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# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
import ast
import functools
import os
import subprocess
from test.lib import TestBase, VirtualEnvironment, with_rw_directory
class TestInstallation(TestBase):
@with_rw_directory
def test_installation(self, rw_dir):
venv, run = self._set_up_venv(rw_dir)
result = run([venv.pip, "install", "."])
self._check_result(result, "Can't install project")
result = run([venv.python, "-c", "import git"])
self._check_result(result, "Self-test failed")
result = run([venv.python, "-c", "import gitdb; import smmap"])
self._check_result(result, "Dependencies not installed")
# Even IF gitdb or any other dependency is supplied during development by
# inserting its location into PYTHONPATH or otherwise patched into sys.path,
# make sure it is not wrongly inserted as the *first* entry.
result = run([venv.python, "-c", "import sys; import git; print(sys.path)"])
syspath = result.stdout.splitlines()[0]
syspath = ast.literal_eval(syspath)
self.assertEqual(
"",
syspath[0],
msg="Failed to follow the conventions for https://docs.python.org/3/library/sys.html#sys.path",
)
@staticmethod
def _set_up_venv(rw_dir):
# Initialize the virtual environment.
venv = VirtualEnvironment(rw_dir, with_pip=True)
# Make its src directory a symlink to our own top-level source tree.
os.symlink(
os.path.dirname(os.path.dirname(__file__)),
venv.sources,
target_is_directory=True,
)
# Create a convenience function to run commands in it.
run = functools.partial(
subprocess.run,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
cwd=venv.sources,
env={**os.environ, "PYTHONWARNINGS": "error"},
)
return venv, run
def _check_result(self, result, failure_summary):
self.assertEqual(
0,
result.returncode,
msg=self._prepare_failure_message(result, failure_summary),
)
@staticmethod
def _prepare_failure_message(result, failure_summary):
stdout = result.stdout.rstrip()
stderr = result.stderr.rstrip()
return f"{failure_summary}\n\nstdout:\n{stdout}\n\nstderr:\n{stderr}"
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