/*
* 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.core.ext.GeneratorContext;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.google.gwt.resources.ext.ResourceContext;
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.GssFunction;
import com.google.gwt.thirdparty.common.css.compiler.ast.MutatingVisitController;
import com.google.gwt.thirdparty.common.css.compiler.passes.CreateConditionalNodes;
import com.google.gwt.thirdparty.common.css.compiler.passes.CreateStandardAtRuleNodes;
import com.google.gwt.thirdparty.common.css.compiler.passes.ResolveCustomFunctionNodes;
import java.util.HashSet;
import java.util.Map;
/**
* Test for {@link CssPrinter}.
*/
public class CssPrinterTest extends BaseGssTest {
public void testWrapCssInValidJavaString() {
assertPrintedResult("(\".foo{width:15px}\")",
lines(
".foo {",
" width:15px;",
"}"
));
}
public void testDontPrintExternalAtRule() {
assertPrintedResult("(\".foo{width:15px}\")",
lines(
"@external foo;",
".foo {",
" width:15px;",
"}"
));
}
public void testRuntimeConditionalNode() {
String expectedCss = "((com.foo.BAR) ? (\".foo{color:black}\") + (" +
"(com.foo.BAR2) ? (\".foo{color:white}\") : (\".foo{color:gray}\"))" +
" : (com.foo.foo()) ? (\".foo{color:blue}\")" +
" : (\".foo{color:yellow}\"))";
assertPrintedResult(expectedCss,
lines(
"@if (eval('com.foo.BAR')) {",
" .foo {",
" color: black;",
" }",
"",
" @if (eval('com.foo.BAR2')) {",
" .foo {",
" color: white;",
" }",
" }",
" @else {",
" .foo {",
" color: gray;",
" }",
" }",
"}",
"@elseif (eval('com.foo.foo()')) {",
" .foo {",
" color: blue;",
" }",
"}",
"@else {",
" .foo {",
" color:yellow",
" }",
"}"
));
}
public void testCssDotPathNodePrint() {
assertPrintedResult("(\".foo{width:\" + (image().getWidth() + \"px\") + \"}\")",
lines(
".foo {",
" width: value('image.getWidth', 'px');",
"}"
));
}
public void testCssJavaExpressionNodePrint() {
assertPrintedResult("(\".foo{width:\" " +
"+ (com.foo.bar.WIDTH) " +
"+ \";height:\" " +
"+ (com.foo.bar.height()) " +
"+ \"}\")",
lines(
".foo {",
" width: eval('com.foo.bar.WIDTH');",
" height: eval('com.foo.bar.height()');",
"}"
));
}
private void assertPrintedResult(String expectedCss, String source) {
CssTree cssTree = parseAndBuildTree(source);
CssPrinter pass = new CssPrinter(cssTree);
pass.runPass();
assertEquals(expectedCss, pass.getCompactPrintedString());
}
@Override
protected void runPassesOnNewTree(CssTree cssTree, ErrorManager errorManager) {
MutatingVisitController mutatingVisitController = cssTree.getMutatingVisitController();
new CreateConditionalNodes(mutatingVisitController, errorManager).runPass();
new CreateRuntimeConditionalNodes(mutatingVisitController).runPass();
new CreateStandardAtRuleNodes(mutatingVisitController, errorManager).runPass();
ResourceContext context = mockResourceContext();
Map<String, GssFunction> gssFunctionMap = new GwtGssFunctionMapProvider(context).get();
new ResolveCustomFunctionNodes(mutatingVisitController, errorManager,
gssFunctionMap, true, new HashSet<String>()).runPass();
new ExternalClassesCollector(mutatingVisitController, errorManager)
.runPass();
}
private ResourceContext mockResourceContext() {
ResourceContext context = mock(ResourceContext.class);
GeneratorContext generatorContext = mock(GeneratorContext.class);
TypeOracle oracle = mock(TypeOracle.class);
when(generatorContext.getTypeOracle()).thenReturn(oracle);
when(context.getGeneratorContext()).thenReturn(generatorContext);
return context;
}
}