def test_ref_topic(hg_repo_with_content):
"""
Test trying to update to a topic
To skip this test (to avoid to install Mercurial and hg-evolve), one can
use the environment variable REPO2DOCKER_SKIP_HG_TESTS.
"""
upstream, node_id = hg_repo_with_content
node_id = subprocess.Popen(
["hg", "identify", "-i", "-r", "topic(test-topic)"] +
args_enabling_topic,
stdout=subprocess.PIPE,
cwd=upstream,
)
node_id = node_id.stdout.read().decode().strip()
with TemporaryDirectory() as clone_dir:
spec = {"repo": upstream, "ref": "test-topic"}
mercurial = Mercurial()
for _ in mercurial.fetch(spec, clone_dir):
pass
assert (Path(clone_dir) / "test").exists()
assert mercurial.content_id == node_id
def test_clone(hg_repo_with_content):
"""Test simple hg clone to a target dir"""
upstream, node_id = hg_repo_with_content
with TemporaryDirectory() as clone_dir:
spec = {"repo": upstream}
mercurial = Mercurial()
for _ in mercurial.fetch(spec, clone_dir):
pass
assert (Path(clone_dir) / "test").exists()
assert mercurial.content_id == node_id
def test_bad_ref(hg_repo_with_content):
"""
Test trying to update to a ref that doesn't exist
"""
upstream, node_id = hg_repo_with_content
with TemporaryDirectory() as clone_dir:
spec = {"repo": upstream, "ref": "does-not-exist"}
with pytest.raises(ValueError):
for _ in Mercurial().fetch(spec, clone_dir):
pass
def test_detect_mercurial(hg_repo_with_content, repo_with_content):
mercurial = Mercurial()
assert mercurial.detect("this-is-not-a-directory") is None
assert mercurial.detect(
"https://github.com/jupyterhub/repo2docker") is None
git_repo = repo_with_content[0]
assert mercurial.detect(git_repo) is None
hg_repo = hg_repo_with_content[0]
assert mercurial.detect(hg_repo) == {"repo": hg_repo, "ref": None}