Add tests for knottheory

test/test_knottheory.py

@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+from .helper import evaluate, check_evaluation
+
+import pytest
+
+evaluate(
+    """
+    Needs["KnotTheory`"]
+    """
+)
+
+
+def test_knottheory():
+    evaluate(
+        """K = PD[X[1,9,2,8], X[3,10,4,11],
+                  X[5,3,6,2], X[7,1,8,12],
+                  X[9,4,10,5], X[11,7,12,6]]
+        """
+    )
+    for str_expr, str_expected in (
+        (r"Crossings[K]", "6"),
+        (
+            "ColouredJones[Knot[4, 1], 3][q]",
+            """3 + 1 / q ^ 12 - 1 / q ^ 11 - 1 / q ^ 10
+                 + 2 / q ^  8 - 2 / q ^ 6 + 3  / q ^ 4
+                 - 3 / q ^  2 - 3 q ^ 2 + 3 q ^ 4
+                 - 2   q ^  6 + 2 q ^ 8 - q ^ 10
+                 -     q ^ 11 +   q ^ 12""",
+        ),
+    ):
+        check_evaluation(str_expr, str_expected, to_string_expr=True)