/*
* Copyright 2000-2017 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.openapi.diff.impl.processing;
import com.intellij.openapi.diff.ex.DiffFragment;
import com.intellij.openapi.diff.impl.ComparisonPolicy;
import com.intellij.openapi.diff.impl.highlighting.FragmentEquality;
import com.intellij.openapi.diff.impl.highlighting.FragmentStringConvertion;
import com.intellij.openapi.util.TextRange;
import com.intellij.util.Assertion;
import com.intellij.util.StringConvertion;
import com.intellij.util.diff.FilesTooBigForDiffException;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
public class ByWordTest extends TestCase {
private final Assertion CHECK = new Assertion(new FragmentStringConvertion());
@Override
protected void setUp() throws Exception {
super.setUp();
CHECK.setEquality(new FragmentEquality());
}
public void test1() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.DEFAULT);
DiffFragment[] fragments = byWord.buildFragments("abc def, 123", "ab def, 12");
CHECK.compareAll(new DiffFragment[]{new DiffFragment("abc", "ab"),
new DiffFragment(" def, ", " def, "),
new DiffFragment("123", "12")}, fragments);
}
public void test2() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.DEFAULT);
DiffFragment[] fragments = byWord.buildFragments(" a[xy]+1", ",a[]+1");
CHECK.compareAll(new DiffFragment[]{new DiffFragment(" ", null),
new DiffFragment(null, ","),
new DiffFragment("a[", "a["),
new DiffFragment("xy", null),
new DiffFragment("]+1", "]+1")}, fragments);
}
public void test3() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.DEFAULT);
DiffFragment[] fragments = byWord.buildFragments("0987\n a.g();\n", "yyyy\n");
CHECK.compareAll(new DiffFragment[]{new DiffFragment("0987\n a.g();\n", "yyyy\n")}, fragments);
}
public void test4() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.DEFAULT);
DiffFragment[] fragments = byWord.buildFragments(" abc\n2222\n", " x = abc\nzzzz\n");
CHECK.compareAll(new DiffFragment[]{
new DiffFragment(null, " "), new DiffFragment(" ", " "), new DiffFragment(null, "x"), new DiffFragment(null, " ="),
new DiffFragment(null, " "),
new DiffFragment("abc\n", "abc\n"),
new DiffFragment("2222", "zzzz"),
new DiffFragment("\n", "\n")}, fragments);
}
public void testIdea58505() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.DEFAULT);
DiffFragment[] fragments = byWord.buildFragments(" if (eventMerger!=null && !dataSelection.getValueIsAdjusting()) {",
" if (eventMerger!=null && (dataSelection==null || !dataSelection.getValueIsAdjusting())) {");
CHECK.compareAll(new DiffFragment[] {
new DiffFragment(" if (eventMerger!=null && ", " if (eventMerger!=null && "),
new DiffFragment("!", "("),
new DiffFragment("dataSelection", "dataSelection"),
new DiffFragment(null, "=="),
new DiffFragment(null, "null || !dataSelection"),
new DiffFragment(".getValueIsAdjusting())", ".getValueIsAdjusting())"),
new DiffFragment(null, ")"),
new DiffFragment(" {", " {")
}, fragments);
}
public void testIdea58505Trim() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.TRIM_SPACE);
DiffFragment[] fragments = byWord.buildFragments(" if (eventMerger!=null && !dataSelection.getValueIsAdjusting()) {",
" if (eventMerger!=null && (dataSelection==null || !dataSelection.getValueIsAdjusting())) {");
CHECK.compareAll(new DiffFragment[] {
new DiffFragment(" if (eventMerger!=null && ", " if (eventMerger!=null && "),
new DiffFragment("!", "("),
new DiffFragment("dataSelection", "dataSelection"),
new DiffFragment(null, "=="),
new DiffFragment(null, "null || !dataSelection"),
new DiffFragment(".getValueIsAdjusting())", ".getValueIsAdjusting())"),
new DiffFragment(null, ")"),
new DiffFragment(" {", " {")
}, fragments);
}
public void testIdea56428() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.DEFAULT);
