/*
* 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.converter;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.thirdparty.common.css.SourceCode;
import com.google.gwt.thirdparty.common.css.compiler.ast.GssParser;
import com.google.gwt.thirdparty.common.css.compiler.ast.GssParserException;
import junit.framework.TestCase;
import org.apache.commons.io.IOUtils;
import org.junit.Assert;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
/**
* Integration tests for Css2Gss.
*/
public class Css2GssTest extends TestCase {
public void testInlineBlockCssEscaping() throws Exception {
assertFileContentEqualsAfterConversion("inline-block.css", "inline-block.gss");
}
public void testMultipleDeclarationOfSameProperty() throws Exception {
assertFileContentEqualsAfterConversion("multiple_declarations.css",
"multiple_declarations.gss");
}
public void testCssConditional() throws Exception {
assertFileContentEqualsAfterConversion("conditional.css", "conditional.gss");
}
public void testLenientFlag() throws Exception {
assertFileContentEqualsAfterConversionAndIsGssCompatible("badRule.css", "badRule.gss", true);
}
public void testExternalMissingComma() throws Exception {
assertFileContentEqualsAfterConversionAndIsGssCompatible("external-bug.css", "external-bug.gss",
true);
}
public void testSprite() throws Exception {
assertFileContentEqualsAfterConversion("sprite.css", "sprite.gss");
}
public void testFontFamily() throws Exception {
assertFileContentEqualsAfterConversion("font-bug.css", "font-bug.gss");
}
public void testExternalBug() throws Exception {
assertFileContentEqualsAfterConversionAndIsGssCompatible("external-bug.css", "external-bug.gss",
true);
}
public void testUndefinedConstant() throws Exception {
assertFileContentEqualsAfterConversionAndIsGssCompatible(
"undefined-constants.css", "undefined-constants.gss", true);
}
public void testRemoveExternalEscaping() throws Exception {
assertFileContentEqualsAfterConversion(
"external-escaping.css", "external-escaping.gss");
}
public void testNestedConditional() throws Exception {
assertFileContentEqualsAfterConversion(
"nestedElseIf.css", "nestedElseIf.gss");
}
public void testConstants() throws Exception {
assertFileContentEqualsAfterConversionAndIsGssCompatible(
"constants.css", "constants.gss", true);
}
public void testInvalidConstantName() throws IOException, UnableToCompleteException {
assertFileContentEqualsAfterConversionAndIsGssCompatible(
"invalidConstantName.css", "invalidConstantName.gss", true);
}
public void testEscaping() throws IOException, UnableToCompleteException {
assertFileContentEqualsAfterConversionAndIsGssCompatible("escape.css", "escape.gss", true);
}
private void assertFileContentEqualsAfterConversion(String inputCssFile, String expectedGssFile)
throws IOException, UnableToCompleteException {
assertFileContentEqualsAfterConversionAndIsGssCompatible(inputCssFile, expectedGssFile, false);
}
private void assertFileContentEqualsAfterConversionAndIsGssCompatible(String inputCssFile,
String expectedGssFile, boolean lenient) throws IOException, UnableToCompleteException {
URL resource = Css2GssTest.class.getResource(inputCssFile);
InputStream stream = Css2GssTest.class.getResourceAsStream(expectedGssFile);
String convertedGss = new Css2Gss(resource, lenient).toGss();
String gss = IOUtils.toString(stream, "UTF-8");
Assert.assertEquals(gss, convertedGss);
// assert the convertedGss is compatible with GSS
try {
new GssParser(new SourceCode("[conversion of " + inputCssFile + "]", convertedGss)).parse();
} catch (GssParserException e) {
e.printStackTrace();
fail("The conversion produces invalid GSS code.");
}
}
}