hass-core/tests/util/test_yaml.py

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"""Test Home Assistant yaml loader."""
import io
import unittest
from homeassistant.util import yaml
class TestYaml(unittest.TestCase):
"""Test util.yaml loader."""
def test_simple_list(self):
"""Test simple list."""
conf = "config:\n - simple\n - list"
with io.StringIO(conf) as f:
doc = yaml.yaml.safe_load(f)
assert doc['config'] == ["simple", "list"]
def test_simple_dict(self):
"""Test simple dict."""
conf = "key: value"
with io.StringIO(conf) as f:
doc = yaml.yaml.safe_load(f)
assert doc['key'] == 'value'
def test_duplicate_key(self):
"""Test simple dict."""
conf = "key: thing1\nkey: thing2"
try:
with io.StringIO(conf) as f:
yaml.yaml.safe_load(f)
except Exception:
pass
else:
assert 0