/*
* Copyright 2014 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.gwt.resources.gss;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import com.google.gwt.thirdparty.common.css.SourceCode;
import com.google.gwt.thirdparty.common.css.compiler.ast.CssTree;
import com.google.gwt.thirdparty.common.css.compiler.ast.ErrorManager;
import com.google.gwt.thirdparty.common.css.compiler.ast.GssError;
import com.google.gwt.thirdparty.common.css.compiler.ast.GssParser;
import com.google.gwt.thirdparty.common.css.compiler.ast.GssParserException;
import com.google.gwt.thirdparty.guava.common.base.Joiner;
import junit.framework.TestCase;
/**
* Base class for all test that want to build an ast based on css strings.
*/
public abstract class BaseGssTest extends TestCase {
/**
* Parse the css given in parameter and return the corresponding CssTree.
*/
protected CssTree parseAndBuildTree(String source) {
CssTree cssTree = parse(source);
ErrorManager errorManager = mock(ErrorManager.class);
runPassesOnNewTree(cssTree, errorManager);
// we don't expect a failure here
verify(errorManager, never()).report(any(GssError.class));
return cssTree;
}
/**
* Run the Passes needed to have a well formed ast needed for the test.
* <p/>
* This method should be overridden by concrete class in order to run visitor they need to get
* a expected ast to use in the test.
*/
protected void runPassesOnNewTree(CssTree cssTree, ErrorManager errorManager) {
}
protected String lines(String... lines) {
return Joiner.on("\n").join(lines);
}
private CssTree parse(String source) {
try {
return new GssParser(new SourceCode("test", source)).parse();
} catch (GssParserException e) {
fail(e.getMessage());
}
return null;
}
}