day 2 - part 2

tests/aoc_2024/day2/test-data

@@ -0,0 +1,6 @@
+7 6 4 2 1
+1 2 7 8 9
+9 7 6 2 1
+1 3 2 4 5
+8 6 4 4 1
+1 3 6 7 9

tests/aoc_2024/day2/test-part1.py

@@ -0,0 +1,38 @@
+from pathlib import Path
+
+from aoc_2024.day2 import part1
+
+
+def test_report_with_decreasing_levels_less_than_3_is_safe():
+    report = [7, 6, 4, 2, 1]
+    assert part1.is_report_safe(report)
+
+
+def test_report_with_decreasing_levels_more_than_3_is_not_safe():
+    report = [9, 7, 6, 2, 1]
+    assert not part1.is_report_safe(report)
+
+
+def test_report_without_increasing_or_decreasing_levels_is_not_safe():
+    report = [8, 6, 4, 4, 1]
+    assert not part1.is_report_safe(report)
+
+
+def test_report_with_increasing_and_decreasing_levels_is_not_safe():
+    report = [1, 3, 2, 4, 5]
+    assert not part1.is_report_safe(report)
+
+
+def test_report_with_increasing_levels_less_than_3_is_safe():
+    report = [1, 3, 6, 7, 9]
+    assert part1.is_report_safe(report)
+
+
+def test_report_with_increasing_levels_more_than_3_is_not_safe():
+    report = [1, 2, 7, 8, 9]
+    assert not part1.is_report_safe(report)
+
+
+def test_read_records_file():
+    test_file = Path(__file__).parent / "test-data"
+    assert part1.main(test_file) == 2