async def test_can_resize_with_stretch(self):
data = TestData(
source_width=800,
source_height=600,
target_width=800,
target_height=200,
halign="right",
valign="top",
focal_points=[],
crop_left=None,
crop_top=None,
crop_right=None,
crop_bottom=None,
stretch=True,
)
ctx = data.to_context()
engine = ctx.modules.engine
trans = Transformer(ctx)
await trans.transform()
expect(engine.calls["resize"]).to_equal([{
"width": 800,
"height": 200
}])
expect(engine.calls["crop"]).to_be_empty()
async def test_can_extract_cover(self):
data = TestData(
source_width=800,
source_height=600,
target_width=-800,
target_height=-600,
halign="right",
valign="top",
focal_points=[],
crop_left=None,
crop_top=None,
crop_right=None,
crop_bottom=None,
)
ctx = data.to_context()
ctx.request.filters = "cover()"
ctx.request.image = "some.gif"
ctx.request.extension = "GIF"
ctx.request.engine.extension = ".gif"
ctx.config.USE_GIFSICLE_ENGINE = True
engine = ctx.modules.engine
trans = Transformer(ctx)
await trans.transform()
expect(engine.calls["cover"]).to_equal(1)
def test_can_resize_images_with_detection_error(self):
test_data = TestData(
source_width=800, source_height=600,
target_width=400, target_height=150,
halign="center", valign="middle",
focal_points=[],
crop_left=0, crop_top=75, crop_right=800, crop_bottom=375
)
context = test_data.to_context(detectors=[MockErrorSyncDetector], ignore_detector_error=True)
trans = Transformer(context)
trans.transform(self.validate_resize(test_data))
def test_can_resize_images_with_detection_error_not_ignoring_it(self):
test_data = TestData(
source_width=800, source_height=600,
target_width=400, target_height=150,
halign="center", valign="middle",
focal_points=[],
crop_left=0, crop_top=75, crop_right=800, crop_bottom=375
)
context = test_data.to_context(detectors=[MockErrorSyncDetector], ignore_detector_error=False)
trans = Transformer(context)
with expect.error_to_happen(Exception, message='x'):
trans.transform(None)
expect(test_data.engine.calls['resize']).to_length(0)
def test_can_resize_images_with_detection_error_not_ignoring_it(self):
test_data = TestData(
source_width=800, source_height=600,
target_width=400, target_height=150,
halign="center", valign="middle",
focal_points=[],
crop_left=0, crop_top=75, crop_right=800, crop_bottom=375
)
context = test_data.to_context(detectors=[MockErrorSyncDetector], ignore_detector_error=False)
trans = Transformer(context)
trans.transform(lambda: None)
expect(test_data.engine.calls['resize']).to_length(0)
def test_invalid_crop(self):
data = TestData(
source_width=800, source_height=600,
target_width=800, target_height=600,
halign="right", valign="top",
focal_points=[],
crop_left=200, crop_top=0, crop_right=100, crop_bottom=100
)
ctx = data.to_context()
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(self.handle_invalid_crop(engine))
expect(self.has_handled).to_be_true()
def test_invalid_crop(self):
data = TestData(
source_width=800, source_height=600,
target_width=800, target_height=600,
halign="right", valign="top",
focal_points=[],
crop_left=200, crop_top=0, crop_right=100, crop_bottom=100
)
ctx = data.to_context()
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(lambda: None)
expect(engine.calls['crop']).to_be_empty()
def test_get_target_dimensions(self):
data = TestData(
source_width=800, source_height=600,
target_width=600, target_height=400,
halign="right", valign="top",
focal_points=[],
crop_left=200, crop_top=0, crop_right=100, crop_bottom=100
)
ctx = data.to_context()
trans = Transformer(ctx)
dimensions = trans.get_target_dimensions()
expect(dimensions).to_equal((600, 400))
trans.transform(lambda: 1)
expect(dimensions).to_equal((600, 400))
def test_get_target_dimensions(self):
data = TestData(
source_width=800, source_height=600,
target_width=600, target_height=400,
halign="right", valign="top",
focal_points=[],
crop_left=200, crop_top=0, crop_right=100, crop_bottom=100
)
ctx = data.to_context()
trans = Transformer(ctx)
dimensions = trans.get_target_dimensions()
expect(dimensions).to_equal((600, 400))
trans.transform(lambda: 1)
expect(dimensions).to_equal((600, 400))
def test_can_resize_with_stretch():
data = TestData(
source_width=800, source_height=600,
target_width=800, target_height=200,
halign="right", valign="top",
focal_points=[],
crop_left=None, crop_top=None, crop_right=None, crop_bottom=None,
stretch=True
)
ctx = data.to_context()
