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245d3fd3d5
Add tests for _positional_alias (a-z mapping) and execute() covering arithmetic operations, float inputs, $sum(values), and error cases. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
import pytest
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from collections import OrderedDict
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from unittest.mock import patch, MagicMock
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mock_nodes = MagicMock()
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mock_nodes.MAX_RESOLUTION = 16384
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mock_server = MagicMock()
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with patch.dict("sys.modules", {"nodes": mock_nodes, "server": mock_server}):
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from comfy_extras.nodes_math import _positional_alias, MathExpressionNode
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class TestPositionalAlias:
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def test_first_letter(self):
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assert _positional_alias(0) == "a"
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def test_last_letter(self):
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assert _positional_alias(25) == "z"
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def test_all_letters(self):
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expected = list("abcdefghijklmnopqrstuvwxyz")
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result = [_positional_alias(i) for i in range(26)]
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assert result == expected
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class TestMathExpressionExecute:
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@staticmethod
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def _exec(expression: str, **kwargs) -> object:
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values = OrderedDict(kwargs)
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return MathExpressionNode.execute(expression, values)
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def test_addition(self):
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result = self._exec("a + b", a=3, b=4)
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assert result[0] == 7
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def test_subtraction(self):
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result = self._exec("a - b", a=10, b=3)
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assert result[0] == 7
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def test_multiplication(self):
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result = self._exec("a * b", a=3, b=5)
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assert result[0] == 15
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def test_division(self):
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result = self._exec("a / b", a=10, b=4)
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assert result[0] == 2.5
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def test_single_input(self):
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result = self._exec("a * 2", a=5)
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assert result[0] == 10
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def test_three_inputs(self):
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result = self._exec("a + b + c", a=1, b=2, c=3)
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assert result[0] == 6
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def test_float_inputs(self):
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result = self._exec("a + b", a=1.5, b=2.5)
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assert result[0] == 4.0
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def test_sum_values_array(self):
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result = self._exec("$sum(values)", a=1, b=2, c=3)
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assert result[0] == 6
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def test_non_numeric_result_raises(self):
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with pytest.raises(ValueError, match="must evaluate to a numeric result"):
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self._exec("$string(a)", a=42)
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def test_error_message_includes_expression(self):
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with pytest.raises(ValueError, match="'\\$string\\(a\\)'"):
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self._exec("$string(a)", a=42)
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def test_boolean_result_raises(self):
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with pytest.raises(ValueError, match="got bool"):
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self._exec("a > b", a=5, b=3)
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