Solve day 9

tests/oasis_test.py

@@ -0,0 +1,46 @@
+from advent_of_code.oasis import (
+    extrapolate_sequence,
+    parse_sequence,
+    solve_part_1,
+    solve_part_2,
+)
+
+
+def test_parse_sequencce():
+    assert parse_sequence("1 2 3") == (1, 2, 3)
+
+
+def test_extrapolate_sequence():
+    assert extrapolate_sequence((0, 3, 6, 9, 12, 15)) == 18
+    assert extrapolate_sequence((1, 3, 6, 10, 15, 21)) == 28
+    assert extrapolate_sequence((10, 13, 16, 21, 30, 45)) == 68
+
+
+def test_solve_part_1():
+    assert (
+        solve_part_1(
+            "\n".join(
+                [
+                    "0 3 6 9 12 15",
+                    "1 3 6 10 15 21",
+                    "10 13 16 21 30 45",
+                ]
+            )
+        )
+        == 114
+    )
+
+
+def test_solve_part_2():
+    assert (
+        solve_part_2(
+            "\n".join(
+                [
+                    "0 3 6 9 12 15",
+                    "1 3 6 10 15 21",
+                    "10 13 16 21 30 45",
+                ]
+            )
+        )
+        == 2
+    )