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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.
import testtools
from testtools import matchers
from yaql.language import contexts
from yaql.language import specs
class TestContexts(testtools.TestCase):
def test_store_data(self):
context = contexts.Context()
context['key'] = 123
self.assertEqual(123, context['key'])
def test_name_normalization(self):
context = contexts.Context()
context['key'] = 123
self.assertEqual(123, context['$key'])
def test_empty_name(self):
context = contexts.Context()
context[''] = 123
self.assertEqual(123, context['$'])
self.assertEqual(123, context[''])
self.assertEqual(123, context['$1'])
def test_missing_key_access(self):
context = contexts.Context()
self.assertIsNone(context['key'])
def test_key_deletion(self):
context = contexts.Context()
context['key'] = 123
del context['key']
self.assertIsNone(context['key'])
def test_child_contexts(self):
context = contexts.Context()
context2 = context.create_child_context()
context['key'] = 123
self.assertEqual(123, context2['key'])
context2['key'] = 345
self.assertEqual(345, context2['key'])
del context2['key']
self.assertEqual(123, context2['key'])
def test_get_functions(self):
def f():
pass
def f_():
pass
def f__():
pass
def g():
pass
context = contexts.Context()
context2 = context.create_child_context()
context.register_function(f)
context.register_function(f_)
context.register_function(g, exclusive=True)
context2.register_function(f__)
functions, is_exclusive = context.get_functions('f')
self.assertFalse(is_exclusive)
self.assertIsInstance(functions, set)
self.assertThat(functions, testtools.matchers.HasLength(2))
self.assertThat(
functions, matchers.AllMatch(matchers.IsInstance(
specs.FunctionDefinition)))
functions, is_exclusive = context2.get_functions('g')
self.assertFalse(is_exclusive)
functions, is_exclusive = context2.get_functions('f')
self.assertFalse(is_exclusive)
self.assertThat(functions, testtools.matchers.HasLength(1))
def test_collect_functions(self):
def f():
pass
def f_():
pass
def f__():
pass
context = contexts.Context()
context2 = context.create_child_context()
context3 = context2.create_child_context()
context.register_function(f)
context.register_function(f_)
context3.register_function(f__)
functions = context3.collect_functions('f')
self.assertThat(functions, testtools.matchers.HasLength(2))
self.assertThat(functions[0], testtools.matchers.HasLength(1))
self.assertThat(functions[1], testtools.matchers.HasLength(2))
def test_function_in(self):
def f():
pass
def f_():
pass
def f__():
pass
context = contexts.Context()
context2 = context.create_child_context()
context3 = context2.create_child_context()
context.register_function(f)
context.register_function(f_)
context3.register_function(f__)
functions = context3.collect_functions('f')
self.assertNotIn(specs.get_function_definition(f__), context3)
self.assertIn(functions[0].pop(), context3)
self.assertNotIn(functions[1].pop(), context3)
def test_data(self):
context = contexts.Context()
context2 = context.create_child_context()
context['key'] = 123
context2['key2'] = 321
self.assertIn('key', context)
self.assertIn('key2', context2)
self.assertIn('$key', context)
self.assertNotIn('key2', context)
self.assertNotIn('key', context2)
def test_keys(self):
context = contexts.Context()
context2 = context.create_child_context()
context['key'] = 123
context2['key2'] = 321
keys = list(context2.keys())
self.assertThat(keys, testtools.matchers.HasLength(1))
self.assertEqual(keys[0], '$key2')
def test_delete_function(self):
def f():
pass
def f_():
pass
context = contexts.Context()
context.register_function(f)
context2 = context.create_child_context()
context2.register_function(f_)
functions, is_exclusive = context2.get_functions('f')
spec = functions.pop()
self.assertIn(spec, context2)
context2.delete_function(spec)
self.assertNotIn(spec, context2)
functions, is_exclusive = context.get_functions('f')
self.assertThat(functions, matchers.HasLength(1))
@staticmethod
def create_multi_context():
def f():
pass
def f_():
pass
def f__():
pass
def f___():
pass
context = contexts.Context()
context2 = context.create_child_context()
context3 = context2.create_child_context()
