| /******************************************************************************* |
| * Copyright (c) 2009, 2018 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.compare.tests; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.List; |
| |
| import org.eclipse.compare.internal.core.patch.Hunk; |
| import org.eclipse.compare.internal.core.patch.LineReader; |
| import org.eclipse.compare.internal.patch.Utilities; |
| import org.eclipse.compare.patch.*; |
| import org.eclipse.compare.tests.PatchUtils.StringStorage; |
| import org.eclipse.core.resources.IStorage; |
| import org.eclipse.core.runtime.*; |
| import org.junit.Assert; |
| |
| import junit.framework.TestCase; |
| |
| public class PatchBuilderTest extends TestCase { |
| |
| public PatchBuilderTest() { |
| |
| } |
| |
| protected void setUp() throws Exception { |
| // Nothing to do |
| } |
| |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| public void testModifyHunks() throws CoreException, IOException { |
| IStorage patchStorage = new StringStorage("patch_modifyHunks.txt"); |
| IStorage contextStorage = new StringStorage("context.txt"); |
| IFilePatch[] patches = ApplyPatchOperation.parsePatch(patchStorage); |
| assertEquals(1, patches.length); |
| IHunk[] hunksBefore = patches[0].getHunks(); |
| assertEquals(5, hunksBefore.length); |
| |
| String[] lines = new String[] { " [d]", "+[d1]", "+[d2]", "+[d3]", |
| "+[d4]", " [e]" }; |
| addLineDelimiters(lines); |
| IHunk[] toAdd = new IHunk[] { PatchBuilder.createHunk(3, lines) }; |
| IFilePatch2 filePatch = PatchBuilder.addHunks(patches[0], toAdd); |
| |
| IHunk[] toRemove = new IHunk[] { hunksBefore[0], hunksBefore[2] }; |
| filePatch = PatchBuilder.removeHunks(filePatch, toRemove); |
| |
| IHunk[] hunksAfter = filePatch.getHunks(); |
| assertEquals(4, hunksAfter.length); |
| assertEquals(3, ((Hunk) hunksAfter[0]).getStart(false)); |
| assertEquals(3, ((Hunk) hunksAfter[0]).getStart(true)); |
| assertEquals(7, ((Hunk) hunksAfter[1]).getStart(false)); |
| assertEquals(11, ((Hunk) hunksAfter[1]).getStart(true)); |
| assertEquals(18, ((Hunk) hunksAfter[2]).getStart(false)); |
| assertEquals(22, ((Hunk) hunksAfter[2]).getStart(true)); |
| assertEquals(28, ((Hunk) hunksAfter[3]).getStart(false)); |
| assertEquals(33, ((Hunk) hunksAfter[3]).getStart(true)); |
| |
| IFilePatchResult result = filePatch.apply(Utilities |
| .getReaderCreator(contextStorage), new PatchConfiguration(), |
| new NullProgressMonitor()); |
| |
| IHunk[] rejects = result.getRejects(); |
| assertEquals(1, rejects.length); |
| |
| InputStream actual = result.getPatchedContents(); |
| |
| LineReader lr = new LineReader(PatchUtils |
| .getReader("exp_modifyHunks.txt")); |
| List<String> inLines = lr.readLines(); |
| String expected = LineReader.createString(false, inLines); |
| |
| assertEquals(expected, PatchUtils.asString(actual)); |
| } |
| |
| public void testAddHunks() throws CoreException, IOException { |
| IStorage patchStorage = new StringStorage("patch_addHunks.txt"); |
| IStorage contextStorage = new StringStorage("context_full.txt"); |
| IFilePatch[] patches = ApplyPatchOperation.parsePatch(patchStorage); |
| assertEquals(1, patches.length); |
| IHunk[] hunksBefore = patches[0].getHunks(); |
| assertEquals(3, hunksBefore.length); |
| |
| String[] lines0 = new String[] { " [d]", "+[d1]", "+[d2]", "+[d3]", |
| "+[d4]", " [e]" }; |
| addLineDelimiters(lines0); |
| IHunk hunk0 = PatchBuilder.createHunk(3, lines0); |
| |
| String[] lines1 = new String[] { " [K]", " [L]", "-[M]", " [N]", |
| "+[N1]", "+[N2]", " [O]", " [P]" }; |
| addLineDelimiters(lines1); |
| IHunk hunk1 = PatchBuilder.createHunk(36, lines1); |
| |
| IHunk[] toAdd = new IHunk[] { hunk0, hunk1 }; |
| IFilePatch2 filePatch = PatchBuilder.addHunks(patches[0], toAdd); |
| |
| IHunk[] hunksAfter = filePatch.getHunks(); |
| assertEquals(5, hunksAfter.length); |
