salt/tests/unit/utils/serializers_test.py
2014-05-30 10:14:47 -06:00

324 lines
9.9 KiB
Python

# -*- coding: utf-8 -*-
# Import Salt Testing libs
from salttesting import skipIf, TestCase
from salttesting.helpers import ensure_in_syspath
ensure_in_syspath('../../')
# Import Python libs
from textwrap import dedent
# Import 3rd party libs
import jinja2
# Import salt libs
from salt.utils.serializers import json, yamlex, yaml, msgpack
from salt.utils.serializers import SerializationError
from salt.utils.odict import OrderedDict
SKIP_MESSAGE = '%s is unavailable, do prerequisites have been met?'
class TestSerializers(TestCase):
@skipIf(not json.available, SKIP_MESSAGE % 'json')
def test_serialize_json(self):
data = {
"foo": "bar"
}
serialized = json.serialize(data)
assert serialized == '{"foo": "bar"}', serialized
deserialized = json.deserialize(serialized)
assert deserialized == data, deserialized
@skipIf(not yaml.available, SKIP_MESSAGE % 'yaml')
def test_serialize_yaml(self):
data = {
"foo": "bar"
}
serialized = yaml.serialize(data)
assert serialized == '{foo: bar}', serialized
deserialized = yaml.deserialize(serialized)
assert deserialized == data, deserialized
@skipIf(not yaml.available, SKIP_MESSAGE % 'sls')
def test_serialize_sls(self):
data = {
"foo": "bar"
}
serialized = yamlex.serialize(data)
assert serialized == '{foo: bar}', serialized
deserialized = yamlex.deserialize(serialized)
assert deserialized == data, deserialized
@skipIf(not yamlex.available, SKIP_MESSAGE % 'sls')
def test_serialize_complex_sls(self):
data = OrderedDict([
("foo", 1),
("bar", 2),
("baz", True),
])
serialized = yamlex.serialize(data)
assert serialized == '{foo: 1, bar: 2, baz: true}', serialized
deserialized = yamlex.deserialize(serialized)
assert deserialized == data, deserialized
@skipIf(not yaml.available, SKIP_MESSAGE % 'yaml')
@skipIf(not yamlex.available, SKIP_MESSAGE % 'sls')
def test_compare_sls_vs_yaml(self):
src = '{foo: 1, bar: 2, baz: {qux: true}}'
sls_data = yamlex.deserialize(src)
yml_data = yaml.deserialize(src)
# ensure that sls & yaml have the same base
assert isinstance(sls_data, dict)
assert isinstance(yml_data, dict)
assert sls_data == yml_data
# ensure that sls is ordered, while yaml not
assert isinstance(sls_data, OrderedDict)
assert not isinstance(yml_data, OrderedDict)
@skipIf(not yaml.available, SKIP_MESSAGE % 'yaml')
@skipIf(not yamlex.available, SKIP_MESSAGE % 'sls')
def test_compare_sls_vs_yaml_with_jinja(self):
tpl = '{{ data }}'
env = jinja2.Environment()
src = '{foo: 1, bar: 2, baz: {qux: true}}'
sls_src = env.from_string(tpl).render(data=yamlex.deserialize(src))
yml_src = env.from_string(tpl).render(data=yaml.deserialize(src))
sls_data = yamlex.deserialize(sls_src)
yml_data = yaml.deserialize(yml_src)
# ensure that sls & yaml have the same base
assert isinstance(sls_data, dict)
assert isinstance(yml_data, dict)
assert sls_data == yml_data
# ensure that sls is ordered, while yaml not
assert isinstance(sls_data, OrderedDict)
assert not isinstance(yml_data, OrderedDict)
# prove that yaml does not handle well with OrderedDict
# while sls is jinja friendly.
obj = OrderedDict([
('foo', 1),
('bar', 2),
('baz', {'qux': True})
])
sls_obj = yamlex.deserialize(yamlex.serialize(obj))
try:
yml_obj = yaml.deserialize(yaml.serialize(obj))
except SerializationError:
# BLAAM! yaml was unable to serialize OrderedDict,
# but it's not the purpose of the current test.
yml_obj = obj.copy()
sls_src = env.from_string(tpl).render(data=sls_obj)
yml_src = env.from_string(tpl).render(data=yml_obj)
final_obj = yaml.deserialize(sls_src)
