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test_backend.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2015-2020 Bitergia
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Authors:
# Valerio Cosentino <[email protected]>
# Santiago Dueñas <[email protected]>
# Jesus M. Gonzalez-Barahona <[email protected]>
# Miguel Ángel Fernández <[email protected]>
# Harshal Mittal <[email protected]>
# JJMerchante <[email protected]>
#
import argparse
import datetime
import io
import json
import os
import shutil
import sqlite3
import tempfile
import unittest
import unittest.mock
import dateutil.tz
from grimoirelab_toolkit.datetime import (InvalidDateError,
datetime_utcnow,
str_to_datetime)
from perceval.backends.core import __version__
from perceval.archive import Archive, ArchiveManager
from perceval.backend import (Backend,
BackendCommandArgumentParser,
BackendCommand,
BackendItemsGenerator,
OriginUniqueField,
Summary,
uuid,
fetch,
fetch_from_archive,
find_backends,
logger as backend_logger)
from perceval.errors import ArchiveError, BackendError, BackendCommandArgumentParserError
from perceval.utils import DEFAULT_DATETIME
from base import TestCaseBackendArchive
import mocked_package
from mocked_package.backend import (BackendA,
BackendCommandA)
import mocked_package.nested_package
from mocked_package.nested_package.nested_backend_b import (BackendB,
BackendCommandB)
from mocked_package.nested_package.nested_backend_c import (BackendC,
BackendCommandC)
SUMMARY_LOG_REPORT = """INFO:perceval.backend:Summary of results
\t Total items: \t5
\tItems produced: \t5
\t Items skipped: \t0
\tLast item UUID: \t6130c145435d661565bd7d402be403bea7cfb6b5
\tLast item date: \t2016-01-01 00:00:04+00:00
\tMin. item date: \t2016-01-01 00:00:00+00:00
\tMax. item date: \t2016-01-01 00:00:04+00:00
\tMin. offset: \t-\tMax. offset: \t-\tLast offset: \t-
"""
class MockedBackend(Backend):
"""Mocked backend for testing"""
version = '0.2.0'
DEFAULT_CATEGORY = "mock_item"
OTHER_CATEGORY = "alt_item"
CATEGORIES = [DEFAULT_CATEGORY, OTHER_CATEGORY]
SEARCH_FIELDS = {}
ITEMS = 5
def __init__(self, origin, tag=None, archive=None, blacklist_ids=None):
super().__init__(origin, tag=tag, archive=archive, blacklist_ids=blacklist_ids)
self._fetch_from_archive = False
def fetch(self, category=DEFAULT_CATEGORY, filter_classified=False):
return super().fetch(category, filter_classified=filter_classified)
def fetch_items(self, category, **kwargs):
for x in range(MockedBackend.ITEMS):
if self._fetch_from_archive:
item = self.archive.retrieve(str(x), None, None)
yield item
else:
item = {'item': x, 'category': category}
if self.archive:
self.archive.store(str(x), None, None, item)
yield item
def _init_client(self, from_archive=False):
self._fetch_from_archive = from_archive
return None
@staticmethod
def metadata_id(item):
return str(item['item'])
@staticmethod
def metadata_updated_on(item):
return str_to_datetime('2016-01-01').timestamp() + item['item']
@staticmethod
def metadata_category(item):
return item['category']
class MockedBackendBlacklist(MockedBackend):
"""Mocked backend for testing blacklist items filtering"""
ORIGIN_UNIQUE_FIELD = OriginUniqueField(name='item', type=int)
DEFAULT_CATEGORY = "mock_item"
def __init__(self, origin, tag=None, archive=None, blacklist_ids=None):
super().__init__(origin, tag=tag, archive=archive, blacklist_ids=blacklist_ids)
self._fetch_from_archive = False
def fetch(self, category=DEFAULT_CATEGORY, filter_classified=False):
return super().fetch(category, filter_classified=filter_classified)
def fetch_items(self, category, **kwargs):
