Swap order of symbols and Dummy

[linpy.git] / pypol / tests / test_linexprs.py

diff --git a/pypol/tests/test_linexprs.py b/pypol/tests/test_linexprs.py
index 508c57b..4c27b21 100644 (file)
--- a/pypol/tests/test_linexprs.py
+++ b/pypol/tests/test_linexprs.py
@@ -225,11 +225,6 @@ class TestSymbol(unittest.TestCase):
         with self.assertRaises(TypeError):
             Symbol.fromsympy(sp_x*sp_x)
 
-    def test_symbols(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])
-
 
 class TestDummy(unittest.TestCase):
 
@@ -248,6 +243,22 @@ class TestDummy(unittest.TestCase):
         self.assertNotEqual(Dummy(), Dummy())
 
 
+class TestSymbols(unittest.TestCase):
+
+    def setUp(self):
+        self.x = Symbol('x')
+        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])
+        with self.assertRaises(TypeError):
+            symbols(1)
+        with self.assertRaises(TypeError):
+            symbols(['a', 1])
+
+
 class TestRational(unittest.TestCase):
 
     def setUp(self):