compose/tests/unit/utils_test.py

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# encoding: utf-8
from __future__ import absolute_import
from __future__ import unicode_literals
from compose import utils
class TestJsonSplitter(object):
def test_json_splitter_no_object(self):
data = '{"foo": "bar'
assert utils.json_splitter(data) is None
def test_json_splitter_with_object(self):
data = '{"foo": "bar"}\n \n{"next": "obj"}'
assert utils.json_splitter(data) == ({'foo': 'bar'}, '{"next": "obj"}')
def test_json_splitter_leading_whitespace(self):
data = '\n \r{"foo": "bar"}\n\n {"next": "obj"}'
assert utils.json_splitter(data) == ({'foo': 'bar'}, '{"next": "obj"}')
class TestStreamAsText(object):
def test_stream_with_non_utf_unicode_character(self):
stream = [b'\xed\xf3\xf3']
output, = utils.stream_as_text(stream)
assert output == '<EFBFBD><EFBFBD><EFBFBD>'
def test_stream_with_utf_character(self):
stream = ['ěĝ'.encode('utf-8')]
output, = utils.stream_as_text(stream)
assert output == 'ěĝ'
class TestJsonStream(object):
def test_with_falsy_entries(self):
stream = [
'{"one": "two"}\n{}\n',
"[1, 2, 3]\n[]\n",
]
output = list(utils.json_stream(stream))
assert output == [
{'one': 'two'},
{},
[1, 2, 3],
[],
]
def test_with_leading_whitespace(self):
stream = [
'\n \r\n {"one": "two"}{"x": 1}',
' {"three": "four"}\t\t{"x": 2}'
]
output = list(utils.json_stream(stream))
assert output == [
{'one': 'two'},
{'x': 1},
{'three': 'four'},
{'x': 2}
]
class TestParseBytes(object):
def test_parse_bytes(self):
assert utils.parse_bytes('123kb') == 123 * 1024
assert utils.parse_bytes(123) == 123
assert utils.parse_bytes('foobar') is None
assert utils.parse_bytes('123') == 123
class TestMoreItertools(object):
def test_unique_everseen(self):
unique = utils.unique_everseen
assert list(unique([2, 1, 2, 1])) == [2, 1]
assert list(unique([2, 1, 2, 1], hash)) == [2, 1]
assert list(unique([2, 1, 2, 1], lambda x: 'key_%s' % x)) == [2, 1]