1 ///////////////////////////////////////////////////////////////////////////////////////////////
2 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
3 // Copyright (C) 2001-2024 the original author or authors.
4 //
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Lesser General Public
7 // License as published by the Free Software Foundation; either
8 // version 2.1 of the License, or (at your option) any later version.
9 //
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Lesser General Public License for more details.
14 //
15 // You should have received a copy of the GNU Lesser General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ///////////////////////////////////////////////////////////////////////////////////////////////
19
20 package com.puppycrawl.tools.checkstyle.gui;
21
22 import static com.google.common.truth.Truth.assertWithMessage;
23
24 import java.awt.Window;
25 import java.util.Arrays;
26
27 import javax.swing.SwingUtilities;
28
29 import org.junit.jupiter.params.ParameterizedTest;
30 import org.junit.jupiter.params.provider.ValueSource;
31
32 import com.puppycrawl.tools.checkstyle.AbstractGuiTestSupport;
33
34 public class MainTest extends AbstractGuiTestSupport {
35
36 @Override
37 protected String getPackageLocation() {
38 return "com/puppycrawl/tools/checkstyle/gui/main";
39 }
40
41 /**
42 * Parametrized test to invoke Checkstyle GUI with different command line arguments.
43 *
44 * @param argList the command line arguments delimited by a semicolon (";")
45 * @throws Exception if an exception occurs while executing the test.
46 */
47 @ParameterizedTest
48 @ValueSource(strings = {";", "InputMain.java"})
49 public void testMain(String argList) throws Exception {
50 final String[] args = argList.split(";");
51 for (int i = 0; i < args.length; i++) {
52 args[i] = getPath(args[i]);
53 }
54
55 // Create the main window
56 Main.main(args);
57
58 SwingUtilities.invokeAndWait(() -> {
59 // Close the main window
60 final long mainFrameCount = Arrays.stream(Window.getWindows())
61 .filter(wnd -> wnd instanceof MainFrame && wnd.isVisible())
62 .peek(Window::dispose)
63 .count();
64 assertWithMessage("Only one window is expected")
65 .that(mainFrameCount)
66 .isEqualTo(1);
67 });
68 }
69
70 }