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Added WebPageChangedDetector
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8 files changed

+277
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‎.gitignore‎

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*.class
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/webPageImages
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/bin
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*.received.*
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# Package Files #

‎java/org/approvaltests/webpages/WebPageApproval.java‎

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package org.approvaltests.webpages;
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import java.io.File;
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import java.net.URI;
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import org.approvaltests.Approvals;
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import com.spun.util.ObjectUtils;
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import com.spun.util.io.FileUtils;
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public class WebPageApproval
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{
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public static void verifyRenderedPage(URI uri)
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{
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String imageFile = convertToLegalFileName(uri, "png");
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captureWebPage(uri, imageFile);
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Approvals.verify(new File(imageFile));
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}
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public static void captureWebPage(URI uri, String imageFile) throws Error
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{
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try
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{
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File jsFile = createPhantomjsCommand(uri, imageFile);
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Process exec = Runtime.getRuntime().exec(String.format("C:\\tools\\PhantomJS\\phantomjs.exe %s", jsFile));
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int waitFor = exec.waitFor();
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}
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catch (Throwable e)
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{
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throw ObjectUtils.throwAsError(e);
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}
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}
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private static File createPhantomjsCommand(URI uri, String imageFile) throws Throwable
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{
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File jsFile = File.createTempFile("capture", ".js");
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String template = "var page = require('webpage').create();\n" + "page.open('%s', function() {\n"
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+ " page.render('%s');\n" + " phantom.exit();\n" + "});";
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String js = String.format(template, uri, imageFile);
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FileUtils.writeFile(jsFile, js);
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return jsFile;
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}
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public static String convertToLegalFileName(URI uri, String extentionWithoutDot)
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{
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return uri.toString().replaceAll("[^a-zA-Z0-9\\.\\-]", "_") + "." + extentionWithoutDot;
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}
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}

‎java/org/approvaltests/webpages/WebPageChangeDetector.java‎

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package org.approvaltests.webpages;
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import java.awt.Color;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.File;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import javax.swing.JFrame;
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import org.approvaltests.approvers.FileApprover;
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import org.approvaltests.reporters.DiffReporter;
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import com.spun.util.Colors;
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import com.spun.util.ObjectUtils;
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import com.spun.util.WindowUtils;
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public class WebPageChangeDetector implements ActionListener
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{
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private boolean keyPressed = false;
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private URI url;
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private boolean validUrl;
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private Boolean filesMatched;
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private WebPageChangeDetectorGui gui;
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public WebPageChangeDetector()
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{
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gui = new WebPageChangeDetectorGui(this);
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}
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@Override
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public void actionPerformed(ActionEvent e)
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{
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if (keyPressed) { return; }
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try
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{
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keyPressed = true;
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if (e.getSource() == gui.lock)
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{
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doLock();
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}
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else if (e.getSource() == gui.check)
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{
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doCheck();
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}
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}
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finally
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{
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keyPressed = false;
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}
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}
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private void doCheck()
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{
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updateModel();
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WebPageApproval.captureWebPage(url, getRecievedFile());
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filesMatched = verifyFiles(getApprovedFile(), getRecievedFile());
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if (!filesMatched)
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{
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try
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{
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new DiffReporter().report(getApprovedFile(), getRecievedFile());
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}
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catch (Exception e)
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{
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throw ObjectUtils.throwAsError(e);
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}
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}
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updateScreen();
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}
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private boolean verifyFiles(String approvedFile, String recievedFile)
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{
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try
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{
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return FileApprover.approveTextFile(new File(approvedFile), new File(recievedFile));
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}
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catch (IOException e)
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{
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throw ObjectUtils.throwAsError(e);
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}
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}
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private String getRecievedFile()
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{
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return "webPageImages/" + WebPageApproval.convertToLegalFileName(url, "recieved.png");
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}
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private void doLock()
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{
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updateModel();
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WebPageApproval.captureWebPage(url, getApprovedFile());
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updateScreen();
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}
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private String getApprovedFile()
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{
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return "webPageImages/" + WebPageApproval.convertToLegalFileName(url, "png");
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}
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private void updateModel()
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{
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try
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{
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url = new URI(gui.urlTextField.getText());
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}
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catch (URISyntaxException e)
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{
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validUrl = false;
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url = null;
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}
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}
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private void updateScreen()
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{
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gui.urlTextField.setText(url.toString());
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Color color = null;
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if (filesMatched == null)
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{
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color = Colors.Yellows.Yellow;
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}
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else if (filesMatched == true)
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{
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color = Colors.Greens.Green;
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}
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else if (filesMatched == false)
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{
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color = Colors.Reds.FireBrick;
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}
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gui.check.setBackground(color);
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}
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public static void main(String[] args) throws URISyntaxException
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{
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WebPageChangeDetector panel = new WebPageChangeDetector();
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String url = args.length == 0 ? "http://cosmoquest.org" : args[0];
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panel.url = new URI(url);
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panel.updateScreen();
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panel.showFrame();
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}
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private void showFrame()
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{
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JFrame test = new JFrame("CSS/HTML Refactor Locker");
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test.getContentPane().add(gui);
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WindowUtils.testFrame(test, true);
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}
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}

