From 4a4d773df0dea3cea63023b8d01f380a0024e25a Mon Sep 17 00:00:00 2001 From: Vivien Maisonneuve Date: Thu, 19 Jun 2014 10:18:15 +0200 Subject: [PATCH] Working test suite --- tests/test_isl.py | 185 ------------------------------------------- tests/test_linear.py | 153 ++++++++++++++++++----------------- 2 files changed, 80 insertions(+), 258 deletions(-) diff --git a/tests/test_isl.py b/tests/test_isl.py index 7186dad..421b1be 100644 --- a/tests/test_isl.py +++ b/tests/test_isl.py @@ -12,188 +12,3 @@ class TestContext(unittest.TestCase): ctx1, ctx2 = Context(), Context() self.assertEqual(ctx1, ctx1) self.assertNotEqual(ctx1, ctx2) - - -class TestValue(unittest.TestCase): - - def setUp(self): - self.context = Context() - self.zero = Value(self.context) - self.nan = Value(self.context, 'NaN') - self.inf = Value(self.context, 'Inf') - self.neginf = Value(self.context, '-Inf') - self.answer = Value(self.context, 42) - self.pi = Value(self.context, 22, 7) - - def test_init(self): - self.assertEqual(Value(self.context, 42), self.answer) - self.assertEqual(Value(self.context, '42'), self.answer) - self.assertEqual(Value(self.context, 22, 7), self.pi) - self.assertEqual(Value(self.context, '-22/7'), -self.pi) - self.assertTrue(Value(self.context, 'nan').is_nan()) - self.assertTrue(Value(self.context, '-nan').is_nan()) - self.assertTrue(Value(self.context, 'NaN').is_nan()) - self.assertEqual(Value(self.context, '-inf'), self.neginf) - self.assertEqual(Value(self.context, '-Infinity'), self.neginf) - - def test_numerator(self): - self.assertEqual(self.zero.numerator, 0) - self.assertEqual(self.answer.numerator, 42) - self.assertEqual(self.pi.numerator, 22) - with self.assertRaises(ValueError): - self.nan.numerator - with self.assertRaises(ValueError): - self.inf.numerator - - def test_denominator(self): - self.assertEqual(self.zero.denominator, 1) - self.assertEqual(self.answer.denominator, 1) - self.assertEqual(self.pi.denominator, 7) - with self.assertRaises(ValueError): - self.nan.denominator - with self.assertRaises(ValueError): - self.inf.denominator - - def test_bool(self): - self.assertFalse(self.zero) - self.assertTrue(self.answer) - self.assertTrue(self.pi) - self.assertEqual(bool(self.nan), bool(float('nan'))) - self.assertEqual(bool(self.inf), bool(float('inf'))) - - def test_lt(self): - self.assertTrue(self.neginf < self.zero) - self.assertTrue(self.zero < self.pi) - self.assertTrue(self.pi < self.answer) - self.assertTrue(self.answer < self.inf) - self.assertFalse(self.nan < self.answer) - self.assertFalse(self.nan < self.inf) - self.assertFalse(self.nan < self.neginf) - self.assertTrue(self.neginf < self.inf) - - def test_le(self): - self.assertTrue(self.pi <= self.pi) - self.assertTrue(self.pi <= self.answer) - self.assertFalse(self.answer <= self.pi) - - def test_gt(self): - self.assertFalse(self.pi > self.pi) - self.assertTrue(self.answer > self.pi) - self.assertFalse(self.pi > self.answer) - - def test_ge(self): - self.assertTrue(self.pi >= self.pi) - self.assertTrue(self.answer >= self.pi) - self.assertFalse(self.pi >= self.answer) - - def test_eq(self): - self.assertEqual(self.pi, self.pi) - self.assertEqual(self.inf, self.inf) - self.assertNotEqual(self.neginf, self.inf) - self.assertNotEqual(self.nan, self.nan) - self.assertEqual(self.zero, 0) - self.assertEqual(0, self.zero) - self.assertEqual(self.pi, Fraction(22, 7)) - self.assertEqual(Fraction(22, 7), self.pi) - with self.assertRaises(TypeError): - self.zero == 0. - - def test_ne(self): - self.assertTrue(self.pi != self.answer) - self.assertFalse(self.pi != self.pi) - self.assertTrue(self.neginf != self.inf) - self.assertTrue(self.nan != self.nan) - - def test_abs(self): - self.assertEqual(abs(self.pi), self.pi) - self.assertEqual(abs(self.neginf), self.inf) - self.assertEqual(abs(-self.pi), self.pi) - self.assertTrue(abs(self.nan).is_nan()) - - def test_pos(self): - self.assertEqual(+self.pi, self.pi) - - def test_neg(self): - self.assertEqual(-self.neginf, self.inf) - self.assertEqual(-(-self.pi), self.pi) - - def test_floor(self): - self.assertEqual(floor(self.pi), Value(self.context, 3)) - self.assertEqual(floor(-self.pi), Value(self.context, -4)) - # not float behavior, but makes sense - self.assertEqual(floor(self.inf), self.inf) - self.assertTrue(floor(self.nan).is_nan()) - - def test_ceil(self): - self.assertEqual(ceil(self.pi), Value(self.context, 