for x in range(MockedBackend.ITEMS):
if self._fetch_from_archive:
item = self.archive.retrieve(str(x), None, None)
else:
item = {'item': x, 'category': category}
if self.archive:
self.archive.store(str(x), None, None, item)
if self._skip_item(item):
continue
yield item
class MockedBackendBlacklistNoOriginUniqueField(MockedBackend):
"""Mocked backend for testing blacklist items filtering"""
DEFAULT_CATEGORY = "mock_item"
def __init__(self, origin, tag=None, archive=None, blacklist_ids=None):
super().__init__(origin, tag=tag, archive=archive, blacklist_ids=blacklist_ids)
self._fetch_from_archive = False
def fetch(self, category=DEFAULT_CATEGORY, filter_classified=False):
return super().fetch(category, filter_classified=filter_classified)
def fetch_items(self, category, **kwargs):
for x in range(MockedBackend.ITEMS):
if self._fetch_from_archive:
item = self.archive.retrieve(str(x), None, None)
else:
item = {'item': x, 'category': category}
if self.archive:
self.archive.store(str(x), None, None, item)
if self._skip_item(item):
continue
yield item
class ClassifiedFieldsBackend(MockedBackend):
"""Mocked backend for testing classified fields filtering"""
CLASSIFIED_FIELDS = [
['my', 'list_classified', 'dict_classified', 'field'],
['my', 'classified', 'field'],
['classified']
]
def fetch(self, category, filter_classified=False):
return super().fetch(category, filter_classified=filter_classified)
def fetch_items(self, category, **kwargs):
i = 0
for item in super().fetch_items(category, **kwargs):
item['my'] = {
'classified': {'field': i},
'field': i,
'list_classified': [{'field': i, 'dict_classified': {'field': i}}]
}
item['classified'] = i
i += 1
yield item
class NotFoundClassifiedFieldBackend(MockedBackend):
"""Mocked backend for testing classified fields not found while filtering"""
CLASSIFIED_FIELDS = [
['classified_field']
]
def fetch(self, category, filter_classified=False):
return super().fetch(category, filter_classified=filter_classified)
class CommandBackend(MockedBackend):
"""Backend used for testing in BackendCommand tests"""
def fetch_items(self, category, **kwargs):
for item in super().fetch_items(category, **kwargs):
if self._fetch_from_archive:
item['archive'] = True
yield item
class ErrorCommandBackend(CommandBackend):
"""Backend which raises an exception while fetching items"""
def fetch_items(self, category, **kwargs):
for item in super().fetch_items(category, **kwargs):
yield item
raise BackendError(cause="Unhandled exception")
class MockedBackendCommand(BackendCommand):
"""Mocked backend command class used for testing"""
BACKEND = CommandBackend
def __init__(self, *args):
super().__init__(*args)
def _pre_init(self):
setattr(self.parsed_args, 'pre_init', True)
def _post_init(self):
setattr(self.parsed_args, 'post_init', True)
@classmethod
def setup_cmd_parser(cls):
parser = BackendCommandArgumentParser(cls.BACKEND,
from_date=True,
basic_auth=True,
token_auth=True,
archive=True,
ssl_verify=True)
parser.parser.add_argument('origin')
parser.parser.add_argument('--subtype', dest='subtype')
return parser
class MockedBackendBlacklistCommand(BackendCommand):
"""Mocked backend command class used for testing"""
BACKEND = MockedBackendBlacklist
def __init__(self, *args):
super().__init__(*args)
def _pre_init(self):
setattr(self.parsed_args, 'pre_init', True)
def _post_init(self):
setattr(self.parsed_args, 'post_init', True)
@classmethod
def setup_cmd_parser(cls):
parser = BackendCommandArgumentParser(cls.BACKEND,
blacklist=True)
parser.parser.add_argument('origin')
return parser
class MockedBackendBlacklistCommandNoOriginUniqueField(BackendCommand):
