Java CtMethod类代码示例

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
public void process(CtMethod element) {
    Factory factory = this.getFactory();
    CtTry ctTry = factory.Core().createTry();
    ctTry.setBody(element.getBody());
    String snippet;
    String testName;
    if(element.getModifiers().contains(ModifierKind.STATIC)) {
        testName = element.getPosition().getCompilationUnit().getMainType().getQualifiedName() + "." + element.getSimpleName();
        snippet = this.getLogName() + ".testIn(Thread.currentThread(), \"" + testName + "\")";
    } else {
        testName = element.getSimpleName();
        snippet = this.getLogName() + ".testIn(Thread.currentThread(),this, \"" + testName + "\")";
    }

    CtCodeSnippetStatement snippetStatement = factory.Code().createCodeSnippetStatement(snippet);
    element.getBody().insertBegin(snippetStatement);
    snippet = this.getLogName() + ".testOut(Thread.currentThread())";
    CtCodeSnippetStatement snippetFinish = factory.Code().createCodeSnippetStatement(snippet);
    CtBlock finalizerBlock = factory.Core().createBlock();
    finalizerBlock.addStatement(snippetFinish);
    ctTry.setFinalizer(finalizerBlock);
    CtBlock methodBlock = factory.Core().createBlock();
    methodBlock.addStatement(ctTry);
    element.setBody(methodBlock);
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
private CtMethod<?> generateNewTestMethod(CtMethod<?> testMethod,
                                          Map<String, List<String>> conditionForParameter) {
    final CtMethod clone = AmplificationHelper.cloneMethodTest(testMethod, "_examplifier");
    final List<?> solutions = SMTSolver.solve(conditionForParameter);
    final Iterator<?> iterator = solutions.iterator();
    final List<CtLiteral> originalLiterals =
            clone.getElements(new TypeFilter<>(CtLiteral.class));
    conditionForParameter.keySet()
            .forEach(s -> {
                final int indexOfLit = Integer.parseInt(s.substring("param".length()));
                final CtLiteral literalToBeReplaced = originalLiterals.get(indexOfLit);
                final CtLiteral<?> newLiteral = testMethod.getFactory().createLiteral(iterator.next());
                if (literalToBeReplaced.getParent() instanceof CtUnaryOperator) {
                    literalToBeReplaced.getParent().replace(newLiteral);
                } else {
                    literalToBeReplaced.replace(newLiteral);
                }
            });
    return clone;
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
public static List<Map<String, List<String>>> runJBSE(String classpath, CtMethod<?> testMethod) {
    final RunParameters p = new RunParameters();
    p.addClasspath(addRequiredJARsToClasspath(classpath).split(":"));
    p.setMethodSignature(
            testMethod.getParent(CtClass.class).getQualifiedName().replaceAll("\\.", "/"),
            methodToDescriptor.apply(testMethod),
            testMethod.getSimpleName()
    );
    p.setDecisionProcedureType(RunParameters.DecisionProcedureType.Z3);
    p.setExternalDecisionProcedurePath("lib/z3/build/bin/z3");
    p.setOutputFileName("out/runIf_z3.txt");
    p.setStepShowMode(RunParameters.StepShowMode.LEAVES);
    p.setStateFormatMode(RunParameters.StateFormatMode.FULLTEXTHISTORY);
    p.setShowOnConsole(Main.verbose);
    final Run r = new Run(p);
    r.run();

