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import binascii
import json
from io import BytesIO, TextIOWrapper
from pathlib import Path
import pytest
import cbor2.tool
@pytest.mark.parametrize(
"value, expected",
[
((1, 2, 3), [1, 2, 3]),
({b"\x01\x02\x03": "b"}, {"\x01\x02\x03": "b"}),
({"dict": {"b": 17}}, {"dict": {"b": 17}}),
],
ids=["tuple", "byte_key", "recursion"],
)
def test_key_to_str(value, expected):
assert cbor2.tool.key_to_str(value) == expected
def test_default():
with pytest.raises(TypeError):
json.dumps(BytesIO(b""), cls=cbor2.tool.DefaultEncoder)
@pytest.mark.parametrize(
"payload",
["D81CA16162D81CA16161D81D00", "d81c81d81c830102d81d00"],
ids=["dict", "list"],
)
def test_self_referencing(payload):
decoded = cbor2.loads(binascii.unhexlify(payload))
with pytest.raises(ValueError, match="Cannot convert self-referential data to JSON"):
cbor2.tool.key_to_str(decoded)
def test_nonrecursive_ref():
payload = "d81c83d81ca26162d81ca16161016163d81d02d81d01d81d01"
decoded = cbor2.loads(binascii.unhexlify(payload))
result = cbor2.tool.key_to_str(decoded)
expected = [
{"b": {"a": 1}, "c": {"a": 1}},
{"b": {"a": 1}, "c": {"a": 1}},
{"b": {"a": 1}, "c": {"a": 1}},
]
assert result == expected
def test_stdin(monkeypatch, tmpdir):
f = tmpdir.join("outfile")
argv = ["-o", str(f)]
inbuf = TextIOWrapper(BytesIO(binascii.unhexlify("02")))
with monkeypatch.context() as m:
m.setattr("sys.argv", [""] + argv)
m.setattr("sys.stdin", inbuf)
cbor2.tool.main()
assert f.read() == "2\n"
def test_stdout(monkeypatch, tmpdir):
argv = ["-o", "-"]
inbuf = TextIOWrapper(BytesIO(binascii.unhexlify("02")))
outbuf = BytesIO()
with monkeypatch.context() as m:
m.setattr("sys.argv", [""] + argv)
m.setattr("sys.stdin", inbuf)
m.setattr("sys.stdout", outbuf)
cbor2.tool.main()
def test_readfrom(monkeypatch, tmpdir):
f = tmpdir.join("infile")
outfile = tmpdir.join("outfile")
f.write_binary(binascii.unhexlify("02"))
argv = ["-o", str(outfile), str(f)]
with monkeypatch.context() as m:
m.setattr("sys.argv", [""] + argv)
cbor2.tool.main()
assert outfile.read() == "2\n"
def test_b64(monkeypatch, tmpdir):
f = tmpdir.join("outfile")
argv = ["-d", "-o", str(f)]
inbuf = TextIOWrapper(BytesIO(b"oQID"))
with monkeypatch.context() as m:
m.setattr("sys.argv", [""] + argv)
m.setattr("sys.stdin", inbuf)
cbor2.tool.main()
assert f.read() == '{"2": 3}\n'
def test_stream(monkeypatch, tmpdir):
f = tmpdir.join("outfile")
argv = ["--sequence", "-o", str(f)]
inbuf = TextIOWrapper(BytesIO(binascii.unhexlify("0203")))
with monkeypatch.context() as m:
m.setattr("sys.argv", [""] + argv)
m.setattr("sys.stdin", inbuf)
cbor2.tool.main()
assert f.read() == "2\n3\n"
def test_embed_bytes(monkeypatch, tmpdir):
f = tmpdir.join("outfile")
argv = ["-o", str(f)]
inbuf = TextIOWrapper(BytesIO(binascii.unhexlify("42C2C2")))
with monkeypatch.context() as m:
m.setattr("sys.argv", [""] + argv)
m.setattr("sys.stdin", inbuf)
cbor2.tool.main()
assert f.read() == '"\\\\xc2\\\\xc2"\n'
def test_dtypes_from_file(monkeypatch, tmpdir):
infile = Path(__file__).with_name("examples.cbor.b64")
expected = Path(__file__).with_name("examples.json").read_text()
outfile = tmpdir.join("outfile.json")
argv = ["--sort-keys", "--pretty", "-d", "-o", str(outfile), str(infile)]
with monkeypatch.context() as m:
m.setattr("sys.argv", [""] + argv)
cbor2.tool.main()
assert outfile.read() == expected
def test_ignore_tag(monkeypatch, tmpdir):
f = tmpdir.join("outfile")
argv = ["-o", str(f), "-i", "6000"]
inbuf = TextIOWrapper(BytesIO(binascii.unhexlify("D917706548656C6C6F")))
expected = '"Hello"\n'
with monkeypatch.context() as m:
m.setattr("sys.argv", [""] + argv)
m.setattr("sys.stdin", inbuf)
cbor2.tool.main()
assert f.read() == expected
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