def test_adjust__smallest(self):
im = Image.open(self._data_path('100x100.png'))
fit = Fit(width=60, height=50)
adjusted = fit.adjust(im)
self.assertEqual(adjusted.size, (50, 50))
expected = Image.open(self._data_path('50x50_fit.png'))
self.assertImageEqual(adjusted, expected)
def test_adjust__smallest(self):
im = Image.open(self._data_path('100x100.png'))
fit = Fit(width=60, height=50)
adjusted = fit.adjust(im)
self.assertEqual(adjusted.size, (50, 50))
expected = Image.open(self._data_path('50x50_fit.png'))
self.assertImageEqual(adjusted, expected)
def test_get_helpers__queryset(self):
preadjust = Preadjust()
qs = AdjustedImage.objects.all()
dp = ((qs, [Fit(width=50)], 'storage_path'), )
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
self.assertTrue(qs._result_cache is None)
def test_get_helpers__iterable(self):
preadjust = Preadjust()
storage_path = self.create_image('100x100.png')
adjusted = AdjustedImage.objects.create(storage_path=storage_path,
adjusted=storage_path)
def _iter():
yield adjusted
dp = ((_iter(), [Fit(width=50)], 'storage_path'), )
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
def test_preadjust__generate(self):
preadjust = Preadjust()
storage_path = self.create_image('100x100.png')
self.assertEqual(AdjustedImage.objects.count(), 0)
preadjust.stdout = mock.MagicMock()
dp = (([storage_path], [Fit(width=50)], None), )
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
preadjust._preadjust()
preadjust.stdout.write.assert_has_calls([
mock.call('Skipped 0 empty paths.\n'),
mock.call('Skipped 0 paths which have already been adjusted.\n'),
mock.call('Adjusting 1 path... '),
mock.call('Done.\n'),
])
self.assertEqual(AdjustedImage.objects.count(), 1)
def test_preadjust__generate__failed(self):
preadjust = Preadjust()
storage_path = self.create_image('100x100.png')
self.assertEqual(AdjustedImage.objects.count(), 0)
preadjust.stdout = mock.MagicMock()
dp = (([storage_path], [Fit(width=50)], None), )
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
with mock.patch('daguerre.helpers.save_image',
side_effect=IOError):
preadjust._preadjust()
preadjust.stdout.write.assert_has_calls([
mock.call('Skipped 0 empty paths.\n'),
mock.call('Skipped 0 paths which have already been adjusted.\n'),
mock.call('Adjusting 1 path... '),
mock.call('Done.\n'),
mock.call('1 path failed due to I/O errors.')
])
self.assertEqual(AdjustedImage.objects.count(), 0)
class PreadjustTestCase(BaseTestCase):
@override_settings()
def test_get_helpers__no_setting(self):
try:
del settings.DAGUERRE_PREADJUSTMENTS
except AttributeError:
pass
preadjust = Preadjust()
self.assertRaisesMessage(CommandError, NO_ADJUSTMENTS,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(('model', [Fit(width=50)],
None), ))
def test_get_helpers__bad_string(self):
preadjust = Preadjust()
self.assertRaisesMessage(CommandError, BAD_STRUCTURE,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(('app.model', [Fit(width=50)],
None), ))
def test_get_helpers__bad_model(self):
preadjust = Preadjust()
self.assertRaisesMessage(CommandError, BAD_STRUCTURE,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(1, 2, 3))
def test_get_helpers__not_tuples(self):
preadjust = Preadjust()
self.assertRaisesMessage(CommandError, BAD_STRUCTURE,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(('daguerre.adjustedimage', [],
'storage_path'), ))
def test_get_helpers__no_adjustments(self):
preadjust = Preadjust()
self.assertRaisesMessage(CommandError, BAD_STRUCTURE,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(('daguerre.adjustedimage',
