198 lines
5.9 KiB
Python
198 lines
5.9 KiB
Python
import math
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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 MathExpressionNode
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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] == 7.0
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assert result[1] == 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] == 7.0
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assert result[1] == 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] == 15.0
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assert result[1] == 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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assert result[1] == 2
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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] == 10.0
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assert result[1] == 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] == 6.0
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assert result[1] == 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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assert result[1] == 4
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def test_mixed_int_float_inputs(self):
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result = self._exec("a * b", a=1024, b=1.5)
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assert result[0] == 1536.0
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assert result[1] == 1536
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def test_mixed_resolution_scale(self):
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result = self._exec("a * b", a=512, b=0.75)
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assert result[0] == 384.0
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assert result[1] == 384
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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] == 6.0
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def test_sum_variadic(self):
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result = self._exec("sum(a, b, c)", a=1, b=2, c=3)
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assert result[0] == 6.0
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def test_min_values(self):
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result = self._exec("min(values)", a=5, b=2, c=8)
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assert result[0] == 2.0
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def test_max_values(self):
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result = self._exec("max(values)", a=5, b=2, c=8)
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assert result[0] == 8.0
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def test_abs_function(self):
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result = self._exec("abs(a)", a=-7)
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assert result[0] == 7.0
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assert result[1] == 7
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def test_sqrt(self):
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result = self._exec("sqrt(a)", a=16)
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assert result[0] == 4.0
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assert result[1] == 4
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def test_ceil(self):
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result = self._exec("ceil(a)", a=2.3)
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assert result[0] == 3.0
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assert result[1] == 3
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def test_floor(self):
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result = self._exec("floor(a)", a=2.7)
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assert result[0] == 2.0
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assert result[1] == 2
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def test_sin(self):
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result = self._exec("sin(a)", a=0)
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assert result[0] == 0.0
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def test_log10(self):
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result = self._exec("log10(a)", a=100)
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assert result[0] == 2.0
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assert result[1] == 2
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def test_float_output_type(self):
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result = self._exec("a + b", a=1, b=2)
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assert isinstance(result[0], float)
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def test_int_output_type(self):
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result = self._exec("a + b", a=1, b=2)
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assert isinstance(result[1], int)
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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("'hello'", a=42)
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def test_undefined_function_raises(self):
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with pytest.raises(Exception, match="not defined"):
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self._exec("str(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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def test_empty_expression_raises(self):
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with pytest.raises(ValueError, match="Expression cannot be empty"):
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self._exec("", a=1)
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def test_whitespace_only_expression_raises(self):
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with pytest.raises(ValueError, match="Expression cannot be empty"):
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self._exec(" ", a=1)
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# --- Missing function coverage (round, pow, log, log2, cos, tan) ---
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def test_round(self):
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result = self._exec("round(a)", a=2.7)
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assert result[0] == 3.0
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assert result[1] == 3
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def test_round_with_ndigits(self):
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result = self._exec("round(a, 2)", a=3.14159)
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assert result[0] == pytest.approx(3.14)
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def test_pow(self):
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result = self._exec("pow(a, b)", a=2, b=10)
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assert result[0] == 1024.0
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assert result[1] == 1024
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def test_log(self):
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result = self._exec("log(a)", a=math.e)
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assert result[0] == pytest.approx(1.0)
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def test_log2(self):
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result = self._exec("log2(a)", a=8)
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assert result[0] == pytest.approx(3.0)
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def test_cos(self):
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result = self._exec("cos(a)", a=0)
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assert result[0] == 1.0
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def test_tan(self):
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result = self._exec("tan(a)", a=0)
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assert result[0] == 0.0
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# --- int/float converter functions ---
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def test_int_converter(self):
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result = self._exec("int(a / b)", a=7, b=2)
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assert result[1] == 3
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def test_float_converter(self):
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result = self._exec("float(a)", a=5)
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assert result[0] == 5.0
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# --- Error path tests ---
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def test_division_by_zero_raises(self):
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with pytest.raises(ZeroDivisionError):
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self._exec("a / b", a=1, b=0)
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def test_sqrt_negative_raises(self):
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with pytest.raises(ValueError, match="math domain error"):
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self._exec("sqrt(a)", a=-1)
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def test_overflow_inf_raises(self):
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with pytest.raises(ValueError, match="non-finite result"):
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self._exec("a * b", a=1e308, b=10)
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def test_pow_huge_exponent_raises(self):
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with pytest.raises(ValueError, match="Exponent .* exceeds maximum"):
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self._exec("pow(a, b)", a=10, b=10000000)
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