def test_finished_state(self):
worker = Worker()
worker.configure(destination=self.image_net_home,
number_of_images=5,
images_per_category=10)
change_spy = QSignalSpy(worker.stateChanged)
worker.start_download()
while not worker.complete:
received = change_spy.wait(500)
worker = Worker()
self.assertEqual(worker.download_state, 'finished')
self.assertTrue(worker.complete)
worker = Worker()
expected_path = os.path.abspath(self.image_net_home)
state_data = json.loads(worker.state_data_json)
self.assertEqual(state_data['downloadPath'], expected_path)
self.assertEqual(state_data['numberOfImages'], 5)
self.assertEqual(state_data['imagesPerCategory'], 10)
self.assertEqual(state_data['timeLeft'], '0 seconds')
self.assertEqual(state_data['imagesLoaded'], 5)
self.assertEqual(state_data['failures'], 0)
self.assertEqual(state_data['failedUrls'], [])
self.assertEqual(state_data['progress'], 1.0)
def test_destination_path_validation(self):
worker = Worker()
dest = os.path.join('hello', 'world', 'folder')
worker.configure(destination=dest,
number_of_images=10,
images_per_category=5)
state_data = json.loads(worker.state_data_json)
self.assertEqual(state_data['downloadPath'], '')
self.assertEqual(worker.download_state, 'initial')
def test_configure_changes_parameters(self):
worker = Worker()
worker.configure(destination=self.image_net_home,
number_of_images=10,
images_per_category=5)
state_data = json.loads(worker.state_data_json)
expected_path = os.path.abspath(self.image_net_home)
self.assertEqual(state_data['downloadPath'], expected_path)
self.assertEqual(state_data['numberOfImages'], 10)
self.assertEqual(state_data['imagesPerCategory'], 5)
self.assertEqual(state_data['timeLeft'], 'Eternity')
self.assertEqual(state_data['imagesLoaded'], 0)
self.assertEqual(state_data['failures'], 0)
self.assertEqual(state_data['failedUrls'], [])
self.assertEqual(state_data['progress'], 0)
self.assertEqual(worker.download_state, 'ready')
def test_initial_state(self):
worker = Worker()
state_data = json.loads(worker.state_data_json)
self.assertEqual(worker.download_state, 'initial')
self.assertEqual(state_data['downloadPath'], '')
self.assertEqual(state_data['numberOfImages'], 100)
self.assertEqual(state_data['imagesPerCategory'], 90)
self.assertEqual(state_data['timeLeft'], 'Eternity')
self.assertEqual(state_data['imagesLoaded'], 0)
self.assertEqual(state_data['failures'], 0)
self.assertEqual(state_data['failedUrls'], [])
self.assertEqual(state_data['progress'], 0)
def test_wait_until_download_complete(self):
worker = Worker()
worker.configure(destination=self.image_net_home,
number_of_images=10,
images_per_category=5)
change_spy = QSignalSpy(worker.stateChanged)
worker.start_download()
while not worker.complete:
received = change_spy.wait(500)
self.assertEqual(worker.download_state, 'finished')
self.assertTrue(worker.complete)
def test_number_of_images_validation(self):
worker = Worker()
worker.configure(destination=self.image_net_home,
number_of_images=-1,
images_per_category=5)
state_data = json.loads(worker.state_data_json)
self.assertEqual(state_data['numberOfImages'], 100)
self.assertEqual(worker.download_state, 'initial')
worker.configure(destination=self.image_net_home,
number_of_images=0,
images_per_category=5)
self.assertEqual(state_data['numberOfImages'], 100)
self.assertEqual(worker.download_state, 'initial')
def test_images_per_category_validation(self):
worker = Worker()
worker.configure(destination=self.image_net_home,
number_of_images=10,
images_per_category=-1)
state_data = json.loads(worker.state_data_json)
self.assertEqual(state_data['imagesPerCategory'], 90)
self.assertEqual(worker.download_state, 'initial')
worker.configure(destination=self.image_net_home,
number_of_images=10,
images_per_category=0)
self.assertEqual(state_data['imagesPerCategory'], 90)
self.assertEqual(worker.download_state, 'initial')
# 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 this program. If not, see <https://www.gnu.org/licenses/>.
import logging
import sys
from PyQt5.QtCore import QUrl
from PyQt5.QtQml import QQmlApplicationEngine
from PyQt5.QtGui import QGuiApplication
from util.py_qml_glue import Worker
logging.basicConfig(filename='MLpedia.log', level=logging.INFO)
if __name__ == '__main__':
sys_argv = sys.argv
sys_argv += ['--style', 'Imagine']
app = QGuiApplication(sys.argv)
engine = QQmlApplicationEngine()
downloader = Worker()
engine.rootContext().setContextProperty("downloader", downloader)
engine.load(QUrl("qml/main.qml"))
if not engine.rootObjects():
sys.exit(-1)
sys.exit(app.exec_())