def test_files_exists(monkeypatch):
with mock.patch("socket.gethostbyname", return_value="127.0.0.1"):
files = Files()
def always_true(_):
return True
def always_false(_):
return False
monkeypatch.setattr(files.redis, "exists", always_false)
assert files.exists("path") == False
monkeypatch.delattr(files.redis, "exists")
monkeypatch.setattr(files.redis, "exists", always_true)
assert files.exists("path") == True
def test_files_exists_bad_path(monkeypatch):
with mock.patch("socket.gethostbyname", return_value="127.0.0.1"):
files = Files()
error_message = "path argument must be a non empty string"
with pytest.raises(ValueError, match=error_message):
files.exists(None)
with pytest.raises(ValueError, match=error_message):
files.exists("")
with pytest.raises(ValueError, match=error_message):
files.exists({"a": 0})
with pytest.raises(ValueError, match=error_message):
files.exists([])