‎java/org/approvaltests/webpages/WebPageChangeDetectorGui.java‎

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package org.approvaltests.webpages;
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import java.awt.Dimension;
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import java.awt.GridBagConstraints;
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import java.awt.GridBagLayout;
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import javax.swing.JButton;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JTextField;
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public class WebPageChangeDetectorGui extends JPanel
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{
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private JLabel urlLabel;
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public JTextField urlTextField;
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public JButton lock;
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public JButton check;
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private WebPageChangeDetector controller;
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public WebPageChangeDetectorGui(WebPageChangeDetector controller)
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{
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this.controller = controller;
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initialize();
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}
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private void initialize()
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{
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this.setPreferredSize(new Dimension(400, 50));
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JButton button;
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this.setLayout(new GridBagLayout());
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GridBagConstraints c = new GridBagConstraints();
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c.fill = GridBagConstraints.HORIZONTAL;
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urlLabel = new JLabel("URL");
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c.weightx = 0.5;
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c.fill = GridBagConstraints.HORIZONTAL;
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c.gridx = 0;
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c.gridy = 0;
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this.add(urlLabel, c);
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urlTextField = new JTextField();
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c.fill = GridBagConstraints.HORIZONTAL;
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c.weightx = 0.5;
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c.gridwidth = 3;
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c.gridx = 1;
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c.gridy = 0;
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this.add(urlTextField, c);
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lock = new JButton("Lock");
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lock.addActionListener(controller);
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c.fill = GridBagConstraints.HORIZONTAL;
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c.weightx = 0.5;
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c.gridwidth = 1;
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c.gridx = 2;
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c.gridy = 1;
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this.add(lock, c);
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check = new JButton("Check");
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check.addActionListener(controller);
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c.fill = GridBagConstraints.HORIZONTAL;
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c.weightx = 0.5;
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c.gridwidth = 1;
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c.gridx = 3;
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c.gridy = 1;
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this.add(check, c);
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}
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}

‎java/org/approvaltests/webpages/tests/WebPageTest.java‎

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package org.approvaltests.webpages.tests;
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import java.net.URI;
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import junit.framework.TestCase;
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import org.approvaltests.Approvals;
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import org.approvaltests.reporters.ClipboardReporter;
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import org.approvaltests.reporters.DiffReporter;
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import org.approvaltests.reporters.UseReporter;
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import org.approvaltests.webpages.WebPageApproval;
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import org.approvaltests.webpages.WebPageChangeDetector;
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@UseReporter({DiffReporter.class, ClipboardReporter.class})
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public class WebPageTest extends TestCase
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{
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public void ptestWikipedia() throws Exception
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{
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WebPageApproval.verifyRenderedPage(new URI("http://cosmoquest.org"));
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}
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public void testChangeDetectorUI() throws Exception
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{
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Approvals.verify(new WebPageChangeDetector());
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}
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}

‎java/org/approvaltests/webpages/tests/WebPageTest.testChangeDetectorUI.approved.png‎

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‎java/org/approvaltests/webpages/tests/WebPageTest.testWikipedia.approved.html‎

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‎java/org/approvaltests/writers/FileApprovalWriter.java‎

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import org.approvaltests.core.ApprovalWriter;
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import com.spun.util.io.FileUtils;
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public class FileApprovalWriter implements ApprovalWriter
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{
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private final File newFile;
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private String extensionWithDot;
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public FileApprovalWriter(File newFile)
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{
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this.newFile = newFile;
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extensionWithDot = FileUtils.getExtensionWithDot(newFile.getName());
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}
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@Override
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public String writeReceivedFile(String received) throws Exception
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@Override
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public String getApprovalFilename(String base)
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{
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return base + Writer.approved + ".html";
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return base + Writer.approved + extensionWithDot;
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}
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@Override
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public String getReceivedFilename(String base)
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{
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return base + Writer.received + ".html";
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return base + Writer.received + extensionWithDot;
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}
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}

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