com.consol.citrus.testng.PrepareTestNGMethodInterceptor Maven / Gradle / Ivy

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/*
 * Copyright 2006-2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.consol.citrus.testng;

import com.consol.citrus.Citrus;
import com.consol.citrus.annotations.CitrusXmlTest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.testng.*;
import org.testng.internal.MethodInstance;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * TestNG method interceptor duplicates method instances for each package scan test and test name in
 * Citrus annotated test method. So TestNG test is executed multiple times respectively for each Citrus test
 * constructed by method annotation.
 *
 * @author Christoph Deppisch
 * @since 1.3.1
 */
public class PrepareTestNGMethodInterceptor implements IMethodInterceptor {

    /** Logger */
    private static Logger log = LoggerFactory.getLogger(PrepareTestNGMethodInterceptor.class);

    @Override
    public List intercept(List methods, ITestContext context) {
        List interceptedMethods = new ArrayList();

        for (IMethodInstance method : methods) {
            interceptedMethods.add(method);

            if (method.getInstance() instanceof AbstractTestNGCitrusTest) {
                CitrusXmlTest citrusXmlTestAnnotation = method.getMethod().getConstructorOrMethod().getMethod().getAnnotation(CitrusXmlTest.class);
                if (citrusXmlTestAnnotation != null) {
                    if (citrusXmlTestAnnotation.name().length > 1) {
                        for (int i = 1; i < citrusXmlTestAnnotation.name().length; i++) {
                            interceptedMethods.add(new MethodInstance(method.getMethod()));
                        }
                    }

                    String[] packagesToScan = citrusXmlTestAnnotation.packageScan();
                    for (String packageName : packagesToScan) {
                        try {
                            for (String fileNamePattern : Citrus.getXmlTestFileNamePattern()) {
                                Resource[] fileResources = new PathMatchingResourcePatternResolver().getResources(packageName.replace('.', File.separatorChar) + fileNamePattern);
                                for (int i = 1; i < fileResources.length; i++) {
                                    interceptedMethods.add(new MethodInstance(method.getMethod()));
                                }
                            }
                        } catch (IOException e) {
                            log.error("Unable to locate file resources for test package '" + packageName + "'", e);
                        }
                    }
                }
            }
        }

        return interceptedMethods;
    }
}