChanges()); + } + + public void testParseGitFileName_SrcFooC() { + final String name = "src/foo/bar/argh/code.c"; + final FileHeader fh = header(name); + assertEquals(gitLine(name).length(), fh.parseGitFileName(0, + fh.buf.length)); + assertEquals(name, fh.getOldName()); + assertSame(fh.getOldName(), fh.getNewName()); + assertFalse(fh.hasMetaDataChanges()); + } + + public void testParseGitFileName_SrcFooCNonStandardPrefix() { + final String name = "src/foo/bar/argh/code.c"; + final String header = "project-v-1.0/" + name + " mydev/" + name + "\n"; + final FileHeader fh = data(header + "-"); + assertEquals(header.length(), fh.parseGitFileName(0, fh.buf.length)); + assertEquals(name, fh.getOldName()); + assertSame(fh.getOldName(), fh.getNewName()); + assertFalse(fh.hasMetaDataChanges()); + } + + public void testParseUnicodeName_NewFile() { + final FileHeader fh = data("diff --git \"a/\\303\\205ngstr\\303\\266m\" \"b/\\303\\205ngstr\\303\\266m\"\n" + + "new file mode 100644\n" + + "index 0000000..7898192\n" + + "--- /dev/null\n" + + "+++ \"b/\\303\\205ngstr\\303\\266m\"\n" + + "@@ -0,0 +1 @@\n" + "+a\n"); + assertParse(fh); + + assertEquals("/dev/null", fh.getOldName()); + assertSame(FileHeader.DEV_NULL, fh.getOldName()); + assertEquals("\u00c5ngstr\u00f6m", fh.getNewName()); + + assertSame(FileHeader.ChangeType.ADD, fh.getChangeType()); + assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType()); + assertTrue(fh.hasMetaDataChanges()); + + assertSame(FileMode.MISSING, fh.getOldMode()); + assertSame(FileMode.REGULAR_FILE, fh.getNewMode()); + + assertEquals("0000000", fh.getOldId().name()); + assertEquals("7898192", fh.getNewId().name()); + assertEquals(0, fh.getScore()); + } + + public void testParseUnicodeName_DeleteFile() { + final FileHeader fh = data("diff --git \"a/\\303\\205ngstr\\303\\266m\" \"b/\\303\\205ngstr\\303\\266m\"\n" + + "deleted file mode 100644\n" + + "index 7898192..0000000\n" + + "--- \"a/\\303\\205ngstr\\303\\266m\"\n" + + "+++ /dev/null\n" + + "@@ -1 +0,0 @@\n" + "-a\n"); + assertParse(fh); + + assertEquals("\u00c5ngstr\u00f6m", fh.getOldName()); + assertEquals("/dev/null", fh.getNewName()); + assertSame(FileHeader.DEV_NULL, fh.getNewName()); + + assertSame(FileHeader.ChangeType.DELETE, fh.getChangeType()); + assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType()); + assertTrue(fh.hasMetaDataChanges()); + + assertSame(FileMode.REGULAR_FILE, fh.getOldMode()); + assertSame(FileMode.MISSING, fh.getNewMode()); + + assertEquals("7898192", fh.getOldId().name()); + assertEquals("0000000", fh.getNewId().name()); + assertEquals(0, fh.getScore()); + } + + public void testParseModeChange() { + final FileHeader fh = data("diff --git a/a b b/a b\n" + + "old mode 100644\n" + "new mode 100755\n"); + assertParse(fh); + assertEquals("a b", fh.getOldName()); + assertEquals("a b", fh.getNewName()); + + assertSame(FileHeader.ChangeType.MODIFY, fh.getChangeType()); + assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType()); + assertTrue(fh.hasMetaDataChanges()); + + assertNull(fh.getOldId()); + assertNull(fh.getNewId()); + + assertSame(FileMode.REGULAR_FILE, fh.getOldMode()); + assertSame(FileMode.EXECUTABLE_FILE, fh.getNewMode()); + assertEquals(0, fh.getScore()); + } + + public void testParseRename100_NewStyle() { + final FileHeader fh = data("diff --git a/a b/ c/\\303\\205ngstr\\303\\266m\n" + + "similarity index 100%\n" + + "rename from a\n" + + "rename to \" c/\\303\\205ngstr\\303\\266m\"\n"); + int