odoo/ext/3rd-party-addons/component/tests/test_component.py

288 lines
12 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2017 Camptocamp SA
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
from contextlib import contextmanager
from odoo.addons.component.core import (
Component,
)
from .common import TransactionComponentRegistryCase
from odoo.addons.component.exception import (
NoComponentError,
SeveralComponentError,
)
class TestComponent(TransactionComponentRegistryCase):
""" Test usage of components
These tests are a bit more broad that mere unit tests.
We test the chain odoo Model -> generate a WorkContext instance -> Work
with Component.
Tests are inside Odoo transactions, so we can work
with Odoo's env / models.
"""
def setUp(self):
super(TestComponent, self).setUp()
self.collection = self.env['collection.base']
# create some Component to play with
class Component1(Component):
_name = 'component1'
_collection = 'collection.base'
_usage = 'for.test'
_apply_on = ['res.partner']
class Component2(Component):
_name = 'component2'
_collection = 'collection.base'
_usage = 'for.test'
_apply_on = ['res.users']
# build the components and register them in our
# test component registry
Component1._build_component(self.comp_registry)
Component2._build_component(self.comp_registry)
# our collection, in a less abstract use case, it
# could be a record of 'magento.backend' for instance
self.collection_record = self.collection.new()
@contextmanager
def get_base():
# Our WorkContext, it will be passed along in every
# components so we can share data transversally.
# We are working with res.partner in the following tests,
# unless we change it in the test.
with self.collection_record.work_on(
'res.partner',
# we use a custom registry only
# for the sake of the tests
components_registry=self.comp_registry
) as work:
# We get the 'base' component, handy to test the base
# methods component, many_components, ...
yield work.component_by_name('base')
self.get_base = get_base
def test_component_attrs(self):
""" Basic access to a Component's attribute """
with self.get_base() as base:
# as we are working on res.partner, we should get 'component1'
comp = base.work.component(usage='for.test')
# but this is not what we test here, we test the attributes:
self.assertEqual(self.collection_record, comp.collection)
self.assertEqual(base.work, comp.work)
self.assertEqual(self.env, comp.env)
self.assertEqual(self.env['res.partner'], comp.model)
def test_component_get_by_name_same_model(self):
""" Use component_by_name with current working model """
with self.get_base() as base:
# we ask a component directly by it's name, considering
# we work with res.partner, we should get 'component1'
# this is ok because it's _apply_on contains res.partner
comp = base.component_by_name('component1')
self.assertEqual('component1', comp._name)
self.assertEqual(self.env['res.partner'], comp.model)
def test_component_get_by_name_other_model(self):
""" Use component_by_name with another model """
with self.get_base() as base:
# we ask a component directly by it's name, but we
# want to work with 'res.users', this is ok since
# component2's _apply_on contains res.users
comp = base.component_by_name(
'component2', model_name='res.users'
)
self.assertEqual('component2', comp._name)
self.assertEqual(self.env['res.users'], comp.model)
# what happens under the hood, is that a new WorkContext
# has been created for this model, with all the other values
# identical to the previous WorkContext (the one for res.partner)
# We can check that with:
self.assertNotEqual(base.work, comp.work)
self.assertEqual('res.partner', base.work.model_name)
self.assertEqual('res.users', comp.work.model_name)
def test_component_get_by_name_wrong_model(self):
""" Use component_by_name with a model not in _apply_on """
msg = ("Component with name 'component2' can't be used "
"for model 'res.partner'.*")
with self.get_base() as base:
with self.assertRaisesRegex(NoComponentError, msg):
# we ask for the model 'component2' but we are working
# with res.partner, and it only accepts res.users
base.component_by_name('component2')
def test_component_get_by_name_not_exist(self):
""" Use component_by_name on a component that do not exist """
msg = "No component with name 'foo' found."
