mirror of https://github.com/octoleo/plantuml.git
114 lines
4.1 KiB
Java
114 lines
4.1 KiB
Java
package nonreg.xmi;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.Collection;
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import java.util.List;
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import org.xmlunit.builder.DiffBuilder;
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import org.xmlunit.builder.Input;
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import org.xmlunit.diff.DefaultNodeMatcher;
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import org.xmlunit.diff.Diff;
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import org.xmlunit.diff.ElementSelectors;
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import net.sourceforge.plantuml.FileFormat;
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import net.sourceforge.plantuml.FileFormatOption;
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import net.sourceforge.plantuml.SourceStringReader;
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import net.sourceforge.plantuml.core.DiagramDescription;
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public class XmiTest {
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private static final String TRIPLE_QUOTE = "\"\"\"";
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protected void checkXmlAndDescription(final String expectedDescription)
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throws IOException, UnsupportedEncodingException {
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final String star = removeVersion(runPlantUML(expectedDescription, FileFormat.XMI_STAR));
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final String starExpected = readStringFromSourceFile(getDiagramFile(), "{{{star", "}}}star");
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assertXMIEqual(star, starExpected);
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final String argo = removeVersion(runPlantUML(expectedDescription, FileFormat.XMI_ARGO));
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final String argoExpected = readStringFromSourceFile(getDiagramFile(), "{{{argo", "}}}argo");
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assertXMIEqual(argo, argoExpected);
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final String script = removeVersion(runPlantUML(expectedDescription, FileFormat.XMI_SCRIPT));
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final String scriptExpected = readStringFromSourceFile(getDiagramFile(), "{{{script", "}}}script");
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assertXMIEqual(script, scriptExpected);
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}
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private void assertXMIEqual(final String actual, final String expected) {
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// XMI is XML, so we can just use the xmlunit diffbuilder
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// Compare elements with the same xmi ID
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// checkForSimilar required to ignore order
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Diff diff = DiffBuilder.compare(Input.fromString(expected)).withTest(Input.fromString(actual))
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.ignoreWhitespace().ignoreComments().checkForSimilar()
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.withNodeMatcher(new DefaultNodeMatcher(ElementSelectors.byNameAndAttributes("xmi.id"))).build();
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if (diff.hasDifferences()) {
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System.out.println("Generated XMI: ");
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System.out.println(actual);
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assertTrue(false, diff.fullDescription());
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}
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}
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private String removeVersion(String xmi) {
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return xmi.replaceFirst("\\<XMI.exporterVersion\\>.*\\</XMI.exporterVersion\\>", "");
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}
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private String getLocalFolder() {
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return "test/" + getPackageName().replace(".", "/");
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}
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private String getPackageName() {
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return getClass().getPackage().getName();
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}
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private Path getDiagramFile() {
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return Paths.get(getLocalFolder(), getClass().getSimpleName() + ".java");
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}
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private String runPlantUML(String expectedDescription, FileFormat format)
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throws IOException, UnsupportedEncodingException {
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final String diagramText = readStringFromSourceFile(getDiagramFile(), TRIPLE_QUOTE, TRIPLE_QUOTE);
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final SourceStringReader ssr = new SourceStringReader(diagramText, UTF_8);
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final ByteArrayOutputStream baos = new ByteArrayOutputStream();
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final DiagramDescription diagramDescription = ssr.outputImage(baos, 0, new FileFormatOption(format));
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assertEquals(expectedDescription, diagramDescription.getDescription(), "Bad description");
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return new String(baos.toByteArray(), UTF_8);
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}
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private String readStringFromSourceFile(Path path, String startMarker, String endMarker) throws IOException {
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assertTrue(Files.exists(path), "Cannot find " + path);
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assertTrue(Files.isReadable(path), "Cannot read " + path);
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final List<String> allLines = Files.readAllLines(path, UTF_8);
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final int first = allLines.indexOf(startMarker);
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final int last = allLines.lastIndexOf(endMarker);
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assertTrue(first != -1);
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assertTrue(last != -1);
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assertTrue(last > first);
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return packString(allLines.subList(first + 1, last));
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}
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private String packString(Collection<String> list) {
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final StringBuilder sb = new StringBuilder();
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for (String s : list) {
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sb.append(s);
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sb.append("\n");
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}
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return sb.toString();
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}
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}
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