package org.codehaus.groovy.tools.gse;
import java.io.StringBufferInputStream;
import java.util.Set;
import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.classgen.GeneratorContext;
import org.codehaus.groovy.control.CompilationFailedException;
import org.codehaus.groovy.control.CompilationUnit;
import org.codehaus.groovy.control.Phases;
import org.codehaus.groovy.control.SourceUnit;
import groovy.util.GroovyTestCase;
@SuppressWarnings("deprecation")
public class DependencyTest extends GroovyTestCase {
private CompilationUnit cu;
StringSetMap cache;
@Override
protected void setUp() throws Exception {
super.setUp();
cu = new CompilationUnit();
cache = new StringSetMap();
cu.addPhaseOperation(new CompilationUnit.PrimaryClassNodeOperation() {
@Override
public void call(final SourceUnit source, GeneratorContext context, ClassNode classNode)
throws CompilationFailedException
{
DependencyTracker dt = new DependencyTracker(source,cache);
dt.visitClass(classNode);
}
}, Phases.CLASS_GENERATION);
}
public void testDep(){
cu.addSource("testDep.gtest", new StringBufferInputStream(
"class C1 {}\n" +
"class C2 {}\n" +
"class C3 {}\n" +
"class A1 {C1 x}\n" +
"class A2 extends C2{}\n" +
"class A3 {C1 foo(C2 x){new C3()}}\n"
));
cu.compile(Phases.CLASS_GENERATION);
assertEquals(cache.get("C1").size(),1);
assertEquals(cache.get("C2").size(),1);
assertEquals(cache.get("C3").size(),1);
Set<String> dep = cache.get("A1");
assertEquals(dep.size(),2);
assertTrue(dep.contains("C1"));
dep = cache.get("A2");
assertEquals(dep.size(),2);
assertTrue(dep.contains("C2"));
dep = cache.get("A3");
assertEquals(dep.size(),4);
assertTrue(dep.contains("C1"));
assertTrue(dep.contains("C2"));
assertTrue(dep.contains("C3"));
}
public void testTransitiveDep(){
cu.addSource("testTransitiveDep.gtest", new StringBufferInputStream(
"class A1 {}\n" +
"class A2 extends A1{}\n" +
"class A3 extends A2{}\n"
));
cu.compile(Phases.CLASS_GENERATION);
cache.makeTransitiveHull();
Set<String> dep = cache.get("A1");
assertEquals(dep.size(),1);
dep = cache.get("A2");
assertEquals(dep.size(),2);
assertTrue(dep.contains("A1"));
dep = cache.get("A3");
assertEquals(dep.size(),3);
assertTrue(dep.contains("A1"));
assertTrue(dep.contains("A2"));
}
}