dart/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/internal/html/angular/AngularHtmlUnitUtilsTest.java - external/dart - Git at Google

 /*
  * Copyright (c) 2013, the Dart project authors.
  *
  * Licensed under the Eclipse Public License v1.0 (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/legal/epl-v10.html
  *
  * 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.dart.engine.internal.html.angular;

 import com.google.dart.engine.ast.Expression;
 import com.google.dart.engine.element.Element;
 import com.google.dart.engine.element.PropertyAccessorElement;
 import com.google.dart.engine.element.VariableElement;
 import com.google.dart.engine.element.angular.AngularControllerElement;
 import com.google.dart.engine.html.ast.HtmlUnitUtils;
 import com.google.dart.engine.html.ast.XmlTagNode;

 /**
  * Tests for {@link HtmlUnitUtils} for Angular HTMLs.
  */
 public class AngularHtmlUnitUtilsTest extends AngularTest {
   public void test_getElement_forExpression() throws Exception {
     addMyController();
     resolveSimpleCtrlFieldHtml();
     // prepare expression
     int offset = indexContent.indexOf("ctrl");
     Expression expression = HtmlUnitUtils.getExpression(indexUnit, offset);
     // get element
     Element element = HtmlUnitUtils.getElement(expression);
     assertInstanceOf(VariableElement.class, element);
     assertEquals("ctrl", element.getName());
   }

   public void test_getElement_forExpression_null() throws Exception {
     Element element = HtmlUnitUtils.getElement(null);
     assertNull(element);
   }

   public void test_getElement_forOffset() throws Exception {
     addMyController();
     resolveSimpleCtrlFieldHtml();
     // no expression
     {
       Element element = HtmlUnitUtils.getElementAtOffset(indexUnit, 0);
       assertNull(element);
     }
     // has expression at offset
     {
       int offset = indexContent.indexOf("field");
       Element element = HtmlUnitUtils.getElementAtOffset(indexUnit, offset);
       assertInstanceOf(PropertyAccessorElement.class, element);
       assertEquals("field", element.getName());
     }
   }

   public void test_getElementToOpen_controller() throws Exception {
     addMyController();
     resolveSimpleCtrlFieldHtml();
     // prepare expression
     int offset = indexContent.indexOf("ctrl");
     Expression expression = HtmlUnitUtils.getExpression(indexUnit, offset);
     // get element
     Element element = HtmlUnitUtils.getElementToOpen(indexUnit, expression);
     assertInstanceOf(AngularControllerElement.class, element);
     assertEquals("ctrl", element.getName());
   }

   public void test_getElementToOpen_field() throws Exception {
     addMyController();
     resolveSimpleCtrlFieldHtml();
     // prepare expression
     int offset = indexContent.indexOf("field");
     Expression expression = HtmlUnitUtils.getExpression(indexUnit, offset);
     // get element
     Element element = HtmlUnitUtils.getElementToOpen(indexUnit, expression);
     assertInstanceOf(PropertyAccessorElement.class, element);
     assertEquals("field", element.getName());
   }

   public void test_getEnclosingTagNode() throws Exception {
     resolveIndex(createSource(//
         "<html>",
         "  <body ng-app>",
         "    <badge name='abc'> 123 </badge>",
         "  </body>",
         "</html>"));
     // no unit
     assertNull(HtmlUnitUtils.getEnclosingTagNode(null, 0));
     // wrong offset
     assertNull(HtmlUnitUtils.getEnclosingTagNode(indexUnit, -1));
     // valid offset
     XmlTagNode expected = getEnclosingTagNode("<badge");
     assertNotNull(expected);
     assertEquals("badge", expected.getTag());
     assertSame(expected, getEnclosingTagNode("badge"));
     assertSame(expected, getEnclosingTagNode("name="));
     assertSame(expected, getEnclosingTagNode("123"));
     assertSame(expected, getEnclosingTagNode("/badge"));
   }