assert obj == final_obj
# BLAAM! yml_src is not valid !
final_obj = yaml.deserialize(yml_src)
assert obj != final_obj
@skipIf(not yamlex.available, SKIP_MESSAGE % 'sls')
def test_sls_aggregate(self):
src = dedent("""
a: lol
foo: !aggregate hello
bar: !aggregate [1, 2, 3]
baz: !aggregate
a: 42
b: 666
c: the beast
""").strip()
# test that !aggregate is correctly parsed
sls_obj = yamlex.deserialize(src)
assert sls_obj == {
'a': 'lol',
'foo': ['hello'],
'bar': [1, 2, 3],
'baz': {
'a': 42,
'b': 666,
'c': 'the beast'
}
}, sls_obj
assert dedent("""
a: lol
foo: [hello]
bar: [1, 2, 3]
baz: {a: 42, b: 666, c: the beast}
""").strip() == yamlex.serialize(sls_obj), sls_obj
# test that !aggregate aggregates scalars
src = dedent("""
placeholder: !aggregate foo
placeholder: !aggregate bar
placeholder: !aggregate baz
""").strip()
sls_obj = yamlex.deserialize(src)
assert sls_obj == {'placeholder': ['foo', 'bar', 'baz']}, sls_obj
# test that !aggregate aggregates lists
src = dedent("""
placeholder: !aggregate foo
placeholder: !aggregate [bar, baz]
placeholder: !aggregate []
placeholder: !aggregate ~
""").strip()
sls_obj = yamlex.deserialize(src)
assert sls_obj == {'placeholder': ['foo', 'bar', 'baz']}, sls_obj
# test that !aggregate aggregates dicts
src = dedent("""
placeholder: !aggregate {foo: 42}
placeholder: !aggregate {bar: null}
placeholder: !aggregate {baz: inga}
""").strip()
sls_obj = yamlex.deserialize(src)
assert sls_obj == {
'placeholder': {
'foo': 42,
'bar': None,
'baz': 'inga'
}
}, sls_obj
# test that !aggregate aggregates deep dicts
src = dedent("""
placeholder: {foo: !aggregate {foo: 42}}
placeholder: {foo: !aggregate {bar: null}}
placeholder: {foo: !aggregate {baz: inga}}
""").strip()
sls_obj = yamlex.deserialize(src)
assert sls_obj == {
'placeholder': {
'foo': {
'foo': 42,
'bar': None,
'baz': 'inga'
}
}
}, sls_obj
# test that {foo: !aggregate bar} and {!aggregate foo: bar}
# are roughly equivalent.
src = dedent("""
placeholder: {!aggregate foo: {foo: 42}}
placeholder: {!aggregate foo: {bar: null}}
placeholder: {!aggregate foo: {baz: inga}}
""").strip()
sls_obj = yamlex.deserialize(src)
assert sls_obj == {
'placeholder': {
'foo': {
'foo': 42,
'bar': None,
'baz': 'inga'
}
}
}, sls_obj
@skipIf(not yamlex.available, SKIP_MESSAGE % 'sls')
def test_sls_reset(self):
src = dedent("""
placeholder: {!aggregate foo: {foo: 42}}
placeholder: {!aggregate foo: {bar: null}}
!reset placeholder: {!aggregate foo: {baz: inga}}
""").strip()
sls_obj = yamlex.deserialize(src)
assert sls_obj == {
'placeholder': {
'foo': {
'baz': 'inga'
}
}
}, sls_obj
@skipIf(not yamlex.available, SKIP_MESSAGE % 'sls')
def test_sls_repr(self):
"""
Ensure that obj __repr__ and __str__ methods are yaml friendly.
"""
def convert(obj):
return yamlex.deserialize(yamlex.serialize(obj))
sls_obj = convert(OrderedDict([('foo', 'bar'), ('baz', 'qux')]))
# ensure that repr and str are yaml friendly
assert sls_obj.__str__() == '{foo: bar, baz: qux}'
assert sls_obj.__repr__() == '{foo: bar, baz: qux}'
# ensure that repr and str are already quoted
assert sls_obj['foo'].__str__() == '"bar"'
assert sls_obj['foo'].__repr__() == '"bar"'
@skipIf(not yamlex.available, SKIP_MESSAGE % 'sls')
def test_sls_micking_file_merging(self):
def convert(obj):
return yamlex.deserialize(yamlex.serialize(obj))
# let say that we have 2 pillar files
src1 = dedent("""
a: first
b: !aggregate first
c:
subkey1: first
subkey2: !aggregate first
""").strip()
src2 = dedent("""
a: second
b: !aggregate second
c:
subkey2: !aggregate second
subkey3: second
""").strip()
sls_obj1 = yamlex.deserialize(src1)
sls_obj2 = yamlex.deserialize(src2)
sls_obj3 = yamlex.merge_recursive(sls_obj1, sls_obj2)
assert sls_obj3 == {
'a': 'second',
'b': ['first', 'second'],
'c': {
'subkey2': ['first', 'second'],
'subkey3': 'second'
}
}, sls_obj3
@skipIf(not msgpack.available, SKIP_MESSAGE % 'msgpack')
def test_msgpack(self):
data = OrderedDict([
("foo", 1),
("bar", 2),
("baz", True),
])
serialized = msgpack.serialize(data)
deserialized = msgpack.deserialize(serialized)
assert deserialized == data, deserialized
if __name__ == '__main__':
from integration import run_tests
run_tests(TestSerializers, needs_daemon=False)