def test_stdout(dcm_16x16_le_path, capfdbinary):
src_path = dcm_16x16_le_path
with slice_context(src_path, "-"):
pass
captured = capfdbinary.readouterr()
slice_proxy = io.read(BytesIO(captured.out))
assert slice_proxy.width == 16
assert slice_proxy.height == 16
def test_convert_format(test_convert_format_context):
src_path, dst_path, expect_dst_path, params = test_convert_format_context
expect_pixels = np.arange(100).reshape(10, 10).astype(np.uint8)
with slice_context(src_path, dst_path, params) as proxy:
assert proxy.width == 16
assert proxy.height == 16
proxy.pixels = expect_pixels
assert os.path.exists(expect_dst_path)
with open(expect_dst_path, "rb") as dst_fo:
result = io.read(dst_fo)
assert result.width == 10
assert result.height == 10
assert np.allclose(result.pixels, expect_pixels, atol=1)
def test_attr_override(test_attr_override_context):
src_path, dst_path, expect_params = test_attr_override_context
with slice_context(src_path, dst_path, expect_params) as proxy:
assert np.allclose(proxy.spacing, expect_params["proxy"]["spacing"])
assert np.allclose(proxy.origin, expect_params["proxy"]["origin"])
assert np.allclose(proxy.orientation,
expect_params["proxy"]["orientation"])
assert os.path.exists(dst_path)
with open(dst_path, "rb") as dst_fo:
result = io.read(dst_fo)
assert np.allclose(result.spacing, expect_params["proxy"]["spacing"])
assert np.allclose(result.origin, expect_params["proxy"]["origin"])
assert np.allclose(result.orientation,
expect_params["proxy"]["orientation"])
assert result.Modality == expect_params["proxy"]["Modality"]
def test_only_src(dcm_16x16_le_path):
src_path = dcm_16x16_le_path
with slice_context(src_path, None) as proxy:
assert proxy.width == 16
assert proxy.height == 16
def test_stdin(dcm_16x16_le_fo, monkeypatch):
monkeypatch.setattr("sys.stdin", dcm_16x16_le_fo)
with slice_context("-", None) as proxy:
assert proxy.width == 16
assert proxy.height == 16