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(lambda: None)
expect(engine.calls['resize']).to_equal([{'width': 800, 'height': 200}])
expect(engine.calls['crop']).to_be_empty()
def test_can_transform_with_flip(self):
data = TestData(
source_width=800, source_height=600,
target_width=-800, target_height=-600,
halign="right", valign="top",
focal_points=[],
crop_left=None, crop_top=None, crop_right=None, crop_bottom=None
)
ctx = data.to_context()
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(lambda: None)
expect(engine.calls['horizontal_flip']).to_equal(1)
expect(engine.calls['vertical_flip']).to_equal(1)
def test_can_transform_meta_with_orientation(self):
data = TestData(
source_width=800, source_height=600,
target_width=100, target_height=100,
halign="right", valign="top",
focal_points=[],
crop_left=None, crop_top=None, crop_right=None, crop_bottom=None,
meta=True
)
ctx = data.to_context()
ctx.config.RESPECT_ORIENTATION = True
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(lambda: None)
expect(engine.calls['reorientate']).to_equal(1)
def test_can_transform_meta_with_orientation(self):
data = TestData(
source_width=800, source_height=600,
target_width=100, target_height=100,
halign="right", valign="top",
focal_points=[],
crop_left=None, crop_top=None, crop_right=None, crop_bottom=None,
meta=True
)
ctx = data.to_context()
ctx.config.RESPECT_ORIENTATION = True
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(self.handle_transform_with_meta(engine))
expect(self.has_handled).to_be_true()
def test_invalid_crop(self):
data = TestData(source_width=800,
source_height=600,
target_width=800,
target_height=600,
halign="right",
valign="top",
focal_points=[],
crop_left=200,
crop_top=0,
crop_right=100,
crop_bottom=100)
ctx = data.to_context()
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(lambda: None)
expect(engine.calls['crop']).to_be_empty()
def test_can_transform_with_flip(self):
data = TestData(source_width=800,
source_height=600,
target_width=-800,
target_height=-600,
halign="right",
valign="top",
focal_points=[],
crop_left=None,
crop_top=None,
crop_right=None,
crop_bottom=None)
ctx = data.to_context()
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(lambda: None)
expect(engine.calls['horizontal_flip']).to_equal(1)
expect(engine.calls['vertical_flip']).to_equal(1)
def test_can_extract_cover(self):
data = TestData(
source_width=800, source_height=600,
target_width=-800, target_height=-600,
halign="right", valign="top",
focal_points=[],
crop_left=None, crop_top=None, crop_right=None, crop_bottom=None
)
ctx = data.to_context()
ctx.request.filters = 'cover()'
ctx.request.image = 'some.gif'
ctx.request.extension = 'GIF'
ctx.request.engine.extension = '.gif'
ctx.config.USE_GIFSICLE_ENGINE = True
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(lambda: None)
expect(engine.calls['cover']).to_equal(1)
def test_can_extract_cover(self):
data = TestData(
source_width=800, source_height=600,
target_width=-800, target_height=-600,
halign="right", valign="top",
focal_points=[],
crop_left=None, crop_top=None, crop_right=None, crop_bottom=None
)
ctx = data.to_context()
ctx.request.filters = 'cover()'
ctx.request.image = 'some.gif'
ctx.request.extension = 'GIF'
ctx.request.engine.extension = '.gif'
ctx.config.USE_GIFSICLE_ENGINE = True
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(self.handle_extract_cover(engine))
expect(self.has_handled).to_be_true()
def test_can_resize_with_stretch():
data = TestData(source_width=800,
source_height=600,
target_width=800,
target_height=200,
halign="right",
valign="top",
focal_points=[],
crop_left=None,
crop_top=None,
crop_right=None,
crop_bottom=None,
stretch=True)
ctx = data.to_context()
engine = ctx.modules.engine
trans = Transformer(ctx)
trans.transform(lambda: None)
expect(engine.calls['resize']).to_equal([{
'width': 800,
'height': 200
}])
expect(engine.calls['crop']).to_be_empty()
async def test_can_transform_meta_with_orientation(self):
data = TestData(
source_width=800,
source_height=600,
target_width=100,
target_height=100,
halign="right",
valign="top",
focal_points=[],
crop_left=None,
crop_top=None,
crop_right=None,
crop_bottom=None,
meta=True,
)
ctx = data.to_context()
ctx.config.RESPECT_ORIENTATION = True
engine = ctx.modules.engine
trans = Transformer(ctx)
await trans.transform()
expect(engine.calls["reorientate"]).to_equal(1)