    return filterDistinctLeaves(StateFormatterTextWithHistory.getStates())
            .stream()
            .map(JBSERunner::buildConditionsOnArguments)
            .collect(Collectors.toList());
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
@Test
public void test() throws Exception {
    this.configuration.getInputProgram().setFactory(this.launcher.getFactory());
    final Ex2Amplifier amplifier = new Ex2Amplifier(this.configuration);
    final CtClass<?> testClass = this.launcher.getFactory().Class().get("fr.inria.calculator.CalculatorTest");
    amplifier.reset(testClass);
    final List<CtMethod> amplifiedTestAccumulate = amplifier.apply(testClass.getMethodsByName("testAccumulate").get(0));
    assertEquals(2, amplifiedTestAccumulate.size());
    final String expectedAmplifiedTestMethod = "{" + AmplificationHelper.LINE_SEPARATOR +
            "    final Calculator calculator1 = new Calculator(0);" + AmplificationHelper.LINE_SEPARATOR +
            "    Assert.assertEquals((-5), calculator1.getCurrentValue());" + AmplificationHelper.LINE_SEPARATOR +
            "    calculator1.accumulate((-5));" + AmplificationHelper.LINE_SEPARATOR +
            "    Assert.assertEquals((-15), calculator1.getCurrentValue());" + AmplificationHelper.LINE_SEPARATOR +
            "}";
    assertEquals(expectedAmplifiedTestMethod, amplifiedTestAccumulate.get(0).getBody().toString());

}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
@Test
public void test() throws Exception {

    /*
        Test the run method of JBSERunner. JBSE should return a List of Map,
        that associates a name of parameter to its constraints to reach each state.
        Parameter are extracted literals from test.
     */

    final InputProgram program = this.configuration.getInputProgram();
    final String classpath = AutomaticBuilderFactory.getAutomaticBuilder(
            this.configuration
    ).buildClasspath(program.getProgramDir()) + ":" +
            program.getProgramDir() + program.getClassesDir() + ":" +
            program.getProgramDir() + program.getTestClassesDir();
    final CtMethod<?> testMethod = this.launcher.getFactory().Class()
            .get("fr.inria.calculator.CalculatorTest")
            .getMethodsByName("testAccumulateWithParameters")
            .get(0);

    final List<Map<String, List<String>>> conditionOnVariablesForEachState =
            JBSERunner.runJBSE(classpath, testMethod);
    assertEquals(2, conditionOnVariablesForEachState.size());
    assertEquals("[{param1=[param1 % 3 == 0]}, {param1=[param1 % 3 != 0]}]", conditionOnVariablesForEachState.toString());
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
@Test
public void test2() throws Exception {

    /*
        Same as Test, but on another test method (compareTo).
        In this case, there is also a parameter in the second operand
     */

    final InputProgram program = configuration.getInputProgram();
    final String classpath = AutomaticBuilderFactory.getAutomaticBuilder(
            configuration
    ).buildClasspath(program.getProgramDir()) + ":" +
            program.getProgramDir() + program.getClassesDir() + ":" +
            program.getProgramDir() + program.getTestClassesDir();
    final CtMethod<?> testMethod = this.launcher.getFactory().Class()
            .get("fr.inria.calculator.CalculatorTest")
            .getMethodsByName("testCompareToWithParameters")
            .get(0);
    final List<Map<String, List<String>>> conditionOnVariablesForEachState =
            JBSERunner.runJBSE(classpath, testMethod);
    assertEquals("[{param1=[param1 > param2]}, {param1=[param1 <= param2]}]", conditionOnVariablesForEachState.toString());
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
@Override
public void process(final CtMethod<?> method) {
  final CtAnnotation<Annotation> annotation = getFactory().Code().createAnnotation(getFactory().Code().createCtTypeReference(ApiModelProperty.class));

  final String fieldName = uncapitalize(removeStart(method.getSimpleName(), "get"));
  final String classFqn = TypeHelper.getClassname(method);

  final Map<String, ParameterDescription> docs = context.getDtoDocumentation().get(classFqn);
  if (docs != null) {
    final ParameterDescription parameterDescription = docs.get(fieldName);
    if (parameterDescription != null) {
      log.debug("Found parameter description for {} {}", classFqn, fieldName);
      annotation.addValue("value", parameterDescription.getDescription());
      if (parameterDescription.getRequired() != null) {
        annotation.addValue("required", parameterDescription.getRequired().booleanValue());
      }
    }
  }

  annotation.addValue("name", fieldName);

  method.addAnnotation(annotation);
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
public CtMethod getMethod(CtType<?> ctClass) {
    if ("none".equals(this.simpleNameMethod)) {
        return null;
    } else {
        if (this.testCase == null) {
            List<CtMethod<?>> methodsByName = ctClass.getMethodsByName(this.simpleNameMethod);
            if (methodsByName.isEmpty()) {
                if (ctClass.getSuperclass() != null) {
                    return getMethod(ctClass.getSuperclass().getDeclaration());
                } else {
                    return null;
                }
            }
            this.testCase = methodsByName.get(0);
        }
        return this.testCase;
    }
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
@Test
public void testBooleanMutation() throws Exception {

