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test_ckan_utils.py
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test_ckan_utils.py
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import unittest
import os
import re
import json
from dateutil import parser, tz
from .context import pydatajson
from pydatajson.ckan_utils import map_dataset_to_package, map_distributions_to_resources, convert_iso_string_to_utc
SAMPLES_DIR = os.path.join("tests", "samples")
class DatasetConversionTestCase(unittest.TestCase):
@classmethod
def get_sample(cls, sample_filename):
return os.path.join(SAMPLES_DIR, sample_filename)
@classmethod
def setUpClass(cls):
cls.catalog = pydatajson.DataJson(cls.get_sample('full_data.json'))
cls.catalog_id = cls.catalog.get('identifier', re.sub(r'[^a-z-_]+', '', cls.catalog['title'].lower()))
cls.dataset = cls.catalog.datasets[0]
cls.dataset_id = cls.dataset.get('identifier')
cls.distributions = cls.dataset['distribution']
def test_replicated_plain_attributes_are_corrext(self):
package = map_dataset_to_package(self.dataset, self.catalog_id)
plain_replicated_attributes = [('title', 'title'),
('notes', 'description'),
('url', 'landingPage')]
for fst, snd in plain_replicated_attributes:
self.assertEqual(self.dataset.get(snd), package.get(fst))
self.assertEqual(self.catalog_id+'_'+self.dataset_id, package['id'])
def test_dataset_nested_replicated_attributes_stay_the_same(self):
package = map_dataset_to_package(self.dataset, self.catalog_id)
contact_point_nested = [('maintainer', 'fn'),
('maintainer_email', 'hasEmail')]
for fst, snd in contact_point_nested:
self.assertEqual(self.dataset.get('contactPoint', {}).get(snd), package.get(fst))
publisher_nested = [('author', 'name'),
('author_email', 'mbox')]
for fst, snd in publisher_nested:
self.assertEqual(self.dataset.get('publisher').get(snd), package.get(fst))
def test_dataset_array_attributes_are_correct(self):
package = map_dataset_to_package(self.dataset, self.catalog_id)
groups = [group['name'] for group in package.get('groups', [])]
super_themes = [re.sub(r'[^a-z-_]+', '', s_theme.lower()) for s_theme in self.dataset.get('superTheme')]
try:
self.assertItemsEqual(super_themes, groups)
except AttributeError:
self.assertCountEqual(super_themes, groups)
tags = [tag['name'] for tag in package['tags']]
themes_and_keywords = self.dataset.get('theme', []) + self.dataset.get('keyword', [])
try:
self.assertItemsEqual(themes_and_keywords, tags)
except AttributeError:
self.assertCountEqual(themes_and_keywords, tags)
def test_dataset_extra_attributes_are_correct(self):
package = map_dataset_to_package(self.dataset, self.catalog_id)
# extras are included in dataset
if package['extras']:
for extra in package['extras']:
if extra['key'] == 'super_theme':
dataset_value = self.dataset['superTheme']
else:
dataset_value = self.dataset[extra['key']]
if type(dataset_value) is list:
extra_value = json.loads(extra['value'])
try:
self.assertItemsEqual(dataset_value, extra_value)
except AttributeError:
self.assertCountEqual(dataset_value, extra_value)
else:
extra_value = extra['value']
self.assertEqual(dataset_value, extra_value)
def test_dataset_extra_attributes_are_complete(self):
package = map_dataset_to_package(self.dataset, self.catalog_id)
# dataset attributes are included in extras
extra_attrs = ['issued', 'modified', 'accrualPeriodicity', 'temporal', 'language', 'spatial']
for key in extra_attrs:
value = self.dataset.get(key)
if value:
if type(value) is list:
value = json.dumps(value)
resulting_dict = {'key': key, 'value': value}
self.assertTrue(resulting_dict in package['extras'])
self.assertTrue({'key': 'super_theme', 'value': json.dumps(self.dataset['superTheme'])})
def test_resources_replicated_attributes_stay_the_same(self):
