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Mockito sample
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‎mockito-testing-containers-sample/README.md‎

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Mockito testing containers Sample
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This sample shows how you can use the JCICSX API to get data from BIT containers.
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This sample contains a `CurrencyConverter` class which gets an account balance, and a conversion rate from 2 separate channels, and returns a string representing the value of the account once converted using the rate.
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In `src/test/java/mockitotests`, there is a test class `CurrencyConverterTest`, which demonstrates how to use a mocking framework such as Mockito to test the logic of your application by mocking out the JCICSX calls. By mocking out the JCICSX calls, CICS is not called, and these tests can be run in an agnostic environment.

‎mockito-testing-containers-sample/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.ibm.cics</groupId>
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<artifactId>mockito-testing-containers-sample</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>war</packaging>
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<dependencies>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>3.1.0</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>javax.annotation</groupId>
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<artifactId>jsr250-api</artifactId>
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<version>1.0</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<!-- <groupId>com.ibm.cics</groupId>
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<artifactId>com.ibm.cics.jcicsx</artifactId> -->
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<groupId>com.ibm.cics.exec-cics-http</groupId>
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<artifactId>jcicsx-http-client</artifactId>
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<version>0.0.8-SNAPSHOT</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>3.8.1</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-all</artifactId>
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<version>1.10.19</version>
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</dependency>
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</dependencies>
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<build>
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<pluginManagement>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-war-plugin</artifactId>
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<version>3.2.2</version>
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<configuration>
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<failOnMissingWebXml>false</failOnMissingWebXml>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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</project>

‎mockito-testing-containers-sample/src/main/java/sample/CurrencyConverter.java‎

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package sample;
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import java.nio.ByteBuffer;
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import com.ibm.cics.jcicsx.CICSConditionException;
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import com.ibm.cics.jcicsx.CICSContext;
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public class CurrencyConverter {
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private CICSContext task;
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public CurrencyConverter(CICSContext task) {
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this.task = task;
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}
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public String convertCurrency(String accountName) throws CICSConditionException, InvalidConversionRateException {
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double balance = getAccountBalance(accountName);
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double rate = getUSDGBPConversionRate();
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double convertedBalance = balance * rate;
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return String.format("%.2f", convertedBalance);
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}
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private double getAccountBalance(String accountName) throws CICSConditionException {
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byte[] bytes = task.getChannel("ACCOUNTS").getBITContainer(accountName).get();
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return ByteBuffer.wrap(bytes).getDouble();
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}
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private double getUSDGBPConversionRate() throws CICSConditionException, InvalidConversionRateException {
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byte[] bytes = task.getChannel("RATES").getBITContainer("USD-GBP").get();
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double rate = ByteBuffer.wrap(bytes).getDouble();
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if (rate < 0) {
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throw new InvalidConversionRateException();
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}
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return rate;
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}
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}

‎mockito-testing-containers-sample/src/main/java/sample/InvalidConversionRateException.java‎

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package sample;
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public class InvalidConversionRateException extends Exception {
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private static final long serialVersionUID = 1L;
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@Override
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public String getMessage() {
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return "Conversion rate not valid";
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}
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}

‎mockito-testing-containers-sample/src/main/java/sample/SampleServlet.java‎

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package sample;
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import java.io.IOException;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.ibm.cics.jcicsx.CICSConditionException;
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import com.ibm.cics.jcicsx.CICSContext;
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/**
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* A sample servlet to demonstrate how to use JCICSX to get data from BIT containers
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*/
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@WebServlet("/SampleServlet")
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public class SampleServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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/**
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* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
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*/
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@Override
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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response.setContentType("text/html");
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response.getWriter().print("Hello world!");
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String accountName = request.getParameter("accountname");
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// Gets the current CICS Context for the environment we're running in
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CICSContext task = CICSContext.getCICSContext();
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try {
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CurrencyConverter converter = new CurrencyConverter(task);
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String convertedCurrency = converter.convertCurrency(accountName);
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response.getWriter().println(convertedCurrency);
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} catch (CICSConditionException e) {
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response.getWriter().println("An exception has occured" +
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"\nRESP: " + e.getResp2() +
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"\nRESP2: " + e.getResp2() +
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"\nMessage: " + e.getMessage());
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} catch (InvalidConversionRateException e) {
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response.getWriter().println("An exception occured while trying to get the conversion rate");
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}
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}
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}

