/*
* 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.Mockito.mock;
import static org.mockito.Mockito.when;
import com.google.gwt.resources.gss.ast.CssDotPathNode;
import com.google.gwt.thirdparty.common.css.SourceCodeLocation;
import com.google.gwt.thirdparty.common.css.compiler.ast.CssValueNode;
import com.google.gwt.thirdparty.common.css.compiler.ast.GssFunctionException;
import com.google.gwt.thirdparty.guava.common.collect.ImmutableList;
import com.google.gwt.thirdparty.guava.common.collect.ImmutableList.Builder;
import junit.framework.TestCase;
import java.util.List;
/**
* Test for {@link ValueFunction}.
*/
public class ValueFunctionTest extends TestCase {
public void testValueFunction() throws GssFunctionException {
// given
List<CssValueNode> input = createInput("image.width");
// when
List<CssValueNode> result = new ValueFunction().getCallResultNodes(input, null);
// then
assertResultIsValid(result, "image().width()");
}
public void testValueFunctionWithPrefix() throws GssFunctionException {
// given
List<CssValueNode> input = createInput("image.width", "px");
// when
List<CssValueNode> result = new ValueFunction().getCallResultNodes(input, null);
// then
assertResultIsValid(result, "image().width() + \"px\"");
}
public void testValueFunctionWithPrefixAndSuffix() throws GssFunctionException {
// given
List<CssValueNode> input = createInput("image.width", "px", "-");
// when
List<CssValueNode> result = new ValueFunction().getCallResultNodes(input, null);
// then
assertResultIsValid(result, "\"-\" + image().width() + \"px\"");
}
private void assertResultIsValid(List<CssValueNode> result, String expectedJavaExpression) {
assertEquals(1, result.size());
assertTrue(result.get(0) instanceof CssDotPathNode);
CssDotPathNode cssDotPathNode = (CssDotPathNode) result.get(0);
assertEquals(expectedJavaExpression, cssDotPathNode.getValue());
}
private List<CssValueNode> createInput(String... argumentValue) {
Builder<CssValueNode> listBuilder = ImmutableList.builder();
for (String arg: argumentValue) {
CssValueNode input = mock(CssValueNode.class);
when(input.getValue()).thenReturn(arg);
SourceCodeLocation sourceCodeLocation = mock(SourceCodeLocation.class);
when(input.getSourceCodeLocation()).thenReturn(sourceCodeLocation);
listBuilder.add(input);
}
return listBuilder.build();
}
}