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pip/tests/lib/test_lib.py
2014-01-28 19:47:58 -05:00

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Python

"""Test the test support."""
from __future__ import absolute_import
import filecmp
import re
from os.path import join, isdir
from tests.lib import SRC_DIR
def test_tmp_dir_exists_in_env(script):
"""
Test that $TMPDIR == env.temp_path and path exists and env.assert_no_temp()
passes (in fast env)
"""
# need these tests to ensure the assert_no_temp feature of scripttest is
# working
script.assert_no_temp() # this fails if env.tmp_path doesn't exist
assert script.environ['TMPDIR'] == script.temp_path
assert isdir(script.temp_path)
def test_correct_pip_version(script):
"""
Check we are running proper version of pip in run_pip.
"""
# output is like:
# pip PIPVERSION from PIPDIRECTORY (python PYVERSION)
result = script.pip('--version')
# compare the directory tree of the invoked pip with that of this source
# distribution
dir = re.match(
r'pip \d(\.[\d])+(\.?(rc|dev|pre|post)\d+)? from (.*) '
r'\(python \d(.[\d])+\)$',
result.stdout
).group(4)
pip_folder = join(SRC_DIR, 'pip')
pip_folder_outputed = join(dir, 'pip')
diffs = filecmp.dircmp(pip_folder, pip_folder_outputed)
# If any non-matching .py files exist, we have a problem: run_pip
# is picking up some other version! N.B. if this project acquires
# primary resources other than .py files, this code will need
# maintenance
mismatch_py = [
x for x in diffs.left_only + diffs.right_only + diffs.diff_files
if x.endswith('.py')
]
assert not mismatch_py, (
'mismatched source files in %r and %r: %r' %
(pip_folder, pip_folder_outputed, mismatch_py)
)