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compose
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Format image size as decimal to be align with Docker CLI 

Signed-off-by: Guillaume Lours <guillaume.lours@docker.com>
This commit is contained in:
Guillaume Lours 2019-10-18 11:49:30 +02:00
parent 17bbbba7d6
commit 386bdda246
2 changed files with 15 additions and 11 deletions
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4
compose/cli/utils.py
View File

@ -133,12 +133,12 @@ def generate_user_agent():
def human_readable_file_size(size):
suffixes = ['B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', ]
order = int(math.log(size, 2) / 10) if size else 0
order = int(math.log(size, 1000)) if size else 0
if order >= len(suffixes):
order = len(suffixes) - 1
return '{0:.4g} {1}'.format(
size / float(1 << (order * 10)),
size / pow(10, order * 3),
suffixes[order]
)

22
tests/unit/cli/utils_test.py
View File

@ -29,16 +29,20 @@ class HumanReadableFileSizeTest(unittest.TestCase):
assert human_readable_file_size(100) == '100 B'
def test_1kb(self):
assert human_readable_file_size(1024) == '1 kB'
assert human_readable_file_size(1000) == '1 kB'
assert human_readable_file_size(1024) == '1.024 kB'
def test_1023b(self):
assert human_readable_file_size(1023) == '1023 B'
assert human_readable_file_size(1023) == '1.023 kB'
def test_999b(self):
assert human_readable_file_size(999) == '999 B'
def test_units(self):
assert human_readable_file_size((2 ** 10) ** 0) == '1 B'
assert human_readable_file_size((2 ** 10) ** 1) == '1 kB'
assert human_readable_file_size((2 ** 10) ** 2) == '1 MB'
assert human_readable_file_size((2 ** 10) ** 3) == '1 GB'
assert human_readable_file_size((2 ** 10) ** 4) == '1 TB'
assert human_readable_file_size((2 ** 10) ** 5) == '1 PB'
assert human_readable_file_size((2 ** 10) ** 6) == '1 EB'
assert human_readable_file_size((10 ** 3) ** 0) == '1 B'
assert human_readable_file_size((10 ** 3) ** 1) == '1 kB'
assert human_readable_file_size((10 ** 3) ** 2) == '1 MB'
assert human_readable_file_size((10 ** 3) ** 3) == '1 GB'
assert human_readable_file_size((10 ** 3) ** 4) == '1 TB'
assert human_readable_file_size((10 ** 3) ** 5) == '1 PB'
assert human_readable_file_size((10 ** 3) ** 6) == '1 EB'