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""" Tests for checksum """ | ||
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import hashlib | ||
import itertools | ||
import pytest | ||
from ubiquerg import checksum, size, filesize_to_str | ||
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__author__ = "Vince Reuter" | ||
__email__ = "vreuter@virginia.edu" | ||
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def pytest_generate_tests(metafunc): | ||
""" Dynamic test case generation/parameterization for this module. """ | ||
if "size1" in metafunc.fixturenames and "size2" in metafunc.fixturenames: | ||
metafunc.parametrize( | ||
["size1", "size2"], itertools.product([1, 4], [2, 8])) | ||
if "lines" in metafunc.fixturenames: | ||
metafunc.parametrize("lines", [[], ["line1"], ["line1", "line2"]]) | ||
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def test_checksum(size1, size2, lines, tmpdir): | ||
""" Checksum result matches expectation and is blocksize-agnostic """ | ||
fp = tmpdir.join("temp-data.txt").strpath | ||
data = "\n".join(lines) | ||
with open(fp, 'w') as f: | ||
f.write(data) | ||
exp = hashlib.new("md5", data.encode("utf-8")).hexdigest() | ||
res1 = checksum(fp, size1) | ||
res2 = checksum(fp, size2) | ||
assert exp == res1 | ||
assert res1 == res2 | ||
assert res2 == exp | ||
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def test_size_returns_str(lines, tmpdir): | ||
""" Size returns a string and works with both files and directories """ | ||
fp = tmpdir.join("temp-data.txt").strpath | ||
data = "\n".join(lines) | ||
with open(fp, 'w') as f: | ||
f.write(data) | ||
assert isinstance(size(fp), str) | ||
assert isinstance(size(tmpdir.strpath), str) | ||
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def test_size_returns_int(lines, tmpdir): | ||
fp = tmpdir.join("temp-data.txt").strpath | ||
fp_larger = tmpdir.join("temp-data.txt").strpath | ||
data = "\n".join(lines) | ||
with open(fp, 'w') as f: | ||
f.write(data) | ||
with open(fp_larger, 'w') as f1: | ||
f1.write(data * 100) | ||
assert isinstance(size(tmpdir.strpath, False), int) | ||
assert isinstance(size(fp, False), int) | ||
assert size(fp, size_str=False) <= size(fp, size_str=False) | ||
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def test_nonexistent_path(tmpdir): | ||
""" Nonexistent path to checksum is erroneous. """ | ||
with pytest.raises(IOError): | ||
checksum(tmpdir.join("does-not-exist.txt").strpath) | ||
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@pytest.mark.parametrize("size_num", list(range(0, 10)) + [i/3 for i in range(0, 10)]) | ||
def test_filesize_to_str_int(size_num): | ||
""" Works with int and returns str """ | ||
assert isinstance(filesize_to_str(size_num), str) | ||
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@pytest.mark.parametrize("obj", ["test", [], tuple()]) | ||
def test_filesize_to_str_other(obj): | ||
""" Returns the original object if it's not an int or float and warns """ | ||
with pytest.warns(UserWarning): | ||
assert filesize_to_str(obj) == obj |
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Original file line number | Diff line number | Diff line change |
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@@ -1 +1 @@ | ||
__version__ = "0.4.5" | ||
__version__ = "0.4.6" |
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