Clementine-audio-player-Mac.../tests/python_test.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include <Python.h>
#include "core/utilities.h"
#include "playlist/songplaylistitem.h"
#include "scripting/script.h"
#include "scripting/scriptmanager.h"
#include "scripting/python/pythonengine.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "testobjectdecorators.h"
#include "test_utils.h"
#include <QSettings>
#include <QtDebug>
#include <boost/noncopyable.hpp>
class TemporaryScript : boost::noncopyable {
public:
TemporaryScript(const QString& code, const QString& directory_template = QString()) {
directory_ = Utilities::MakeTempDir(directory_template);
QSettings ini(directory_ + "/script.ini", QSettings::IniFormat);
ini.beginGroup("Script");
ini.setValue("language", "python");
ini.setValue("script_file", "script.py");
QFile script(directory_ + "/script.py");
script.open(QIODevice::WriteOnly);
script.write(code.toUtf8());
}
~TemporaryScript() {
if (!directory_.isEmpty()) {
Utilities::RemoveRecursive(directory_);
}
}
QString directory_;
};
class PythonTest : public ::testing::Test {
protected:
static void SetUpTestCase() {
sManager = new ScriptManager;
sEngine = qobject_cast<PythonEngine*>(
sManager->EngineForLanguage(ScriptInfo::Language_Python));
sEngine->EnsureInitialised();
PythonQt::self()->addDecorators(new TestObjectDecorators());
}
static void TearDownTestCase() {
delete sManager;
}
static ScriptManager* sManager;
static PythonEngine* sEngine;
};
ScriptManager* PythonTest::sManager = NULL;
PythonEngine* PythonTest::sEngine = NULL;
TEST_F(PythonTest, HasPythonEngine) {
ASSERT_TRUE(sEngine);
}
TEST_F(PythonTest, InitFromDirectory) {
TemporaryScript script("pass");
ScriptInfo info;
info.InitFromDirectory(sManager, script.directory_);
EXPECT_TRUE(info.is_valid());
EXPECT_EQ(script.directory_, info.path());
EXPECT_EQ(ScriptInfo::Language_Python, info.language());
EXPECT_EQ(NULL, info.loaded());
}
TEST_F(PythonTest, StdioIsRedirected) {
TemporaryScript script(
"import sys\n"
"print 'text on stdout'\n"
"print >>sys.stderr, 'text on stderr'\n");
ScriptInfo info;
info.InitFromDirectory(sManager, script.directory_);
sEngine->CreateScript(info);
QString log = sManager->log_lines_plain().join("\n");
ASSERT_TRUE(log.contains("text on stdout"));
ASSERT_TRUE(log.contains("text on stderr"));
}
TEST_F(PythonTest, CleanupModuleDict) {
TemporaryScript script(
"class Foo:\n"
" def __init__(self):\n"
" print 'constructor'\n"
" def __del__(self):\n"
" print 'destructor'\n"
"f = Foo()\n");
ScriptInfo info;
info.InitFromDirectory(sManager, script.directory_);
Script* s = sEngine->CreateScript(info);
ASSERT_TRUE(sManager->log_lines_plain().last().endsWith("constructor"));
sEngine->DestroyScript(s);
ASSERT_TRUE(sManager->log_lines_plain().last().endsWith("destructor"));
}
TEST_F(PythonTest, ModuleConstants) {
TemporaryScript script(
"print type(__builtins__)\n"
"print __file__\n"
"print __name__\n"
"print __package__\n"
"print __path__\n"
"print script\n");
ScriptInfo info;
info.InitFromDirectory(sManager, script.directory_);
sEngine->CreateScript(info);
const QStringList log = sManager->log_lines_plain();
const int n = log.count();
ASSERT_GE(n, 6);
EXPECT_TRUE(log.at(n-6).endsWith("<type 'dict'>")); // __builtins__
EXPECT_TRUE(log.at(n-5).endsWith(script.directory_ + "/script.py")); // __file__
EXPECT_TRUE(log.at(n-4).endsWith("clementinescripts." + info.id())); // __name__
EXPECT_TRUE(log.at(n-3).endsWith("None")); // __package__
EXPECT_TRUE(log.at(n-2).endsWith("['" + script.directory_ + "']")); // __path__
EXPECT_TRUE(log.at(n-1).contains("ScriptInterface (QObject ")); // script
}
TEST_F(PythonTest, PythonQtAttrSetWrappedCPP) {
// Tests 3rdparty/pythonqt/patches/call-slot-returnvalue.patch
TemporaryScript script(
"import PythonQt.QtGui\n"
"PythonQt.QtGui.QStyleOption().version = 123\n"
"PythonQt.QtGui.QStyleOption().version = 123\n"
"PythonQt.QtGui.QStyleOption().version = 123\n");
ScriptInfo info;
info.InitFromDirectory(sManager, script.directory_);
EXPECT_TRUE(sEngine->CreateScript(info));
}
TEST_F(PythonTest, PythonQtArgumentReferenceCount) {
// Tests 3rdparty/pythonqt/patches/argument-reference-count.patch
TemporaryScript script(
"from PythonQt.QtCore import QFile, QObject\n"
"class Foo(QFile):\n"
" def Init(self, parent):\n"
" QFile.__init__(self, parent)\n"
"parent = QObject()\n"
"Foo().Init(parent)\n"
"assert parent\n");
ScriptInfo info;
info.InitFromDirectory(sManager, script.directory_);
EXPECT_TRUE(sEngine->CreateScript(info));
}
TEST_F(PythonTest, PythonQtConversionStack) {
// Tests 3rdparty/pythonqt/patches/conversion-stack.patch
// This crash is triggered when a C++ thing calls a virtual method on a
// python wrapper and that wrapper returns a QString, QByteArray or
// QStringList. In this instance, initStyleOption() calls text() in Foo.
TemporaryScript script(
"from PythonQt.QtGui import QProgressBar, QStyleOptionProgressBar\n"
"class Foo(QProgressBar):\n"
" def text(self):\n"
" return 'something'\n"
"for _ in xrange(1000):\n"
" Foo().initStyleOption(QStyleOptionProgressBar())\n");
ScriptInfo info;
info.InitFromDirectory(sManager, script.directory_);
EXPECT_TRUE(sEngine->CreateScript(info));
}