def test_variables_dict(self):
stats = {'iops': 1000, 'usage': 0.65, 'count': 503, 'free_space': 407}
request = {'iops': 500, 'size': 4}
self.assertEqual(
1500,
evaluator.evaluate("stats.iops + request.iops",
stats=stats,
request=request))
def test_comparisons(self):
self.assertEqual(True, evaluate("1 < 2"))
self.assertEqual(True, evaluate("2 > 1"))
self.assertEqual(True, evaluate("2 != 1"))
self.assertEqual(False, evaluate("1 > 2"))
self.assertEqual(False, evaluate("2 < 1"))
self.assertEqual(False, evaluate("2 == 1"))
self.assertEqual(True, evaluate("(1 == 1) == !(1 == 2)"))
def test_comparisons(self):
self.assertEqual(True, evaluate("1 < 2"))
self.assertEqual(True, evaluate("2 > 1"))
self.assertEqual(True, evaluate("2 != 1"))
self.assertEqual(False, evaluate("1 > 2"))
self.assertEqual(False, evaluate("2 < 1"))
self.assertEqual(False, evaluate("2 == 1"))
self.assertEqual(True, evaluate("(1 == 1) == !(1 == 2)"))
def test_simple_integer(self):
self.assertEqual(2, evaluate("1+1"))
self.assertEqual(9, evaluate("2+3+4"))
self.assertEqual(23, evaluate("11+12"))
self.assertEqual(30, evaluate("5*6"))
self.assertEqual(2, evaluate("22/11"))
self.assertEqual(38, evaluate("109-71"))
self.assertEqual(493, evaluate("872 - 453 + 44 / 22 * 4 + 66"))
def test_comparisons(self):
self.assertTrue(evaluator.evaluate("1 < 2"))
self.assertTrue(evaluator.evaluate("2 > 1"))
self.assertTrue(evaluator.evaluate("2 != 1"))
self.assertFalse(evaluator.evaluate("1 > 2"))
self.assertFalse(evaluator.evaluate("2 < 1"))
self.assertFalse(evaluator.evaluate("2 == 1"))
self.assertTrue(evaluator.evaluate("(1 == 1) == !(1 == 2)"))
def test_simple_integer(self):
self.assertEqual(2, evaluate("1+1"))
self.assertEqual(9, evaluate("2+3+4"))
self.assertEqual(23, evaluate("11+12"))
self.assertEqual(30, evaluate("5*6"))
self.assertEqual(2, evaluate("22/11"))
self.assertEqual(38, evaluate("109-71"))
self.assertEqual(493, evaluate("872 - 453 + 44 / 22 * 4 + 66"))
def test_parentheses(self):
self.assertEqual(1, evaluator.evaluate("(1)"))
self.assertEqual(-1, evaluator.evaluate("(-1)"))
self.assertEqual(2, evaluator.evaluate("(1+1)"))
self.assertEqual(15, evaluator.evaluate("(1+2) * 5"))
self.assertEqual(3, evaluator.evaluate("(1+2)*(3-1)/((1+(2-1)))"))
self.assertEqual(-8.0, evaluator.evaluate("((1.0 / 0.5) * (2)) *(-2)"))
def test_parentheses(self):
self.assertEqual(1, evaluate("(1)"))
self.assertEqual(-1, evaluate("(-1)"))
self.assertEqual(2, evaluate("(1+1)"))
self.assertEqual(15, evaluate("(1+2) * 5"))
self.assertEqual(3, evaluate("(1+2)*(3-1)/((1+(2-1)))"))
self.assertEqual(-8.0, evaluate("((1.0 / 0.5) * (2)) *(-2)"))
def _run_evaluator(self, func, stats):
"""Evaluates a given function using the provided available stats."""
host_stats = stats['host_stats']
host_caps = stats['host_caps']
extra_specs = stats['extra_specs']
qos_specs = stats['qos_specs']
volume_stats = stats['volume_stats']
result = evaluator.evaluate(func,
extra=extra_specs,
stats=host_stats,
capabilities=host_caps,
volume=volume_stats,
qos=qos_specs)
return result
def _run_evaluator(self, func, stats):
"""Evaluates a given function using the provided available stats."""
host_stats = stats['host_stats']
host_caps = stats['host_caps']
extra_specs = stats['extra_specs']
qos_specs = stats['qos_specs']
volume_stats = stats['volume_stats']
result = evaluator.evaluate(
func,
extra=extra_specs,
stats=host_stats,
capabilities=host_caps,
volume=volume_stats,
qos=qos_specs)
return result
def test_logic_ops(self):
self.assertTrue(evaluator.evaluate("(1 == 1) AND (2 == 2)"))
self.assertTrue(evaluator.evaluate("(1 == 1) and (2 == 2)"))
self.assertTrue(evaluator.evaluate("(1 == 1) && (2 == 2)"))
self.assertFalse(evaluator.evaluate("(1 == 1) && (5 == 2)"))
self.assertTrue(evaluator.evaluate("(1 == 1) OR (5 == 2)"))
self.assertTrue(evaluator.evaluate("(1 == 1) or (5 == 2)"))
self.assertTrue(evaluator.evaluate("(1 == 1) || (5 == 2)"))
self.assertFalse(evaluator.evaluate("(5 == 1) || (5 == 2)"))
self.assertFalse(evaluator.evaluate("(1 == 1) AND NOT (2 == 2)"))
self.assertFalse(evaluator.evaluate("(1 == 1) AND not (2 == 2)"))
self.assertFalse(evaluator.evaluate("(1 == 1) AND !(2 == 2)"))
self.assertTrue(evaluator.evaluate("(1 == 1) AND NOT (5 == 2)"))
self.assertTrue(
evaluator.evaluate("(1 == 1) OR NOT (2 == 2) "
"AND (5 == 5)"))
def test_ternary_conditional(self):
self.assertEqual(5, evaluator.evaluate("(1 < 2) ? 5 : 10"))
self.assertEqual(10, evaluator.evaluate("(1 > 2) ? 5 : 10"))
def test_simple_float(self):
self.assertEqual(2.0, evaluate("1.0 + 1.0"))
self.assertEqual(2.5, evaluate("1.5 + 1.0"))
self.assertEqual(3.0, evaluate("1.5 * 2.0"))
def test_deep_function(self):
"""Ensures that maximum recursion depth is not exceeded."""
