Elevator: tests and solutions

---

makePythonTdd Elevator

WSL/Linux/Mac

The code in makePythonTdd.sh from Elevator

#!/bin/bash
uv init elevator
cd elevator
mkdir tests
touch tests/__init__.py

echo "import unittest


class TestElevator(unittest.TestCase):

    def test_failure(self):
        self.assertFalse(True)


# Exceptions seen
# AssertionError
" > tests/test_elevator.py

echo "pytest" > requirements.txt
echo "pytest-watcher" >> requirements.txt
uv add --requirement requirements.txt
uv run pytest-watcher . --now

no WSL

The code in makePythonTdd.ps1 from Elevator

uv init elevator
cd elevator
mkdir tests
New-Item tests/__init__.py

"import unittest


class TestElevator(unittest.TestCase):

    def test_failure(self):
        self.assertFalse(True)


# Exceptions seen
# AssertionError
" | Out-File "tests/test_elevator.py" -Encoding UTF8

"pytest" | Out-File requirements.txt -Encoding UTF8
"pytest-watcher" >> requirements.txt
uv add --requirement requirements.txt
uv run pytest-watcher . --now

---

Elevator: tests

The code in elevator/tests/test_elevator.py from Elevator

---

Elevator: solution

The code in elevator/src/elevator/__init__.py from Elevator

elevator/src/elevator/__init__.py

def controller(
        number_pushed, doors_closed=False,
        above_weight=False, emergency=False,
    ):
    if (
        not (number_pushed and doors_closed)
        or above_weight
        or emergency
    ):
        return False
    return True