4)) - self.assertRaises(ceil(-self.pi) == Value(self.context, -3)) - - def test_trunc(self): - self.assertEqual(trunc(self.pi), Value(self.context, 3)) - self.assertEqual(trunc(-self.pi), Value(self.context, -3)) - - def test_add(self): - self.assertEqual(self.answer + self.answer, Value(self.context, 84)) - self.assertEqual(self.answer + self.pi, Value(self.context, 316, 7)) - self.assertEqual(self.pi + self.pi, Value(self.context, 44, 7)) - self.assertEqual(self.pi + self.neginf, self.neginf) - self.assertEqual(self.pi + self.inf, self.inf) - self.assertTrue((self.pi + self.nan).is_nan()) - self.assertTrue((self.inf + self.nan).is_nan()) - self.assertTrue((self.inf + self.neginf).is_nan()) - self.assertEqual(self.pi + 42, Value(self.context, 316, 7)) - self.assertEqual(42 + self.pi, Value(self.context, 316, 7)) - self.assertEqual(self.pi + Fraction(22, 7), Value(self.context, 44, 7)) - with self.assertRaises(TypeError): - self.pi + float(42) - - def test_sub(self): - self.assertEqual(self.answer - self.pi, Value(self.context, 272, 7)) - - def test_mul(self): - self.assertEqual(Value(self.context, 6) * Value(self.context, 7), self.answer) - self.assertNotEqual(Value(self.context, 6) * Value(self.context, 9), self.answer) - self.assertEqual(self.inf * Value(self.context, 2), self.inf) - self.assertEqual(self.inf * Value(self.context, -2), self.neginf) - self.assertTrue((self.nan * Value(self.context, 2)).is_nan()) - self.assertTrue((self.nan * self.inf).is_nan()) - - def test_div(self): - self.assertEqual(Value(self.context, 22) / Value(self.context, 7), self.pi) - self.assertEqual(self.pi / self.pi, Value(self.context, 1)) - # not float behavior, but makes sense - self.assertTrue((self.pi / self.zero).is_nan()) - - def test_float(self): - self.assertAlmostEqual(float(Value(self.context, 1, 2)), 0.5) - self.assertTrue(math.isnan(float(Value(self.context, 'NaN')))) - self.assertAlmostEqual(float(Value(self.context, 'Inf')), float('inf')) - - def test_is_finite(self): - self.assertTrue(self.pi.is_finite()) - self.assertFalse(self.inf.is_finite()) - self.assertFalse(self.nan.is_finite()) - - def test_is_infinite(self): - self.assertFalse(self.pi.is_infinite()) - self.assertTrue(self.inf.is_infinite()) - self.assertFalse(self.nan.is_infinite()) - - def test_is_nan(self): - self.assertFalse(self.pi.is_nan()) - self.assertFalse(self.inf.is_nan()) - self.assertTrue(self.nan.is_nan()) - - def test_str(self): - self.assertEqual(str(self.answer), '42') - self.assertEqual(str(self.pi), '22/7') - self.assertEqual(str(self.nan), 'NaN') - self.assertEqual(str(self.inf), 'Infinity') - self.assertEqual(str(self.neginf), '-Infinity') - - def test_repr(self): - self.assertEqual(repr(self.answer), "Value('42')") - self.assertEqual(repr(self.pi), "Value('22/7')") - self.assertEqual(repr(self.nan), "Value('NaN')") - self.assertEqual(repr(self.inf), "Value('Infinity')") - self.assertEqual(repr(self.neginf), "Value('-Infinity')") diff --git a/tests/test_linear.py b/tests/test_linear.py index 998a022..039ffc7 100644 --- a/tests/test_linear.py +++ b/tests/test_linear.py @@ -9,158 +9,167 @@ 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(5) - self.pi = constant(Fraction(22, 7)) - self.e = self.x - 2*self.y + 3 - - def test_new(self): - pass + self.x = Expression({'x': 1}) + self.y = Expression({'y': 1}) + self.z = Expression({'z': 1}) + self.zero = Expression(constant=0) + self.one = Expression(constant=1) + self.pi = Expression(constant=Fraction(22, 7)) + self.expr = self.x - 2*self.y + 3 + + def test_new_subclass(self): + self.assertIsInstance(self.x, Symbol) + self.assertIsInstance(self.pi, Constant) + self.assertNotIsInstance(self.x + self.pi, Symbol) + self.assertNotIsInstance(self.x + self.pi, Constant) + xx = Expression({'x': 2}) + self.assertNotIsInstance(xx, Symbol) + + def test_new_types(self): + with self.assertRaises(TypeError): + Expression('x + y', 2) + self.assertEqual(Expression({'x': 2}), Expression({self.x: 2})) + with self.assertRaises(TypeError): + Expression({0: 2}) + with self.assertRaises(TypeError): + Expression({'x': '2'}) + self.assertEqual(Expression(constant=1), Expression(constant=self.one)) + with self.assertRaises(TypeError): + Expression(constant='1') def test_symbols(self): - self.assertCountEqual(self.x.symbols(), ['x']) - self.assertCountEqual(self.pi.symbols(), []) - self.assertCountEqual(self.e.symbols(), ['x', 'y']) - + self.assertCountEqual(self.x.symbols, ['x']) + self.assertCountEqual(self.pi.symbols, []) + self.assertCountEqual(self.expr.