/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
*
* 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.android.ide.common.layout.relative;
import static com.android.SdkConstants.ATTR_ID;
import static com.android.SdkConstants.ANDROID_URI;
import com.android.ide.common.api.INode;
import com.android.ide.common.layout.BaseViewRule;
import com.android.ide.common.layout.TestNode;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import junit.framework.TestCase;
@SuppressWarnings("javadoc")
public class DeletionHandlerTest extends TestCase {
public void testSimple() {
String xml = "" +
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
"<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n" +
" xmlns:tools=\"http://schemas.android.com/tools\"\n" +
" android:layout_width=\"match_parent\"\n" +
" android:layout_height=\"match_parent\"\n" +
" tools:ignore=\"HardcodedText\" >\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignParentLeft=\"true\"\n" +
" android:text=\"A\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button2\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button1\"\n" +
" android:layout_alignBottom=\"@+id/button1\"\n" +
" android:layout_toRightOf=\"@+id/button1\"\n" +
" android:text=\"B\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button3\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBottom=\"@+id/button2\"\n" +
" android:layout_toRightOf=\"@+id/button2\"\n" +
" android:text=\"C\" />\n" +
"\n" +
"</RelativeLayout>";
TestNode targetNode = TestNode.createFromXml(xml);
assertNotNull(targetNode);
TestNode button2 = TestNode.findById(targetNode, "@+id/button2");
INode layout = button2.getParent();
List<INode> deletedNodes = Collections.<INode>singletonList(button2);
List<INode> movedNodes = Collections.<INode>emptyList();
assertSame(layout, targetNode);
layout.removeChild(button2);
DeletionHandler handler = new DeletionHandler(deletedNodes, movedNodes, layout);
handler.updateConstraints();
String updated = TestNode.toXml(targetNode);
assertEquals(
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
"<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n" +
" xmlns:tools=\"http://schemas.android.com/tools\"\n" +
" android:layout_width=\"match_parent\"\n" +
" android:layout_height=\"match_parent\"\n" +
" tools:ignore=\"HardcodedText\">\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignParentLeft=\"true\"\n" +
" android:text=\"A\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button3\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button1\"\n" +
" android:layout_alignBottom=\"@+id/button1\"\n" +
" android:layout_toRightOf=\"@+id/button1\"\n" +
" android:text=\"C\">\n" +
" </Button>\n" +
"\n" +
"</RelativeLayout>",
updated);
assertFalse(updated.contains(BaseViewRule.stripIdPrefix(button2.getStringAttr(ANDROID_URI,
ATTR_ID))));
}
public void testTransitive() {
String xml = "" +
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
"<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n" +
" xmlns:tools=\"http://schemas.android.com/tools\"\n" +
" android:layout_width=\"match_parent\"\n" +
" android:layout_height=\"match_parent\"\n" +
" tools:ignore=\"HardcodedText\" >\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignParentLeft=\"true\"\n" +
" android:layout_alignParentTop=\"true\"\n" +
" android:text=\"Above\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button2\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignParentLeft=\"true\"\n" +
" android:layout_below=\"@+id/button1\"\n" +
" android:text=\"A\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button3\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button2\"\n" +
" android:layout_alignBottom=\"@+id/button2\"\n" +
" android:layout_toRightOf=\"@+id/button2\"\n" +
" android:text=\"B\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button4\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBottom=\"@+id/button3\"\n" +
" android:layout_toRightOf=\"@+id/button3\"\n" +
" android:text=\"C\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button5\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button4\"\n" +
" android:layout_alignBottom=\"@+id/button4\"\n" +
" android:layout_toRightOf=\"@+id/button4\"\n" +
" android:text=\"D\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button6\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBottom=\"@+id/button5\"\n" +
" android:layout_toRightOf=\"@+id/button5\"\n" +
" android:text=\"E\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button7\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignLeft=\"@+id/button3\"\n" +
" android:layout_below=\"@+id/button3\"\n" +
" android:text=\"Button\" />\n" +
"\n" +
" <CheckBox\n" +
" android:id=\"@+id/checkBox1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button7\"\n" +
" android:layout_alignBottom=\"@+id/button7\"\n" +
" android:layout_toRightOf=\"@+id/button7\"\n" +
" android:text=\"CheckBox\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button8\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_below=\"@+id/checkBox1\"\n" +
" android:layout_toRightOf=\"@+id/checkBox1\"\n" +
" android:text=\"Button\" />\n" +
"\n" +
"</RelativeLayout>";
TestNode targetNode = TestNode.createFromXml(xml);
assertNotNull(targetNode);
TestNode button7 = TestNode.findById(targetNode, "@+id/button7");
TestNode checkBox = TestNode.findById(targetNode, "@+id/checkBox1");
INode layout = button7.getParent();
List<INode> deletedNodes = Arrays.<INode>asList(button7, checkBox);
List<INode> movedNodes = Collections.<INode>emptyList();
assertSame(layout, targetNode);
layout.removeChild(button7);
layout.removeChild(checkBox);
DeletionHandler handler = new DeletionHandler(deletedNodes, movedNodes, layout);
handler.updateConstraints();
String updated = TestNode.toXml(targetNode);
assertEquals(
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
"<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n" +
" xmlns:tools=\"http://schemas.android.com/tools\"\n" +
" android:layout_width=\"match_parent\"\n" +
" android:layout_height=\"match_parent\"\n" +
" tools:ignore=\"HardcodedText\">\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignParentLeft=\"true\"\n" +
