eclipse/plugins/com.android.ide.eclipse.tests/unittests/com/android/ide/eclipse/adt/internal/editors/layout/UiElementPullParserTest.java - platform/sdk - Git at Google

 /*
  * Copyright (C) 2008 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.eclipse.adt.internal.editors.layout;

 import com.android.SdkConstants;
 import com.android.ide.common.api.IAttributeInfo.Format;
 import com.android.ide.common.resources.platform.AttributeInfo;
 import com.android.ide.eclipse.adt.internal.editors.descriptors.AttributeDescriptor;
 import com.android.ide.eclipse.adt.internal.editors.descriptors.ElementDescriptor;
 import com.android.ide.eclipse.adt.internal.editors.descriptors.TextAttributeDescriptor;
 import com.android.ide.eclipse.adt.internal.editors.mock.MockXmlNode;
 import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode;
 import com.android.resources.Density;

 import org.w3c.dom.Node;
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;

 import java.util.HashMap;

 import junit.framework.TestCase;

 public class UiElementPullParserTest extends TestCase {

     private UiElementNode ui;
     private HashMap<String, String> button1Map;
     private HashMap<String, String> button2Map;
     private HashMap<String, String> textMap;

     private TextAttributeDescriptor createTextAttrDesc(String xmlName) {
         return new TextAttributeDescriptor(
                 xmlName,    // xmlLocalName
                 SdkConstants.NS_RESOURCES,
                 new AttributeInfo(xmlName, Format.STRING_SET)
                 );
     }

     @Override
     protected void setUp() throws Exception {
         // set up some basic descriptors.
         // We have button, textview, linear layout, relative layout.
         // only the layouts have children (all 4 descriptors possible)
         // Also add some dummy attributes.
         ElementDescriptor buttonDescriptor = new ElementDescriptor("Button", "Button", "", "",
                 new AttributeDescriptor[] {
                         createTextAttrDesc("name"),
                         createTextAttrDesc("text"),
                     },
                 new ElementDescriptor[] {}, false);

         ElementDescriptor textDescriptor = new ElementDescriptor("TextView", "TextView", "", "",
                 new AttributeDescriptor[] {
                         createTextAttrDesc("name"),
                         createTextAttrDesc("text"),
                     },
                 new ElementDescriptor[] {}, false);

         ElementDescriptor linearDescriptor = new ElementDescriptor("LinearLayout", "Linear Layout",
                 "", "",
                 new AttributeDescriptor[] {
                         createTextAttrDesc("orientation"),
                     },
                 new ElementDescriptor[] { }, false);

         ElementDescriptor relativeDescriptor = new ElementDescriptor("RelativeLayout",
                 "Relative Layout", "", "",
                 new AttributeDescriptor[] {
                         createTextAttrDesc("orientation"),
                     },
                 new ElementDescriptor[] { }, false);

         ElementDescriptor[] a = new ElementDescriptor[] {
                 buttonDescriptor, textDescriptor, linearDescriptor, relativeDescriptor
         };

         linearDescriptor.setChildren(a);
         relativeDescriptor.setChildren(a);

         // document descriptor
         ElementDescriptor rootDescriptor = new ElementDescriptor("root", "", "", "",
                 new AttributeDescriptor[] { }, a, false);


         ui = new UiElementNode(rootDescriptor);

         /* create a dummy XML file.
          * <LinearLayout android:orientation="vertical">
          *      <Button android:name="button1" android:text="button1text"/>
          *      <RelativeLayout android:orientation="toto">
          *          <Button android:name="button2" android:text="button2text"/>
          *          <TextView android:name="text1" android:text="text1text"/>
          *      </RelativeLayout>
          * </LinearLayout>
          */
         MockXmlNode button1 = new MockXmlNode(null /* namespace */, "Button", Node.ELEMENT_NODE,
                 null);
         button1.addAttributes(SdkConstants.NS_RESOURCES, "name", "button1");
         button1.addAttributes(SdkConstants.NS_RESOURCES, "text", "button1text");

         // create a map of the attributes we add to the multi-attribute nodes so that
         // we can more easily test the values when we parse the XML.
         // This is due to some attributes showing in a certain order for a node and in a different
         // order in another node. Since the order doesn't matter, we just simplify the test.
         button1Map = new HashMap<String, String>();
         button1Map.put("name", "button1");
         button1Map.put("text", "button1text");

         MockXmlNode button2 = new MockXmlNode(null /* namespace */, "Button", Node.ELEMENT_NODE,
                 null);
         button2.addAttributes(SdkConstants.NS_RESOURCES, "name", "button2");
         button2.addAttributes(SdkConstants.NS_RESOURCES, "text", "button2text");

         button2Map = new HashMap<String, String>();
         button2Map.put("name", "button2");
         button2Map.put("text", "button2text");

