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# -*- coding: utf-8 -*-
import json
import os.path
import shutil
import sys
import tempfile
import time
from lvc import video
from lvc import converter
from lvc import conversion
import base
class FakeConverterInfo(converter.ConverterInfo):
extension = 'fake'
def get_executable(self):
return sys.executable
def get_arguments(self, video, output):
return ['-u', os.path.join(
os.path.dirname(__file__), 'testdata', 'fake_converter.py'),
video.filename, output]
def process_status_line(self, video, line):
return json.loads(line)
class ConversionManagerTest(base.Test):
def setUp(self):
base.Test.setUp(self)
self.converter = FakeConverterInfo('Fake')
self.manager = conversion.ConversionManager()
self.temp_dir = tempfile.mkdtemp()
self.changes = []
def tearDown(self):
base.Test.tearDown(self)
shutil.rmtree(self.temp_dir, ignore_errors=True)
def changed(self, conversion):
self.changes.append(
{'status': conversion.status,
'duration': conversion.duration,
'progress': conversion.progress,
'eta': conversion.eta
})
def spin(self, timeout):
finish_by = time.time() + timeout
while time.time() < finish_by and self.manager.running:
self.manager.check_notifications()
time.sleep(0.1)
def start_conversion(self, filename, timeout=3):
vf = video.VideoFile(filename)
c = self.manager.start_conversion(vf, self.converter)
# XXX HACK: for test harness change the output directory to be the
# same as the input file (so we can nuke in one go)
c.output_dir = os.path.dirname(filename)
c.output = os.path.join(c.output_dir,
self.converter.get_output_filename(vf))
c.listen(self.changed)
self.assertTrue(self.manager.running)
self.assertTrue(c in self.manager.in_progress)
self.spin(timeout)
self.assertFalse(self.manager.running)
self.assertFalse(os.path.exists(c.temp_output))
return c
def test_initial(self):
self.assertEqual(self.manager.notify_queue, set())
self.assertEqual(self.manager.in_progress, set())
self.assertFalse(self.manager.running)
def test_conversion(self):
filename = os.path.join(self.temp_dir, 'webm-0.webm')
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename)
c = self.start_conversion(filename)
self.assertEqual(c.status, 'finished')
self.assertEqual(c.progress, c.duration)
self.assertEqual(c.progress_percent, 1.0)
self.assertTrue(os.path.exists(c.output))
self.assertEqual(file(c.output).read(), 'blank')
self.assertEqual(self.changes, [
{'status': 'converting', 'duration': 5.0, 'eta': 5.0,
'progress': 0.0},
{'status': 'converting', 'duration': 5.0, 'eta': 4.0,
'progress': 1.0},
{'status': 'converting', 'duration': 5.0, 'eta': 3.0,
'progress': 2.0},
{'status': 'converting', 'duration': 5.0, 'eta': 2.0,
'progress': 3.0},
{'status': 'converting', 'duration': 5.0, 'eta': 1.0,
'progress': 4.0},
{'status': 'finished', 'duration': 5.0, 'eta': 0.0,
'progress': 5.0}
])
def test_conversion_with_error(self):
filename = os.path.join(self.temp_dir, 'error.webm')
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename)
c = self.start_conversion(filename)
self.assertFalse(os.path.exists(c.output))
self.assertEqual(c.status, 'failed')
self.assertEqual(c.error, 'test error')
def test_conversion_with_missing_executable(self):
missing = sys.executable + '.does-not-exist'
self.converter.get_executable = lambda: missing
filename = os.path.join(self.temp_dir, 'webm-0.webm')
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename)
c = self.start_conversion(filename)
self.assertEqual(c.status, 'failed')
self.assertEqual(c.error, '%r does not exist' % missing)
self.assertFalse(os.path.exists(c.output))
def test_multiple_simultaneous_conversions(self):
filename = os.path.join(self.temp_dir, 'webm-0.webm')
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename)
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename + '2')
vf = video.VideoFile(filename)
vf2 = video.VideoFile(filename + '2')
c = self.manager.start_conversion(vf, self.converter)
c2 = self.manager.start_conversion(vf2, self.converter)
self.assertEqual(len(self.manager.in_progress), 2)
self.spin(3) # if they're linear, it should take < 5s
self.assertEqual(c.status, 'finished')
self.assertEqual(c2.status, 'finished')
def test_limit_simultaneous_conversions(self):
self.manager.simultaneous = 1
filename = os.path.join(self.temp_dir, 'webm-0.webm')
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename)
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename + '2')
vf = video.VideoFile(filename)
vf2 = video.VideoFile(filename + '2')
c = self.manager.start_conversion(vf, self.converter)
c2 = self.manager.start_conversion(vf2, self.converter)
self.assertEqual(len(self.manager.in_progress), 1)
self.assertEqual(len(self.manager.waiting), 1)
self.spin(5)
self.assertEqual(c.status, 'finished')
self.assertEqual(c2.status, 'finished')
def test_unicode_characters(self):
for filename in (
u'"TAKE2\'s" REHEARSAL човен поўны вуграмі',
u'ところで早け',
u'Lputefartøavål'):
full_filename = os.path.join(self.temp_dir, filename)
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
full_filename)
c = self.start_conversion(full_filename)
self.assertEqual(c.status, 'finished')
self.assertTrue(filename in c.output, '%r not in %r' % (
filename, c.output))
def test_overwrite(self):
filename = os.path.join(self.temp_dir, 'webm-0.webm')
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename)
c = self.start_conversion(filename)
self.assertEqual(c.status, 'finished')
c2 = self.start_conversion(filename)
self.assertEqual(c2.status, 'finished')
self.assertEqual(c2.output, c.output)
def test_stop(self):
filename = os.path.join(self.temp_dir, 'webm-0.webm')
shutil.copyfile(os.path.join(self.testdata_dir, 'webm-0.webm'),
filename)
vf = video.VideoFile(filename)
c = self.manager.start_conversion(vf, self.converter)
time.sleep(0.5)
c.stop()
self.spin(1)
self.assertEqual(c.status, 'canceled')
self.assertEqual(c.error, 'manually stopped')
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