" android:layout_alignParentTop=\"true\"\n" +
" android:text=\"Above\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button2\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignParentLeft=\"true\"\n" +
" android:layout_below=\"@+id/button1\"\n" +
" android:text=\"A\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button3\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button2\"\n" +
" android:layout_alignBottom=\"@+id/button2\"\n" +
" android:layout_toRightOf=\"@+id/button2\"\n" +
" android:text=\"B\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button4\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBottom=\"@+id/button3\"\n" +
" android:layout_toRightOf=\"@+id/button3\"\n" +
" android:text=\"C\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button5\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button4\"\n" +
" android:layout_alignBottom=\"@+id/button4\"\n" +
" android:layout_toRightOf=\"@+id/button4\"\n" +
" android:text=\"D\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button6\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBottom=\"@+id/button5\"\n" +
" android:layout_toRightOf=\"@+id/button5\"\n" +
" android:text=\"E\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button8\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignLeft=\"@+id/button3\"\n" +
" android:layout_below=\"@+id/button3\"\n" +
" android:text=\"Button\">\n" +
" </Button>\n" +
"\n" +
"</RelativeLayout>",
updated);
assertFalse(updated.contains(BaseViewRule.stripIdPrefix(button7.getStringAttr(ANDROID_URI,
ATTR_ID))));
}
public void testCenter() {
String xml =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
"<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n" +
" xmlns:tools=\"http://schemas.android.com/tools\"\n" +
" android:layout_width=\"match_parent\"\n" +
" android:layout_height=\"match_parent\"\n" +
" tools:ignore=\"HardcodedText\" >\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_centerInParent=\"true\"\n" +
" android:text=\"Button\" />\n" +
"\n" +
" <CheckBox\n" +
" android:id=\"@+id/checkBox1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_below=\"@+id/button1\"\n" +
" android:layout_toRightOf=\"@+id/button1\"\n" +
" android:text=\"CheckBox\" />\n" +
"\n" +
"</RelativeLayout>";
TestNode targetNode = TestNode.createFromXml(xml);
assertNotNull(targetNode);
TestNode button1 = TestNode.findById(targetNode, "@+id/button1");
INode layout = button1.getParent();
List<INode> deletedNodes = Collections.<INode>singletonList(button1);
List<INode> movedNodes = Collections.<INode>emptyList();
assertSame(layout, targetNode);
layout.removeChild(button1);
DeletionHandler handler = new DeletionHandler(deletedNodes, movedNodes, layout);
handler.updateConstraints();
String updated = TestNode.toXml(targetNode);
assertEquals(
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
"<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n" +
" xmlns:tools=\"http://schemas.android.com/tools\"\n" +
" android:layout_width=\"match_parent\"\n" +
" android:layout_height=\"match_parent\"\n" +
" tools:ignore=\"HardcodedText\">\n" +
"\n" +
" <CheckBox\n" +
" android:id=\"@+id/checkBox1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_centerInParent=\"true\"\n" +
" android:text=\"CheckBox\">\n" +
" </CheckBox>\n" +
"\n" +
"</RelativeLayout>",
updated);
assertFalse(updated.contains(BaseViewRule.stripIdPrefix(button1.getStringAttr(ANDROID_URI,
ATTR_ID))));
}
public void testMove() {
String xml = "" +
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
"<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n" +
" xmlns:tools=\"http://schemas.android.com/tools\"\n" +
" android:layout_width=\"match_parent\"\n" +
" android:layout_height=\"match_parent\"\n" +
" tools:ignore=\"HardcodedText\" >\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignParentLeft=\"true\"\n" +
" android:text=\"A\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button2\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button1\"\n" +
" android:layout_alignBottom=\"@+id/button1\"\n" +
" android:layout_toRightOf=\"@+id/button1\"\n" +
" android:text=\"B\" />\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button3\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBottom=\"@+id/button2\"\n" +
" android:layout_toRightOf=\"@+id/button2\"\n" +
" android:text=\"C\" />\n" +
"\n" +
"</RelativeLayout>";
TestNode targetNode = TestNode.createFromXml(xml);
assertNotNull(targetNode);
TestNode button2 = TestNode.findById(targetNode, "@+id/button2");
INode layout = button2.getParent();
List<INode> deletedNodes = Collections.<INode>singletonList(button2);
List<INode> movedNodes = Collections.<INode>singletonList(button2);
assertSame(layout, targetNode);
DeletionHandler handler = new DeletionHandler(deletedNodes, movedNodes, layout);
handler.updateConstraints();
String updated = TestNode.toXml(targetNode);
assertEquals(
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
"<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"\n" +
" xmlns:tools=\"http://schemas.android.com/tools\"\n" +
" android:layout_width=\"match_parent\"\n" +
" android:layout_height=\"match_parent\"\n" +
" tools:ignore=\"HardcodedText\">\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button1\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignParentLeft=\"true\"\n" +
" android:text=\"A\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button2\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBaseline=\"@+id/button1\"\n" +
" android:layout_alignBottom=\"@+id/button1\"\n" +
" android:layout_toRightOf=\"@+id/button1\"\n" +
" android:text=\"B\">\n" +
" </Button>\n" +
"\n" +
" <Button\n" +
" android:id=\"@+id/button3\"\n" +
" android:layout_width=\"wrap_content\"\n" +
" android:layout_height=\"wrap_content\"\n" +
" android:layout_alignBottom=\"@+id/button2\"\n" +
" android:layout_toRightOf=\"@+id/button2\"\n" +
" android:text=\"C\">\n" +
" </Button>\n" +
"\n" +
"</RelativeLayout>",
updated);
assertTrue(updated.contains(BaseViewRule.stripIdPrefix(button2.getStringAttr(ANDROID_URI,
ATTR_ID))));
}
}