         MockXmlNode text = new MockXmlNode(null /* namespace */, "TextView", Node.ELEMENT_NODE,
                 null);
         text.addAttributes(SdkConstants.NS_RESOURCES, "name", "text1");
         text.addAttributes(SdkConstants.NS_RESOURCES, "text", "text1text");

         textMap = new HashMap<String, String>();
         textMap.put("name", "text1");
         textMap.put("text", "text1text");

         MockXmlNode relative = new MockXmlNode(null /* namespace */, "RelativeLayout",
                 Node.ELEMENT_NODE, new MockXmlNode[] { button2, text });
         relative.addAttributes(SdkConstants.NS_RESOURCES, "orientation", "toto");

         MockXmlNode linear = new MockXmlNode(null /* namespace */, "LinearLayout",
                 Node.ELEMENT_NODE, new MockXmlNode[] { button1, relative });
         linear.addAttributes(SdkConstants.NS_RESOURCES, "orientation", "vertical");

         MockXmlNode root = new MockXmlNode(null /* namespace */, "root", Node.ELEMENT_NODE,
                 new MockXmlNode[] { linear });

         // put the namespace/prefix in place
         root.setPrefix(SdkConstants.NS_RESOURCES, "android");

         // load the xml into the UiElementNode
         ui.loadFromXmlNode(root);

         super.setUp();
     }

     @Override
     protected void tearDown() throws Exception {
         super.tearDown();
     }

     public void testParser() {
         try {
             // wrap the parser around the ui element node, and start parsing
             UiElementPullParser parser = new UiElementPullParser(
                     ui, // model
                     false, // explodedView
                     null, // explodeNodes
                     Density.MEDIUM, // density (default from ConfigurationComposite)
                     null // iProject
                     );

             assertEquals(XmlPullParser.START_DOCUMENT, parser.getEventType());

             // top level Linear layout
             assertEquals(XmlPullParser.START_TAG, parser.next());
             assertEquals("LinearLayout", parser.getName());
             assertEquals(1, parser.getAttributeCount());
             assertEquals("orientation", parser.getAttributeName(0));
             assertEquals(SdkConstants.NS_RESOURCES, parser.getAttributeNamespace(0));
             assertEquals("android", parser.getAttributePrefix(0));
             assertEquals("vertical", parser.getAttributeValue(0));

             // Button
             assertEquals(XmlPullParser.START_TAG, parser.next());
             assertEquals("Button", parser.getName());
             assertEquals(2, parser.getAttributeCount());
             check(parser, 0, button1Map);
             check(parser, 1, button1Map);
             // end of button
             assertEquals(XmlPullParser.END_TAG, parser.next());

             // Relative Layout
             assertEquals(XmlPullParser.START_TAG, parser.next());
             assertEquals("RelativeLayout", parser.getName());
             assertEquals(1, parser.getAttributeCount());
             assertEquals("orientation", parser.getAttributeName(0));
             assertEquals(SdkConstants.NS_RESOURCES, parser.getAttributeNamespace(0));
             assertEquals("android", parser.getAttributePrefix(0));
             assertEquals("toto", parser.getAttributeValue(0));

             // Button
             assertEquals(XmlPullParser.START_TAG, parser.next());
             assertEquals("Button", parser.getName());
             assertEquals(2, parser.getAttributeCount());
             check(parser, 0, button2Map);
             check(parser, 1, button2Map);
             // end of button
             assertEquals(XmlPullParser.END_TAG, parser.next());

             // TextView
             assertEquals(XmlPullParser.START_TAG, parser.next());
             assertEquals("TextView", parser.getName());
             assertEquals(2, parser.getAttributeCount());
             check(parser, 0, textMap);
             check(parser, 1, textMap);
             // end of TextView
             assertEquals(XmlPullParser.END_TAG, parser.next());

             // end of RelativeLayout
             assertEquals(XmlPullParser.END_TAG, parser.next());


             // end of top level linear layout
             assertEquals(XmlPullParser.END_TAG, parser.next());

             assertEquals(XmlPullParser.END_DOCUMENT, parser.next());
         } catch (XmlPullParserException e) {
             e.printStackTrace();
             assertTrue(false);
         }
     }

     /**
      * Receives a {@link XmlPullParser} at the START_TAG level, and checks the i-th attribute
      * to be present in the {@link HashMap} with the proper (name, value)
      * @param parser
      * @param i
      * @param map
      */
     private void check(UiElementPullParser parser, int i, HashMap<String, String> map) {
         String name = parser.getAttributeName(i);
         String value = parser.getAttributeValue(i);

         String referenceValue = map.get(name);
         assertNotNull(referenceValue);
         assertEquals(referenceValue, value);

         assertEquals(SdkConstants.NS_RESOURCES, parser.getAttributeNamespace(i));
         assertEquals("android", parser.getAttributePrefix(i));
     }