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) + self.assertEqual(self.expr.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'), 3) + self.assertEqual(self.expr.coefficient('x'), 1) + self.assertEqual(self.expr.coefficient('y'), -2) + self.assertEqual(self.expr.coefficient(self.y), -2) + self.assertEqual(self.expr.coefficient('z'), 0) with self.assertRaises(TypeError): - self.e.coefficient(0) + self.expr.coefficient(0) with self.assertRaises(TypeError): - self.e.coefficient(self.e) + self.expr.coefficient(self.expr) 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'], 3) + self.assertEqual(self.expr['x'], 1) + self.assertEqual(self.expr['y'], -2) + self.assertEqual(self.expr[self.y], -2) + self.assertEqual(self.expr['z'], 0) with self.assertRaises(TypeError): - self.e[0] + self.expr[0] with self.assertRaises(TypeError): - self.e[self.e] + self.expr[self.expr] def test_coefficients(self): - self.assertCountEqual(self.e.coefficients(), [('x', 1), ('y', -2)]) + self.assertCountEqual(self.expr.coefficients(), [('x', 1), ('y', -2)]) def test_constant(self): - self.assertEqual(self.x.constant, 4) + self.assertEqual(self.x.constant, 0) self.assertEqual(self.pi.constant, Fraction(22, 7)) - self.assertEqual(self.e.constant, 3) + self.assertEqual(self.expr.constant, 3) def test_isconstant(self): self.assertFalse(self.x.isconstant()) self.assertTrue(self.pi.isconstant()) - self.assertFalse(self.e.isconstant()) + self.assertFalse(self.expr.isconstant()) def test_values(self): - self.assertCountEqual(self.e.values(), [1, -2, 3]) + self.assertCountEqual(self.expr.values(), [1, -2, 3]) def test_symbol(self): - self.assertEqual(self.x.symbol(), 'x') + self.assertEqual(self.x.symbol, 'x') with self.assertRaises(ValueError): - self.pi.symbol() + self.pi.symbol with self.assertRaises(ValueError): - self.e.symbol() + self.expr.symbol def test_issymbol(self): self.assertTrue(self.x.issymbol()) self.assertFalse(self.pi.issymbol()) - self.assertFalse(self.e.issymbol()) + self.assertFalse(self.expr.issymbol()) def test_bool(self): self.assertTrue(self.x) self.assertFalse(self.zero) self.assertTrue(self.pi) - self.assertTrue(self.e) + self.assertTrue(self.expr) def test_pos(self): - self.assertEqual(+self.e, self.e) + self.assertEqual(+self.expr, self.expr) def test_neg(self): - self.assertEqual(-self.e, -self.x + 2*self.y - 3) + self.assertEqual(-self.expr, -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) + self.assertEqual(self.expr + 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) + self.assertEqual(self.expr - 3, self.x - 2*self.y) self.assertEqual(0 - self.x, -self.x) 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) + self.assertEqual(self.expr * 0, 0) + self.assertEqual(0 * self.expr, 0) + self.assertEqual(self.expr * 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)) + self.expr / 0 + self.assertEqual(self.expr / 2, self.x / 2 - self.y + Fraction(3, 2)) def test_str(self): - self.assertEqual(str(Expression()), '5') + 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') + self.assertEqual(str(self.expr), 'x - 2*y + 3') def test_repr(self): - self.assertEqual(repr(self.e), "Expression({'x': 1, 'y': -2}, 3)") + self.assertEqual(repr(self.x), "Symbol('x')") + self.assertEqual(repr(self.one), 'Constant(1)') + self.assertEqual(repr(self.expr), "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) + self.assertEqual(Expression.fromstring('x - 2y + 3'), self.expr) + self.assertEqual(Expression.fromstring('x - (3-1)y + 3'), self.expr) + self.assertEqual(Expression.fromstring('x - 2*y + 3'), self.expr) def test_eq(self): - self.assertEqual(self.e, self.e) + self.assertEqual(self.expr, self.expr) 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(), + def test__toint(self): + self.assertEqual((self.x + self.y/2 + self.z/3)._toint(), 6*self.x + 3*self.y + 2*self.z) -class TestHelpers(unittest.TestCase): +class TestConstant(unittest.TestCase): - def setUp(self): - self.x = symbol('x') - self.y = symbol('y') + pass - 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(4) +class TestSymbol(unittest.TestCase): + + def setUp(self): + self.x = Symbol('x') + self.y = Symbol('y') def test_symbols(self): self.assertListEqual(list(symbols('x y')), [self.x, self.y]) @@ -176,5 +185,3 @@ class TestOperators(unittest.TestCase): class TestPolyhedron(unittest.TestCase): pass - - -- 2.20.1