"""Mocked backend command class used for testing"""
BACKEND = MockedBackendBlacklistNoOriginUniqueField
def __init__(self, *args):
super().__init__(*args)
def _pre_init(self):
setattr(self.parsed_args, 'pre_init', True)
def _post_init(self):
setattr(self.parsed_args, 'post_init', True)
@classmethod
def setup_cmd_parser(cls):
parser = BackendCommandArgumentParser(cls.BACKEND,
blacklist=True)
parser.parser.add_argument('origin')
return parser
class MockedBackendCommandDefaultPrePostInit(BackendCommand):
"""Mocked backend command class used for testing"""
BACKEND = CommandBackend
def __init__(self, *args):
super().__init__(*args)
@classmethod
def setup_cmd_parser(cls):
parser = BackendCommandArgumentParser(cls.BACKEND,
from_date=True,
basic_auth=True,
token_auth=True,
archive=True,
ssl_verify=True)
parser.parser.add_argument('origin')
return parser
class ClassifiedFieldsBackendCommand(MockedBackendCommand):
"""Mocked backend command for testing classified fields filtering"""
BACKEND = ClassifiedFieldsBackend
class NoArchiveBackendCommand(BackendCommand):
"""Mocked backend command class used for testing which does not support archive"""
BACKEND = CommandBackend
def __init__(self, *args):
super().__init__(*args)
def _pre_init(self):
setattr(self.parsed_args, 'pre_init', True)
def _post_init(self):
setattr(self.parsed_args, 'post_init', True)
@classmethod
def setup_cmd_parser(cls):
parser = BackendCommandArgumentParser(cls.BACKEND,
from_date=True,
archive=False)
parser.parser.add_argument('origin')
parser.parser.add_argument('--subtype', dest='subtype')
return parser
class TestBackend(unittest.TestCase):
"""Unit tests for Backend"""
def setUp(self):
self.test_path = tempfile.mkdtemp(prefix='perceval_')
def tearDown(self):
shutil.rmtree(self.test_path)
def test_version(self):
"""Test whether the backend version is initialized"""
b = MockedBackend('test')
self.assertEqual(b.version, MockedBackend.version)
def test_origin(self):
"""Test whether origin value is initialized"""
b = Backend('test')
self.assertEqual(b.origin, 'test')
def test_ssl_verify(self):
"""Test whether the SSL verify value is initialized"""
b = Backend('test')
self.assertTrue(b.ssl_verify)
def test_classified_fields(self):
"""Test whether classified fields property returns a list with fields"""
b = Backend('test')
self.assertListEqual(b.classified_fields, [])
b = ClassifiedFieldsBackend('test')
self.assertListEqual(b.classified_fields, ['my.list_classified.dict_classified.field',
'my.classified.field',
'classified'])
def test_has_archiving(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test')
with self.assertRaises(NotImplementedError):
b.has_archiving()
def test_has_resuming(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test')
with self.assertRaises(NotImplementedError):
b.has_resuming()
def test_metadata_id(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test')
with self.assertRaises(NotImplementedError):
b.metadata_id(None)
def test_metadata_updated_on(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test')
with self.assertRaises(NotImplementedError):
b.metadata_updated_on(None)
def test_metadata_category(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test')
with self.assertRaises(NotImplementedError):
b.metadata_category(None)
def test_default_search_fields(self):
"""Test whether the default search field is `item_id`"""
b = MockedBackend('test')
expected = [
{
"item_id": "0"
},
{
"item_id": "1"
},
{
"item_id": "2"
},
{
"item_id": "3"
},
{
"item_id": "4"
},
]
for pos, item in enumerate(b.fetch()):
self.assertDictEqual(item['search_fields'], expected[pos])