resources = map_distributions_to_resources(self.distributions, self.catalog_id+'_'+self.dataset_id)
for resource in resources:
distribution = next(x for x in self.dataset['distribution'] if x['title'] == resource['name'])
replicated_attributes = [('url', 'downloadURL'),
('mimetype', 'mediaType'),
('description', 'description'),
('format', 'format'),
('size', 'byteSize'),
('fileName', 'fileName')]
for fst, snd in replicated_attributes:
if distribution.get(snd):
self.assertEqual(distribution.get(snd), resource.get(fst))
else:
self.assertIsNone(resource.get(fst))
self.assertEqual(self.catalog_id+'_'+self.dataset_id+'_'+distribution['identifier'], resource['id'])
def test_resources_transformed_attributes_are_correct(self):
resources = map_distributions_to_resources(self.distributions, self.catalog_id+'_'+self.dataset_id)
for resource in resources:
distribution = next(x for x in self.dataset['distribution'] if x['title'] == resource['name'])
time_attributes = [('created', 'issued'), ('last_modified', 'modified')]
for fst, snd in time_attributes:
if distribution.get(snd):
dist_time = parser.parse(distribution.get(snd)).astimezone(tz.tzutc())
dist_time = dist_time.replace(tzinfo=None).isoformat()
self.assertEqual(dist_time, resource.get(fst))
else:
self.assertIsNone(resource.get(fst))
def test_resources_extra_attributes_are_created_correctly(self):
resources = map_distributions_to_resources(self.distributions, self.catalog_id+'_'+self.dataset_id)
for resource in resources:
distribution = next(x for x in self.dataset['distribution'] if x['title'] == resource['name'])
self.assertEqual(distribution.get('accessURL'), resource.get('accessURL'))
dist_fields = distribution.get('field')
if dist_fields:
res_fields = json.loads(resource.get('attributesDescription'))
for dist_field, res_field in zip(dist_fields, res_fields):
self.assertDictEqual(dist_field, res_field)
else:
self.assertIsNone(resource.get('attributesDescription'))
class DatetimeConversionTests(unittest.TestCase):
def test_timezones_are_handled_correctly(self):
buenos_aires = '2018-01-29T14:14:09.291510-03:00'
buenos_aires_utc = '2018-01-29T17:14:09.291510'
res = convert_iso_string_to_utc(buenos_aires)
self.assertEqual(buenos_aires_utc, res)
moscow = '2018-01-29T14:14:09.291510+03:00'
moscow_utc = '2018-01-29T11:14:09.291510'
res = convert_iso_string_to_utc(moscow)
self.assertEqual(moscow_utc, res)
def test_dates_change_correctly(self):
buenos_aires = '2018-01-29T22:14:09.291510-03:00'
buenos_aires_utc = '2018-01-30T01:14:09.291510'
res = convert_iso_string_to_utc(buenos_aires)
self.assertEqual(buenos_aires_utc, res)
moscow = '2018-01-29T01:14:09.291510+03:00'
moscow_utc = '2018-01-28T22:14:09.291510'
res = convert_iso_string_to_utc(moscow)
self.assertEqual(moscow_utc, res)
def test_datetimes_without_timezones_stay_the_same(self):
no_timezone_string = '2018-01-29T22:14:09.291510'
res = convert_iso_string_to_utc(no_timezone_string)
self.assertEqual(no_timezone_string, res)
def test_datetimes_without_microseconds_are_handled_correctly(self):
buenos_aires = '2018-01-29T14:14:09-03:00'
buenos_aires_utc = '2018-01-29T17:14:09'
res = convert_iso_string_to_utc(buenos_aires)
self.assertEqual(buenos_aires_utc, res)
moscow = '2018-01-29T14:14:09+03:00'
moscow_utc = '2018-01-29T11:14:09'
res = convert_iso_string_to_utc(moscow)
self.assertEqual(moscow_utc, res)
def test_datetimes_without_seconds_are_handled_correctly(self):
buenos_aires = '2018-01-29T14:14-03:00'
buenos_aires_utc = '2018-01-29T17:14:00'
res = convert_iso_string_to_utc(buenos_aires)
self.assertEqual(buenos_aires_utc, res)
moscow = '2018-01-29T14:14+03:00'
moscow_utc = '2018-01-29T11:14:00'
res = convert_iso_string_to_utc(moscow)
self.assertEqual(moscow_utc, res)
def test_dates_stay_the_same(self):
date = '2018-01-29'
res = convert_iso_string_to_utc(date)
self.assertEqual(date, res)