Examples with JarDiff org.osjava.jardiff.JarDiff used on opensource projects

Example 1 with JarDiff

use of org.osjava.jardiff.JarDiff in project semantic-versioning by jeluard.

the class ClassInheritanceTest method shouldInheritedMethodMatchImplementedMethod.

@Test
public void shouldInheritedMethodMatchImplementedMethod() throws Exception {
    /**
     * The situation we are testing is as follows:
     * Abstract class InheritanceRoot is initially implemented directly by ClassA.
     * ClassA is later modified to extend another implementation of InheritanceRoot
     * and the methods required by InheritanceRoot are now removed from ClassA directly,
     * and instead inherited from the new parent, DirectDescendant. For the purposes of
     * this test, this new ClassA is represented by ClassB (as we can't have the same
     * class declared twice in a test -- in real life, this would both be ClassA's,
     * in different jars).
     */
    Map<String, ClassInfo> oldClassInfoMap = new HashMap<String, ClassInfo>();
    Map<String, ClassInfo> newClassInfoMap = new HashMap<String, ClassInfo>();
    JarDiff jd = new JarDiff();
    addClassInfo(oldClassInfoMap, ClassA.class, jd);
    addClassInfo(oldClassInfoMap, DirectDescendant.class, jd);
    addClassInfo(oldClassInfoMap, InheritanceRoot.class, jd);
    addClassInfo(newClassInfoMap, ClassB.class, jd);
    addClassInfo(newClassInfoMap, DirectDescendant.class, jd);
    addClassInfo(newClassInfoMap, InheritanceRoot.class, jd);
    // Make B look like A
    ClassInfo a = oldClassInfoMap.get("org/semver/jardiff/ClassInheritanceTest$ClassA");
    ClassInfo b = newClassInfoMap.get("org/semver/jardiff/ClassInheritanceTest$ClassB");
    newClassInfoMap.put(a.getName(), new ClassInfo(b.getVersion(), b.getAccess(), a.getName(), b.getSignature(), b.getSupername(), b.getInterfaces(), b.getMethodMap(), b.getFieldMap()));
    newClassInfoMap.remove(b.getName());
    DifferenceAccumulatingHandler handler = new DifferenceAccumulatingHandler();
    jd.diff(handler, new SimpleDiffCriteria(), "0.1.0", "0.2.0", oldClassInfoMap, newClassInfoMap);
    for (Delta.Difference d : handler.getDelta().getDifferences()) {
        System.err.println(d.getClassName() + " : " + d.getClass().getName() + " : " + d.getInfo().getName() + " : " + d.getInfo().getAccessType());
        if (d instanceof Change) {
            System.err.println("  : " + ((Change) d).getModifiedInfo().getName());
        }
    }
    Assert.assertEquals("differences found", 1, handler.getDelta().getDifferences().size());
}

Example 2 with JarDiff

use of org.osjava.jardiff.JarDiff in project semantic-versioning by jeluard.

the class DeprecateDetectionTest method shouldInheritedMethodMatchImplementedMethod.

@Test
public void shouldInheritedMethodMatchImplementedMethod() throws Exception {
    /**
     * The situation we are testing is as follows:
     * Abstract class InheritanceRoot is initially implemented directly by ClassA.
     * ClassA is later modified to extend another implementation of InheritanceRoot
     * and the methods required by InheritanceRoot are now removed from ClassA directly,
     * and instead inherited from the new parent, DirectDescendant. For the purposes of
     * this test, this new ClassA is represented by ClassB (as we can't have the same
     * class declared twice in a test -- in real life, this would both be ClassA's,
     * in different jars).
     */
    Map<String, ClassInfo> oldClassInfoMap = new HashMap<String, ClassInfo>();
    Map<String, ClassInfo> newClassInfoMap = new HashMap<String, ClassInfo>();
    JarDiff jd = new JarDiff();
    addClassInfo(oldClassInfoMap, ClassA.class, jd);
    addClassInfo(oldClassInfoMap, DirectDescendant.class, jd);
    addClassInfo(oldClassInfoMap, InheritanceRoot.class, jd);
    addClassInfo(newClassInfoMap, ClassB.class, jd);
    addClassInfo(newClassInfoMap, DirectDescendant.class, jd);
    addClassInfo(newClassInfoMap, InheritanceRoot.class, jd);
    // Make B look like A
    newClassInfoMap.put("org/semver/jardiff/DeprecateDetectionTest$ClassA", newClassInfoMap.get("org/semver/jardiff/DeprecateDetectionTest$ClassB"));
    newClassInfoMap.remove("org/semver/jardiff/DeprecateDetectionTest$ClassB");
    DifferenceAccumulatingHandler handler = new DifferenceAccumulatingHandler();
    jd.diff(handler, new SimpleDiffCriteria(), "0.1.0", "0.2.0", oldClassInfoMap, newClassInfoMap);
    Dumper.dump(handler.getDelta());
    Set<Difference> differences = handler.getDelta().getDifferences();
    Assert.assertEquals("differences found", 3, differences.size());
    // Naive search for Deprecate.
    boolean hasDeprecate = false;
    for (Difference d : differences) {
        if (d instanceof Deprecate)
            hasDeprecate = true;
    }
    Assert.assertTrue("No Delta.Deprecate found", hasDeprecate);
}

Example 3 with JarDiff

use of org.osjava.jardiff.JarDiff in project semantic-versioning by jeluard.

the class Comparer method diff.

/**
     * @return all {@link Difference} between both JARs
     * @throws IOException
     */
public final Delta diff() throws IOException {
    try {
        final JarDiff jarDiff = new JarDiff();
        jarDiff.loadOldClasses(this.previousJAR);
        jarDiff.loadNewClasses(this.currentJAR);
        final DifferenceAccumulatingHandler handler = new DifferenceAccumulatingHandler(this.includes, this.includesAreRegExp, this.excludes, this.excludesAreRegExp);
        jarDiff.diff(handler, diffCriteria);
        return handler.getDelta();
    } catch (DiffException e) {
        throw new RuntimeException(e);
    }
}