[32.3] [Introduction to Python]

computer-science/32.3/examples/divide/.gitignore

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+/.venv
+/__pycache__

computer-science/32.3/examples/divide/divide.py

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+def divide(a_number, other_number):
+    return a_number / other_number

computer-science/32.3/examples/divide/test_divide.py

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+import pytest
+from divide import divide
+
+
+def test_divide_when_other_number_is_zero_raises_an_exception():
+    with pytest.raises(ZeroDivisionError, match="division by zero"):
+        divide(2, 0)

computer-science/32.3/examples/odd/.gitignore

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+/.venv
+/__pycache__

computer-science/32.3/examples/odd/is_odd.py

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+def is_odd(number):
+    return number % 2 != 0

computer-science/32.3/examples/odd/test_is_odd.py

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+from is_odd import is_odd
+
+
+def test_is_odd_when_number_is_odd_returns_true():
+    assert is_odd(3) is True
+
+
+def test_is_odd_when_number_is_even_returns_false():
+    assert is_odd(2) is False

computer-science/32.3/examples/pokemons/.gitignore

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+/.venv
+/__pycache__

computer-science/32.3/examples/pokemons/pokemon.py

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+import json
+
+
+def retrieve_pokemons_by_type(type, filepath):
+    with open(filepath) as file:
+        pokemons = json.load(file)["results"]
+        pokemons_by_type = [
+            pokemon for pokemon in pokemons if type in pokemon["type"]
+        ]
+        return pokemons_by_type

computer-science/32.3/examples/pokemons/test_pokemon.py

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+import json
+from unittest.mock import mock_open, patch
+from pokemon import retrieve_pokemons_by_type
+
+
+def test_retrieve_pokemons_by_type():
+    grass_type_pokemon = {
+        "national_number": "001",
+        "evolution": None,
+        "name": "Bulbasaur",
+        "type": ["Grass", "Poison"],
+        "total": 318,
+        "hp": 45,
+        "attack": 49,
+        "defense": 49,
+        "sp_atk": 65,
+        "sp_def": 65,
+        "speed": 45,
+    }
+    water_type_pokemon = {
+        "national_number": "007",
+        "evolution": None,
+        "name": "Squirtle",
+        "type": ["Water"],
+        "total": 314,
+        "hp": 44,
+        "attack": 48,
+        "defense": 65,
+        "sp_atk": 50,
+        "sp_def": 64,
+        "speed": 43,
+    }
+    pokemon_json_content = json.dumps(
+        {"results": [grass_type_pokemon, water_type_pokemon]})
+    with patch("builtins.open", mock_open(read_data=pokemon_json_content)):
+        assert retrieve_pokemons_by_type("Grass", "dummy") == [
+            grass_type_pokemon
+        ]