comparison test/TestHelper.h @ 1430:b5283878cca2 streaming-csv-writer

Introduce a TestHelper which contains boiler plate for running a suite of QtTest style objects. Stub CSVStreamWriter and test to integrate into build.

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2017 Lucas Thompson.
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _TEST_HELPER_H_
+#define _TEST_HELPER_H_
+
+#include <initializer_list>
+#include <memory>
+#include <iostream>
+#include <functional>
+
+#include <QtTest>
+
+namespace Test
+{
+
+template <class T>
+using Factory = std::function<std::unique_ptr<T>()>;
+
+template <class T, typename... Args>
+auto createFactory(Args... FArgs) -> Factory<T>
+{
+  return [&]() { return std::unique_ptr<T> { new T {FArgs...} }; };
+}
+
+using TestStatus = int;
+
+auto startTestRunner(
+  std::initializer_list<Factory<QObject>> tests,
+  int argc,
+  char *argv[],
+  QString testName,
+  QString orgName = "sonic-visualiser"
+) -> TestStatus
+{
+    int good = 0, bad = 0;
+
+    QCoreApplication app(argc, argv);
+    app.setOrganizationName(orgName);
+    app.setApplicationName(testName);
+    auto executeTest = [&](std::unique_ptr<QObject> t) {
+        if (QTest::qExec(t.get(), argc, argv) == 0) ++good;
+        else ++bad;
+    };
+
+    for (const auto& test : tests) {
+        executeTest(test());
+    }
+
+    if (bad > 0) {
+	    cerr << "\n********* " << bad << " test suite(s) failed!\n" << endl;
+	    return 1;
+    } else {
+	    cerr << "All tests passed" << endl;
+	    return 0;
+    }
+}
+
+} // namespace
+
+#endif