X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/de11b4e658edf3ea876aaea3d3d681eaec13dcc4..ae3c7cc888444a66597e093ea0b1fd83f521f0a6:/pypol/tests/test_linexprs.py

diff --git a/pypol/tests/test_linexprs.py b/pypol/tests/test_linexprs.py
index 4c27b21..c55c842 100644
--- a/pypol/tests/test_linexprs.py
+++ b/pypol/tests/test_linexprs.py
@@ -19,8 +19,8 @@ class TestExpression(unittest.TestCase):
         self.expr = self.x - 2*self.y + 3
 
     def test_new(self):
-        self.assertIsInstance(self.x, Symbol)
-        self.assertIsInstance(self.pi, Rational)
+        self.assertIsInstance(Expression(coefficients={self.x: 1}), Symbol)
+        self.assertIsInstance(Expression(constant=self.pi), Rational)
         self.assertNotIsInstance(self.x + self.pi, Symbol)
         self.assertNotIsInstance(self.x + self.pi, Rational)
         xx = Expression({self.x: 2})
@@ -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)
@@ -242,6 +242,13 @@ class TestDummy(unittest.TestCase):
         self.assertNotEqual(self.x, Dummy('x'))
         self.assertNotEqual(Dummy(), Dummy())
 
+    def test_repr(self):
+        self.assertEqual(repr(self.x), '_x')
+        dummy1 = Dummy()
+        dummy2 = Dummy()
+        self.assertTrue(repr(dummy1).startswith('_Dummy_'))
+        self.assertNotEqual(repr(dummy1), repr(dummy2))
+
 
 class TestSymbols(unittest.TestCase):
 
@@ -250,9 +257,9 @@ 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):