specrunner: Headlessly runs Jasmine-based SpecRunner

specrunner/specrunner.cpp

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+/*
+ Copyright (c) 2010 Sencha Inc.
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ */
+
+#include <QtGui>
+#include <QtWebKit>
+#include <iostream>
+
+class HeadlessSpecRunner: public QObject
+{
+    Q_OBJECT
+public:
+    HeadlessSpecRunner();
+    void load(const QString &spec);
+public slots:
+    void log(int indent, const QString &msg);
+private slots:
+    void watch(bool ok);
+protected:
+    bool hasElement(const char *select);
+    void timerEvent(QTimerEvent *event);
+private:
+    QWebPage m_page;
+    QBasicTimer m_ticker;
+    int m_runs;
+};
+
+HeadlessSpecRunner::HeadlessSpecRunner()
+    : QObject()
+    , m_runs(0)
+{
+    m_page.settings()->enablePersistentStorage();
+    connect(&m_page, SIGNAL(loadFinished(bool)), this, SLOT(watch(bool)));
+}
+
+void HeadlessSpecRunner::load(const QString &spec)
+{
+    m_ticker.stop();
+    m_page.mainFrame()->load(spec);
+    m_page.setPreferredContentsSize(QSize(1024, 600));
+}
+
+void HeadlessSpecRunner::watch(bool ok)
+{
+    if (!ok) {
+        std::cerr << "Can't load' " << qPrintable(m_page.mainFrame()->url().toString()) << std::endl;
+        QApplication::instance()->exit(1);
+        return;
+    }
+
+    m_ticker.start(200, this);
+}
+
+bool HeadlessSpecRunner::hasElement(const char *select)
+{
+    return !m_page.mainFrame()->findFirstElement(select).isNull();
+}
+
+void HeadlessSpecRunner::log(int indent, const QString &msg)
+{
+    for (int i = 0; i < indent; ++i)
+        std::cout << "  ";
+    std::cout << qPrintable(msg);
+    std::cout << std::endl;
+}
+
+#define DUMP_MSG "(function(n, i) { if (n.toString() === '[object NodeList]') { for (var c = 0; c < n.length; ++c) arguments.callee(n[c], i); return } if (n.className === 'description' || n.className == 'resultMessage fail') debug.log(i, n.textContent); var e = n.firstElementChild; while (e) { arguments.callee(e, i + 1); e = e.nextElementSibling; } })(document.getElementsByClassName('suite failed'), 1);"
+
+void HeadlessSpecRunner::timerEvent(QTimerEvent *event)
+{
+    if (event->timerId() != m_ticker.timerId())
+        return;
+
+    if (!hasElement(".jasmine_reporter") && !hasElement(".runner.running"))
+        return;
+
+    if (hasElement(".runner.passed")) {
+        QWebElement desc = m_page.mainFrame()->findFirstElement(".description");
+        std::cout << qPrintable(desc.toPlainText()) << std::endl;
+        QApplication::instance()->exit(0);
+        return;
+    }
+
+    if (hasElement(".runner.failed")) {
+        QWebElement desc = m_page.mainFrame()->findFirstElement(".description");
+        std::cout << "FAIL: " << qPrintable(desc.toPlainText()) << std::endl;
+        m_page.mainFrame()->addToJavaScriptWindowObject("debug", this);
+        m_page.mainFrame()->evaluateJavaScript(DUMP_MSG);
+        QDesktopServices::openUrl(m_page.mainFrame()->url());
+        QApplication::instance()->exit(1);
+        return;
+    }
+
+    ++m_runs;
+    if (m_runs > 20) {
+        std::cout << "WARNING: too many runs and the test is still not finished!" << std::endl;
+        QApplication::instance()->exit(1);
+    }
+}
+
+#include "specrunner.moc"
+
+int main(int argc, char** argv)
+{
+    if (argc != 2) {
+        std::cerr << "Run Jasmine's SpecRunner headlessly" << std::endl << std::endl;
+        std::cerr << "  specrunner SpecRunner.html" << std::endl;
+        return 1;
+    }
+
+    QApplication app(argc, argv);
+
+    HeadlessSpecRunner runner;
+    runner.load(QString::fromLocal8Bit(argv[1]));
+    return app.exec();
+}
+

specrunner/specrunner.pro

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+TEMPLATE = app
+TARGET = specrunner
+SOURCES = specrunner.cpp
+QT += network webkit