context4 = contexts.Context()
context5 = context4.create_child_context()
mc = contexts.MultiContext([context3, context5])
context.register_function(f)
context2.register_function(f___)
context4.register_function(f_)
context5.register_function(f__)
context3['key'] = 'context3'
context5['key'] = 'context5'
context4['key2'] = 'context4'
context['key3'] = 'context1'
mc['key4'] = 'mc'
return mc
def test_multi_context_data(self):
mc = self.create_multi_context()
self.assertEqual(mc['key'], 'context3')
self.assertEqual(mc['key2'], 'context4')
self.assertEqual(mc['key3'], 'context1')
def test_multi_context_data_in(self):
mc = self.create_multi_context()
self.assertIn('key', mc)
self.assertIn('key4', mc)
self.assertNotIn('key2', mc)
self.assertIn('key2', mc.parent)
self.assertNotIn('key3', mc.parent)
self.assertNotIn('key4', mc.parent)
self.assertIn('key3', mc.parent.parent)
self.assertIsNone(mc.parent.parent.parent)
def test_multi_context_keys(self):
mc = self.create_multi_context()
self.assertCountEqual(['$key4', '$key'], mc.keys())
self.assertCountEqual(['$key2'], mc.parent.keys())
self.assertCountEqual(['$key3'], mc.parent.parent.keys())
def test_multi_context_get_functions(self):
def f():
pass
mc = self.create_multi_context()
mc.register_function(f)
functions, is_exclusive = mc.get_functions('f')
self.assertFalse(is_exclusive)
self.assertThat(functions, matchers.HasLength(2))
functions, is_exclusive = mc.parent.get_functions('f')
self.assertFalse(is_exclusive)
self.assertThat(functions, matchers.HasLength(2))
functions, is_exclusive = mc.parent.parent.get_functions('f')
self.assertFalse(is_exclusive)
self.assertThat(functions, matchers.HasLength(1))
def test_multi_context_collect_functions(self):
def f():
pass
mc = self.create_multi_context()
mc.register_function(f)
levels = mc.collect_functions('f')
self.assertThat(levels, matchers.HasLength(3))
self.assertThat(levels[0], matchers.HasLength(2))
self.assertThat(levels[1], matchers.HasLength(2))
self.assertThat(levels[2], matchers.HasLength(1))
def test_multi_context_function_in(self):
mc = self.create_multi_context()
functions, is_exclusive = mc.get_functions('f')
for fd in functions:
self.assertIn(fd, mc)
def test_multi_context_delete_data(self):
mc = self.create_multi_context()
del mc['key']
self.assertNotIn('key', mc)
def test_multi_context_function_delete(self):
mc = self.create_multi_context()
functions, is_exclusive = mc.get_functions('f')
for fd in functions:
mc.delete_function(fd)
functions, is_exclusive = mc.get_functions('f')
self.assertThat(functions, matchers.HasLength(0))
@staticmethod
def create_linked_context():
def f():
pass
def g():
pass
def g_():
pass
def g__():
pass
context1 = contexts.Context()
context2 = contexts.Context()
context1.register_function(f)
context1.register_function(g)
context2.register_function(g_)
context1['key'] = 'context1'
context1['key1'] = 'context1'
context2['key'] = 'context2'
context2['key2'] = 'context2'
context3 = context2.create_child_context()
context3.register_function(g__)
context3['key'] = 'context3'
context2['key3'] = 'context3'
return contexts.LinkedContext(
parent_context=context1, linked_context=context3)
def test_linked_context_data(self):
mc = self.create_linked_context()
self.assertEqual(mc['key'], 'context3')
self.assertEqual(mc['key2'], 'context2')
self.assertEqual(mc['key3'], 'context3')
self.assertEqual(mc['key3'], 'context3')
self.assertEqual(mc.parent['key'], 'context2')
self.assertEqual(mc.parent.parent['key'], 'context1')
def test_linked_context_collect_functions(self):
mc = self.create_linked_context()
self.assertThat(mc.collect_functions('f'), matchers.HasLength(1))
levels = mc.collect_functions('g')
self.assertThat(levels, matchers.HasLength(3))
self.assertThat(levels[0], matchers.HasLength(1))
self.assertThat(levels[1], matchers.HasLength(1))
self.assertThat(levels[2], matchers.HasLength(1))
def test_linked_context_delete_data(self):
mc = self.create_linked_context()
self.assertIn('key', mc)
del mc['key']
self.assertNotIn('key', mc)
def test_linked_context_function_in(self):
mc = self.create_linked_context()
functions, is_exclusive = mc.get_functions('f')
for fd in functions:
self.assertIn(fd, mc)
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