def test_copy_to_and_from_volume(tmp_path, docker_cleanup):
volume = __name__
src = tmp_path / "src.txt"
dst = tmp_path / "dst.txt"
src.write_text("I exist")
docker.create_volume(volume)
docker.copy_to_volume(volume, src, "src.txt")
docker.copy_from_volume(volume, "src.txt", dst)
assert dst.read_text() == "I exist"
assert len(list(tmp_path.glob("dst.txt*.tmp"))) == 0
def test_copy_to_volume_dereference_symlinks(tmp_path, docker_cleanup):
volume = __name__
target = tmp_path / "target.txt"
target.write_text("target")
link = tmp_path / "link.txt"
link.symlink_to(target)
dst = tmp_path / "dst.txt"
docker.create_volume(volume)
docker.copy_to_volume(volume, link, "src.txt")
docker.copy_from_volume(volume, "src.txt", dst)
assert not dst.is_symlink()
assert dst.read_text() == "target"
def test_copy_from_volume_error(tmp_path, docker_cleanup, monkeypatch):
volume = __name__
src = tmp_path / "src.txt"
dst = tmp_path / "dst.txt"
src.write_text("I exist")
docker.create_volume(volume)
docker.copy_to_volume(volume, src, "src.txt")
def docker_error(*args, **kwards):
raise Exception("oh noes")
monkeypatch.setattr(docker, "docker", docker_error)
with pytest.raises(Exception):
docker.copy_from_volume(volume, "src.txt", dst)
assert not dst.exists()
assert len(list(tmp_path.glob("dst.txt*.tmp"))) == 0
def test_basic_volume_interaction(tmp_path, docker_cleanup):
files = [
"test1.txt", "test2.json", "subdir/test3.txt", "subdir/test4.json"
]
for name in files:
path = tmp_path / name
path.parent.mkdir(parents=True, exist_ok=True)
path.touch()
volume = "jobrunner-volume-test"
docker.create_volume(volume)
# Test no error is thrown if volume already exists
docker.create_volume(volume)
docker.copy_to_volume(volume, tmp_path, ".")
matches = docker.glob_volume_files(volume, ["*.txt", "*.json"])
assert matches == {"*.txt": ["test1.txt"], "*.json": ["test2.json"]}
matches = docker.glob_volume_files(volume, ["subdir/*"])
assert matches == {"subdir/*": ["subdir/test3.txt", "subdir/test4.json"]}
docker.delete_volume(volume)
# Test no error is thrown if volume is already deleted
docker.delete_volume(volume)
def create_volume(job, labels=None):
docker.create_volume(docker_volume_name(job))