Attachment 120988 Details for Bug 71374 – initial testCase for UnifiedDiffFormatter class

[patch] initial testCase for UnifiedDiffFormatter class

patch_tests_20_12_2008.txt (text/plain), 9.86 KB, created by Kacper Zdanowicz

on 2008-12-19 21:26:40 EST

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Creator: Kacper Zdanowicz

Created: 2008-12-19 21:26:40 EST

Size: 9.86 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.compare.tests
>Index: patchdata/patch_additionA.txt
>===================================================================
>RCS file: patchdata/patch_additionA.txt
>diff -N patchdata/patch_additionA.txt
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ patchdata/patch_additionA.txt	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,13 @@
>+--- addition.txt	2005-05-09 12:14:04.000000000 +0200
>++++ exp_addition.txt	2005-05-09 13:15:34.000000000 +0200
>+@@ -0,0 +0,10 @@
>++[1]
>++[2]
>++[3]
>++[4]
>++[5]
>++[6]
>++[7]
>++[8]
>++[9]
>++
>Index: patchdata/patch_addition2A.txt
>===================================================================
>RCS file: patchdata/patch_addition2A.txt
>diff -N patchdata/patch_addition2A.txt
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ patchdata/patch_addition2A.txt	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,12 @@
>+--- addition.txt	2005-05-09 12:14:04.000000000 +0200
>++++ exp_addition.txt	2005-05-09 12:29:24.000000000 +0200
>+@@ -0,0 +0,9 @@
>++[1]
>++[2]
>++[3]
>++[4]
>++[5]
>++[6]
>++[7]
>++[8]
>++[9]
>Index: patchdata/patchAddition3.txt
>===================================================================
>RCS file: patchdata/patchAddition3.txt
>diff -N patchdata/patchAddition3.txt
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ patchdata/patchAddition3.txt	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,30 @@
>+--- exp_context.txt	20 Dec 2008 02:59:19 -0000
>++++ exp_context.txt	20 Dec 2008 02:59:19 -0000
>+@@ -1,6 +1,8 @@
>+ [b]
>+ [c]
>++[c1]
>++[c2]
>+ [d]
>+ [e]
>+ [f]
>+@@ -8,14 +10,16 @@
>+ [g]
>+ [h]
>+-[i]
>++[i1]
>+ [j]
>+ [k]
>+ [l]
>+@@ -16,26 +18,28 @@
>+ [m]
>+ [n]
>+-[o]
>+ [p]
>+ [q]
>+ [r]
>+ [s]
>++[s1]
>+ [t]
>+ [u]
>+ [v]
>Index: patchdata/testPatch.txt
>===================================================================
>RCS file: patchdata/testPatch.txt
>diff -N patchdata/testPatch.txt
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ patchdata/testPatch.txt	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,32 @@
>+Index: patchdata/testPatch.txt
>+===================================================================
>+--- patchdata/testPatch.txt	20 Dec 2008 03:06:21 -0000
>++++ patchdata/testPatch.txt	20 Dec 2008 03:06:21 -0000
>+@@ -1,6 +1,8 @@
>+ [b]
>+ [c]
>++[c1]
>++[c2]
>+ [d]
>+ [e]
>+ [f]
>+@@ -8,14 +10,16 @@
>+ [g]
>+ [h]
>+-[i]
>++[i1]
>+ [j]
>+ [k]
>+ [l]
>+@@ -16,26 +18,28 @@
>+ [m]
>+ [n]
>+-[o]
>+ [p]
>+ [q]
>+ [r]
>+ [s]
>++[s1]
>+ [t]
>+ [u]
>+ [v]
>Index: patchdata/exp_additionA.txt
>===================================================================
>RCS file: patchdata/exp_additionA.txt
>diff -N patchdata/exp_additionA.txt
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ patchdata/exp_additionA.txt	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,9 @@
>+[1]
>+[2]
>+[3]
>+[4]
>+[5]
>+[6]
>+[7]
>+[8]
>+[9]
>Index: src/org/eclipse/compare/tests/UnifiedDiffFormatterTest.java
>===================================================================
>RCS file: src/org/eclipse/compare/tests/UnifiedDiffFormatterTest.java
>diff -N src/org/eclipse/compare/tests/UnifiedDiffFormatterTest.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/compare/tests/UnifiedDiffFormatterTest.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,201 @@
>+/*******************************************************************************
>+ * Copyright (c) 2000, 2008 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:
>+ *     Krzysztof Poglodzinski (intuicje@gmail.com) - initial API and implementation
>+ *     Mariusz Tanski (mariusztanski@gmail.com) - initial API and implementation
>+ *     Kacper Zdanowicz (kacper.zdanowicz@gmail.com) - initial API and implementation 
>+ *******************************************************************************/
>+package org.eclipse.compare.tests;
>+
>+import java.io.BufferedReader;
>+import java.io.File;
>+import java.io.IOException;
>+import java.io.InputStream;
>+import java.io.InputStreamReader;
>+import java.net.URL;
>+
>+import org.eclipse.compare.CompareConfiguration;
>+import org.eclipse.compare.contentmergeviewer.ITokenComparator;
>+import org.eclipse.compare.contentmergeviewer.TokenComparator;
>+import org.eclipse.compare.internal.UnifiedDiffFormatter;
>+import org.eclipse.compare.internal.merge.DocumentMerger;
>+import org.eclipse.compare.internal.merge.DocumentMerger.IDocumentMergerInput;
>+import org.eclipse.core.runtime.CoreException;
>+import org.eclipse.core.runtime.IPath;
>+import org.eclipse.core.runtime.Path;
>+import org.eclipse.jface.text.Document;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.Position;
>+import org.osgi.framework.Bundle;
>+
>+import junit.framework.TestCase;
>+
