forked from openkylin/python-installer
95 lines
3.2 KiB
Python
95 lines
3.2 KiB
Python
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import posixpath
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import zipfile
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import pytest
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from installer.records import parse_record_file
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from installer.sources import WheelFile, WheelSource
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class TestWheelSource:
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def test_takes_two_arguments(self):
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WheelSource("distribution", "version")
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WheelSource(distribution="distribution", version="version")
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def test_correctly_computes_properties(self):
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source = WheelSource(distribution="distribution", version="version")
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assert source.data_dir == "distribution-version.data"
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assert source.dist_info_dir == "distribution-version.dist-info"
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def test_raises_not_implemented_error(self):
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source = WheelSource(distribution="distribution", version="version")
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with pytest.raises(NotImplementedError):
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source.dist_info_filenames
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with pytest.raises(NotImplementedError):
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source.read_dist_info("METADATA")
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with pytest.raises(NotImplementedError):
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source.get_contents()
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class TestWheelFile:
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def test_rejects_not_okay_name(self, tmp_path):
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# Create an empty zipfile
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path = tmp_path / "not_a_valid_name.whl"
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with zipfile.ZipFile(str(path), "w"):
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pass
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with pytest.raises(ValueError, match="Not a valid wheel filename: .+"):
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with WheelFile.open(str(path)):
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pass
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def test_provides_correct_dist_info_filenames(self, fancy_wheel):
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with WheelFile.open(fancy_wheel) as source:
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assert sorted(source.dist_info_filenames) == [
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"METADATA",
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"RECORD",
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"WHEEL",
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"entry_points.txt",
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"top_level.txt",
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]
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def test_correctly_reads_from_dist_info_files(self, fancy_wheel):
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files = {}
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with zipfile.ZipFile(fancy_wheel) as archive:
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for file in archive.namelist():
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if ".dist-info" not in file:
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continue
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files[posixpath.basename(file)] = archive.read(file).decode("utf-8")
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got_files = {}
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with WheelFile.open(fancy_wheel) as source:
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for file in files:
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got_files[file] = source.read_dist_info(file)
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assert got_files == files
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def test_provides_correct_contents(self, fancy_wheel):
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# Know the contents of the wheel
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files = {}
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with zipfile.ZipFile(fancy_wheel) as archive:
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for file in archive.namelist():
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if file[-1:] == "/":
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continue
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files[file] = archive.read(file)
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expected_record_lines = (
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files["fancy-1.0.0.dist-info/RECORD"].decode("utf-8").splitlines()
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)
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expected_records = list(parse_record_file(expected_record_lines))
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# Check that the object's output is appropriate
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got_records = []
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got_files = {}
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with WheelFile.open(fancy_wheel) as source:
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for record_elements, stream, is_executable in source.get_contents():
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got_records.append(record_elements)
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got_files[record_elements[0]] = stream.read()
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assert not is_executable
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assert sorted(got_records) == sorted(expected_records)
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assert got_files == files
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