Implement 2019 day 1 with tests in Python

2019/tests/test_day01.py

@@ -0,0 +1,22 @@
+from aoc2019.day01 import fuel_required, recursive_fuel_required
+
+import pytest
+
+
+@pytest.mark.parametrize('weight,required', [
+    (12, 2),
+    (14, 2),
+    (1969, 654),
+    (100756, 33583)
+])
+def test_fuel_required(weight: int, required: int) -> None:
+    assert fuel_required(weight) == required
+
+
+@pytest.mark.parametrize('weight,required', [
+    (14, 2),
+    (1969, 966),
+    (100756, 50346)
+])
+def test_fuel_required_recursive(weight: int, required: int) -> None:
+    assert recursive_fuel_required(weight) == required