41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
# tests/test_state_cache.py
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from ocf.state_cache import StateCache
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class _FakeDescriptor:
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on_observation = None
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def test_index_device_tree_skips_device_level_entry_at_index_zero():
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tree = [
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{'href': '/device/0', 'rep': {'n': 'Dryer'}}, # device-level, skipped
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{'href': '/mode/vs/0', 'rep': {'x': 1}},
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{'href': '/power/vs/0', 'rep': {'y': 2}},
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]
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indexed = StateCache.index_device_tree(tree)
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assert indexed == {'/mode/vs/0': {'x': 1}, '/power/vs/0': {'y': 2}}
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assert '/device/0' not in indexed
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def test_index_device_tree_stub_entry_becomes_empty_dict():
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tree = [
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{'href': '/device/0', 'rep': {}},
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{'href': '/oven/vs/0'}, # no 'rep' key at all — a stub resource
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]
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indexed = StateCache.index_device_tree(tree)
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assert indexed == {'/oven/vs/0': {}}
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def test_index_device_tree_non_list_input_returns_empty():
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assert StateCache.index_device_tree({'not': 'a list'}) == {}
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assert StateCache.index_device_tree(None) == {}
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def test_apply_rep_reports_change_and_updates_cache():
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cache = StateCache(_FakeDescriptor())
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changed = cache.apply_rep('/mode/vs/0', {'x': 1}, source='poll')
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assert changed is True
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assert cache.get('/mode/vs/0') == {'x': 1}
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unchanged = cache.apply_rep('/mode/vs/0', {'x': 1}, source='poll')
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assert unchanged is False
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