[Fit(width=50)
], 'storage_path'), ))
def test_get_helpers__good_string(self):
preadjust = Preadjust()
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
@override_settings(DAGUERRE_PREADJUSTMENTS=((AdjustedImage,
[Fit(width=50)
], 'storage_path'), ))
def test_get_helpers__model(self):
preadjust = Preadjust()
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
def test_get_helpers__queryset(self):
preadjust = Preadjust()
qs = AdjustedImage.objects.all()
dp = ((qs, [Fit(width=50)], 'storage_path'), )
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
self.assertTrue(qs._result_cache is None)
def test_get_helpers__iterable(self):
preadjust = Preadjust()
storage_path = self.create_image('100x100.png')
adjusted = AdjustedImage.objects.create(storage_path=storage_path,
adjusted=storage_path)
def _iter():
yield adjusted
dp = ((_iter(), [Fit(width=50)], 'storage_path'), )
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
@override_settings(DAGUERRE_PREADJUSTMENTS=((AdjustedImage,
[Fit(width=50)
], 'storage_path'), ))
def test_preadjust__empty(self):
preadjust = Preadjust()
storage_path = 'does_not_exist.png'
AdjustedImage.objects.create(storage_path=storage_path,
adjusted=storage_path)
self.assertEqual(AdjustedImage.objects.count(), 1)
preadjust.stdout = mock.MagicMock()
preadjust._preadjust()
preadjust.stdout.write.assert_has_calls([
mock.call('Skipped 1 empty path.\n'),
mock.call('Skipped 0 paths which have already been adjusted.\n'),
mock.call('No paths remaining to adjust.\n'),
])
self.assertEqual(AdjustedImage.objects.count(), 1)
@override_settings(DAGUERRE_PREADJUSTMENTS=((AdjustedImage,
[Fit(width=50)
], 'storage_path'), ))
def test_preadjust__skipped(self):
preadjust = Preadjust()
storage_path = self.create_image('100x100.png')
AdjustedImage.objects.create(storage_path=storage_path,
adjusted=storage_path,
requested='fit|50|')
self.assertEqual(AdjustedImage.objects.count(), 1)
preadjust.stdout = mock.MagicMock()
preadjust._preadjust()
preadjust.stdout.write.assert_has_calls([
mock.call('Skipped 0 empty paths.\n'),
mock.call('Skipped 1 path which has already been adjusted.\n'),
mock.call('No paths remaining to adjust.\n'),
])
self.assertEqual(AdjustedImage.objects.count(), 1)
def test_preadjust__generate(self):
preadjust = Preadjust()
storage_path = self.create_image('100x100.png')
self.assertEqual(AdjustedImage.objects.count(), 0)
preadjust.stdout = mock.MagicMock()
dp = (([storage_path], [Fit(width=50)], None), )
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
preadjust._preadjust()
preadjust.stdout.write.assert_has_calls([
mock.call('Skipped 0 empty paths.\n'),
mock.call('Skipped 0 paths which have already been adjusted.\n'),
mock.call('Adjusting 1 path... '),
mock.call('Done.\n'),
])
self.assertEqual(AdjustedImage.objects.count(), 1)
def test_preadjust__generate__failed(self):
preadjust = Preadjust()
storage_path = self.create_image('100x100.png')
self.assertEqual(AdjustedImage.objects.count(), 0)
preadjust.stdout = mock.MagicMock()
dp = (([storage_path], [Fit(width=50)], None), )
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
with mock.patch('daguerre.helpers.save_image',
side_effect=IOError):
preadjust._preadjust()
preadjust.stdout.write.assert_has_calls([
mock.call('Skipped 0 empty paths.\n'),
mock.call('Skipped 0 paths which have already been adjusted.\n'),
mock.call('Adjusting 1 path... '),
mock.call('Done.\n'),
mock.call('1 path failed due to I/O errors.')
