43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
from flask_day_54.domain import first_class_functions
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from flask_day_54.domain.first_class_functions import (
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add,
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calculate,
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outer_function,
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returns_nested_function,
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subtract,
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)
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def test_add_returns_sum_of_two_numbers() -> None:
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assert add(2, 3) == 5
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def test_subtract_returns_difference_of_two_numbers() -> None:
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assert subtract(5, 3) == 2
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def test_calculate_applies_add_when_add_is_passed() -> None:
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assert calculate(2, 3, add) == 5
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def test_calculate_applies_subtract_when_subtract_is_passed() -> None:
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assert calculate(5, 3, subtract) == 2
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def test_calculate_applies_lambda_when_lambda_is_passed() -> None:
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assert calculate(4, 3, lambda n1, n2: n1 * n2) == 12
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def test_outer_function_returns_nested_function_result() -> None:
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assert outer_function() == "Hello from the nested function"
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def test_returned_nested_function_is_callable_independently() -> None:
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stored = returns_nested_function()
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assert stored() == "Hello from the nested function"
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def test_nested_function_is_not_a_module_attribute() -> None:
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assert not hasattr(first_class_functions, "nested_function")
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