/*
* 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>"));
}
}