1 files changed, 27 insertions, 0 deletions

diff --git a/day12/test_init.py b/day12/test_init.py
new file mode 100644
index 0000000..f721d56
--- /dev/null
+++ b/day12/test_init.py
@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+from day12 import Map
+
+
+class TestMap:
+    def test_neighbours(self):
+
+        map_input = ["".join([str(i) for i in range(8)]) for _ in range(5)]
+
+        map = Map(map=map_input)
+
+        assert set(map.neighbours(0, 0)) == {
+            (0, 1),
+            (1, 0),
+        }
+
+        assert set(map.neighbours(0, 4)) == {
+            (0, 3),
+            (1, 4),
+        }
+
+        assert set(map.neighbours(1, 1)) == {
+            (0, 1),
+            (1, 0),
+            (1, 2),
+            (2, 1),
+        }