‎mockito-testing-containers-sample/src/main/webapp/WEB-INF/web.xml‎

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<?xml version="1.0"?>
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<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
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http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
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version="3.1">
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<login-config>
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<auth-method>CLIENT-CERT</auth-method>
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</login-config>
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</web-app>

‎mockito-testing-containers-sample/src/main/webapp/images/cics.png‎

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‎mockito-testing-containers-sample/src/main/webapp/index.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<title>Java Web Starter Application</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link rel="stylesheet" href="style.css" />
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</head>
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<body>
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<table>
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<tr>
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<td style='width: 30%;'>
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<img class = "newappIcon" src='images/cics.png'>
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</td>
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<td>
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<!-- The message comes from /SampleServlet -->
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<h1 id = "message"></h1>
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<p class='description'></p> Thanks for creating a <span class="blue">Liberty for Java Starter Application</span>.
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</td>
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</tr>
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</table>
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<!-- Call SampleServlet to get the message -->
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<script type="text/javascript" src="index.js"></script>
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</body>
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</html>

‎mockito-testing-containers-sample/src/main/webapp/index.js‎

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// index.js
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// request message on server
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//Calls SampleServlet to get the message
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xhrGet("SampleServlet", function(responseText){
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// add to document
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var mytitle = document.getElementById('message');
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mytitle.innerHTML = responseText;
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}, function(err){
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console.log(err);
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});
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//utilities
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function createXHR(){
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if(typeof XMLHttpRequest != 'undefined'){
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return new XMLHttpRequest();
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}else{
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try{
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return new ActiveXObject('Msxml2.XMLHTTP');
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}catch(e){
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try{
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return new ActiveXObject('Microsoft.XMLHTTP');
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}catch(e){}
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}
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}
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return null;
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}
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function xhrGet(url, callback, errback){
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var xhr = new createXHR();
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xhr.open("GET", url, true);
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xhr.onreadystatechange = function(){
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if(xhr.readyState == 4){
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if(xhr.status == 200){
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callback(xhr.responseText);
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}else{
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errback('service not available');
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}
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}
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};
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xhr.timeout = 3000;
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xhr.ontimeout = errback;
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xhr.send();
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}
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function parseJson(str){
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return window.JSON ? JSON.parse(str) : eval('(' + str + ')');
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}
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function prettyJson(str){
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// If browser does not have JSON utilities, just print the raw string value.
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return window.JSON ? JSON.stringify(JSON.parse(str), null, ' ') : str;
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}

‎mockito-testing-containers-sample/src/main/webapp/style.css‎

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/* style.css
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* This file provides css styles.
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*/
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body,html {
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background-color: #3b4b54; width : 100%;
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height: 100%;
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margin: 0 auto;
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font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
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color: #ffffff;
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}
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a {
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text-decoration: none;
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color: #00aed1;
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}
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a:hover {
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text-decoration: underline;
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}
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.newappIcon {
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padding-top: 10%;
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display: block;
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margin: 0 auto;
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padding-bottom: 2em;
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max-width:200px;
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}
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h1 {
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font-weight: bold;
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font-size: 2em;
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}
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.leftHalf {
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float: left;
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background-color: #26343f;
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width: 45%;
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height: 100%;
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}
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.rightHalf {
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float: right;
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width: 55%;
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background-color: #313f4a;
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height: 100%;
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overflow:auto;
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}
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.description {
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padding-left: 50px;
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padding-right: 50px;
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text-align: center;
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font-size: 1.2em;
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}
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.blue {
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color: #00aed1;
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}
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table {
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table-layout: fixed;
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width: 800px;
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margin: 0 auto;
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word-wrap: break-word;
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padding-top:10%;
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}
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th {
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border-bottom: 1px solid #000;
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}
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th, td {
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text-align: left;
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padding: 2px 20px;
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}
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.env-var {
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text-align: right;
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border-right: 1px solid #000;
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width: 30%;
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}
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pre {
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padding: 0;
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margin: 0;
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}

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