Improve tests involving iterators

diff --git a/pypol/tests/test_linexprs.py b/pypol/tests/test_linexprs.py
index 4c27b21..68cad74 100644 (file)
--- a/pypol/tests/test_linexprs.py
+++ b/pypol/tests/test_linexprs.py
@@ -59,7 +59,7 @@ class TestExpression(unittest.TestCase):
             self.expr[self.expr]
 
     def test_coefficients(self):
-        self.assertCountEqual(self.expr.coefficients(), [(self.x, 1), (self.y, -2)])
+        self.assertListEqual(list(self.expr.coefficients()), [(self.x, 1), (self.y, -2)])
 
     def test_constant(self):
         self.assertEqual(self.x.constant, 0)
@@ -67,9 +67,9 @@ class TestExpression(unittest.TestCase):
         self.assertEqual(self.expr.constant, 3)
 
     def test_symbols(self):
-        self.assertCountEqual(self.x.symbols, [self.x])
-        self.assertCountEqual(self.pi.symbols, [])
-        self.assertCountEqual(self.expr.symbols, [self.x, self.y])
+        self.assertTupleEqual(self.x.symbols, (self.x,))
+        self.assertTupleEqual(self.pi.symbols, ())
+        self.assertTupleEqual(self.expr.symbols, (self.x, self.y))
 
     def test_dimension(self):
         self.assertEqual(self.x.dimension, 1)
@@ -87,7 +87,7 @@ class TestExpression(unittest.TestCase):
         self.assertFalse(self.expr.issymbol())
 
     def test_values(self):
-        self.assertCountEqual(self.expr.values(), [1, -2, 3])
+        self.assertListEqual(list(self.expr.values()), [1, -2, 3])
 
     def test_bool(self):
         self.assertTrue(self.x)
@@ -250,9 +250,9 @@ class TestSymbols(unittest.TestCase):
         self.y = Symbol('y')
 
     def test(self):
-        self.assertListEqual(list(symbols('x y')), [self.x, self.y])
-        self.assertListEqual(list(symbols('x,y')), [self.x, self.y])
-        self.assertListEqual(list(symbols(['x', 'y'])), [self.x, self.y])
+        self.assertTupleEqual(symbols('x y'), (self.x, self.y))
+        self.assertTupleEqual(symbols('x,y'), (self.x, self.y))
+        self.assertTupleEqual(symbols(['x', 'y']), (self.x, self.y))
         with self.assertRaises(TypeError):
             symbols(1)
         with self.assertRaises(TypeError):

diff --git a/pypol/tests/test_polyhedra.py b/pypol/tests/test_polyhedra.py
index 7b8e033..689602b 100644 (file)
--- a/pypol/tests/test_polyhedra.py
+++ b/pypol/tests/test_polyhedra.py
@@ -13,7 +13,7 @@ class TestPolyhedron(unittest.TestCase):
         self.square = Polyhedron(inequalities=[x, 1 - x, y, 1 - y])
 
     def test_symbols(self):
-        self.assertCountEqual(self.square.symbols, symbols('x y'))
+        self.assertTupleEqual(self.square.symbols, symbols('x y'))
 
     def test_dimension(self):
         self.assertEqual(self.square.dimension, 2)