def test_extra_search_fields(self):
"""Test whether the extra search fields are properly set"""
b = MockedBackend('test')
b.EXTRA_SEARCH_FIELDS = {
'pos': ['item']
}
expected = [
{
"item_id": "0",
"pos": 0
},
{
"item_id": "1",
"pos": 1
},
{
"item_id": "2",
"pos": 2
},
{
"item_id": "3",
"pos": 3
},
{
"item_id": "4",
"pos": 4
},
]
for pos, item in enumerate(b.fetch()):
self.assertDictEqual(item['search_fields'], expected[pos])
def test_extra_search_fields_skipped(self):
"""Test whether the search field is not listed if the field is not found/empty"""
b = MockedBackend('test')
b.EXTRA_SEARCH_FIELDS = {
'pos': ['unknown']
}
expected = [
{
"item_id": "0"
},
{
"item_id": "1"
},
{
"item_id": "2"
},
{
"item_id": "3"
},
{
"item_id": "4"
}
]
for pos, item in enumerate(b.fetch()):
self.assertDictEqual(item['search_fields'], expected[pos])
b.EXTRA_SEARCH_FIELDS = {
'pos': []
}
expected = [
{
"item_id": "0"
},
{
"item_id": "1"
},
{
"item_id": "2"
},
{
"item_id": "3"
},
{
"item_id": "4"
}
]
for pos, item in enumerate(b.fetch()):
self.assertDictEqual(item['search_fields'], expected[pos])
def test_tag(self):
"""Test whether tag value is initializated"""
b = Backend('test')
self.assertEqual(b.origin, 'test')
self.assertEqual(b.tag, 'test')
b = Backend('test', tag='mytag')
self.assertEqual(b.origin, 'test')
self.assertEqual(b.tag, 'mytag')
def test_archive(self):
"""Test whether archive value is initializated"""
archive_path = os.path.join(self.test_path, 'myarchive')
archive = Archive.create(archive_path)
b = Backend('test', archive=archive)
self.assertEqual(b.archive, archive)
b = Backend('test')
self.assertEqual(b.archive, None)
b.archive = archive
self.assertEqual(b.archive, archive)
def test_archive_value_error(self):
"""Test whether it raises a error on invalid archive istances"""
with self.assertRaises(ValueError):
Backend('test', archive=8)
b = Backend('test')
with self.assertRaises(ValueError):
b.archive = 8
def test_summary(self):
"""Test whether the summary is properly calculated"""
b = MockedBackend('test')
_ = [item for item in b.fetch()]
self.assertEqual(b.summary.fetched, 5)
self.assertIsNone(b.summary.extras)
self.assertIsNone(b.summary.min_offset)
self.assertIsNone(b.summary.max_offset)
self.assertIsNone(b.summary.last_offset)
self.assertEqual(b.summary.min_updated_on.isoformat(), '2016-01-01T00:00:00+00:00')
self.assertEqual(b.summary.max_updated_on.isoformat(), '2016-01-01T00:00:04+00:00')
self.assertEqual(b.summary.last_updated_on.isoformat(), '2016-01-01T00:00:04+00:00')
self.assertEqual(b.summary.last_uuid, '82475202a5efc42c75add425c47ac032340f4f3d')
self.assertEqual(b.summary.skipped, 0)
self.assertEqual(b.summary.total, 5)
def test_init_archive(self):
"""Test whether the archive is properly initialized when executing the fetch method"""
archive_path = os.path.join(self.test_path, 'myarchive')
archive = Archive.create(archive_path)
b = MockedBackend('test', archive=archive)
_ = [item for item in b.fetch()]
self.assertEqual(b.archive.backend_name, b.__class__.__name__)
self.assertEqual(b.archive.backend_version, b.version)
self.assertEqual(b.archive.origin, b.origin)
self.assertEqual(b.archive.category, MockedBackend.DEFAULT_CATEGORY)
def test_fetch_wrong_category(self):
"""Check that an error is thrown if the category is not valid"""
b = MockedBackend('test')
with self.assertRaises(BackendError):
_ = [item for item in b.fetch(category="acme")]
def test_fetch_client_not_provided(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test')
b.CATEGORIES = [MockedBackend.DEFAULT_CATEGORY]
