0fb587727c
Co-authored-by: Martin Hjelmare <marhje52@gmail.com> Co-authored-by: Franck Nijhof <git@frenck.dev>
29 lines
901 B
Python
29 lines
901 B
Python
"""Test placeholders."""
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import pytest
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from homeassistant.helpers import placeholder
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from homeassistant.util.yaml import Placeholder
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def test_extract_placeholders():
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"""Test extracting placeholders from data."""
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assert placeholder.extract_placeholders(Placeholder("hello")) == {"hello"}
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assert placeholder.extract_placeholders(
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{"info": [1, Placeholder("hello"), 2, Placeholder("world")]}
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) == {"hello", "world"}
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def test_substitute():
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"""Test we can substitute."""
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assert placeholder.substitute(Placeholder("hello"), {"hello": 5}) == 5
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with pytest.raises(placeholder.UndefinedSubstitution):
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placeholder.substitute(Placeholder("hello"), {})
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assert (
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placeholder.substitute(
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{"info": [1, Placeholder("hello"), 2, Placeholder("world")]},
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{"hello": 5, "world": 10},
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)
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== {"info": [1, 5, 2, 10]}
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)
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