ptr = fh.parseGitFileName(0, fh.buf.length); + assertTrue(ptr > 0); + assertNull(fh.getOldName()); // can't parse names on a rename + assertNull(fh.getNewName()); + + ptr = fh.parseGitHeaders(ptr, fh.buf.length); + assertTrue(ptr > 0); + + assertEquals("a", fh.getOldName()); + assertEquals(" c/\u00c5ngstr\u00f6m", fh.getNewName()); + + assertSame(FileHeader.ChangeType.RENAME, fh.getChangeType()); + assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType()); + assertTrue(fh.hasMetaDataChanges()); + + assertNull(fh.getOldId()); + assertNull(fh.getNewId()); + + assertNull(fh.getOldMode()); + assertNull(fh.getNewMode()); + + assertEquals(100, fh.getScore()); + } + + public void testParseRename100_OldStyle() { + final FileHeader fh = data("diff --git a/a b/ c/\\303\\205ngstr\\303\\266m\n" + + "similarity index 100%\n" + + "rename old a\n" + + "rename new \" c/\\303\\205ngstr\\303\\266m\"\n"); + int ptr = fh.parseGitFileName(0, fh.buf.length); + assertTrue(ptr > 0); + assertNull(fh.getOldName()); // can't parse names on a rename + assertNull(fh.getNewName()); + + ptr = fh.parseGitHeaders(ptr, fh.buf.length); + assertTrue(ptr > 0); + + assertEquals("a", fh.getOldName()); + assertEquals(" c/\u00c5ngstr\u00f6m", fh.getNewName()); + + assertSame(FileHeader.ChangeType.RENAME, fh.getChangeType()); + assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType()); + assertTrue(fh.hasMetaDataChanges()); + + assertNull(fh.getOldId()); + assertNull(fh.getNewId()); + + assertNull(fh.getOldMode()); + assertNull(fh.getNewMode()); + + assertEquals(100, fh.getScore()); + } + + public void testParseCopy100() { + final FileHeader fh = data("diff --git a/a b/ c/\\303\\205ngstr\\303\\266m\n" + + "similarity index 100%\n" + + "copy from a\n" + + "copy to \" c/\\303\\205ngstr\\303\\266m\"\n"); + int ptr = fh.parseGitFileName(0, fh.buf.length); + assertTrue(ptr > 0); + assertNull(fh.getOldName()); // can't parse names on a copy + assertNull(fh.getNewName()); + + ptr = fh.parseGitHeaders(ptr, fh.buf.length); + assertTrue(ptr > 0); + + assertEquals("a", fh.getOldName()); + assertEquals(" c/\u00c5ngstr\u00f6m", fh.getNewName()); + + assertSame(FileHeader.ChangeType.COPY, fh.getChangeType()); + assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType()); + assertTrue(fh.hasMetaDataChanges()); + + assertNull(fh.getOldId()); + assertNull(fh.getNewId()); + + assertNull(fh.getOldMode()); + assertNull(fh.getNewMode()); + + assertEquals(100, fh.getScore()); + } + + public void testParseFullIndexLine_WithMode() { + final String oid = "78981922613b2afb6025042ff6bd878ac1994e85"; + final String nid = "61780798228d17af2d34fce4cfbdf35556832472"; + final FileHeader fh = data("diff --git a/a b/a\n" + "index " + oid + + ".." + nid + " 100644\n" + "--- a/a\n" + "+++ b/a\n"); + assertParse(fh); + + assertEquals("a", fh.getOldName()); + assertEquals("a", fh.getNewName()); + + assertSame(FileMode.REGULAR_FILE, fh.getOldMode()); + assertSame(FileMode.REGULAR_FILE, fh.getNewMode()); + assertFalse(fh.hasMetaDataChanges()); + + assertNotNull(fh.getOldId()); + assertNotNull(fh.getNewId()); + + assertTrue(fh.getOldId().isComplete()); + assertTrue(fh.getNewId().isComplete()); + + assertEquals(ObjectId.fromString(oid), fh.getOldId().toObjectId()); + assertEquals(ObjectId.fromString(nid), fh.getNewId().toObjectId()); + } + + public void testParseFullIndexLine_NoMode() { + final String oid = "78981922613b2afb6025042ff6bd878ac1994e85"; + final