QTestLib Manual
The QTestLib framework, provided by Trolltech, is a tool for unit testing Qt based applications and libraries. QTestLib provides all the functionality commonly found in unit testing frameworks as well as extensions for testing graphical user interfaces. Table of contents: QTestLib FeaturesQTestLib is designed to ease the writing of unit tests for Qt based applications and libraries:
Note: For higher-level GUI and application testing needs, please see the Qt testing products provided by Trolltech partners. QTestLib APIAll public methods are in the QTest namespace. In addition, the QSignalSpy class provides easy introspection for Qt's signals and slots. Using QTestLibCreating a testTo create a test, subclass QObject and add one or more private slots to it. Each private slot is a testfunction in your test. QTest::qExec() can be used to execute all testfunctions in the test object. In addition, there are four private slots that are not treated as testfunctions. They will be executed by the testing framework and can be used to initialize and clean up either the entire test or the current test function.
If initTestCase() fails, no testfunction will be executed. If init() fails, the following testfunction will not be executed, the test will proceed to the next testfunction. Example: class MyFirstTest: public QObject { Q_OBJECT private slots: void initTestCase() { qDebug("called before everything else"); } void myFirstTest() { QVERIFY(1 == 1); } void mySecondTest() { QVERIFY(1 != 2); } void cleanupTestCase() { qDebug("called after myFirstTest and mySecondTest"); } }; For more examples, refer to the QTestLib Tutorial. Building a TestIf you are using qmake as your build tool, just add the following to your project file: CONFIG += qtestlib If you are using other buildtools, make sure that you add the location of the QTestLib header files to your include path (usually include/QtTest under your Qt installation directory). If you are using a release build of Qt, link your test to the QtTest library. For debug builds, use QtTest_debug. See Writing a Unit Test for a step by step explanation. QTestLib Command Line ArgumentsSyntaxThe syntax to execute an autotest takes the following simple form: testname [options] [testfunctions[:testdata]]... Substitute testname with the name of your executable. testfunctions can contain names of testfunctions to be executed. If no testfunctions are passed, all tests are run. If the name of an entry in the test function's test data is appended to the test function's name, the test function will be run only with that testdata. For example: /myTestDirectory$ testQString toUpper Runs the test function called toUpper with all available test data. /myTestDirectory$ testQString toUpper toInt:zero Runs the toUpper test function with all available test data, and the toInt test function with the testdata called zero (if the specified test data doesn't exist, the associated test will fail). /myTestDirectory$ testMyWidget -vs -eventdelay 500 Runs the testMyWidget function test, outputs every signal emission and waits 500 milliseconds after each simulated mouse/keyboard event. OptionsThe following command line arguments are understood:
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