])
self.assertEqual(AdjustedImage.objects.count(), 0)
def test_calculate__width(self):
fit = Fit(width=50)
self.assertEqual(fit.calculate((100, 100)), (50, 50))
def test_calculate__smallest(self):
fit = Fit(width=60, height=50)
self.assertEqual(fit.calculate((100, 100)), (50, 50))
def test_calculate__landscape_to_portrait_rounding(self):
fit = Fit(width=180, height=300)
self.assertEqual(fit.calculate((399, 666)), (180, 300))
def test_calculate__portrait_to_landscape_rounding(self):
fit = Fit(width=300, height=180)
self.assertEqual(fit.calculate((666, 399)), (300, 180))
def test_calculate__smallest(self):
fit = Fit(width=60, height=50)
self.assertEqual(fit.calculate((100, 100)), (50, 50))
def test_serialize(self):
adjustments = [Fit(width=25, height=50), Crop(width=25)]
requested = AdjustmentHelper._serialize_requested(adjustments)
self.assertEqual(requested, 'fit|25|50>crop|25|')
def test_calculate__height(self):
fit = Fit(height=50)
self.assertEqual(fit.calculate((100, 100)), (50, 50))
def test_calculate__width(self):
fit = Fit(width=50)
self.assertEqual(fit.calculate((100, 100)), (50, 50))
def test_calculate__height(self):
fit = Fit(height=50)
self.assertEqual(fit.calculate((100, 100)), (50, 50))
def test_calculate__portrait_to_landscape_rounding(self):
fit = Fit(width=300, height=180)
self.assertEqual(fit.calculate((666, 399)), (300, 180))
def test_calculate__landscape_to_portrait_rounding(self):
fit = Fit(width=180, height=300)
self.assertEqual(fit.calculate((399, 666)), (180, 300))
class PreadjustTestCase(BaseTestCase):
@override_settings()
def test_get_helpers__no_setting(self):
try:
del settings.DAGUERRE_PREADJUSTMENTS
except AttributeError:
pass
preadjust = Preadjust()
self.assertRaisesMessage(CommandError,
NO_ADJUSTMENTS,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(
('model', [Fit(width=50)], None),))
def test_get_helpers__bad_string(self):
preadjust = Preadjust()
self.assertRaisesMessage(CommandError,
BAD_STRUCTURE,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(
('app.model', [Fit(width=50)], None),))
def test_get_helpers__bad_model(self):
preadjust = Preadjust()
self.assertRaisesMessage(CommandError,
BAD_STRUCTURE,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(1, 2, 3))
def test_get_helpers__not_tuples(self):
preadjust = Preadjust()
self.assertRaisesMessage(CommandError,
BAD_STRUCTURE,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(
('daguerre.adjustedimage', [], 'storage_path'),))
def test_get_helpers__no_adjustments(self):
preadjust = Preadjust()
self.assertRaisesMessage(CommandError,
BAD_STRUCTURE,
preadjust._get_helpers)
@override_settings(DAGUERRE_PREADJUSTMENTS=(
('daguerre.adjustedimage', [Fit(width=50)], 'storage_path'),))
def test_get_helpers__good_string(self):
preadjust = Preadjust()
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
@override_settings(DAGUERRE_PREADJUSTMENTS=(
(AdjustedImage, [Fit(width=50)], 'storage_path'),))
def test_get_helpers__model(self):
preadjust = Preadjust()
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
def test_get_helpers__queryset(self):
preadjust = Preadjust()
qs = AdjustedImage.objects.all()
dp = ((qs, [Fit(width=50)], 'storage_path'),)
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
self.assertTrue(qs._result_cache is None)
def test_get_helpers__iterable(self):
preadjust = Preadjust()
storage_path = self.create_image('100x100.png')
adjusted = AdjustedImage.objects.create(storage_path=storage_path,
adjusted=storage_path)
def _iter():
yield adjusted
dp = ((_iter(), [Fit(width=50)], 'storage_path'),)
with override_settings(DAGUERRE_PREADJUSTMENTS=dp):
helpers = preadjust._get_helpers()
self.assertEqual(len(helpers), 1)
