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from __future__ import unicode_literals

import jsonschema.exceptions

import pytest

from pre_commit.jsonschema_extensions import apply_defaults

from pre_commit.jsonschema_extensions import remove_defaults

def test_apply_defaults_copies_object():

input = {}

ret = apply_defaults(input, {})

assert ret is not input

def test_apply_default_does_not_touch_schema_without_defaults():

ret = apply_defaults(

{'foo': 'bar'},

{'type': 'object', 'properties': {'foo': {}, 'baz': {}}},

)

assert ret == {'foo': 'bar'}

def test_apply_defaults_applies_defaults():

ret = apply_defaults(

{'foo': 'bar'},

{

'type': 'object',

'properties': {

'foo': {'default': 'biz'},

'baz': {'default': 'herp'},

}

)

assert ret == {'foo': 'bar', 'baz': 'herp'}

def test_apply_defaults_deep():

ret = apply_defaults(

{'foo': {'bar': {}}},

{

'type': 'object',

'properties': {

'foo': {

'type': 'object',

'properties': {

'bar': {

'type': 'object',

'properties': {'baz': {'default': 'herp'}},

)

assert ret == {'foo': {'bar': {'baz': 'herp'}}}

def test_apply_defaults_copies():

schema = {'properties': {'foo': {'default': []}}}

ret1 = apply_defaults({}, schema)

ret2 = apply_defaults({}, schema)

assert ret1['foo'] is not ret2['foo']

def test_remove_defaults_copies_object():

input = {}

ret = remove_defaults(input, {})

assert ret is not input

def test_remove_defaults_does_not_remove_non_default():

ret = remove_defaults(

{'foo': 'bar'},

{'properties': {'foo': {'default': 'baz'}}},

)

assert ret == {'foo': 'bar'}

def test_remove_defaults_removes_default():

ret = remove_defaults(

{'foo': 'bar'},

{'properties': {'foo': {'default': 'bar'}}},

)

assert ret == {}

@pytest.mark.parametrize('func', (apply_defaults, remove_defaults))

def test_still_validates_schema(func):

with pytest.raises(jsonschema.exceptions.ValidationError):

func({}, {'properties': {'foo': {}}, 'required': ['foo']})

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