with self.assertRaises(NotImplementedError):
_ = [item for item in b.fetch(category=MockedBackend.DEFAULT_CATEGORY)]
def test_init_client_not_implemented(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test')
with self.assertRaises(NotImplementedError):
b._init_client()
def test_fetch_items(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test')
with self.assertRaises(NotImplementedError):
b.fetch_items(MockedBackend.DEFAULT_CATEGORY)
class TestClassifiedFieldsFiltering(unittest.TestCase):
"""Unit tests for Backend filtering classified fields"""
def setUp(self):
self.test_path = tempfile.mkdtemp(prefix='perceval_')
def tearDown(self):
shutil.rmtree(self.test_path)
def test_fetch_filtering_classified_fields(self):
"""Test whether classified fields are removed from the items"""
backend = ClassifiedFieldsBackend('http://example.com/', tag='test')
items = [item for item in backend.fetch(category=ClassifiedFieldsBackend.DEFAULT_CATEGORY,
filter_classified=True)]
for x in range(5):
item = items[x]
expected_uuid = uuid('http://example.com/', str(x))
self.assertEqual(item['origin'], 'http://example.com/')
self.assertEqual(item['uuid'], expected_uuid)
self.assertEqual(item['tag'], 'test')
self.assertEqual(item['category'], ClassifiedFieldsBackend.DEFAULT_CATEGORY)
self.assertEqual(item['classified_fields_filtered'],
['my.list_classified.dict_classified.field',
'my.classified.field', 'classified'])
# Fields in CLASSIFIED_FIELDS are deleted
expected = {
'category': 'mock_item',
'item': x,
'my': {
'classified': {},
'field': x,
'list_classified': [{'dict_classified': {}, 'field': x}]
}
}
self.assertDictEqual(item['data'], expected)
def test_fetch_filtering_not_active(self):
"""Test whether classified fields are not removed from the items"""
backend = ClassifiedFieldsBackend('http://example.com/', tag='test')
items = [item for item in backend.fetch(category=ClassifiedFieldsBackend.DEFAULT_CATEGORY,
filter_classified=False)]
for x in range(5):
item = items[x]
expected_uuid = uuid('http://example.com/', str(x))
self.assertEqual(item['origin'], 'http://example.com/')
self.assertEqual(item['uuid'], expected_uuid)
self.assertEqual(item['tag'], 'test')
self.assertEqual(item['category'], ClassifiedFieldsBackend.DEFAULT_CATEGORY)
self.assertEqual(item['classified_fields_filtered'], None)
# Fields in CLASSIFIED_FIELDS are not deleted
expected = {
'category': 'mock_item',
'classified': x,
'item': x,
'my': {
'classified': {'field': x},
'field': x,
'list_classified': [{'dict_classified': {'field': x}, 'field': x}]
},
}
self.assertDictEqual(item['data'], expected)
def test_fetch_filtering_empty_list(self):
"""Test whether no data is removed when classified fields list is empty"""
backend = ClassifiedFieldsBackend('http://example.com/', tag='test')
backend.CLASSIFIED_FIELDS = []
items = [item for item in backend.fetch(category=ClassifiedFieldsBackend.DEFAULT_CATEGORY,
filter_classified=True)]
for x in range(5):
item = items[x]
expected_uuid = uuid('http://example.com/', str(x))
self.assertEqual(item['origin'], 'http://example.com/')
self.assertEqual(item['uuid'], expected_uuid)
self.assertEqual(item['tag'], 'test')
self.assertEqual(item['category'], ClassifiedFieldsBackend.DEFAULT_CATEGORY)
self.assertEqual(item['classified_fields_filtered'], [])
expected = {
'category': 'mock_item',
'classified': x,
'item': x,
'my': {
'classified': {'field': x},
'field': x,
'list_classified': [{'dict_classified': {'field': x}, 'field': x}]
},
}
self.assertDictEqual(item['data'], expected)
def test_error_archive_and_filter_classified(self):
"""Check if an error is raised when archive and classified fields filtering are both active"""
