def test_pixel_size_specified_ignores_dpi_width():
width_px = inches_to_px(Inches(1))
image = generate_image(width=width_px, height=1, dpi=(300, 300))
size = image_size(image, width_px=width_px)
assert size == {"width": Inches(1)}
def test_no_pixel_size_uses_dpi_width():
width_px = inches_to_px(USABLE_WIDTH, 300)
image = generate_image(width=width_px, height=1, dpi=(300, 300))
size = image_size(image)
assert size == {}
def test_no_pixel_size_uses_dpi_height():
height_px = inches_to_px(USABLE_HEIGHT, 300)
image = generate_image(width=1, height=height_px, dpi=(300, 300))
size = image_size(image)
assert size == {}
def test_resize_exceeds_width():
image = generate_image(width=1, height=1)
size = image_size(image, height_px=inches_to_px(USABLE_HEIGHT))
assert size == {"width": USABLE_WIDTH}
def test_resize_exceeds_height():
image = generate_image(width=1, height=2)
size = image_size(image, width_px=inches_to_px(USABLE_WIDTH))
assert size == {"height": USABLE_HEIGHT}
def test_size_larger_than_usable_width():
image = generate_image(width=100, height=1)
max_width_px = inches_to_px(USABLE_WIDTH) + 1
size = image_size(image, width_px=max_width_px)
assert size == {"width": USABLE_WIDTH}
def test_size_taller_than_usable_height():
image = generate_image(width=1, height=100)
max_height_px = inches_to_px(USABLE_HEIGHT) + 1
size = image_size(image, height_px=max_height_px)
assert size == {"height": USABLE_HEIGHT}
def test_image_taller_than_usable_height():
image = generate_image(width=1, height=inches_to_px(USABLE_HEIGHT) + 1)
size = image_size(image)
assert size == {"height": USABLE_HEIGHT}
def test_image_larger_than_usable_width():
image = generate_image(width=inches_to_px(USABLE_WIDTH) + 1, height=1)
size = image_size(image)
assert size == {"width": USABLE_WIDTH}
def test_downscale():
image = generate_image(width=2, height=2)
size = image_size(image, width_px=1, height_px=1)
side = px_to_inches(1)
assert size == {"width": side, "height": side}
def test_one_px():
image = generate_image(width=1, height=1)
size = image_size(image, 1, 1)
side = px_to_inches(1)
assert size == {"width": side, "height": side}
def test_pixel_size_specified_ignores_dpi_height():
height_px = inches_to_px(Inches(1))
image = generate_image(width=1, height=height_px, dpi=(300, 300))
size = image_size(image, height_px=height_px)
assert size == {"height": Inches(1)}
