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plantuml/test/nonreg/scxml/ScXmlTest.java
Arnaud Roques 0dd8e23270 wip
2022-08-30 21:15:53 +02:00

101 lines
3.2 KiB
Java

package nonreg.scxml;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.concurrent.atomic.AtomicInteger;
import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.SourceStringReader;
import net.sourceforge.plantuml.core.DiagramDescription;
public class ScXmlTest {
private static final String TRIPLE_QUOTE = "\"\"\"";
protected void checkXmlAndDescription(final String expectedDescription)
throws IOException, UnsupportedEncodingException {
final String actual = runPlantUML(expectedDescription, FileFormat.SCXML);
final String expected = readStringFromSourceFile(getDiagramFile(), "{{{", "}}}");
if (sortString(actual).equals(sortString(expected)) == false) {
assertEquals(expected, actual, "Generated ScXml is not ok");
}
}
private String sortString(String s) {
final Map<Character, AtomicInteger> map = new TreeMap<>();
for (int i = 0; i < s.length(); i++) {
final char ch = s.charAt(i);
// We ignore non writable characters
if (ch <= ' ')
continue;
AtomicInteger count = map.get(ch);
if (count == null)
map.put(ch, new AtomicInteger(1));
else
count.addAndGet(1);
}
return map.toString();
}
private String getLocalFolder() {
return "test/" + getPackageName().replace(".", "/");
}
private String getPackageName() {
return getClass().getPackage().getName();
}
private Path getDiagramFile() {
return Paths.get(getLocalFolder(), getClass().getSimpleName() + ".java");
}
private String runPlantUML(String expectedDescription, FileFormat format)
throws IOException, UnsupportedEncodingException {
final String diagramText = readStringFromSourceFile(getDiagramFile(), TRIPLE_QUOTE, TRIPLE_QUOTE);
final SourceStringReader ssr = new SourceStringReader(diagramText, UTF_8);
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final DiagramDescription diagramDescription = ssr.outputImage(baos, 0, new FileFormatOption(format));
assertEquals(expectedDescription, diagramDescription.getDescription(), "Bad description");
return new String(baos.toByteArray(), UTF_8);
}
private String readStringFromSourceFile(Path path, String startMarker, String endMarker) throws IOException {
assertTrue(Files.exists(path), "Cannot find " + path);
assertTrue(Files.isReadable(path), "Cannot read " + path);
final List<String> allLines = Files.readAllLines(path, UTF_8);
final int first = allLines.indexOf(startMarker);
final int last = allLines.lastIndexOf(endMarker);
assertTrue(first != -1);
assertTrue(last != -1);
assertTrue(last > first);
return packString(allLines.subList(first + 1, last));
}
private String packString(Collection<String> list) {
final StringBuilder sb = new StringBuilder();
for (String s : list) {
sb.append(s);
sb.append("\n");
}
return sb.toString();
}
}