DiffFragment[] fragments = byWord.buildFragments("messageInsertStatement = connection.prepareStatement(\"INSERT INTO AUDIT (AUDIT_TYPE_ID, STATUS, SERVER_ID, INSTANCE_ID, REQUEST_ID) VALUES (?, ?, ?, ?, ?)\");\n",
"messageInsertStatement = connection.prepareStatement(\"INSERT INTO AUDIT (AUDIT_TYPE_ID, CREATION_TIMESTAMP, STATUS, SERVER_ID, INSTANCE_ID, REQUEST_ID) VALUES (?, ?, ?, ?, ?, ?)\");\n");
CHECK.compareAll(new DiffFragment[] {
new DiffFragment("messageInsertStatement = connection.prepareStatement(\"INSERT INTO AUDIT (AUDIT_TYPE_ID, ", "messageInsertStatement = connection.prepareStatement(\"INSERT INTO AUDIT (AUDIT_TYPE_ID, "),
new DiffFragment(null, "CREATION_TIMESTAMP"),
new DiffFragment(null, ","),
new DiffFragment(null, " "),
new DiffFragment("STATUS, SERVER_ID, INSTANCE_ID, REQUEST_ID) VALUES (?, ?, ?, ?, ?", "STATUS, SERVER_ID, INSTANCE_ID, REQUEST_ID) VALUES (?, ?, ?, ?, ?"),
new DiffFragment(null, ", ?"),
new DiffFragment(")\");\n", ")\");\n"),
}, fragments);
}
public void testExtractWords() {
String text = "a b, c.d\n\n x\n y";
Word[] words = ByWord.buildWords(text, ComparisonPolicy.DEFAULT);
CHECK.setEquality((o1, o2) -> {
Word word1 = (Word)o1;
Word word2 = (Word)o2;
return word1.getStart() == word2.getStart() && word1.getEnd() == word2.getEnd();
});
CHECK.setStringConvertion(StringConvertion.DEFAULT);
CHECK.compareAll(new Word[]{new Formatting(text, new TextRange(0, 0)),
new Word(text, new TextRange(0, 1)),
new Word(text, new TextRange(2, 3)),
new Word(text, new TextRange(5, 6)),
new Word(text, new TextRange(7, 8)),
new Formatting(text, new TextRange(8, 12)),
new Word(text, new TextRange(12, 13)),
new Formatting(text, new TextRange(13, 15)),
new Word(text, new TextRange(15, 16))}, words);
text = " b c";
words = ByWord.buildWords(text, ComparisonPolicy.DEFAULT);
CHECK.compareAll(new Word[]{new Formatting(text, new TextRange(0, 1)),
new Word(text, new TextRange(1, 2)),
new Word(text, new TextRange(3, 4))}, words);
}
public void testLeadingFormatting() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.DEFAULT);
DiffFragment[] fragments = byWord.buildFragments(" abc\n 123", " 123");
CHECK.compareAll(new DiffFragment[]{new DiffFragment(" abc\n", null),
new DiffFragment(" 123", " 123")},
UniteSameType.INSTANCE.correct(fragments));
}
public void testRestyleNewLines() throws FilesTooBigForDiffException {
DiffPolicy byWord = new ByWord(ComparisonPolicy.DEFAULT);
DiffFragment[] fragments = byWord.buildFragments("f(a, b);", "f(a,\n b);");
CHECK.compareAll(new DiffFragment[]{new DiffFragment("f(a,", "f(a,"),
new DiffFragment(" ", "\n "),
new DiffFragment("b);", "b);")},
UniteSameType.INSTANCE.correct(fragments));
}
public void testIgnoreSpaces() throws FilesTooBigForDiffException {
ByWord byWord = new ByWord(ComparisonPolicy.IGNORE_SPACE);
DiffFragment[] fragments = byWord.buildFragments(" o.f(a)", "o. f( b)");
CHECK.compareAll(new DiffFragment[]{DiffFragment.unchanged(" o.f(", "o. f( "),
new DiffFragment("a", "b"),
DiffFragment.unchanged(")", ")")},
UniteSameType.INSTANCE.correct(fragments));
}
public void testIgnoreLeadingAndTrailing() throws FilesTooBigForDiffException {
ByWord byWord = new ByWord(ComparisonPolicy.TRIM_SPACE);
checkEqual(byWord.buildFragments(" text", "text"));
checkEqual(byWord.buildFragments("text ", "text"));
checkEqual(byWord.buildFragments(" text \n", "text\n"));
//DiffFragment[] fragments = byWord.buildFragments(" 123 ", "xyz");
//CHECK.compareAll(new DiffFragment[]{DiffFragment.unchanged(" ", ""),
// new DiffFragment("123", "xyz"),
// DiffFragment.unchanged(" ", "")},
// fragments);
}
private void checkEqual(DiffFragment[] fragments) {
try {
assertEquals(1, fragments.length);
assertTrue(fragments[0].isEqual());
} catch(AssertionFailedError e) {
CHECK.enumerate(fragments);
throw e;
}
}
}