| assertEquals(0, ((Hunk) hunksAfter[0]).getStart(false)); |
| assertEquals(0, ((Hunk) hunksAfter[0]).getStart(true)); |
| assertEquals(3, ((Hunk) hunksAfter[1]).getStart(false)); |
| assertEquals(5, ((Hunk) hunksAfter[1]).getStart(true)); |
| assertEquals(19, ((Hunk) hunksAfter[2]).getStart(false)); |
| assertEquals(25, ((Hunk) hunksAfter[2]).getStart(true)); |
| assertEquals(36, ((Hunk) hunksAfter[3]).getStart(false)); |
| assertEquals(40, ((Hunk) hunksAfter[3]).getStart(true)); |
| assertEquals(46, ((Hunk) hunksAfter[4]).getStart(false)); |
| assertEquals(51, ((Hunk) hunksAfter[4]).getStart(true)); |
| |
| IFilePatchResult result = filePatch.apply(Utilities |
| .getReaderCreator(contextStorage), new PatchConfiguration(), |
| new NullProgressMonitor()); |
| |
| IHunk[] rejects = result.getRejects(); |
| assertEquals(0, rejects.length); |
| |
| InputStream actual = result.getPatchedContents(); |
| |
| LineReader lr = new LineReader(PatchUtils.getReader("exp_addHunks.txt")); |
| List<String> inLines = lr.readLines(); |
| String expected = LineReader.createString(false, inLines); |
| |
| assertEquals(expected, PatchUtils.asString(actual)); |
| } |
| |
| public void testRemoveHunks() throws CoreException, IOException { |
| IStorage patchStorage = new StringStorage("patch_removeHunks.txt"); |
| IStorage contextStorage = new StringStorage("context_full.txt"); |
| IFilePatch[] patches = ApplyPatchOperation.parsePatch(patchStorage); |
| assertEquals(1, patches.length); |
| IHunk[] hunksBefore = patches[0].getHunks(); |
| assertEquals(5, hunksBefore.length); |
| |
| IHunk[] toRemove = new IHunk[] { hunksBefore[0], hunksBefore[1] }; |
| IFilePatch2 filePatch = PatchBuilder.removeHunks(patches[0], toRemove); |
| |
| IHunk[] hunksAfter = filePatch.getHunks(); |
| assertEquals(3, hunksAfter.length); |
| assertEquals(19, ((Hunk) hunksAfter[0]).getStart(false)); |
| assertEquals(19, ((Hunk) hunksAfter[0]).getStart(true)); |
| assertEquals(29, ((Hunk) hunksAfter[1]).getStart(false)); |
| assertEquals(27, ((Hunk) hunksAfter[1]).getStart(true)); |
| assertEquals(46, ((Hunk) hunksAfter[2]).getStart(false)); |
| assertEquals(43, ((Hunk) hunksAfter[2]).getStart(true)); |
| |
| IFilePatchResult result = filePatch.apply(Utilities |
| .getReaderCreator(contextStorage), new PatchConfiguration(), |
| new NullProgressMonitor()); |
| |
| IHunk[] rejects = result.getRejects(); |
| assertEquals(0, rejects.length); |
| |
| InputStream actual = result.getPatchedContents(); |
| |
| LineReader lr = new LineReader(PatchUtils |
| .getReader("exp_removeHunks.txt")); |
| List<String> inLines = lr.readLines(); |
| String expected = LineReader.createString(false, inLines); |
| |
| assertEquals(expected, PatchUtils.asString(actual)); |
| } |
| |
| public void testCreateFilePatch() throws CoreException, IOException { |
| IStorage contextStorage = new StringStorage("context.txt"); |
| |
| String[] lines0 = new String[] { "+[a1]", "+[a2]", "+[a3]", " [a]" }; |
| addLineDelimiters(lines0); |
| Hunk hunk0 = (Hunk) PatchBuilder.createHunk(0, lines0); |
| |
| String[] lines1 = new String[] { " [b]", " [c]", "-[d]", "-[e]", |
| " [f]", " [g]", " [h]", "+[h1]", " [i]", " [j]", "+[j1]", |
| "+[j2]", " [k]", " [l]" }; |
| addLineDelimiters(lines1); |
| Hunk hunk1 = (Hunk) PatchBuilder.createHunk(1, lines1); |
| |
| IHunk[] hunks = new IHunk[] { hunk1, hunk0 }; |
| |
| IFilePatch2 filePatch = PatchBuilder.createFilePatch(new Path(""), |
| IFilePatch2.DATE_UNKNOWN, new Path(""), |
| IFilePatch2.DATE_UNKNOWN, hunks); |
| |
| assertEquals(2, filePatch.getHunks().length); |
| assertEquals(hunk0, filePatch.getHunks()[0]); |
| assertEquals(hunk1, filePatch.getHunks()[1]); |
| |
| IFilePatchResult result = filePatch.apply(Utilities |
| .getReaderCreator(contextStorage), new PatchConfiguration(), |
| new NullProgressMonitor()); |
| |
