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package jdepend.framework;
import java.io.IOException;
import java.text.NumberFormat;
/**
* @author <b>Mike Clark</b>
* @author Clarkware Consulting, Inc.
*/
public class MetricTest extends JDependTestCase {
private JDepend jdepend;
private static NumberFormat formatter;
static {
formatter = NumberFormat.getInstance();
formatter.setMaximumFractionDigits(2);
}
public MetricTest(String name) {
super(name);
}
protected void setUp() {
super.setUp();
PackageFilter filter = new PackageFilter();
filter.addPackage("java.*");
filter.addPackage("javax.*");
jdepend = new JDepend(filter);
jdepend.analyzeInnerClasses(false);
}
protected void tearDown() {
super.tearDown();
}
public void testAnalyzeClassFiles() throws IOException {
jdepend.addDirectory(getBuildDir());
assertAnalyzePackages();
}
private void assertAnalyzePackages() {
assertEquals(39, jdepend.countClasses());
PackageFilter filter = jdepend.getFilter();
filter.addPackage("junit.*");
jdepend.analyze();
assertFrameworkPackage();
assertTextUIPackage();
assertSwingUIPackage();
assertXmlUIPackage();
}
private void assertFrameworkPackage() {
JavaPackage p = jdepend.getPackage("jdepend.framework");
assertNotNull(p);
assertEquals(25, p.getConcreteClassCount());
assertEquals(4, p.getAbstractClassCount());
assertEquals(3, p.afferentCoupling());
assertEquals(0, p.efferentCoupling());
assertEquals(format(0.14f), format(p.abstractness()));
assertEquals(format(0.0f), format(p.instability()));
assertEquals(format(0.86f), format(p.distance()));
assertEquals(1, p.getVolatility());
}
private void assertTextUIPackage() {
JavaPackage p = jdepend.getPackage("jdepend.textui");
assertNotNull(p);
assertEquals(1, p.getConcreteClassCount());
assertEquals(0, p.getAbstractClassCount());
assertEquals(1, p.efferentCoupling());
assertEquals("0", format(p.abstractness()));
assertEquals(1, p.afferentCoupling());
assertEquals(format(0.5f), format(p.instability()));
assertEquals(format(0.5f), format(p.distance()));
assertEquals(1, p.getVolatility());
}
private void assertSwingUIPackage() {
JavaPackage p = jdepend.getPackage("jdepend.swingui");
assertNotNull(p);
assertEquals(7, p.getConcreteClassCount());
assertEquals(1, p.getAbstractClassCount());
assertEquals(0, p.afferentCoupling());
assertEquals(1, p.efferentCoupling());
assertEquals(format(0.12f), format(p.abstractness()));
assertEquals("1", format(p.instability()));
assertEquals(format(0.12f), format(p.distance()));
assertEquals(1, p.getVolatility());
}
private void assertXmlUIPackage() {
JavaPackage p = jdepend.getPackage("jdepend.xmlui");
assertNotNull(p);
assertEquals(1, p.getConcreteClassCount());
assertEquals(0, p.getAbstractClassCount());
assertEquals(0, p.afferentCoupling());
assertEquals(2, p.efferentCoupling());
assertEquals(format(0.0f), format(p.abstractness()));
assertEquals("1", format(p.instability()));
assertEquals(format(0.0f), format(p.distance()));
assertEquals(1, p.getVolatility());
}
public void testConfiguredVolatility() throws IOException {
jdepend.addDirectory(getBuildDir());
JavaPackage pkg = new JavaPackage("jdepend.swingui");
pkg.setVolatility(0);
jdepend.addPackage(pkg);
jdepend.analyze();
JavaPackage analyzedPkg = jdepend.getPackage(pkg.getName());
assertEquals(0, analyzedPkg.getVolatility());
assertEquals(format(0.0f), format(analyzedPkg.distance()));
assertEquals(7, analyzedPkg.getConcreteClassCount());
}
private String format(float f) {
return formatter.format(f);
}
}
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