test for fusion_with_interleaving strategy

Author: enadeau

tests/strategies/equivalence_strategies/test_fusion_with_interleaving.py

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+import pytest
+
+from permuta import Perm
+from tilescopethree.strategies import fusion_with_interleaving
+from tilings import Obstruction, Tiling
+
+
+@pytest.fixture
+def tiling1():
+    t = Tiling(obstructions=[
+        Obstruction(Perm((1, 0)), ((0, 1), (1, 1))),
+        Obstruction(Perm((1, 0)), ((0, 1), (0, 1))),
+        Obstruction(Perm((1, 0)), ((0, 1), (1, 0))),
+        Obstruction(Perm((1, 0)), ((0, 1), (0, 0))),
+        Obstruction(Perm((1, 0)), ((0, 0), (0, 0))),
+        Obstruction(Perm((1, 0)), ((0, 0), (1, 0))),
+        Obstruction(Perm((1, 0)), ((1, 0), (1, 0))),
+        Obstruction(Perm((1, 0)), ((1, 1), (1, 0))),
+        Obstruction(Perm((1, 0)), ((1, 1), (1, 1)))
+    ])
+    return t
+
+
+@pytest.fixture
+def tiling2():
+    t = Tiling(obstructions=[
+        Obstruction(Perm((0, 1)), ((0, 0), (1, 0))),
+        Obstruction(Perm((0, 2, 1)), ((0, 0), (0, 0), (0, 0))),
+        Obstruction(Perm((0, 2, 1)), ((1, 0), (1, 0), (1, 0))),
+        Obstruction(Perm((0, 2, 1, 3)), ((0, 0), (0, 0), (2, 0), (2, 0))),
+        Obstruction(Perm((0, 2, 1, 3)), ((0, 0), (2, 0), (2, 0), (2, 0))),
+        Obstruction(Perm((0, 2, 1, 3)), ((1, 0), (1, 0), (2, 0), (2, 0))),
+        Obstruction(Perm((0, 2, 1, 3)), ((1, 0), (2, 0), (2, 0), (2, 0))),
+        Obstruction(Perm((0, 2, 1, 3)), ((2, 0), (2, 0), (2, 0), (2, 0)))
+    ])
+    return t
+
+
+def test_fusion_with_interleaving(tiling1, tiling2):
+    assert len(list(fusion_with_interleaving(tiling1))) == 0
+    assert len(list(fusion_with_interleaving(tiling2))) == 1