archive_path = os.path.join(self.test_path, 'myarchive')
archive = Archive.create(archive_path)
backend = ClassifiedFieldsBackend('http://example.com/', archive=archive)
msg_error = "classified fields filtering is not compatible with archiving items"
with self.assertRaisesRegex(BackendError, msg_error):
_ = [item for item in backend.fetch(category=ClassifiedFieldsBackend.DEFAULT_CATEGORY,
filter_classified=True)]
def test_not_found_field(self):
"""Check if items are fetched when a classified field does not exist"""
backend = NotFoundClassifiedFieldBackend('http://example.com/', tag='test')
with self.assertLogs(backend_logger, level='DEBUG') as cm:
items = [item for item in backend.fetch(category=ClassifiedFieldsBackend.DEFAULT_CATEGORY,
filter_classified=True)]
for x in range(5):
item = items[x]
# Classified fields are deleted; those not found are ignored
expected = {
'category': 'mock_item',
'item': x
}
self.assertDictEqual(item['data'], expected)
# Check logger output
# Each classified-field-related message appears after 7 debug messages
# because there are other debug messages
_num_debug_msgs = 7
expected_uuid = uuid('http://example.com/', str(x))
exp = "Classified field 'classified_field' not found for item " + expected_uuid
self.assertRegex(cm.output[x * _num_debug_msgs + 1], exp)
class TestBackendBlacklist(unittest.TestCase):
def setUp(self):
self.test_path = tempfile.mkdtemp(prefix='perceval_')
def tearDown(self):
shutil.rmtree(self.test_path)
def test_fetch_blacklist(self):
"""Check whether blacklist items are filtered out"""
backend = MockedBackendBlacklist('http://example.com/')
items = [item for item in backend.fetch(category=MockedBackendBlacklist.DEFAULT_CATEGORY)]
self.assertEqual(len(items), 5)
backend = MockedBackendBlacklist('http://example.com/', blacklist_ids=[1])
with self.assertLogs(backend_logger, level='INFO') as cm:
items = [item for item in backend.fetch(category=MockedBackendBlacklist.DEFAULT_CATEGORY)]
self.assertEqual(cm.output[0], 'WARNING:perceval.backend:Skipping blacklisted item item 1')
self.assertEqual(len(items), 4)
self.assertNotIn(1, [i['data']['item'] for i in items])
def test_fetch_blacklist_no_unique_field(self):
"""Check whether no items are blacklisted if the ORIGIN_UNIQUE_FIELD is not defined"""
backend = MockedBackendBlacklist('http://example.com/')
items = [item for item in backend.fetch(category=MockedBackendBlacklist.DEFAULT_CATEGORY)]
self.assertEqual(len(items), 5)
backend = MockedBackendBlacklistNoOriginUniqueField('http://example.com/', blacklist_ids=[1])
items = [item for item in backend.fetch(category=MockedBackendBlacklistNoOriginUniqueField.DEFAULT_CATEGORY)]
self.assertEqual(len(items), 5)
class TestBackendArchive(TestCaseBackendArchive):
"""Unit tests for Backend using the archive"""
def setUp(self):
super().setUp()
self.backend_write_archive = MockedBackend('test', archive=self.archive)
self.backend_read_archive = MockedBackend('test', archive=self.archive)
def tearDown(self):
shutil.rmtree(self.test_path)
def test_fetch_from_archive(self):
"""Test whether the method fetch_from_archive works properly"""
self._test_fetch_from_archive()
def test_fetch_from_archive_not_provided(self):
"""Test whether an exception is thrown when an archive is not provided"""
b = MockedBackend('test')
with self.assertRaises(ArchiveError):
_ = [item for item in b.fetch_from_archive()]
def test_fetch_client_not_implemented(self):
"""Test whether an NotImplementedError exception is thrown"""
b = Backend('test', archive=self.archive)
with self.assertRaises(NotImplementedError):