self.assertGreater(
evaluator.evaluate('(((1 + max(1 + (10 / 20), 2, 3)) / 100) + 1)'),
1)
def test_exponent(self):
self.assertEqual(8, evaluator.evaluate("2^3"))
self.assertEqual(-8, evaluator.evaluate("-2 ^ 3"))
self.assertEqual(15.625, evaluator.evaluate("2.5 ^ 3"))
self.assertEqual(8, evaluator.evaluate("4 ^ 1.5"))
def test_function(self):
self.assertEqual(5, evaluator.evaluate("abs(-5)"))
self.assertEqual(2, evaluator.evaluate("abs(2)"))
self.assertEqual(1, evaluator.evaluate("min(1, 100)"))
self.assertEqual(100, evaluator.evaluate("max(1, 100)"))
def test_int_float_mix(self):
self.assertEqual(2.5, evaluator.evaluate("1.5 + 1"))
self.assertEqual(4.25, evaluator.evaluate("8.5 / 2"))
self.assertEqual(5.25, evaluator.evaluate("10/4+0.75 + 2"))
def test_exponent(self):
self.assertEqual(8, evaluate("2^3"))
self.assertEqual(-8, evaluate("-2 ^ 3"))
self.assertEqual(15.625, evaluate("2.5 ^ 3"))
self.assertEqual(8, evaluate("4 ^ 1.5"))
def test_variables_dict(self):
stats = {'iops': 1000, 'usage': 0.65, 'count': 503, 'free_space': 407}
request = {'iops': 500, 'size': 4}
self.assertEqual(1500, evaluate("stats.iops + request.iops",
stats=stats, request=request))
def test_simple_float(self):
self.assertEqual(2.0, evaluator.evaluate("1.0 + 1.0"))
self.assertEqual(2.5, evaluator.evaluate("1.5 + 1.0"))
self.assertEqual(3.0, evaluator.evaluate("1.5 * 2.0"))
def test_ternary_conditional(self):
self.assertEqual(5, evaluate("(1 < 2) ? 5 : 10"))
self.assertEqual(10, evaluate("(1 > 2) ? 5 : 10"))
def test_int_float_mix(self):
self.assertEqual(2.5, evaluate("1.5 + 1"))
self.assertEqual(4.25, evaluate("8.5 / 2"))
self.assertEqual(5.25, evaluate("10/4+0.75 + 2"))
def test_negative_numbers(self):
self.assertEqual(-2, evaluate("-2"))
self.assertEqual(-1, evaluate("-2+1"))
self.assertEqual(3, evaluate("5+-2"))
def test_logic_ops(self):
self.assertEqual(True, evaluate("(1 == 1) AND (2 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) and (2 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) && (2 == 2)"))
self.assertEqual(False, evaluate("(1 == 1) && (5 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) OR (5 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) or (5 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) || (5 == 2)"))
self.assertEqual(False, evaluate("(5 == 1) || (5 == 2)"))
self.assertEqual(False, evaluate("(1 == 1) AND NOT (2 == 2)"))
self.assertEqual(False, evaluate("(1 == 1) AND not (2 == 2)"))
self.assertEqual(False, evaluate("(1 == 1) AND !(2 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) AND NOT (5 == 2)"))
self.assertEqual(True,
evaluate("(1 == 1) OR NOT (2 == 2) AND (5 == 5)"))
def test_negative_numbers(self):
self.assertEqual(-2, evaluator.evaluate("-2"))
self.assertEqual(-1, evaluator.evaluate("-2+1"))
self.assertEqual(3, evaluator.evaluate("5+-2"))
def test_logic_ops(self):
self.assertEqual(True, evaluate("(1 == 1) AND (2 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) and (2 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) && (2 == 2)"))
self.assertEqual(False, evaluate("(1 == 1) && (5 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) OR (5 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) or (5 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) || (5 == 2)"))
self.assertEqual(False, evaluate("(5 == 1) || (5 == 2)"))
self.assertEqual(False, evaluate("(1 == 1) AND NOT (2 == 2)"))
self.assertEqual(False, evaluate("(1 == 1) AND not (2 == 2)"))
self.assertEqual(False, evaluate("(1 == 1) AND !(2 == 2)"))
self.assertEqual(True, evaluate("(1 == 1) AND NOT (5 == 2)"))
self.assertEqual(True,
evaluate("(1 == 1) OR NOT (2 == 2) AND (5 == 5)"))
def test_function(self):
self.assertEqual(5, evaluate("abs(-5)"))
self.assertEqual(2, evaluate("abs(2)"))
self.assertEqual(1, evaluate("min(1, 100)"))
self.assertEqual(100, evaluate("max(1, 100)"))
