com.ibm.watson.app.common.codegen.languages.WatsonAppJaxRSServerCodegenTest.java Source code

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Here is the source code for com.ibm.watson.app.common.codegen.languages.WatsonAppJaxRSServerCodegenTest.java

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/* Copyright IBM Corp. 2015
 *
 * 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.ibm.watson.app.common.codegen.languages;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Mockito.mock;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Map;
import java.util.Properties;

import org.apache.commons.io.IOUtils;
import org.junit.After;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

import com.ibm.watson.app.common.codegen.languages.WatsonAppJaxRSServerCodegen;
import com.wordnik.swagger.codegen.CodegenOperation;
import com.wordnik.swagger.models.Operation;

public class WatsonAppJaxRSServerCodegenTest {
    @SuppressWarnings("unused")
    private final WatsonAppJaxRSServerCodegenTest GIVEN = this, WHEN = this, WITH = this, THEN = this, AND = this;

    private static final String PACKAGE_PREFIX = "watson.codegen.package.prefix";

    private static final char dirSepChar = File.separatorChar;

    @Rule
    public TemporaryFolder folder = new TemporaryFolder();

    String packagePrefix = "com.ibm.watson.app.common.rest.api";
    WatsonAppJaxRSServerCodegen codegen;
    CodegenOperation co;
    String fileFolder;

    @After
    public void cleanup() {
        Properties props = System.getProperties();
        props.remove(PACKAGE_PREFIX);
        System.setProperties(props);
    }

    @Test
    public void test_codegen_initilaize() {
        WHEN.codegen_is_created();
        THEN.verify_codegen_is_not_null();
        AND.verify_api_package_is(packagePrefix);
        AND.verify_model_package_is(packagePrefix + ".model");
        AND.verify_template_dir_is("WatsonAppJaxRS");
        AND.verify_output_folder_is("generated-code" + dirSepChar + "watsonAppJavaJaxRS");
    }

    @Test
    public void test_codegen_initilaize_prefix_override() throws Exception {
        GIVEN.package_prefix_set("pers.smp.test");
        WHEN.codegen_is_created();
        THEN.verify_codegen_is_not_null();
        AND.verify_api_package_is(packagePrefix + ".api");
        AND.verify_model_package_is(packagePrefix + ".api.model");
        AND.verify_template_dir_is("WatsonAppJaxRS");
        AND.verify_output_folder_is("generated-code" + dirSepChar + "watsonAppJavaJaxRS");
    }

    @Test
    public void test_api_file_folder() {
        GIVEN.codegen_is_created();
        WHEN.codegen_api_file_folder_is_invoked();
        THEN.verify_file_folder_is_not_null();
        AND.verify_file_folder_is("generated-code" + dirSepChar + "watsonAppJavaJaxRS", packagePrefix);
    }

    @Test
    public void test_api_file_folder_prefix_override() throws Exception {
        GIVEN.package_prefix_set("pers.smp.test.api");
        AND.codegen_is_created();
        WHEN.codegen_api_file_folder_is_invoked();
        THEN.verify_file_folder_is_not_null();
        AND.verify_file_folder_is("generated-code" + dirSepChar + "watsonAppJavaJaxRS", packagePrefix);
    }

    @Test
    public void test_model_file_folder() {
        GIVEN.codegen_is_created();
        WHEN.codegen_model_file_folder_is_invoked();
        THEN.verify_file_folder_is_not_null();
        AND.verify_file_folder_is("generated-code" + dirSepChar + "watsonAppJavaJaxRS", packagePrefix + ".model");
    }

    @Test
    public void test_model_file_folder_prefix_override() throws Exception {
        GIVEN.package_prefix_set("pers.smp.test.api");
        AND.codegen_is_created();
        WHEN.codegen_model_file_folder_is_invoked();
        THEN.verify_file_folder_is_not_null();
        AND.verify_file_folder_is("generated-code" + dirSepChar + "watsonAppJavaJaxRS", packagePrefix + ".model");

    }

    @Test
    public void test_add_operation_to_group() {
        GIVEN.codegen_is_created();
        WHEN.add_operation_invoked("tag1", "/resource/path", null, "/some/op/path");
        THEN.verify_codegen_operation_basepath_is("resource");
    }

    @Test
    public void test_add_operation_to_group_base_same_as_op() {
        GIVEN.codegen_is_created();
        WHEN.add_operation_invoked("tag1", "/resource/path", null, "/resource/path");
        THEN.verify_codegen_operation_basepath_is("resource");
    }

    @Test
    public void test_add_operation_to_group_empty_base() {
        GIVEN.codegen_is_created();
        WHEN.add_operation_invoked("tag1", "/", null, "/");
        THEN.verify_codegen_operation_basepath_is("");
    }

    private void verify_file_folder_is_not_null() {
        assertNotNull(fileFolder);
    }

    private void verify_codegen_operation_basepath_is(String baseName) {
        assertEquals(baseName, co.baseName);
    }

    private void add_operation_invoked(String tag, String resourcePath, Operation op, String codegenPath) {

        co = new CodegenOperation();
        co.path = codegenPath;
        codegen.addOperationToGroup(tag, resourcePath, op, co, mock(Map.class));
    }

    private void verify_file_folder_is(String outputFolder, String packageName) {
        assertEquals(outputFolder + dirSepChar + codegen.sourceFolder() + dirSepChar
                + packageName.replace('.', dirSepChar), fileFolder);
    }

    private void verify_output_folder_is(String string) {
        assertEquals(string, codegen.outputFolder());
    }

    private void verify_template_dir_is(String string) {
        assertEquals(string, codegen.templateDir());
    }

    private void verify_model_package_is(String string) {
        assertEquals(string, codegen.modelPackage());
    }

    private void verify_api_package_is(String string) {
        assertEquals(string, codegen.apiPackage());
    }

    private void verify_codegen_is_not_null() {
        assertNotNull(codegen);
    }

    private void codegen_model_file_folder_is_invoked() {
        fileFolder = codegen.modelFileFolder();
    }

    private void codegen_api_file_folder_is_invoked() {
        fileFolder = codegen.apiFileFolder();
    }

    private void package_prefix_set(String string) throws IOException {
        //System.setProperty(PACKAGE_PREFIX,  string );

        File propFile = folder.newFile();
        OutputStream out = new FileOutputStream(propFile);
        IOUtils.copy(this.getClass().getResourceAsStream("/test-watson-codegen.properties"), out);
        out.close();
        System.setProperty("com.ibm.watson.app.common.codegen.config", propFile.getAbsolutePath());
        packagePrefix = string;
    }

    private void codegen_is_created() {
        codegen = new WatsonAppJaxRSServerCodegen();
    }

}