_ = [item for item in b.fetch_from_archive()]
class TestBackendCommandArgumentParser(unittest.TestCase):
"""Unit tests for BackendCommandArgumentParser"""
def test_argument_parser(self):
"""Test if an argument parser object is created on initialization"""
parser = BackendCommandArgumentParser(MockedBackendCommand.BACKEND)
self.assertIsInstance(parser.parser, argparse.ArgumentParser)
def test_backend(self):
"""Test whether _backend is initialized"""
parser = BackendCommandArgumentParser(MockedBackendCommand.BACKEND)
self.assertEqual(parser._backend, MockedBackendCommand.BACKEND)
def test_parse_default_args(self):
"""Test if the default configured arguments are parsed"""
args = ['--tag', 'test', '--filter-classified']
parser = BackendCommandArgumentParser(MockedBackendCommand.BACKEND)
parsed_args = parser.parse(*args)
self.assertIsInstance(parsed_args, argparse.Namespace)
self.assertEqual(parsed_args.tag, 'test')
self.assertEqual(parsed_args.filter_classified, True)
def test_parse_default_filter_classified(self):
"""Test default value of filter-classified options"""
args = []
parser = BackendCommandArgumentParser(MockedBackendCommand.BACKEND)
parsed_args = parser.parse(*args)
self.assertEqual(parsed_args.filter_classified, False)
def test_parse_with_aliases(self):
"""Test if a set of aliases is created after parsing"""
aliases = {
'label': 'tag',
'label2': 'tag',
'newdate': 'from_date',
'from_date': 'tag',
'notfound': 'backend_token'
}
parser = BackendCommandArgumentParser(MockedBackendCommand.BACKEND,
from_date=True,
aliases=aliases)
args = ['--tag', 'test', '--from-date', '2015-01-01']
parsed_args = parser.parse(*args)
expected_dt = datetime.datetime(2015, 1, 1, 0, 0,
tzinfo=dateutil.tz.tzutc())
self.assertIsInstance(parsed_args, argparse.Namespace)
self.assertEqual(parsed_args.tag, 'test')
self.assertEqual(parsed_args.from_date, expected_dt)
# Check aliases
self.assertEqual(parsed_args.label, 'test')
self.assertEqual(parsed_args.label2, 'test')
self.assertEqual(parsed_args.newdate, expected_dt)
self.assertNotIn('notfound', parsed_args)
def test_parse_date_args(self):
"""Test if date parameters are parsed"""
parser = BackendCommandArgumentParser(MockedBackendCommand.BACKEND,
from_date=True,
to_date=True)
# Check default value
args = []
parsed_args = parser.parse(*args)
self.assertEqual(parsed_args.from_date, DEFAULT_DATETIME)
self.assertEqual(parsed_args.to_date, None)
# Check argument 'from-date'
args = ['--from-date', '2015-01-01']
parsed_args = parser.parse(*args)
expected = datetime.datetime(2015, 1, 1, 0, 0,
tzinfo=dateutil.tz.tzutc())
self.assertEqual(parsed_args.from_date, expected)
self.assertEqual(parsed_args.to_date, None)
# Invalid 'from-date'
args = ['--from-date', 'asdf']
with self.assertRaises(InvalidDateError):
parsed_args = parser.parse(*args)
# Check argument 'to-date'
args = ['--to-date', '2016-01-01']
parsed_args = parser.parse(*args)
expected_dt = datetime.datetime(2016, 1, 1, 0, 0,
tzinfo=dateutil.tz.tzutc())
self.assertEqual(parsed_args.from_date, DEFAULT_DATETIME)
self.assertEqual(parsed_args.to_date, expected_dt)
# Invalid 'to-date'
args = ['--to-date', 'asdf']
with self.assertRaises(InvalidDateError):
parsed_args = parser.parse(*args)
# Check both arguments
args = ['--from-date', '2015-01-01', '--to-date', '2016-01-01']
parsed_args = parser.parse(*args)
self.assertEqual(parsed_args.from_date, expected)
self.assertEqual(parsed_args.to_date, expected_dt)
def test_parse_offset_arg(self):
"""Test if offset parameter is parsed"""
parser = BackendCommandArgumentParser(MockedBackendCommand.BACKEND,