with self.get_base() as base:
with self.assertRaisesRegex(NoComponentError, msg):
base.component_by_name('foo')
def test_component_by_usage_same_model(self):
""" Use component(usage=...) on the same model """
# we ask for a component having _usage == 'for.test', and
# model being res.partner (the model in the current WorkContext)
with self.get_base() as base:
comp = base.component(usage='for.test')
self.assertEqual('component1', comp._name)
self.assertEqual(self.env['res.partner'], comp.model)
def test_component_by_usage_other_model(self):
""" Use component(usage=...) on a different model (name) """
# we ask for a component having _usage == 'for.test', and
# a different model (res.users)
with self.get_base() as base:
comp = base.component(usage='for.test', model_name='res.users')
self.assertEqual('component2', comp._name)
self.assertEqual(self.env['res.users'], comp.model)
# what happens under the hood, is that a new WorkContext
# has been created for this model, with all the other values
# identical to the previous WorkContext (the one for res.partner)
# We can check that with:
self.assertNotEqual(base.work, comp.work)
self.assertEqual('res.partner', base.work.model_name)
self.assertEqual('res.users', comp.work.model_name)
def test_component_by_usage_other_model_env(self):
""" Use component(usage=...) on a different model (instance) """
with self.get_base() as base:
comp = base.component(usage='for.test',
model_name=self.env['res.users'])
self.assertEqual('component2', comp._name)
self.assertEqual(self.env['res.users'], comp.model)
def test_component_error_several(self):
""" Use component(usage=...) when more than one component match """
# we create a new Component with _usage 'for.test', in the same
# collection and no _apply_on
class Component3(Component):
_name = 'component3'
_collection = 'collection.base'
_usage = 'for.test'
Component3._build_component(self.comp_registry)
with self.get_base() as base:
with self.assertRaises(SeveralComponentError):
# When a component has no _apply_on, it means it can be applied
# on *any* model. Here, the candidates components would be:
# component1 (because we are working with res.partner),
# component3 (because it has no _apply_on so apply in any case)
base.component(usage='for.test')
def test_many_components(self):
""" Use many_components(usage=...) on the same model """
class Component3(Component):
_name = 'component3'
_collection = 'collection.base'
_usage = 'for.test'
Component3._build_component(self.comp_registry)
with self.get_base() as base:
comps = base.many_components(usage='for.test')
# When a component has no _apply_on, it means it can be applied
# on *any* model. So here, both component1 and component3 match
self.assertEqual(
['component1', 'component3'],
[c._name for c in comps]
)
def test_many_components_other_model(self):
""" Use many_components(usage=...) on a different model (name) """
class Component3(Component):
_name = 'component3'
_collection = 'collection.base'
_apply_on = 'res.users'
_usage = 'for.test'
Component3._build_component(self.comp_registry)
with self.get_base() as base:
comps = base.many_components(usage='for.test',
model_name='res.users')
self.assertEqual(
['component2', 'component3'],
[c._name for c in comps]
)
def test_many_components_other_model_env(self):
""" Use many_components(usage=...) on a different model (instance) """
class Component3(Component):
_name = 'component3'
_collection = 'collection.base'
_apply_on = 'res.users'
_usage = 'for.test'
Component3._build_component(self.comp_registry)
with self.get_base() as base:
comps = base.many_components(usage='for.test',
model_name=self.env['res.users'])
self.assertEqual(
['component2', 'component3'],
[c._name for c in comps]
)
def test_no_component(self):
""" No component found for asked usage """
with self.get_base() as base:
with self.assertRaises(NoComponentError):
base.component(usage='foo')
def test_no_many_component(self):
""" No component found for asked usage for many_components() """
with self.get_base() as base:
self.assertEqual([], base.many_components(usage='foo'))
def test_work_on_component(self):
""" Check WorkContext.component() (shortcut to Component.component) """
with self.get_base() as base:
comp = base.work.component(usage='for.test')
self.assertEqual('component1', comp._name)
def test_work_on_many_components(self):
""" Check WorkContext.many_components()
(shortcut to Component.many_components)
"""
with self.get_base() as base:
comps = base.work.many_components(usage='for.test')
self.assertEqual('component1', comps[0]._name)
def test_component_match(self):
""" Lookup with match method """
class Foo(Component):
_name = 'foo'
_collection = 'collection.base'
_usage = 'speaker'
_apply_on = ['res.partner']
@classmethod
def _component_match(cls, work):
return False
class Bar(Component):
_name = 'bar'
_collection = 'collection.base'
_usage = 'speaker'
_apply_on = ['res.partner']
self._build_components(Foo, Bar)
with self.get_base() as base:
# both components would we returned without the
# _component_match method
comp = base.component(usage='speaker',
model_name=self.env['res.partner'])
self.assertEqual('bar', comp._name)