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# Copyright (c) 2015 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from yaql.language import exceptions
import yaql.tests
class TestLegacyNewEngine(yaql.tests.TestCase):
def __init__(self, *args, **kwargs):
super(TestLegacyNewEngine, self).__init__(*args, **kwargs)
self.eval = self.legacy_eval_new_engine
def test_dict(self):
self.assertEqual(
{'a': 'b', 1: 2, None: None},
self.eval('dict(1 => 2, a => b, null => null)'))
self.assertEqual({}, self.eval('dict()'))
def test_list(self):
self.assertEqual([1, 2, 'a', None], self.eval('list(1, 2, a, null)'))
self.assertEqual([], self.eval('list()'))
self.assertEqual([1, 2], self.eval('[1, 2].select($).list()'))
def test_dict_get(self):
self.assertEqual(5, self.eval("get($, 'a b')", data={'a b': 5}))
self.assertEqual(5, self.eval("$.get('a b')", data={'a b': 5}))
def test_int(self):
self.assertEqual(5, self.eval("'5'.int()"))
self.assertEqual(5, self.eval('5.2.int()'))
self.assertEqual(0, self.eval('null.int()'))
def test_float(self):
self.assertAlmostEqual(5.1, self.eval("'5.1'.float()"))
self.assertAlmostEqual(5.0, self.eval('5.float()'))
self.assertAlmostEqual(5.1, self.eval("float('5.1')"))
self.assertAlmostEqual(5.0, self.eval("float(5)"))
self.assertEqual(0, self.eval('null.float()'))
def test_bool(self):
self.assertFalse(self.eval('null.bool()'))
self.assertFalse(self.eval("''.bool()"))
self.assertFalse(self.eval('0.bool()'))
self.assertFalse(self.eval('false.bool()'))
self.assertFalse(self.eval('[].bool()'))
self.assertFalse(self.eval('{}.bool()'))
self.assertTrue(self.eval("' '.bool()"))
self.assertTrue(self.eval('x.bool()'))
self.assertTrue(self.eval('1.bool()'))
self.assertTrue(self.eval('true.bool()'))
self.assertTrue(self.eval('[1].bool()'))
self.assertTrue(self.eval('{a=>b}.bool()'))
def test_filter(self):
self.assertEqual(2, self.eval("list(1,2,3)[1]"))
self.assertEqual(3, self.eval("list(1,2,3)[$]", data=2))
self.assertEqual([1, 3], self.eval("list(1,2,3)[$ != 2]"))
self.assertEqual([], self.eval("list()[$ > 0]"))
def test_sum(self):
self.assertEqual(6, self.eval('list(1,2,3).sum()'))
self.assertEqual(6, self.eval('sum(list(1,2,3))'))
def test_range(self):
self.assertEqual([2, 3, 4, 5], self.eval('range(2).take(4)'))
self.assertEqual([1, 2, 3], self.eval('range(1, 4)'))
self.assertEqual([2, 3, 4, 5], self.eval('2.range().take(4)'))
self.assertEqual([1, 2, 3], self.eval('1.range(4)'))
def test_take_while(self):
self.assertEqual([1, 2], self.eval('[1, 2, 3, 4].takeWhile($ < 3)'))
self.assertEqual([1, 2], self.eval('takeWhile([1, 2, 3, 4], $ < 3)'))
def test_switch(self):
expr = 'switch($, $ > 10 => 1, $ <= 10 => -1)'
self.assertEqual(1, self.eval(expr, data=15))
self.assertEqual(-1, self.eval(expr, data=5))
def test_as(self):
self.assertEqual(
[3, 6],
self.eval('[1, 2].as(sum($) => a).select($ * $a)'))
def test_distinct(self):
data = [1, 2, 3, 2, 4, 8]
self.assertEqual([1, 2, 3, 4, 8], self.eval('$.distinct()', data=data))
self.assertEqual([1, 2, 3, 4, 8], self.eval('distinct($)', data=data))
data = [{'a': 1}, {'b': 2}, {'a': 1}]
self.assertEqual(
[{'a': 1}, {'b': 2}],
self.eval('$.distinct()', data=data))
def test_keyword_dict_access(self):
data = {'A': 12, 'b c': 44, '__d': 99, '_e': 999}
self.assertEqual(12, self.eval('$.A', data=data))
self.assertEqual(999, self.eval('$._e', data=data))
self.assertRaises(exceptions.NoMatchingFunctionException,
self.eval, "$.'b c'", data=data)
self.assertRaises(exceptions.NoMatchingFunctionException,
self.eval, '$.123', data=data)
self.assertIsNone(self.eval('$.b', data=data))
self.assertRaises(exceptions.YaqlLexicalException,
self.eval, '$.__d', data=data)
def test_compare_not_comparable(self):
self.assertTrue(self.eval('asd != true'))
self.assertFalse(self.eval('asd = 0'))
class TestLegacy(TestLegacyNewEngine):
def __init__(self, *args, **kwargs):
super(TestLegacy, self).__init__(*args, **kwargs)
self.eval = self.legacy_eval
def test_tuples_func(self):
self.assertEqual((1, 2), self.eval('tuple(1, 2)'))
self.assertEqual((None,), self.eval('tuple(null)'))
self.assertEqual((), self.eval('tuple()'))
def test_tuples(self):
self.assertEqual((1, 2), self.eval('1 => 2'))
self.assertEqual((None, 'a b'), self.eval('null => "a b"'))
self.assertEqual((1, 2, 3), self.eval('1 => 2 => 3'))
self.assertEqual(((1, 2), 3), self.eval('(1 => 2) => 3'))
self.assertEqual((1, (2, 3)), self.eval('1 => (2 => 3)'))
def test_dicts_are_iterable(self):
data = {'a': 1, 'b': 2}
self.assertTrue(self.eval('a in $', data))
self.assertCountEqual('ab', self.eval('$.sum()', data))
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