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'''Test cases for QWebView'''

import os
import sys
import unittest

sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from init_paths import init_test_paths
init_test_paths(False)

import py3kcompat as py3k

from PySide2.QtCore import QObject, SIGNAL, QUrl
from PySide2.QtWebKit import QWebPage, QWebView
from PySide2.QtNetwork import QNetworkRequest

from helper.helper import adjust_filename
from helper.timedqapplication import TimedQApplication


class testWebPage(QWebPage):
    def sayMyName(self):
        return 'testWebPage'

class TestLoadFinished(TimedQApplication):
    '''Test case for signal QWebView.loadFinished(bool)'''

    def setUp(self):
        #Acquire resources
        TimedQApplication.setUp(self, timeout=1000)
        self.view = QWebView()
        QObject.connect(self.view, SIGNAL('loadFinished(bool)'),
                        self.load_finished)
        self.called = False

    def tearDown(self):
        #Release resources
        del self.view
        self.called = False
        TimedQApplication.tearDown(self)

    def testLoadFinishedFromFile(self):
        url = QUrl.fromLocalFile(adjust_filename('fox.html', __file__))
        self.view.setUrl(url)
        self.app.exec_()

        self.assertTrue(self.called)

    def testSetPageAndGetPage(self):
        twp = testWebPage()
        self.view.setPage(twp)
        del twp
        p = self.view.page()
        self.assertEqual(p.sayMyName(), 'testWebPage')

        # Setting the same webpage should not incref the python obj
        refCount = sys.getrefcount(p)
        self.view.setPage(p)
        self.assertEqual(sys.getrefcount(p), refCount)

        # Changing the webpage obj should decref the old one
        twp2 = testWebPage()
        self.view.setPage(twp2)
        self.assertEqual(sys.getrefcount(p), refCount - 1)

    def load_finished(self, ok):
        #Callback to check if load was successful
        self.app.quit()
        if ok:
            self.called = True

if __name__ == '__main__':
    unittest.main()
