add test

tests/test_decomp.py

@@ -0,0 +1,24 @@
+from pyscipopt import Model, Decomposition, quicksum
+import pytest
+
+
+def test_consLabels():
+    m = Model()
+    a = m.addVar("C", lb = 0)
+    b = m.addVar("C", lb = 0)
+    c = m.addVar("M", lb = 0)
+    d = m.addVar("C", lb = 0)
+
+    cons_1 = m.addCons( a + b <= 5)
+    cons_2a = m.addCons( c**2 + d**2 <= 8)
+    cons_2b = m.addCons( c == d )
+    decomp = Decomposition()
+    decomp.setConsLabels({cons_1: 1, cons_2a: 2, cons_2b: 2})
+
+    m.addDecomposition(decomp)
+    o = m.addVar("C")
+    m.addCons( o <= a + b + c + d)
+    m.setObjective("o", "minimize")
+    m.optimize()
+
+test_consLabels()