Examples with Launcher spoon.Launcher used on opensource projects

Example 31 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class TestCtBlock method testRemoveStatement.

@Test
public void testRemoveStatement() {
    Launcher spoon = new Launcher();
    spoon.addInputResource("./src/test/java/spoon/test/ctBlock/testclasses/Toto.java");
    spoon.buildModel();
    List<CtMethod> methods = spoon.getModel().getElements(new NamedElementFilter<>(CtMethod.class, "foo"));
    assertEquals(1, methods.size());
    CtMethod foo = methods.get(0);
    CtBlock block = foo.getBody();
    CtStatement lastStatement = block.getLastStatement();
    assertEquals("i++", lastStatement.toString());
    block.removeStatement(lastStatement);
    CtStatement newLastStatement = block.getLastStatement();
    assertTrue(newLastStatement != lastStatement);
    assertTrue(newLastStatement instanceof CtIf);
}

Example 32 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class CUFilterTest method testSingleExcludeWithFilter.

@Test
public void testSingleExcludeWithFilter() {
    final Launcher launcher = new Launcher();
    launcher.getEnvironment().setNoClasspath(true);
    launcher.addInputResource("./src/test/resources/noclasspath/same-package");
    launcher.getModelBuilder().addCompilationUnitFilter(new CompilationUnitFilter() {

        @Override
        public boolean exclude(final String path) {
            return path.endsWith("B.java");
        }
    });
    launcher.buildModel();
    final CtModel model = launcher.getModel();
    assertEquals(1, model.getAllTypes().size());
    // make sure `B` is not available in `model.getAllTypes`
    assertEquals("A", model.getAllTypes().iterator().next().getSimpleName());
    // make sure declaration of `B` is known in `model`
    final CtReturn ctReturn = model.getAllTypes().iterator().next().getMethod("createB").getBody().getStatement(0);
    final CtConstructorCall ctConstructorCall = (CtConstructorCall) ctReturn.getReturnedExpression();
    assertEquals("spoon.test.same.B", ctConstructorCall.getType().getQualifiedName());
}

Example 33 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class FilterTest method testFilterChildrenWithoutFilterQueryStep.

@Test
public void testFilterChildrenWithoutFilterQueryStep() throws Exception {
    final Launcher launcher = new Launcher();
    launcher.setArgs(new String[] { "--output-type", "nooutput", "--level", "info" });
    launcher.addInputResource("./src/test/java/spoon/test/filters/testclasses");
    launcher.run();
    // Contract: the filterChildren(null) without Filter returns same results like filter which returns true for each input.
    List<CtElement> list = launcher.getFactory().Package().getRootPackage().filterChildren(null).list();
    Iterator<CtElement> iter = list.iterator();
    launcher.getFactory().Package().getRootPackage().filterChildren(e -> {
        return true;
    }).forEach(real -> {
        // the elements produced by each query are same
        CtElement expected = iter.next();
        if (real != expected) {
            assertEquals(expected, real);
        }
    });
    assertTrue(list.size() > 0);
    assertTrue(iter.hasNext() == false);
}

Example 34 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class FilterTest method testQueryWithOptionalNumberOfInputs.

@Test
public void testQueryWithOptionalNumberOfInputs() throws Exception {
    // contract: QueryFactory allows to create query with an optional number of inputs
    // the input can be provided as Array or Iterable
    final Launcher launcher = new Launcher();
    launcher.setArgs(new String[] { "--output-type", "nooutput", "--level", "info" });
    launcher.addInputResource("./src/test/java/spoon/test/filters/testclasses");
    launcher.run();
    CtClass<?> cls = launcher.getFactory().Class().get(Tacos.class);
    CtClass<?> cls2 = launcher.getFactory().Class().get(Tostada.class);
    CtClass<?> cls3 = launcher.getFactory().Class().get(Antojito.class);
    // here is the query
    CtQuery q1 = launcher.getFactory().Query().createQuery(cls, cls2).map((CtClass c) -> c.getSimpleName());
    assertArrayEquals(new String[] { "Tacos", "Tostada" }, q1.list().toArray());
    CtQuery q1b = launcher.getFactory().Query().createQuery(Arrays.asList(cls, cls2)).map((CtClass c) -> c.getSimpleName());
    assertArrayEquals(new String[] { "Tacos", "Tostada" }, q1b.list().toArray());
    CtQuery q2 = launcher.getFactory().Query().createQuery(cls, cls3).map((CtClass c) -> c.getSimpleName());
    assertArrayEquals(new String[] { "Tacos", "Antojito" }, q2.list().toArray());
    CtQuery q2b = launcher.getFactory().Query().createQuery(Arrays.asList(cls, cls3)).map((CtClass c) -> c.getSimpleName());
    assertArrayEquals(new String[] { "Tacos", "Antojito" }, q2b.list().toArray());
    CtQuery q3 = launcher.getFactory().Query().createQuery(cls, cls2, cls3).map((CtClass c) -> c.getSimpleName());
    assertArrayEquals(new String[] { "Tacos", "Tostada", "Antojito" }, q3.list().toArray());
    CtQuery q3b = launcher.getFactory().Query().createQuery(Arrays.asList(cls, cls2, cls3)).map((CtClass c) -> c.getSimpleName());
    assertArrayEquals(new String[] { "Tacos", "Tostada", "Antojito" }, q3b.list().toArray());
}

Example 35 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class FilterTest method testEarlyTerminatingQuery.

@Test
public void testEarlyTerminatingQuery() throws Exception {
    // contract: a method first evaluates query until first element is found and then terminates the query
    final Launcher launcher = new Launcher();
    launcher.setArgs(new String[] { "--output-type", "nooutput", "--level", "info" });
    launcher.addInputResource("./src/test/java/spoon/test/filters/testclasses");
    launcher.run();
    class Context {

        boolean wasTerminated = false;

        void failIfTerminated(String place) {
            assertTrue("The " + place + " is called after query was terminated.", wasTerminated == false);
        }
    }
    Context context = new Context();
    CtMethod firstMethod = launcher.getFactory().Package().getRootPackage().filterChildren(e -> {
        context.failIfTerminated("Filter#match of filterChildren");
        return true;
    }).map((CtElement e) -> {
        context.failIfTerminated("Array returning CtFunction#apply of map");
        // send result twice to check that second item is skipped
        return new CtElement[] { e, e };
    }).map((CtElement e) -> {
        context.failIfTerminated("List returning CtFunction#apply of map");
        // send result twice to check that second item is skipped
        return Arrays.asList(new CtElement[] { e, e });
    }).map((CtElement e, CtConsumer<Object> out) -> {
        context.failIfTerminated("CtConsumableFunction#apply of map");
        if (e instanceof CtMethod) {
            // this call should pass and cause termination of the query
            out.accept(e);
            context.wasTerminated = true;
        // let it call out.accept(e); once more to check that next step is not called after query is terminated
        }
        out.accept(e);
    }).map(e -> {
        context.failIfTerminated("CtFunction#apply of map after CtConsumableFunction");
        return e;
    }).first(CtMethod.class);
    assertTrue(firstMethod != null);
    assertTrue(context.wasTerminated);
}