    /*
        Test the amplification on boolean literal
     */

    final String nameMethod = "methodBoolean";
    final boolean originalValue = true;
    CtClass<Object> literalMutationClass = Utils.getFactory().Class().get("fr.inria.amp.LiteralMutation");
    AmplificationHelper.setSeedRandom(42L);
    TestDataMutator mutator = getTestDataMutator(literalMutationClass);
    CtMethod method = literalMutationClass.getMethod(nameMethod);
    List<CtMethod> mutantMethods = mutator.apply(method);
    CtMethod mutantMethod = mutantMethods.get(0);

    assertEquals(1, mutantMethods.size());
    assertEquals(nameMethod + SUFFIX_MUTATION + "Boolean" + "1", mutantMethod.getSimpleName());
    CtLiteral mutantLiteral = mutantMethod.getBody().getElements(new TypeFilter<>(CtLiteral.class)).get(0);
    assertEquals(!(originalValue), mutantLiteral.getValue());
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
@Test
public void testMethodCallRemoveAll() throws Exception {

    /*
        Test that we remove method call in a test for each used method in the test.
            3 method are called in the original test, we produce 3 test methods.
     */

    CtClass<Object> testClass = Utils.getFactory().Class().get("fr.inria.mutation.ClassUnderTestTest");

    TestMethodCallRemover methodCallRemove = new TestMethodCallRemover();
    methodCallRemove.reset(null);

    final CtMethod<?> originalMethod = testClass.getMethods().stream().filter(m -> "testAddCall".equals(m.getSimpleName())).findFirst().get();
    List<CtMethod> amplifiedMethods = methodCallRemove.apply(originalMethod);

    assertEquals(2, amplifiedMethods.size());

    for (int i = 0; i < amplifiedMethods.size(); i++) {
        assertEquals(originalMethod.getBody().getStatements().size() - 1, amplifiedMethods.get(i).getBody().getStatements().size());
        assertNotEquals(amplifiedMethods.get((i+1) % amplifiedMethods.size()).getBody(), amplifiedMethods.get(i).getBody());//checks that all generated methods are different
    }
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
protected boolean isTest(CtMethod candidate) {
    if(candidate.isImplicit()
            || !candidate.getModifiers().contains(ModifierKind.PUBLIC)
            || candidate.getBody() == null
            || candidate.getBody().getStatements().size() == 0) {
        return false;
    }
    if(!guavaTestlib) {
        return candidate.getSimpleName().contains("test")
                || candidate.getAnnotations().stream()
                .map(annotation -> annotation.toString())
                .anyMatch(annotation -> annotation.startsWith("@org.junit.Test"));
    } else {
        return  candidate.getDeclaringType().getSimpleName().endsWith("Tester")
                && (candidate.getSimpleName().contains("test")
                || candidate.getAnnotations().stream()
                .map(annotation -> annotation.toString())
                .anyMatch(annotation -> annotation.startsWith("@org.junit.Test")));
    }
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
protected CtMethod cloneMethod(CtMethod method, String suffix) {
    count++;
    CtMethod cloned_method = this.getFactory().Core().clone(method);
    cloned_method.setParent(method.getParent());
    //rename the clone
    cloned_method.setSimpleName(method.getSimpleName()+suffix+cloneNumber);
    cloneNumber++;

