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import io
import os.path
import pytest
from installer.destinations import SchemeDictionaryDestination, WheelDestination
from installer.records import RecordEntry
from installer.scripts import Script
from installer.utils import SCHEME_NAMES
class TestWheelDestination:
def test_takes_no_arguments(self):
WheelDestination()
def test_raises_not_implemented_error(self):
destination = WheelDestination()
with pytest.raises(NotImplementedError):
destination.write_script(name=None, module=None, attr=None, section=None)
with pytest.raises(NotImplementedError):
destination.write_file(
scheme=None, path=None, stream=None, is_executable=False
)
with pytest.raises(NotImplementedError):
destination.finalize_installation(
scheme=None,
record_file_path=None,
records=None,
)
class TestSchemeDictionaryDestination:
@pytest.fixture()
def destination(self, tmp_path):
scheme_dict = {}
for scheme in SCHEME_NAMES:
full_path = tmp_path / scheme
if not full_path.exists():
full_path.mkdir()
scheme_dict[scheme] = str(full_path)
return SchemeDictionaryDestination(scheme_dict, "/my/python", "posix")
@pytest.mark.parametrize(
("scheme", "path", "data", "expected"),
[
pytest.param(
"data", "my_data.bin", b"my data", b"my data", id="normal file"
),
pytest.param(
"data",
"data_folder/my_data.bin",
b"my data",
b"my data",
id="normal file in subfolder",
),
pytest.param(
"scripts",
"my_script.py",
b"#!python\nmy script",
b"#!/my/python\nmy script",
id="script file",
),
pytest.param(
"scripts",
"script_folder/my_script.py",
b"#!python\nmy script",
b"#!/my/python\nmy script",
id="script file in subfolder",
),
],
)
def test_write_file(self, destination, scheme, path, data, expected):
record = destination.write_file(scheme, path, io.BytesIO(data), False)
file_path = os.path.join(destination.scheme_dict[scheme], path)
with open(file_path, "rb") as f:
file_data = f.read()
assert file_data == expected
assert record.path == path
def test_write_record_duplicate(self, destination):
destination.write_file("data", "my_data.bin", io.BytesIO(b"my data"), False)
with pytest.raises(FileExistsError):
destination.write_file("data", "my_data.bin", io.BytesIO(b"my data"), False)
def test_write_script(self, destination):
script_args = ("my_entrypoint", "my_module", "my_function", "console")
record = destination.write_script(*script_args)
file_path = os.path.join(destination.scheme_dict["scripts"], "my_entrypoint")
assert os.path.isfile(file_path)
with open(file_path, "rb") as f:
file_data = f.read()
name, expected_data = Script(*script_args).generate("/my/python", "posix")
assert file_data == expected_data
assert record.path == "my_entrypoint"
def test_finalize_write_record(self, destination):
records = [
(
"data",
destination.write_file(
"data",
"my_data1.bin",
io.BytesIO(b"my data 1"),
is_executable=False,
),
),
(
"data",
destination.write_file(
"data",
"my_data2.bin",
io.BytesIO(b"my data 2"),
is_executable=False,
),
),
(
"data",
destination.write_file(
"data",
"my_data3,my_data4.bin",
io.BytesIO(b"my data 3"),
is_executable=False,
),
),
(
"scripts",
destination.write_file(
"scripts",
"my_script",
io.BytesIO(b"my script"),
is_executable=True,
),
),
(
"scripts",
destination.write_file(
"scripts",
"my_script2",
io.BytesIO(b"#!python\nmy script"),
is_executable=False,
),
),
(
"scripts",
destination.write_script(
"my_entrypoint", "my_module", "my_function", "console"
),
),
("purelib", RecordEntry("RECORD", None, None)),
]
destination.finalize_installation("purelib", "RECORD", records)
file_path = os.path.join(destination.scheme_dict["purelib"], "RECORD")
with open(file_path, "rb") as f:
data = f.read()
assert data == (
b"../data/my_data1.bin,sha256=NV0A-M4OPuqTsHjeD6Wth_-UqrpAAAdyplcustFZ8s4,9\n"
b"../data/my_data2.bin,sha256=lP7V8oWLqgyXCbdASNiPdsUogzPUZhht_7F8T5bC3eQ,9\n"
b'"../data/my_data3,my_data4.bin",sha256=18krruu1gr01x-WM_9ChSASoHv0mfRAV6-B2bd9sxpo,9\n'
b"../scripts/my_script,sha256=M60fWvUSMJkPtw2apUvjWWwOcnRPcVy_zO4-4lpH08o,9\n"
b"../scripts/my_script2,sha256=k9_997kTbTYQm7EXFLclVZL1m2N98rU90QX46XeMvjY,22\n"
b"../scripts/my_entrypoint,sha256=_p_9nwmeIeoMBfQ0akhr1KbKn3laDydg0J7cy0Fs6JI,216\n"
b"RECORD,,\n"
)
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