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import os
from io import BytesIO
import pytest
import barcode
from barcode.writer import SVGWriter
PATH = os.path.dirname(os.path.abspath(__file__))
TESTPATH = os.path.join(PATH, "test_outputs")
def test_generate_without_output():
with pytest.raises(TypeError, match="'output' cannot be None"):
barcode.generate("ean13", "123455559121112")
def test_generate_with_file():
with open(os.path.join(TESTPATH, "generate_with_file.jpeg"), "wb") as f:
barcode.generate("ean13", "123455559121112", output=f)
def test_generate_with_filepath():
# FIXME: extension is added to the filepath even if you include it.
rv = barcode.generate(
"ean13",
"123455559121112",
output=os.path.join(TESTPATH, "generate_with_filepath"),
)
assert rv == os.path.abspath(os.path.join(TESTPATH, "generate_with_filepath.svg"))
def test_generate_with_file_and_writer():
with open(os.path.join(TESTPATH, "generate_with_file_and_writer.jpeg"), "wb") as f:
barcode.generate("ean13", "123455559121112", output=f, writer=SVGWriter())
def test_generate_with_bytesio():
bio = BytesIO()
barcode.generate("ean13", "123455559121112", output=bio)
# XXX: File is not 100% deterministic; needs to be addressed at some point.
# assert len(bio.getvalue()) == 6127 # noqa: ERA001
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