1 files changed, 72 insertions, 0 deletions

diff --git a/day12/test_init.py b/day12/test_init.py
new file mode 100644
index 0000000..f6e78e1
--- /dev/null
+++ b/day12/test_init.py
@@ -0,0 +1,72 @@
+from day12 import Node, AssignmentOne, AssignmentTwo
+
+
+def test_calculate_all_paths_assignment_one():
+    start = Node(id='start')
+    end = Node(id='end')
+
+    start.nodes.add(end)
+    end.nodes.add(start)
+
+    assert AssignmentOne.calculate_all_paths(start, end) == [
+        [start, end]
+    ]
+
+    a = Node(id='a')
+    start.nodes = { a }
+    a.nodes = { start, end }
+    end.nodes = { end }
+
+    assert AssignmentOne.calculate_all_paths(start, end) == [
+        [start, a, end]
+    ]
+
+    b = Node(id='b')
+    start.nodes = { a, b }
+    b.nodes = { start, end }
+    a.nodes = { start, end }
+    end.nodes = { a, b }
+
+    assert sorted(AssignmentOne.calculate_all_paths(start, end)) == sorted([
+        [start, a, end],
+        [start, b, end]
+    ])
+
+    a.nodes.add(b)
+    b.nodes.add(a)
+
+    assert sorted(AssignmentOne.calculate_all_paths(start, end)) == sorted([
+        [start, a, end],
+        [start, a, b, end],
+        [start, b, end],
+        [start, b, a, end]
+    ])
+
+    a.big = True
+
+    assert sorted(AssignmentOne.calculate_all_paths(start, end)) == sorted([
+        [start, a, end],
+        [start, a, b, end],
+        [start, a, b, a, end],
+        [start, b, end],
+        [start, b, a, end],
+    ])
+
+
+def test_calculate_all_paths_assignment_two():
+    start = Node(id='start')
+    end = Node(id='end')
+
+    a = Node(id='a')
+    b = Node(id='b')
+
+    start.nodes.add(a)
+    a.nodes.add(b)
+    a.nodes.add(start)
+    b.nodes.add(a)
+    b.nodes.add(end)
+    end.nodes.add(b)
+
+    assert sorted(AssignmentTwo.calculate_all_paths(start, end)) == sorted([
+        [start, a, b, end]
+    ])