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/* Copyright 2011-2012 The Apache Software Foundation.
*
* 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 org.lesscss;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.reflect.FieldUtils;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.AdditionalMatchers;
import org.mockito.Matchers;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.LinkedHashMap;
import java.util.Map;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.junit.matchers.JUnitMatchers.containsString;
import static org.powermock.api.mockito.PowerMockito.*;
@PrepareForTest({FileUtils.class, IOUtils.class, LessSource.class, FileResource.class})
@RunWith(PowerMockRunner.class)
public class LessSourceTest {
private LessSource lessSource;
@Mock private File file;
File sourceFile = null;
@Mock private FileInputStream fileInputStream;
@Mock private LessSource import1;
@Mock private LessSource import2;
@Mock private LessSource import3;
private Map<String, LessSource> imports;
private long lastModified = 1l;
@Before
public void setUp() throws Exception {
imports = new LinkedHashMap<String, LessSource>();
imports.put("import1", import1);
imports.put("import2", import2);
imports.put("import3", import3);
URL sourceUrl = getClass().getResource("/compatibility/a_source.less");
sourceFile = new File(sourceUrl.getFile());
}
@Test
public void testNewLessSourceWithoutImports() throws Exception {
FileResource fileResource = new FileResource(sourceFile);
lessSource = new LessSource(fileResource);
assertEquals(sourceFile.getAbsolutePath(), lessSource.getAbsolutePath());
assertEquals("content", lessSource.getContent());
assertEquals("content", lessSource.getNormalizedContent());
assertEquals(sourceFile.lastModified(), lessSource.getLastModified());
assertEquals(sourceFile.lastModified(), lessSource.getLastModifiedIncludingImports());
assertEquals(0, lessSource.getImports().size());
verifyStatic();
FileUtils.readFileToString(sourceFile);
}
@Test(expected = IllegalArgumentException.class)
public void testNewLessSourceFileNull() throws Exception {
lessSource = new LessSource((Resource)null);
}
@Test(expected = IOException.class)
public void testNewLessSourceFileNotFound() throws Exception {
when(file.exists()).thenReturn(false);
lessSource = new LessSource(new FileResource(file));
}
@Test
public void testLastModifiedIncludingImportsWhenNoImportModifiedLater() throws Exception {
mockFile(true,"content","absolutePath");
when(import1.getLastModifiedIncludingImports()).thenReturn(0l);
when(import2.getLastModifiedIncludingImports()).thenReturn(0l);
when(import3.getLastModifiedIncludingImports()).thenReturn(0l);
lessSource = new LessSource(new FileResource(file));
FieldUtils.writeField(lessSource, "imports", imports, true);
assertEquals(1l, lessSource.getLastModifiedIncludingImports());
}
@Test
public void testLastModifiedIncludingImportsWhenImportModifiedLater() throws Exception {
mockFile(true,"content","absolutePath");
when(import1.getLastModifiedIncludingImports()).thenReturn(0l);
when(import2.getLastModifiedIncludingImports()).thenReturn(2l);
when(import3.getLastModifiedIncludingImports()).thenReturn(0l);
lessSource = new LessSource(new FileResource(file));
FieldUtils.writeField(lessSource, "imports", imports, true);
assertEquals(2l, lessSource.getLastModifiedIncludingImports());
}
@Test
public void testUtf8EncodedLessFile() throws Exception {
String content = readLessSourceWithEncoding("UTF-8");
assertThat(content, containsString("↓"));
}
@Test
public void testWithBadEncodingLessFile() throws Exception {
String content = readLessSourceWithEncoding("ISO-8859-1");
assertThat(content, not(containsString("↓")));
}
private String readLessSourceWithEncoding(String encoding) throws IOException, IllegalAccessException {
URL sourceUrl = getClass().getResource("/compatibility/utf8-content.less");
File sourceFile = new File(sourceUrl.getFile());
LessSource lessSource = new LessSource(new FileResource(sourceFile), Charset.forName(encoding));
return (String) FieldUtils.readField(lessSource, "content", true);
}
private void mockFile(boolean fileExists, String content, String absolutePath) throws Exception, IOException {
when(file.exists()).thenReturn(fileExists);
mockStatic(FileUtils.class);
when(FileUtils.readFileToString(file)).thenReturn(content);
when(file.getAbsolutePath()).thenReturn(absolutePath);
when(file.lastModified()).thenReturn(lastModified);
when(file.getParent()).thenReturn("folder");
mockStatic(IOUtils.class);
when(IOUtils.toString((InputStream) Mockito.anyObject(), (Charset)Mockito.anyObject())).thenReturn(content);
when(IOUtils.toString((InputStream) Mockito.anyObject(), (String) Mockito.anyObject())).thenReturn(content);
whenNew(FileInputStream.class).withArguments(file).thenReturn(fileInputStream);
}
}