| InputStream actual = result.getPatchedContents(); |
| |
| LineReader lr = new LineReader(PatchUtils |
| .getReader("exp_createFilePatch.txt")); |
| List<String> inLines = lr.readLines(); |
| String expected = LineReader.createString(false, inLines); |
| |
| assertEquals(expected, PatchUtils.asString(actual)); |
| } |
| |
| public void testCreateHunk0() throws CoreException { |
| IStorage patch = new StringStorage("patch_createHunk0.txt"); |
| IFilePatch[] filePatches = ApplyPatchOperation.parsePatch(patch); |
| assertEquals(1, filePatches.length); |
| assertEquals(1, filePatches[0].getHunks().length); |
| |
| String[] lines = new String[] { "+[a1]", "+[a2]", "+[a3]", " [a]", |
| " [b]", "-[c]", " [d]", " [e]", " [f]" }; |
| addLineDelimiters(lines); |
| Hunk hunk = (Hunk) PatchBuilder.createHunk(0, lines); |
| String[] actual = hunk.getUnifiedLines(); |
| assertTrue(lines != actual); |
| Assert.assertArrayEquals(lines, actual); |
| |
| assertHunkEquals(hunk, (Hunk) filePatches[0].getHunks()[0]); |
| } |
| |
| public void testCreateHunk1() throws CoreException { |
| IStorage patch = new StringStorage("patch_createHunk1.txt"); |
| IFilePatch[] filePatches = ApplyPatchOperation.parsePatch(patch); |
| assertEquals(1, filePatches.length); |
| assertEquals(1, filePatches[0].getHunks().length); |
| |
| String[] lines = new String[] { " [a]", " [b]", "-[c]", " [d]", "-[e]", |
| " [f]", " [g]", " [h]", "+[h1]", " [i]", " [j]", "+[j1]", |
| "+[j2]", " [k]", " [l]", " [m]" }; |
| addLineDelimiters(lines); |
| Hunk hunk = (Hunk) PatchBuilder.createHunk(0, lines); |
| String[] actual = hunk.getUnifiedLines(); |
| assertTrue(lines != actual); |
| Assert.assertArrayEquals(lines, actual); |
| |
| assertHunkEquals(hunk, (Hunk) filePatches[0].getHunks()[0]); |
| } |
| |
| public void testCreateHunk2() throws CoreException { |
| IStorage patch = new StringStorage("patch_createHunk2.txt"); |
| IFilePatch[] filePatches = ApplyPatchOperation.parsePatch(patch); |
| assertEquals(1, filePatches.length); |
| assertEquals(1, filePatches[0].getHunks().length); |
| |
| String[] lines = new String[] { "+[aa]", "+[bb]", "+[cc]" }; |
| addLineDelimiters(lines); |
| Hunk hunk = (Hunk) PatchBuilder.createHunk(0, lines); |
| String[] actual = hunk.getUnifiedLines(); |
| assertTrue(lines != actual); |
| Assert.assertArrayEquals(lines, actual); |
| |
| assertHunkEquals(hunk, (Hunk) filePatches[0].getHunks()[0]); |
| } |
| |
| public void testCreateHunk3() throws CoreException { |
| IStorage patch = new StringStorage("patch_createHunk3.txt"); |
| IFilePatch[] filePatches = ApplyPatchOperation.parsePatch(patch); |
| assertEquals(1, filePatches.length); |
| assertEquals(1, filePatches[0].getHunks().length); |
| |
| String[] lines = new String[] { "-[aa]", "-[bb]", "-[cc]", "-[dd]" }; |
| addLineDelimiters(lines); |
| Hunk hunk = (Hunk) PatchBuilder.createHunk(0, lines); |
| String[] actual = hunk.getUnifiedLines(); |
| assertTrue(lines != actual); |
| Assert.assertArrayEquals(lines, actual); |
| |
| assertHunkEquals(hunk, (Hunk) filePatches[0].getHunks()[0]); |
| } |
| |
| private void assertHunkEquals(Hunk h1, Hunk h2) { |
| String[] l1 = h1.getLines(); |
| String[] l2 = h2.getLines(); |
| assertEquals(l1.length, l2.length); |
| for (int i = 0; i < l1.length; i++) { |
| assertFalse(l1[i] == null && l2[i] != null); |
| assertEquals(l1[i], (l2[i])); |
| } |
| assertEquals(h1.getStart(false), h2.getStart(false)); |
| assertEquals(h1.getStart(true), h2.getStart(true)); |
| assertEquals(h1.getLength(false), h2.getLength(false)); |
| assertEquals(h1.getLength(true), h2.getLength(true)); |
| assertEquals(h1.getHunkType(false), h2.getHunkType(false)); |
| assertEquals(h1.getHunkType(true), h2.getHunkType(true)); |
| } |
| |
| private void addLineDelimiters(String[] lines) { |
| for (int i = 0; i < lines.length; i++) { |
| lines[i] = lines[i] + "\r\n"; |
| } |
| } |
| |
| } |