String nid = "61780798228d17af2d34fce4cfbdf35556832472"; + final FileHeader fh = data("diff --git a/a b/a\n" + "index " + oid + + ".." + nid + "\n" + "--- a/a\n" + "+++ b/a\n"); + assertParse(fh); + + assertEquals("a", fh.getOldName()); + assertEquals("a", fh.getNewName()); + assertFalse(fh.hasMetaDataChanges()); + + assertNull(fh.getOldMode()); + assertNull(fh.getNewMode()); + + assertNotNull(fh.getOldId()); + assertNotNull(fh.getNewId()); + + assertTrue(fh.getOldId().isComplete()); + assertTrue(fh.getNewId().isComplete()); + + assertEquals(ObjectId.fromString(oid), fh.getOldId().toObjectId()); + assertEquals(ObjectId.fromString(nid), fh.getNewId().toObjectId()); + } + + public void testParseAbbrIndexLine_WithMode() { + final int a = 7; + final String oid = "78981922613b2afb6025042ff6bd878ac1994e85"; + final String nid = "61780798228d17af2d34fce4cfbdf35556832472"; + final FileHeader fh = data("diff --git a/a b/a\n" + "index " + + oid.substring(0, a - 1) + ".." + nid.substring(0, a - 1) + + " 100644\n" + "--- a/a\n" + "+++ b/a\n"); + assertParse(fh); + + assertEquals("a", fh.getOldName()); + assertEquals("a", fh.getNewName()); + + assertSame(FileMode.REGULAR_FILE, fh.getOldMode()); + assertSame(FileMode.REGULAR_FILE, fh.getNewMode()); + assertFalse(fh.hasMetaDataChanges()); + + assertNotNull(fh.getOldId()); + assertNotNull(fh.getNewId()); + + assertFalse(fh.getOldId().isComplete()); + assertFalse(fh.getNewId().isComplete()); + + assertEquals(oid.substring(0, a - 1), fh.getOldId().name()); + assertEquals(nid.substring(0, a - 1), fh.getNewId().name()); + + assertTrue(ObjectId.fromString(oid).startsWith(fh.getOldId())); + assertTrue(ObjectId.fromString(nid).startsWith(fh.getNewId())); + } + + public void testParseAbbrIndexLine_NoMode() { + final int a = 7; + final String oid = "78981922613b2afb6025042ff6bd878ac1994e85"; + final String nid = "61780798228d17af2d34fce4cfbdf35556832472"; + final FileHeader fh = data("diff --git a/a b/a\n" + "index " + + oid.substring(0, a - 1) + ".." + nid.substring(0, a - 1) + + "\n" + "--- a/a\n" + "+++ b/a\n"); + assertParse(fh); + + assertEquals("a", fh.getOldName()); + assertEquals("a", fh.getNewName()); + + assertNull(fh.getOldMode()); + assertNull(fh.getNewMode()); + assertFalse(fh.hasMetaDataChanges()); + + assertNotNull(fh.getOldId()); + assertNotNull(fh.getNewId()); + + assertFalse(fh.getOldId().isComplete()); + assertFalse(fh.getNewId().isComplete()); + + assertEquals(oid.substring(0, a - 1), fh.getOldId().name()); + assertEquals(nid.substring(0, a - 1), fh.getNewId().name()); + + assertTrue(ObjectId.fromString(oid).startsWith(fh.getOldId())); + assertTrue(ObjectId.fromString(nid).startsWith(fh.getNewId())); + } + + private static void assertParse(final FileHeader fh) { + int ptr = fh.parseGitFileName(0, fh.buf.length); + assertTrue(ptr > 0); + ptr = fh.parseGitHeaders(ptr, fh.buf.length); + assertTrue(ptr > 0); + } + + private static FileHeader data(final String in) { + return new FileHeader(Constants.encodeASCII(in), 0); + } + + private static FileHeader header(final String path) { + return data(gitLine(path) + "--- " + path + "\n"); + } + + private static String gitLine(final String path) { + return "a/" + path + " b/" + path + "\n"; + } + + private static FileHeader dqHeader(final String path) { + return data(dqGitLine(path) + "--- " + path + "\n"); + } + + private static String dqGitLine(final String path) { + return "\"a/" + path + "\" \"b/" + path + "\"\n"; + } +} |