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pip/tests/functional/test_vcs_git.py

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6.4 KiB
Python

"""
Contains functional tests of the Git class.
"""
import os
import pytest
from pip._internal.vcs.git import Git, RemoteNotFoundError
from tests.lib import _create_test_package, _git_commit, _test_path_to_file_url
def get_head_sha(script, dest):
"""Return the HEAD sha."""
result = script.run('git', 'rev-parse', 'HEAD', cwd=dest)
sha = result.stdout.strip()
return sha
def checkout_ref(script, repo_dir, ref):
script.run('git', 'checkout', ref, cwd=repo_dir)
def checkout_new_branch(script, repo_dir, branch):
script.run(
'git', 'checkout', '-b', branch, cwd=repo_dir,
)
def do_commit(script, dest):
_git_commit(script, dest, message='test commit', args=['--allow-empty'])
return get_head_sha(script, dest)
def add_commits(script, dest, count):
"""Return a list of the commit hashes from oldest to newest."""
shas = []
for index in range(count):
sha = do_commit(script, dest)
shas.append(sha)
return shas
def check_rev(repo_dir, rev, expected):
assert Git.get_revision_sha(repo_dir, rev) == expected
def test_git_dir_ignored(tmpdir):
"""
Test that a GIT_DIR environment variable is ignored.
"""
repo_path = tmpdir / 'test-repo'
repo_path.mkdir()
repo_dir = str(repo_path)
env = {'GIT_DIR': 'foo'}
# If GIT_DIR is not ignored, then os.listdir() will return ['foo'].
Git.run_command(['init', repo_dir], cwd=repo_dir, extra_environ=env)
assert os.listdir(repo_dir) == ['.git']
def test_git_work_tree_ignored(tmpdir):
"""
Test that a GIT_WORK_TREE environment variable is ignored.
"""
repo_path = tmpdir / 'test-repo'
repo_path.mkdir()
repo_dir = str(repo_path)
Git.run_command(['init', repo_dir], cwd=repo_dir)
# Choose a directory relative to the cwd that does not exist.
# If GIT_WORK_TREE is not ignored, then the command will error out
# with: "fatal: This operation must be run in a work tree".
env = {'GIT_WORK_TREE': 'foo'}
Git.run_command(['status', repo_dir], extra_environ=env, cwd=repo_dir)
def test_get_remote_url(script, tmpdir):
source_dir = tmpdir / 'source'
source_dir.mkdir()
source_url = _test_path_to_file_url(source_dir)
source_dir = str(source_dir)
script.run('git', 'init', cwd=source_dir)
do_commit(script, source_dir)
repo_dir = str(tmpdir / 'repo')
script.run('git', 'clone', source_url, repo_dir)
remote_url = Git.get_remote_url(repo_dir)
assert remote_url == source_url
def test_get_remote_url__no_remote(script, tmpdir):
"""
Test a repo with no remote.
"""
repo_dir = tmpdir / 'temp-repo'
repo_dir.mkdir()
repo_dir = str(repo_dir)
script.run('git', 'init', cwd=repo_dir)
with pytest.raises(RemoteNotFoundError):
Git.get_remote_url(repo_dir)
def test_get_current_branch(script):
repo_dir = str(script.scratch_path)
script.run('git', 'init', cwd=repo_dir)
sha = do_commit(script, repo_dir)
assert Git.get_current_branch(repo_dir) == 'master'
# Switch to a branch with the same SHA as "master" but whose name
# is alphabetically after.
checkout_new_branch(script, repo_dir, 'release')
assert Git.get_current_branch(repo_dir) == 'release'
# Also test the detached HEAD case.
checkout_ref(script, repo_dir, sha)
assert Git.get_current_branch(repo_dir) is None
def test_get_current_branch__branch_and_tag_same_name(script, tmpdir):
"""
Check calling get_current_branch() from a branch or tag when the branch
and tag have the same name.
"""
repo_dir = str(tmpdir)
script.run('git', 'init', cwd=repo_dir)
do_commit(script, repo_dir)
checkout_new_branch(script, repo_dir, 'dev')
# Create a tag with the same name as the branch.
script.run('git', 'tag', 'dev', cwd=repo_dir)
assert Git.get_current_branch(repo_dir) == 'dev'
# Now try with the tag checked out.
checkout_ref(script, repo_dir, 'refs/tags/dev')
assert Git.get_current_branch(repo_dir) is None
def test_get_revision_sha(script):
repo_dir = str(script.scratch_path)
script.run('git', 'init', cwd=repo_dir)
shas = add_commits(script, repo_dir, count=3)
tag_sha = shas[0]
origin_sha = shas[1]
head_sha = shas[2]
assert head_sha == shas[-1]
origin_ref = 'refs/remotes/origin/origin-branch'
generic_ref = 'refs/generic-ref'
script.run(
'git', 'branch', 'local-branch', head_sha, cwd=repo_dir
)
script.run('git', 'tag', 'v1.0', tag_sha, cwd=repo_dir)
script.run('git', 'update-ref', origin_ref, origin_sha, cwd=repo_dir)
script.run(
'git', 'update-ref', 'refs/remotes/upstream/upstream-branch',
head_sha, cwd=repo_dir
)
script.run('git', 'update-ref', generic_ref, head_sha, cwd=repo_dir)
# Test two tags pointing to the same sha.
script.run('git', 'tag', 'v2.0', tag_sha, cwd=repo_dir)
# Test tags sharing the same suffix as another tag, both before and
# after the suffix alphabetically.
script.run('git', 'tag', 'aaa/v1.0', head_sha, cwd=repo_dir)
script.run('git', 'tag', 'zzz/v1.0', head_sha, cwd=repo_dir)
check_rev(repo_dir, 'v1.0', (tag_sha, False))
check_rev(repo_dir, 'v2.0', (tag_sha, False))
check_rev(repo_dir, 'origin-branch', (origin_sha, True))
ignored_names = [
# Local branches should be ignored.
'local-branch',
# Non-origin remote branches should be ignored.
'upstream-branch',
# Generic refs should be ignored.
'generic-ref',
# Fully spelled-out refs should be ignored.
origin_ref,
generic_ref,
# Test passing a valid commit hash.
tag_sha,
# Test passing a non-existent name.
'does-not-exist',
]
for name in ignored_names:
check_rev(repo_dir, name, (None, False))
def test_is_commit_id_equal(script):
"""
Test Git.is_commit_id_equal().
"""
version_pkg_path = _create_test_package(script)
script.run('git', 'branch', 'branch0.1', cwd=version_pkg_path)
commit = script.run(
'git', 'rev-parse', 'HEAD',
cwd=version_pkg_path
).stdout.strip()
assert Git.is_commit_id_equal(version_pkg_path, commit)
assert not Git.is_commit_id_equal(version_pkg_path, commit[:7])
assert not Git.is_commit_id_equal(version_pkg_path, 'branch0.1')
assert not Git.is_commit_id_equal(version_pkg_path, 'abc123')
# Also check passing a None value.
assert not Git.is_commit_id_equal(version_pkg_path, None)