Split linear.py and add domains

[linpy.git] / tests / test_linear.py

diff --git a/tests/test_linear.py b/tests/test_linear.py
deleted file mode 100644 (file)
index 4636275..0000000
--- a/tests/test_linear.py
+++ /dev/null
@@ -1,177 +0,0 @@
-
-import unittest
-
-from fractions import Fraction
-
-from pypol.linear import *
-
-
-class TestExpression(unittest.TestCase):
-
-    def setUp(self):
-        self.x = symbol('x')
-        self.y = symbol('y')
-        self.z = symbol('z')
-        self.zero = constant(0)
-        self.pi = constant(Fraction(22, 7))
-        self.e = self.x - 2*self.y + 3
-
-    def test_new(self):
-        pass
-
-    def test_symbols(self):
-        self.assertCountEqual(self.x.symbols(), ['x'])
-        self.assertCountEqual(self.pi.symbols(), [])
-        self.assertCountEqual(self.e.symbols(), ['x', 'y'])
-
-    def test_dimension(self):
-        self.assertEqual(self.x.dimension, 1)
-        self.assertEqual(self.pi.dimension, 0)
-        self.assertEqual(self.e.dimension, 2)
-
-    def test_coefficient(self):
-        self.assertEqual(self.e.coefficient('x'), 1)
-        self.assertEqual(self.e.coefficient('y'), -2)
-        self.assertEqual(self.e.coefficient(self.y), -2)
-        self.assertEqual(self.e.coefficient('z'), 0)
-        with self.assertRaises(TypeError):
-            self.e.coefficient(0)
-        with self.assertRaises(TypeError):
-            self.e.coefficient(self.e)
-
-    def test_getitem(self):
-        self.assertEqual(self.e['x'], 1)
-        self.assertEqual(self.e['y'], -2)
-        self.assertEqual(self.e[self.y], -2)
-        self.assertEqual(self.e['z'], 0)
-        with self.assertRaises(TypeError):
-            self.e[0]
-        with self.assertRaises(TypeError):
-            self.e[self.e]
-
-    def test_coefficients(self):
-        self.assertCountEqual(self.e.coefficients(), [('x', 1), ('y', -2)])
-
-    def test_constant(self):
-        self.assertEqual(self.x.constant, 0)
-        self.assertEqual(self.pi.constant, Fraction(22, 7))
-        self.assertEqual(self.e.constant, 3)
-
-    def test_isconstant(self):
-        self.assertFalse(self.x.isconstant())
-        self.assertTrue(self.pi.isconstant())
-        self.assertFalse(self.e.isconstant())
-
-    def test_values(self):
-        self.assertCountEqual(self.e.values(), [1, -2, 3])
-
-    def test_symbol(self):
-        self.assertEqual(self.x.symbol(), 'x')
-        with self.assertRaises(ValueError):
-            self.pi.symbol()
-        with self.assertRaises(ValueError):
-            self.e.symbol()
-
-    def test_issymbol(self):
-        self.assertTrue(self.x.issymbol())
-        self.assertFalse(self.pi.issymbol())
-        self.assertFalse(self.e.issymbol())
-
-    def test_bool(self):
-        self.assertTrue(self.x)
-        self.assertFalse(self.zero)
-        self.assertTrue(self.pi)
-        self.assertTrue(self.e)
-
-    def test_pos(self):
-        self.assertEqual(+self.e, self.e)
-
-    def test_neg(self):
-        self.assertEqual(-self.e, -self.x + 2*self.y - 3)
-
-    def test_add(self):
-        self.assertEqual(self.x + Fraction(22, 7), self.x + self.pi)
-        self.assertEqual(Fraction(22, 7) + self.x, self.x + self.pi)
-        self.assertEqual(self.x + self.x, 2 * self.x)
-        self.assertEqual(self.e + 2*self.y, self.x + 3)
-
-    def test_sub(self):
-        self.assertEqual(self.x - self.x, 0)
-        self.assertEqual(self.e - 3, self.x - 2*self.y)
-
-    def test_mul(self):
-        self.assertEqual(self.pi * 7, 22)
-        self.assertEqual(self.e * 0, 0)
-        self.assertEqual(self.e * 2, 2*self.x - 4*self.y + 6)
-
-    def test_div(self):
-        with self.assertRaises(ZeroDivisionError):
-            self.e / 0
-        self.assertEqual(self.e / 2, self.x / 2 - self.y + Fraction(3, 2))
-
-    def test_str(self):
-        self.assertEqual(str(Expression()), '0')
-        self.assertEqual(str(self.x), 'x')
-        self.assertEqual(str(-self.x), '-x')
-        self.assertEqual(str(self.pi), '22/7')
-        self.assertEqual(str(self.e), 'x - 2*y + 3')
-
-    def test_repr(self):
-        self.assertEqual(repr(self.e), "Expression({'x': 1, 'y': -2}, 3)")
-
-    @unittest.expectedFailure
-    def test_fromstring(self):
-        self.assertEqual(Expression.fromstring('x'), self.x)
-        self.assertEqual(Expression.fromstring('-x'), -self.x)
-        self.assertEqual(Expression.fromstring('22/7'), self.pi)
-        self.assertEqual(Expression.fromstring('x - 2y + 3'), self.e)
-        self.assertEqual(Expression.fromstring('x - (3-1)y + 3'), self.e)
-        self.assertEqual(Expression.fromstring('x - 2*y + 3'), self.e)
-
-    def test_eq(self):
-        self.assertEqual(self.e, self.e)
-        self.assertNotEqual(self.x, self.y)
-        self.assertEqual(self.zero, 0)
-
-    def test_canonify(self):
-        self.assertEqual((self.x + self.y/2 + self.z/3)._canonify(),
-                6*self.x + 3*self.y + 2*self.z)
-
-
-class TestHelpers(unittest.TestCase):
-
-    def setUp(self):
-        self.x = symbol('x')
-        self.y = symbol('y')
-
-    def test_constant(self):
-        self.assertEqual(constant(3), 3)
-        self.assertEqual(constant('3'), 3)
-        self.assertEqual(constant(Fraction(3, 4)), Fraction(3, 4))
-        self.assertEqual(constant('3/4'), Fraction(3, 4))
-        with self.assertRaises(ValueError):
-            constant('a')
-        with self.assertRaises(TypeError):
-            constant([])
-
-    def test_symbol(self):
-        self.assertEqual(symbol('x'), self.x)
-        self.assertNotEqual(symbol('y'), self.x)
-        with self.assertRaises(TypeError):
-            symbol(0)
-
-    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 TestOperators(unittest.TestCase):
-
-    pass
-
-
-class TestPolyhedron(unittest.TestCase):
-
-    pass
-