compose/tests/unit/progress_stream_test.py

121 lines
3.8 KiB
Python

# ~*~ encoding: utf-8 ~*~
from __future__ import absolute_import
from __future__ import unicode_literals
import io
import os
import random
import shutil
import tempfile
from six import StringIO
from compose import progress_stream
from tests import unittest
class ProgressStreamTestCase(unittest.TestCase):
def test_stream_output(self):
output = [
b'{"status": "Downloading", "progressDetail": {"current": '
b'31019763, "start": 1413653874, "total": 62763875}, '
b'"progress": "..."}',
]
events = list(progress_stream.stream_output(output, StringIO()))
assert len(events) == 1
def test_stream_output_div_zero(self):
output = [
b'{"status": "Downloading", "progressDetail": {"current": '
b'0, "start": 1413653874, "total": 0}, '
b'"progress": "..."}',
]
events = list(progress_stream.stream_output(output, StringIO()))
assert len(events) == 1
def test_stream_output_null_total(self):
output = [
b'{"status": "Downloading", "progressDetail": {"current": '
b'0, "start": 1413653874, "total": null}, '
b'"progress": "..."}',
]
events = list(progress_stream.stream_output(output, StringIO()))
assert len(events) == 1
def test_stream_output_progress_event_tty(self):
events = [
b'{"status": "Already exists", "progressDetail": {}, "id": "8d05e3af52b0"}'
]
class TTYStringIO(StringIO):
def isatty(self):
return True
output = TTYStringIO()
events = list(progress_stream.stream_output(events, output))
assert len(output.getvalue()) > 0
def test_stream_output_progress_event_no_tty(self):
events = [
b'{"status": "Already exists", "progressDetail": {}, "id": "8d05e3af52b0"}'
]
output = StringIO()
events = list(progress_stream.stream_output(events, output))
assert len(output.getvalue()) == 0
def test_stream_output_no_progress_event_no_tty(self):
events = [
b'{"status": "Pulling from library/xy", "id": "latest"}'
]
output = StringIO()
events = list(progress_stream.stream_output(events, output))
assert len(output.getvalue()) > 0
def test_mismatched_encoding_stream_write(self):
tmpdir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, tmpdir, True)
def mktempfile(encoding):
fname = os.path.join(tmpdir, hex(random.getrandbits(128))[2:-1])
return io.open(fname, mode='w+', encoding=encoding)
text = '就吃饭'
with mktempfile(encoding='utf-8') as tf:
progress_stream.write_to_stream(text, tf)
tf.seek(0)
assert tf.read() == text
with mktempfile(encoding='utf-32') as tf:
progress_stream.write_to_stream(text, tf)
tf.seek(0)
assert tf.read() == text
with mktempfile(encoding='ascii') as tf:
progress_stream.write_to_stream(text, tf)
tf.seek(0)
assert tf.read() == '???'
def test_get_digest_from_push(self):
digest = "sha256:abcd"
events = [
{"status": "..."},
{"status": "..."},
{"progressDetail": {}, "aux": {"Digest": digest}},
]
assert progress_stream.get_digest_from_push(events) == digest
def test_get_digest_from_pull(self):
events = list()
assert progress_stream.get_digest_from_pull(events) is None
digest = "sha256:abcd"
events = [
{"status": "..."},
{"status": "..."},
{"status": "Digest: %s" % digest},
{"status": "..."},
]
assert progress_stream.get_digest_from_pull(events) == digest