   public void test_getExpression() throws Exception {
     addMyController();
     resolveSimpleCtrlFieldHtml();
     // try offset without expression
     assertNull(HtmlUnitUtils.getExpression(indexUnit, 0));
     // try offset with expression
     int offset = indexContent.indexOf("ctrl");
     assertNotNull(HtmlUnitUtils.getExpression(indexUnit, offset));
     assertNotNull(HtmlUnitUtils.getExpression(indexUnit, offset + 1));
     assertNotNull(HtmlUnitUtils.getExpression(indexUnit, offset + 2));
     assertNotNull(HtmlUnitUtils.getExpression(indexUnit, offset + "ctrl.field".length()));
     // try without unit
     assertNull(HtmlUnitUtils.getExpression(null, offset));
   }

   public void test_getTagNode() throws Exception {
     resolveIndex(createSource(//
         "<html>",
         "  <body ng-app>",
         "    <badge name='abc'> 123 </badge> done",
         "  </body>",
         "</html>"));
     // no unit
     assertNull(HtmlUnitUtils.getTagNode(null, 0));
     // wrong offset
     assertNull(HtmlUnitUtils.getTagNode(indexUnit, -1));
     // on tag name
     XmlTagNode expected = getTagNode("badge name=");
     assertNotNull(expected);
     assertEquals("badge", expected.getTag());
     assertSame(expected, getTagNode("badge"));
     assertSame(expected, getTagNode(" name="));
     assertSame(expected, getTagNode("adge name="));
     assertSame(expected, getTagNode("badge>"));
     assertSame(expected, getTagNode("adge>"));
     assertSame(expected, getTagNode("> done"));
     // in tag node, but not on the name token
     assertNull(getTagNode("name="));
     assertNull(getTagNode("123"));
   }

   private XmlTagNode getEnclosingTagNode(String search) {
     return HtmlUnitUtils.getEnclosingTagNode(indexUnit, indexContent.indexOf(search));
   }

   private XmlTagNode getTagNode(String search) {
     return HtmlUnitUtils.getTagNode(indexUnit, indexContent.indexOf(search));
   }

   private void resolveSimpleCtrlFieldHtml() throws Exception {
     resolveIndex(createSource(//
         "<html>",
         "  <body ng-app>",
         "    <div my-controller>",
         "      {{ctrl.field}}",
         "    </div>",
         "    <script type='application/dart' src='main.dart'></script>",
         "  </body>",
         "</html>"));
   }
 }
	/*
	* Copyright (c) 2013, the Dart project authors.
	*
	* Licensed under the Eclipse Public License v1.0 (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/legal/epl-v10.html
	*
	* 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.dart.engine.internal.html.angular;

	import com.google.dart.engine.ast.Expression;
	import com.google.dart.engine.element.Element;
	import com.google.dart.engine.element.PropertyAccessorElement;
	import com.google.dart.engine.element.VariableElement;
	import com.google.dart.engine.element.angular.AngularControllerElement;
	import com.google.dart.engine.html.ast.HtmlUnitUtils;
	import com.google.dart.engine.html.ast.XmlTagNode;

	/**
	* Tests for {@link HtmlUnitUtils} for Angular HTMLs.
	*/
	public class AngularHtmlUnitUtilsTest extends AngularTest {
	public void test_getElement_forExpression() throws Exception {
	addMyController();
	resolveSimpleCtrlFieldHtml();
	// prepare expression
	int offset = indexContent.indexOf("ctrl");
	Expression expression = HtmlUnitUtils.getExpression(indexUnit, offset);
	// get element
	Element element = HtmlUnitUtils.getElement(expression);
	assertInstanceOf(VariableElement.class, element);
	assertEquals("ctrl", element.getName());
	}

	public void test_getElement_forExpression_null() throws Exception {
	Element element = HtmlUnitUtils.getElement(null);
	assertNull(element);
	}

	public void test_getElement_forOffset() throws Exception {
	addMyController();
	resolveSimpleCtrlFieldHtml();
	// no expression
	{
	Element element = HtmlUnitUtils.getElementAtOffset(indexUnit, 0);
	assertNull(element);
	}
	// has expression at offset
	{
	int offset = indexContent.indexOf("field");
	Element element = HtmlUnitUtils.getElementAtOffset(indexUnit, offset);
	assertInstanceOf(PropertyAccessorElement.class, element);
	assertEquals("field", element.getName());
	}
	}