 }
	/*
	* Copyright (C) 2008 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.eclipse.adt.internal.editors.layout;

	import com.android.SdkConstants;
	import com.android.ide.common.api.IAttributeInfo.Format;
	import com.android.ide.common.resources.platform.AttributeInfo;
	import com.android.ide.eclipse.adt.internal.editors.descriptors.AttributeDescriptor;
	import com.android.ide.eclipse.adt.internal.editors.descriptors.ElementDescriptor;
	import com.android.ide.eclipse.adt.internal.editors.descriptors.TextAttributeDescriptor;
	import com.android.ide.eclipse.adt.internal.editors.mock.MockXmlNode;
	import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode;
	import com.android.resources.Density;

	import org.w3c.dom.Node;
	import org.xmlpull.v1.XmlPullParser;
	import org.xmlpull.v1.XmlPullParserException;

	import java.util.HashMap;

	import junit.framework.TestCase;

	public class UiElementPullParserTest extends TestCase {

	private UiElementNode ui;
	private HashMap<String, String> button1Map;
	private HashMap<String, String> button2Map;
	private HashMap<String, String> textMap;

	private TextAttributeDescriptor createTextAttrDesc(String xmlName) {
	return new TextAttributeDescriptor(
	xmlName, // xmlLocalName
	SdkConstants.NS_RESOURCES,
	new AttributeInfo(xmlName, Format.STRING_SET)
	);
	}

	@Override
	protected void setUp() throws Exception {
	// set up some basic descriptors.
	// We have button, textview, linear layout, relative layout.
	// only the layouts have children (all 4 descriptors possible)
	// Also add some dummy attributes.
	ElementDescriptor buttonDescriptor = new ElementDescriptor("Button", "Button", "", "",
	new AttributeDescriptor[] {
	createTextAttrDesc("name"),
	createTextAttrDesc("text"),
	},
	new ElementDescriptor[] {}, false);

	ElementDescriptor textDescriptor = new ElementDescriptor("TextView", "TextView", "", "",
	new AttributeDescriptor[] {
	createTextAttrDesc("name"),
	createTextAttrDesc("text"),
	},
	new ElementDescriptor[] {}, false);

	ElementDescriptor linearDescriptor = new ElementDescriptor("LinearLayout", "Linear Layout",
	"", "",
	new AttributeDescriptor[] {
	createTextAttrDesc("orientation"),
	},
	new ElementDescriptor[] { }, false);

	ElementDescriptor relativeDescriptor = new ElementDescriptor("RelativeLayout",
	"Relative Layout", "", "",
	new AttributeDescriptor[] {
	createTextAttrDesc("orientation"),
	},
	new ElementDescriptor[] { }, false);

	ElementDescriptor[] a = new ElementDescriptor[] {
	buttonDescriptor, textDescriptor, linearDescriptor, relativeDescriptor
	};

	linearDescriptor.setChildren(a);
	relativeDescriptor.setChildren(a);

	// document descriptor
	ElementDescriptor rootDescriptor = new ElementDescriptor("root", "", "", "",
	new AttributeDescriptor[] { }, a, false);


	ui = new UiElementNode(rootDescriptor);

	/* create a dummy XML file.
	* <LinearLayout android:orientation="vertical">
	* <Button android:name="button1" android:text="button1text"/>
	* <RelativeLayout android:orientation="toto">
	* <Button android:name="button2" android:text="button2text"/>
	* <TextView android:name="text1" android:text="text1text"/>
	* </RelativeLayout>
	* </LinearLayout>
	*/
	MockXmlNode button1 = new MockXmlNode(null /* namespace */, "Button", Node.ELEMENT_NODE,
	null);
	button1.addAttributes(SdkConstants.NS_RESOURCES, "name", "button1");
	button1.addAttributes(SdkConstants.NS_RESOURCES, "text", "button1text");

	// create a map of the attributes we add to the multi-attribute nodes so that
	// we can more easily test the values when we parse the XML.
	// This is due to some attributes showing in a certain order for a node and in a different
	// order in another node. Since the order doesn't matter, we just simplify the test.
	button1Map = new HashMap<String, String>();
	button1Map.put("name", "button1");
	button1Map.put("text", "button1text");

	MockXmlNode button2 = new MockXmlNode(null /* namespace */, "Button", Node.ELEMENT_NODE,
	null);
	button2.addAttributes(SdkConstants.NS_RESOURCES, "name", "button2");
	button2.addAttributes(SdkConstants.NS_RESOURCES, "text", "button2text");

	button2Map = new HashMap<String, String>();
	button2Map.put("name", "button2");
	button2Map.put("text", "button2text");

