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cleanup and fixes: comparator in Patch was broken which caused incorrect delta sorting, Chunk does not store lines as a separate field, in fact it is an attribute of the Chunk.lines collection.Minor cleanup in tests, still more to be done in geenerated udiff tests

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shotwave
2011-03-25 21:28:13 +00:00
parent 4f9928e4ef
commit 02ded9901f
12 changed files with 217 additions and 304 deletions
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101
test/testcase/diffutils/DiffTest.java
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@@ -1,82 +1,59 @@
package diffutils;
import java.util.*;
import junit.framework.TestCase;
import difflib.*;
import junit.framework.TestCase;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class DiffTest extends TestCase {
private List<String> changeTest_from = Arrays.asList("aaa", "bbb", "ccc");
private List<String> changeTest_to = Arrays.asList("aaa", "zzz", "ccc");
private List<String> deleteTest_from = Arrays.asList("ddd", "fff", "ggg");
private List<String> deleteTest_to = Arrays.asList("ggg");
private List<String> insertTest_from = Arrays.asList("hhh");
private List<String> insertTest_to = Arrays.asList("hhh", "jjj", "kkk");
@SuppressWarnings("serial")
public void testDiff_Insert() {
Patch patch = DiffUtils.diff(insertTest_from, insertTest_to);
public void testDiff_Insert() throws Exception {
final Patch patch = DiffUtils.diff(Arrays.asList("hhh"), Arrays.asList("hhh", "jjj", "kkk"));
assertNotNull(patch);
assertEquals(patch.getDeltas().size(), 1);
Delta delta = patch.getDeltas().get(0);
assertEquals(1, patch.getDeltas().size());
final Delta delta = patch.getDeltas().get(0);
assertEquals(InsertDelta.class, delta.getClass());
assertEquals(new Chunk(1, 0, new LinkedList<String>()), delta.getOriginal());
assertEquals(new Chunk(1, 2, new LinkedList<String>() {
{
add("jjj");
add("kkk");
}
}), delta.getRevised());
assertEquals(new Chunk(1, Collections.EMPTY_LIST), delta.getOriginal());
assertEquals(new Chunk(1, Arrays.asList("jjj", "kkk")), delta.getRevised());
}
@SuppressWarnings("serial")
public void testDiff_Delete() {
Patch patch = DiffUtils.diff(deleteTest_from, deleteTest_to);
public void testDiff_Delete() throws Exception {
final Patch patch = DiffUtils.diff(Arrays.asList("ddd", "fff", "ggg"), Arrays.asList("ggg"));
assertNotNull(patch);
assertEquals(patch.getDeltas().size(), 1);
Delta delta = patch.getDeltas().get(0);
assertEquals(1, patch.getDeltas().size());
final Delta delta = patch.getDeltas().get(0);
assertEquals(DeleteDelta.class, delta.getClass());
assertEquals(new Chunk(0, 2, new LinkedList<String>() {
{
add("ddd");
add("fff");
}
}), delta.getOriginal());
assertEquals(new Chunk(0, 0, new LinkedList<String>()), delta.getRevised());
assertEquals(new Chunk(0, Arrays.asList("ddd", "fff")), delta.getOriginal());
assertEquals(new Chunk(0, Collections.EMPTY_LIST), delta.getRevised());
}
@SuppressWarnings("serial")
public void testDiff_Change() {
Patch patch = DiffUtils.diff(changeTest_from, changeTest_to);
public void testDiff_Change() throws Exception {
final List<String> changeTest_from = Arrays.asList("aaa", "bbb", "ccc");
final List<String> changeTest_to = Arrays.asList("aaa", "zzz", "ccc");
final Patch patch = DiffUtils.diff(changeTest_from, changeTest_to);
assertNotNull(patch);
assertEquals(patch.getDeltas().size(), 1);
Delta delta = patch.getDeltas().get(0);
assertEquals(1, patch.getDeltas().size());
final Delta delta = patch.getDeltas().get(0);
assertEquals(ChangeDelta.class, delta.getClass());
assertEquals(new Chunk(1, 1, new LinkedList<String>() {
{
add("bbb");
}
}), delta.getOriginal());
assertEquals(new Chunk(1, 1, new LinkedList<String>() {
{
add("zzz");
}
}), delta.getRevised());
assertEquals(new Chunk(1, Arrays.asList("bbb")), delta.getOriginal());
assertEquals(new Chunk(1, Arrays.asList("zzz")), delta.getRevised());
}
public void testDiff_EmptyList() {
Patch patch = DiffUtils.diff(new ArrayList<String>(), new ArrayList<String>());
public void testDiff_EmptyList() throws Exception {
final Patch patch = DiffUtils.diff(new ArrayList<String>(), new ArrayList<String>());
assertNotNull(patch);
assertEquals(patch.getDeltas().size(), 0);
assertEquals(0, patch.getDeltas().size());
}
public void testDiff_EmptyListWithNonEmpty() {
Patch patch = DiffUtils.diff(new ArrayList<String>(), Arrays.asList("aaa"));
public void testDiff_EmptyListWithNonEmpty() throws Exception {
final Patch patch = DiffUtils.diff(new ArrayList<String>(), Arrays.asList("aaa"));
assertNotNull(patch);
assertEquals(patch.getDeltas().size(), 1);
Delta delta = patch.getDeltas().get(0);
assertEquals(1, patch.getDeltas().size());
final Delta delta = patch.getDeltas().get(0);
assertEquals(InsertDelta.class, delta.getClass());
}
}