/*
* Copyright 2009 Google Inc.
*
* 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.common.css.compiler.passes;
import com.google.common.collect.Lists;
import com.google.common.css.compiler.ast.BackDoorNodeMutation;
import com.google.common.css.compiler.ast.CssBlockNode;
import com.google.common.css.compiler.ast.CssDeclarationNode;
import com.google.common.css.compiler.ast.CssNode;
import com.google.common.css.compiler.ast.CssPropertyNode;
import com.google.common.css.compiler.ast.CssRootNode;
import com.google.common.css.compiler.ast.CssRulesetNode;
import com.google.common.css.compiler.ast.CssSelectorNode;
import com.google.common.css.compiler.ast.CssTree;
import com.google.common.css.compiler.ast.MutatingVisitController;
import junit.framework.TestCase;
import org.easymock.EasyMock;
import org.easymock.IMocksControl;
import java.util.List;
/**
* Unit tests for {@link SplitRulesetNodes}.
*
* @author oana@google.com (Oana Florescu)
*/
public class SplitRulesetNodesTest extends TestCase {
public void testRunPass() {
IMocksControl controller = EasyMock.createStrictControl();
MutatingVisitController visitController = controller.createMock(
MutatingVisitController.class);
SplitRulesetNodes pass = new SplitRulesetNodes(visitController);
visitController.startVisit(pass);
controller.replay();
pass.runPass();
controller.verify();
}
public void testEnterRulesetNode() {
IMocksControl controller = EasyMock.createStrictControl();
MutatingVisitController visitController = controller.createMock(
MutatingVisitController.class);
SplitRulesetNodes pass = new SplitRulesetNodes(visitController);
CssRulesetNode node = new CssRulesetNode();
List<CssNode> replacementNodes = Lists.newArrayList();
visitController.replaceCurrentBlockChildWith(replacementNodes, false);
controller.replay();
pass.enterRuleset(node);
controller.verify();
}
public void testPassResult() {
CssPropertyNode prop1 = new CssPropertyNode("padding", null);
CssPropertyNode prop2 = new CssPropertyNode("color", null);
CssDeclarationNode decl1 = new CssDeclarationNode(prop1);
CssDeclarationNode decl2 = new CssDeclarationNode(prop2);
CssRulesetNode ruleset = new CssRulesetNode();
CssSelectorNode sel = new CssSelectorNode("foo", null);
ruleset.addSelector(sel);
ruleset.addDeclaration(decl1);
ruleset.addDeclaration(decl2);
CssBlockNode body = new CssBlockNode(false);
BackDoorNodeMutation.addChildToBack(body, ruleset);
CssRootNode root = new CssRootNode(body);
CssTree tree = new CssTree(null, root);
List<CssNode> replacementNodes = Lists.newArrayList();
CssRulesetNode rule = new CssRulesetNode();
rule.addDeclaration(decl1);
rule.addSelector(sel);
replacementNodes.add(rule);
rule = new CssRulesetNode();
rule.addDeclaration(decl1);
rule.addSelector(sel);
replacementNodes.add(rule);
SplitRulesetNodes pass = new SplitRulesetNodes(
tree.getMutatingVisitController());
pass.runPass();
assertEquals(tree.getRoot().getBody().toString(),
"[[foo]{[padding:[]]}, [foo]{[color:[]]}]");
assertTrue("Nodes shouldn't appear twice in AST!",
getFirstSelectorByRuleIndex(tree, 0)
!= getFirstSelectorByRuleIndex(tree, 1));
}
private CssSelectorNode getFirstSelectorByRuleIndex(CssTree tree, int index) {
CssRulesetNode rule =
(CssRulesetNode) tree.getRoot().getBody().getChildren().get(index);
return rule.getSelectors().getChildren().get(0);
}
}