	MockXmlNode text = new MockXmlNode(null /* namespace */, "TextView", Node.ELEMENT_NODE,
	null);
	text.addAttributes(SdkConstants.NS_RESOURCES, "name", "text1");
	text.addAttributes(SdkConstants.NS_RESOURCES, "text", "text1text");

	textMap = new HashMap<String, String>();
	textMap.put("name", "text1");
	textMap.put("text", "text1text");

	MockXmlNode relative = new MockXmlNode(null /* namespace */, "RelativeLayout",
	Node.ELEMENT_NODE, new MockXmlNode[] { button2, text });
	relative.addAttributes(SdkConstants.NS_RESOURCES, "orientation", "toto");

	MockXmlNode linear = new MockXmlNode(null /* namespace */, "LinearLayout",
	Node.ELEMENT_NODE, new MockXmlNode[] { button1, relative });
	linear.addAttributes(SdkConstants.NS_RESOURCES, "orientation", "vertical");

	MockXmlNode root = new MockXmlNode(null /* namespace */, "root", Node.ELEMENT_NODE,
	new MockXmlNode[] { linear });

	// put the namespace/prefix in place
	root.setPrefix(SdkConstants.NS_RESOURCES, "android");

	// load the xml into the UiElementNode
	ui.loadFromXmlNode(root);

	super.setUp();
	}

	@Override
	protected void tearDown() throws Exception {
	super.tearDown();
	}

	public void testParser() {
	try {
	// wrap the parser around the ui element node, and start parsing
	UiElementPullParser parser = new UiElementPullParser(
	ui, // model
	false, // explodedView
	null, // explodeNodes
	Density.MEDIUM, // density (default from ConfigurationComposite)
	null // iProject
	);

	assertEquals(XmlPullParser.START_DOCUMENT, parser.getEventType());

	// top level Linear layout
	assertEquals(XmlPullParser.START_TAG, parser.next());
	assertEquals("LinearLayout", parser.getName());
	assertEquals(1, parser.getAttributeCount());
	assertEquals("orientation", parser.getAttributeName(0));
	assertEquals(SdkConstants.NS_RESOURCES, parser.getAttributeNamespace(0));
	assertEquals("android", parser.getAttributePrefix(0));
	assertEquals("vertical", parser.getAttributeValue(0));

	// Button
	assertEquals(XmlPullParser.START_TAG, parser.next());
	assertEquals("Button", parser.getName());
	assertEquals(2, parser.getAttributeCount());
	check(parser, 0, button1Map);
	check(parser, 1, button1Map);
	// end of button
	assertEquals(XmlPullParser.END_TAG, parser.next());

	// Relative Layout
	assertEquals(XmlPullParser.START_TAG, parser.next());
	assertEquals("RelativeLayout", parser.getName());
	assertEquals(1, parser.getAttributeCount());
	assertEquals("orientation", parser.getAttributeName(0));
	assertEquals(SdkConstants.NS_RESOURCES, parser.getAttributeNamespace(0));
	assertEquals("android", parser.getAttributePrefix(0));
	assertEquals("toto", parser.getAttributeValue(0));

	// Button
	assertEquals(XmlPullParser.START_TAG, parser.next());
	assertEquals("Button", parser.getName());
	assertEquals(2, parser.getAttributeCount());
	check(parser, 0, button2Map);
	check(parser, 1, button2Map);
	// end of button
	assertEquals(XmlPullParser.END_TAG, parser.next());

	// TextView
	assertEquals(XmlPullParser.START_TAG, parser.next());
	assertEquals("TextView", parser.getName());
	assertEquals(2, parser.getAttributeCount());
	check(parser, 0, textMap);
	check(parser, 1, textMap);
	// end of TextView
	assertEquals(XmlPullParser.END_TAG, parser.next());

	// end of RelativeLayout
	assertEquals(XmlPullParser.END_TAG, parser.next());


	// end of top level linear layout
	assertEquals(XmlPullParser.END_TAG, parser.next());

	assertEquals(XmlPullParser.END_DOCUMENT, parser.next());
	} catch (XmlPullParserException e) {
	e.printStackTrace();
	assertTrue(false);
	}
	}

	/**
	* Receives a {@link XmlPullParser} at the START_TAG level, and checks the i-th attribute
	* to be present in the {@link HashMap} with the proper (name, value)
	* @param parser
	* @param i
	* @param map
	*/
	private void check(UiElementPullParser parser, int i, HashMap<String, String> map) {
	String name = parser.getAttributeName(i);
	String value = parser.getAttributeValue(i);

	String referenceValue = map.get(name);
	assertNotNull(referenceValue);
	assertEquals(referenceValue, value);

	assertEquals(SdkConstants.NS_RESOURCES, parser.getAttributeNamespace(i));
	assertEquals("android", parser.getAttributePrefix(i));
	}

	}