	public void test_getElementToOpen_controller() throws Exception {
	addMyController();
	resolveSimpleCtrlFieldHtml();
	// prepare expression
	int offset = indexContent.indexOf("ctrl");
	Expression expression = HtmlUnitUtils.getExpression(indexUnit, offset);
	// get element
	Element element = HtmlUnitUtils.getElementToOpen(indexUnit, expression);
	assertInstanceOf(AngularControllerElement.class, element);
	assertEquals("ctrl", element.getName());
	}

	public void test_getElementToOpen_field() throws Exception {
	addMyController();
	resolveSimpleCtrlFieldHtml();
	// prepare expression
	int offset = indexContent.indexOf("field");
	Expression expression = HtmlUnitUtils.getExpression(indexUnit, offset);
	// get element
	Element element = HtmlUnitUtils.getElementToOpen(indexUnit, expression);
	assertInstanceOf(PropertyAccessorElement.class, element);
	assertEquals("field", element.getName());
	}

	public void test_getEnclosingTagNode() throws Exception {
	resolveIndex(createSource(//
	"<html>",
	" <body ng-app>",
	" <badge name='abc'> 123 </badge>",
	" </body>",
	"</html>"));
	// no unit
	assertNull(HtmlUnitUtils.getEnclosingTagNode(null, 0));
	// wrong offset
	assertNull(HtmlUnitUtils.getEnclosingTagNode(indexUnit, -1));
	// valid offset
	XmlTagNode expected = getEnclosingTagNode("<badge");
	assertNotNull(expected);
	assertEquals("badge", expected.getTag());
	assertSame(expected, getEnclosingTagNode("badge"));
	assertSame(expected, getEnclosingTagNode("name="));
	assertSame(expected, getEnclosingTagNode("123"));
	assertSame(expected, getEnclosingTagNode("/badge"));
	}

	public void test_getExpression() throws Exception {
	addMyController();
	resolveSimpleCtrlFieldHtml();
	// try offset without expression
	assertNull(HtmlUnitUtils.getExpression(indexUnit, 0));
	// try offset with expression
	int offset = indexContent.indexOf("ctrl");
	assertNotNull(HtmlUnitUtils.getExpression(indexUnit, offset));
	assertNotNull(HtmlUnitUtils.getExpression(indexUnit, offset + 1));
	assertNotNull(HtmlUnitUtils.getExpression(indexUnit, offset + 2));
	assertNotNull(HtmlUnitUtils.getExpression(indexUnit, offset + "ctrl.field".length()));
	// try without unit
	assertNull(HtmlUnitUtils.getExpression(null, offset));
	}

	public void test_getTagNode() throws Exception {
	resolveIndex(createSource(//
	"<html>",
	" <body ng-app>",
	" <badge name='abc'> 123 </badge> done",
	" </body>",
	"</html>"));
	// no unit
	assertNull(HtmlUnitUtils.getTagNode(null, 0));
	// wrong offset
	assertNull(HtmlUnitUtils.getTagNode(indexUnit, -1));
	// on tag name
	XmlTagNode expected = getTagNode("badge name=");
	assertNotNull(expected);
	assertEquals("badge", expected.getTag());
	assertSame(expected, getTagNode("badge"));
	assertSame(expected, getTagNode(" name="));
	assertSame(expected, getTagNode("adge name="));
	assertSame(expected, getTagNode("badge>"));
	assertSame(expected, getTagNode("adge>"));
	assertSame(expected, getTagNode("> done"));
	// in tag node, but not on the name token
	assertNull(getTagNode("name="));
	assertNull(getTagNode("123"));
	}

	private XmlTagNode getEnclosingTagNode(String search) {
	return HtmlUnitUtils.getEnclosingTagNode(indexUnit, indexContent.indexOf(search));
	}

	private XmlTagNode getTagNode(String search) {
	return HtmlUnitUtils.getTagNode(indexUnit, indexContent.indexOf(search));
	}

	private void resolveSimpleCtrlFieldHtml() throws Exception {
	resolveIndex(createSource(//
	"<html>",
	" <body ng-app>",
	" <div my-controller>",
	" {{ctrl.field}}",
	" </div>",
	" <script type='application/dart' src='main.dart'></script>",
	" </body>",
	"</html>"));
	}
	}