    CtAnnotation toRemove = cloned_method.getAnnotations().stream()
                                         .filter(annotation -> annotation.toString().contains("Override"))
                                         .findFirst().orElse(null);

    if(toRemove != null) {
        cloned_method.removeAnnotation(toRemove);
    }
    mutatedMethod.add(cloned_method);
    return cloned_method;
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
@Test
public void testBuildAssertOnSpecificCases() throws Exception {
    CtClass testClass = Utils.findClass("fr.inria.sample.TestClassWithSpecificCaseToBeAsserted");
    MethodsAssertGenerator mag = new MethodsAssertGenerator(testClass, Utils.getInputConfiguration(), Utils.getCompiler());
    CtMethod test1 = Utils.findMethod("fr.inria.sample.TestClassWithSpecificCaseToBeAsserted", "test1");
    List<CtMethod<?>> test1_buildNewAssert = mag.generateAsserts(testClass, Collections.singletonList(test1));

    final String expectedBody = "{" + nl  +
"    int a = 0;" + nl  +
"    int b = 1;" + nl  +
"    // AssertGenerator create local variable with return value of invocation" + nl  +
"    int o_test1__3 = new java.util.Comparator<java.lang.Integer>() {" + nl  +
"        @java.lang.Override" + nl  +
"        public int compare(java.lang.Integer integer, java.lang.Integer t1) {" + nl  +
"            return integer - t1;" + nl  +
"        }" + nl  +
"    }.compare(a, b);" + nl  +
"    // AssertGenerator add assertion" + nl  +
"    org.junit.Assert.assertEquals(-1, ((int) (o_test1__3)));" + nl  +
"}";

    assertEquals(expectedBody, test1_buildNewAssert.get(0).getBody().toString());
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
@Test
public void testIntMutation() throws Exception {
    final String nameMethod = "methodInteger";
    final int originalValue = 23;
    CtClass<Object> literalMutationClass = Utils.getFactory().Class().get("fr.inria.amp.LiteralMutation");
    AmplificationHelper.setSeedRandom(42L);
    NumberLiteralAmplifier amplificator = getAmplifier(literalMutationClass);
    CtMethod method = literalMutationClass.getMethod(nameMethod);
    List<Integer> expectedValues = Arrays.asList(22, 24, 2147483647, -2147483648, 0);

    List<CtMethod> mutantMethods = amplificator.apply(method);
    assertEquals(5, mutantMethods.size());
    for (int i = 0; i < mutantMethods.size(); i++) {
        CtMethod mutantMethod = mutantMethods.get(i);
        assertEquals(nameMethod + "litNum" + (i + 1), mutantMethod.getSimpleName());
        CtLiteral mutantLiteral = mutantMethod.getBody().getElements(new TypeFilter<>(CtLiteral.class)).get(0);
        assertNotEquals(originalValue, mutantLiteral.getValue());
        assertTrue(mutantLiteral.getValue() + " not in expected values",
                expectedValues.contains(mutantLiteral.getValue()));
    }
}
 

import spoon.reflect.declaration.CtMethod; //导入依赖的package包/类
private TestListener compileAndRunTests(CtType classTest, List<CtMethod<?>> currentTestList) {
	CtType amplifiedTestClass = this.testSelector.buildClassForSelection(classTest, currentTestList);
	final TestListener result = TestCompiler.compileAndRun(
			amplifiedTestClass,
			this.compiler,
			currentTestList,
			this.configuration
	);
	final long numberOfSubClasses = classTest.getFactory().Class().getAll().stream()
			.filter(subClass -> classTest.getReference().equals(subClass.getSuperclass()))
			.count();
	if (result == null ||
			!result.getFailingTests().isEmpty() ||
			(!classTest.getModifiers().contains(ModifierKind.ABSTRACT) &&
					result.getRunningTests().size() != currentTestList.size()) ||
			(classTest.getModifiers().contains(ModifierKind.ABSTRACT) &&
					numberOfSubClasses != result.getRunningTests().size())) {
		return null;
	} else {
		LOGGER.info("update test testCriterion");
		testSelector.update();
		return result;
	}
}