// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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.google.collide.client.diff;
import com.google.collide.client.diff.DeltaInfoBar.Css;
import com.google.collide.dto.client.DtoClientImpls.DiffStatsDtoImpl;
import com.google.gwt.core.client.GWT;
import com.google.gwt.junit.client.GWTTestCase;
import elemental.html.DivElement;
/**
* Tests the {@link DeltaInfoBar}
*
*/
public class DeltaInfoBarTest extends GWTTestCase {
private static final int ADDED_LINES = 20;
private static final int LARGE_TOTAL = 1000;
private static final int CHANGED_LINES = 50;
private static final int DELETED_LINES = 49;
private static final int UNCHANGED_LINES = 1;
@Override
public String getModuleName() {
return "com.google.collide.client.TestCode";
}
public void testAtLeastOne() {
assertEquals(1, DeltaInfoBar.calculateBars(1, LARGE_TOTAL));
}
public void testBarCount() {
DiffStatsDtoImpl diffStats = (DiffStatsDtoImpl) DiffStatsDtoImpl.create();
diffStats
.setAdded(ADDED_LINES)
.setChanged(CHANGED_LINES)
.setDeleted(DELETED_LINES)
.setUnchanged(UNCHANGED_LINES);
DeltaInfoBar.Resources res = (DeltaInfoBar.Resources) GWT.create(DeltaInfoBar.Resources.class);
DeltaInfoBar deltaInfoBar = DeltaInfoBar.create(res, diffStats, false);
DivElement barsDiv = deltaInfoBar.getView().barsDiv;
Css css = res.deltaInfoBarCss();
int addedBars = barsDiv.getElementsByClassName(css.added()).getLength();
int removedBars = barsDiv.getElementsByClassName(css.deleted()).getLength();
int modifiedBars = barsDiv.getElementsByClassName(css.modified()).getLength();
int unmodifiedBars = barsDiv.getElementsByClassName(css.unmodified()).getLength();
// verify the total count
assertEquals(DeltaInfoBar.BAR_COUNT, addedBars + removedBars + modifiedBars + unmodifiedBars);
// Because BAR_COUNT can change, and testing the exact amounts involves
// re-implementing calculateBars here, we verify that the ordering of
// amounts is sane.
assertTrue(unmodifiedBars <= addedBars);
assertTrue(addedBars <= removedBars);
assertTrue(removedBars <= modifiedBars);
assertEquals(DeltaInfoBar.BAR_COUNT - (addedBars + removedBars + modifiedBars), unmodifiedBars);
}
public void testZero() {
assertEquals(0, DeltaInfoBar.calculateBars(0, LARGE_TOTAL));
}
}