describe_new()

Complexity

Conditions

6

Size

Total Lines

16

Duplication

Lines	0
Ratio	0 %

2 Methods

Rating	Name	Duplication	Size	Complexity
A	it_requires_files_to_not_yet_exist()	0	5	2
A	it_requires_a_mapped_object()	0	3	2

# pylint: disable=unused-variable,redefined-outer-name,expression-not-assigned,singleton-comparison

Bad option value 'singleton-comparison'

import logging
from unittest.mock import Mock

import pytest
from expecter import expect

The import expecter could not be resolved.

import yorm
from yorm import exceptions
from yorm import utilities

log = logging.getLogger(__name__)


@pytest.fixture
def model_class(tmpdir):
    tmpdir.chdir()

    @yorm.sync("data/{self.kind}/{self.key}.yml", auto_create=False)
    class Model:

        def __init__(self, kind, key):
            self.kind = kind
            self.key = key

        def __eq__(self, other):
            return (self.kind, self.key) == (other.kind, other.key)

    return Model


@pytest.fixture
def instance(model_class):
    return model_class('foo', 'bar')


def describe_new():

    def it_creates_files(model_class):
        instance = utilities.new(model_class, 'foo', 'bar')

        expect(instance.__mapper__.exists) == True

    def it_requires_files_to_not_yet_exist(model_class, instance):
        instance.__mapper__.create()

        with expect.raises(exceptions.DuplicateMappingError):
            utilities.new(model_class, 'foo', 'bar')

    def it_requires_a_mapped_object():
        with expect.raises(TypeError):
            utilities.new(Mock)


def describe_find():

    def it_returns_object_when_found(model_class, instance):
        instance.__mapper__.create()

        expect(utilities.find(model_class, 'foo', 'bar')) == instance

    def it_returns_none_when_no_match(model_class):
        expect(utilities.find(model_class, 'not', 'here')) == None

    def it_allows_objects_to_be_created(model_class):
        expect(utilities.find(model_class, 'new', 'one', create=True)) == \
            model_class('new', 'one')

    def it_requires_a_mapped_object():
        with expect.raises(TypeError):
            utilities.find(Mock)


def describe_load():

    def it_is_not_yet_implemented():
        with expect.raises(NotImplementedError):
            utilities.load(Mock)


def describe_save():

    def it_creates_files(instance):
        utilities.save(instance)

        expect(instance.__mapper__.exists) == True

    def it_marks_files_as_modified(instance):
        instance.__mapper__.create()
        instance.__mapper__.modified = False

        utilities.save(instance)

        expect(instance.__mapper__.modified) == True

    def it_expects_the_file_to_not_be_deleted(instance):
        instance.__mapper__.delete()

        with expect.raises(exceptions.DeletedFileError):
            utilities.save(instance)

    def it_requires_a_mapped_object():
        with expect.raises(TypeError):
            utilities.save(Mock)


def describe_delete():

    def it_deletes_files(instance):
        utilities.delete(instance)

        expect(instance.__mapper__.exists) == False
        expect(instance.__mapper__.deleted) == True

    def it_requires_a_mapped_object():
        with expect.raises(TypeError):
            utilities.delete(Mock)