>+public class UnifiedDiffFormatterTest extends TestCase {
>+
>+	private static final String PATCHDATA = "patchdata";
>+	private static final String TESTPATCHPATH = "patchdata/testPatch.txt";
>+	private static final String TESTPATCHFILE = "testPatch.txt";
>+	public static final char RIGHT_CONTRIBUTOR = 'R';
>+	public static final char LEFT_CONTRIBUTOR = 'L';
>+	
>+	protected void setUp() throws Exception {
>+		// empty
>+	}
>+
>+	protected void tearDown() throws Exception {
>+		super.tearDown();
>+	}
>+	
>+	public void testCreatePatch() throws CoreException, IOException {
>+		patch("addition.txt", "exp_addition.txt", "patch_additionA.txt");
>+	}
>+	
>+	public void testUnterminatedCreatePatch() throws CoreException, IOException {
>+		patch("addition.txt", "exp_addition2.txt", "patch_addition2A.txt");
>+	}
>+	
>+	public void testCreate2Patch()throws CoreException, IOException {
>+		patch("context.txt", "exp_context.txt", "patchAddition3.txt");
>+	}
>+	
>+	private void patch(String fromFilePath, String toFilePath, String expectedPatch) throws CoreException, IOException{
>+		String fromFileContent = readFileToString(fromFilePath);
>+		String toFileContent = readFileToString(toFilePath);
>+		
>+		final Document fromDoc = new Document(fromFileContent);
>+		final Document toDoc = new Document(toFileContent);
>+		
>+		DocumentMerger merger = new DocumentMerger(getDocumentMergerInput(fromDoc, toDoc));
>+
>+		merger.doDiff();
>+
>+		UnifiedDiffFormatter formatter = new UnifiedDiffFormatter(merger,
>+                fromDoc, toDoc, TESTPATCHPATH, false);
>+		
>+		File file = getFile(TESTPATCHPATH);
>+		
>+		formatter.generateDiff(file);
>+
>+		String patchContent = readFileToString(TESTPATCHFILE);
>+		String expectedContent = readFileToString(expectedPatch);
>+		
>+		String[] patchContents = patchContent.split("\n");
>+		String[] expectedContents = expectedContent.split("\n");
>+		patchContent = new String();
>+		expectedContent = new String();
>+		
>+		for (int i = 4; i < patchContents.length; i++) {
>+			patchContent += patchContents[i];
>+		}
>+		for (int i = 2; i < expectedContents.length; i++) {
>+			expectedContent += expectedContents[i];
>+		}
>+		
>+		
>+		assertEquals(patchContent.length(), expectedContent.length());
>+		
>+		assertEquals(patchContent, expectedContent);
>+		
>+	}
>+	
>+	private File getFile(String path) throws IOException {
>+		File result = new File(path);
>+		if(!result.exists()) {
>+				result.createNewFile();
>+		}
>+		return result;
>+	}
>+	
>+	private IDocumentMergerInput getDocumentMergerInput(final Document fromDoc, final Document toDoc) {
>+		return new IDocumentMergerInput() {
>+
>+			public ITokenComparator createTokenComparator(String line) {
>+		            return new TokenComparator(line);
>+		    }
>+		    public CompareConfiguration getCompareConfiguration() {
>+		            return new CompareConfiguration();
>+		    }
>+		    public IDocument getDocument(char contributor) {
>+		            switch (contributor) {
>+		            case LEFT_CONTRIBUTOR:
>+		                    return fromDoc;
>+		            case RIGHT_CONTRIBUTOR:
>+		                    return toDoc;
>+		            default:
>+		                    return null;
>+		            }
>+		    }
>+		    public int getHunkStart() {
>+		            return 0;
>+		    }
>+		    public Position getRegion(char contributor) {
>+		            switch (contributor) {
>+		            case LEFT_CONTRIBUTOR:
>+		                    return new Position(0, fromDoc.getLength());
>+		            case RIGHT_CONTRIBUTOR:
>+		                    return new Position(0, toDoc.getLength());
>+		            }
>+		            return null;
>+		    }
>+		    public boolean isHunkOnLeft() {
>+		    	return false;
>+		    }
>+		    public boolean isIgnoreAncestor() {
>+		    	return true;
>+		    }
>+		    public boolean isPatchHunk() {
>+		    	return false;
>+		    }
>+		
>+		    public boolean isShowPseudoConflicts() {
>+		    	return false;
>+		    }
>+		    public boolean isThreeWay() {
>+		//            return TextMergeViewer.this.isThreeWay();
>+		    	return false;
>+		    }
>+		    public boolean isPatchHunkOk() {
>+		    	return false;
>+		    }
>+		
>+	};
>+	}
>+	
>+	public String readFileToString(String path) throws IOException {
>+		BufferedReader reader = getReader(path);
>+		StringBuffer str = new StringBuffer();
>+		int c;
>+
>+		while (((c = reader.read()) != -1)){
>+			str.append((char)c);
>+		}
>+		reader.close();
>+		return str.toString();
>+
>+	}
>+
>+	private BufferedReader getReader(String name) {
>+		InputStream resourceAsStream = asInputStream(name);
>+		InputStreamReader reader2= new InputStreamReader(resourceAsStream);
>+		return new BufferedReader(reader2);
>+	}
>+
>+	private InputStream asInputStream(String name) {
>+		IPath path= new Path(PATCHDATA).append(name);
>+		try {
>+			URL url= new URL(getBundle().getEntry("/"), path.toString());
>+			return url.openStream();
>+		} catch (IOException e) {
>+			fail("Failed while reading " + name);
>+			return null; // never reached
>+		}
>+	}
>+	private Bundle getBundle() {
>+		return CompareTestPlugin.getDefault().getBundle();
>+	}
>+}

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