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test_services.py
177 lines (138 loc) · 7.2 KB
/
test_services.py
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from unittest import mock
import json
from django.test import TestCase
from django.utils import timezone
from dsmr_mindergas.models.settings import MinderGasSettings
from dsmr_consumption.models.consumption import GasConsumption
import dsmr_mindergas.services
class TestServices(TestCase):
""" Test 'dsmr_backend' management command. """
fixtures = ['dsmr_mindergas/gas-consumption.json']
@mock.patch('django.utils.timezone.now')
def test_should_export_default(self, now_mock):
""" Test should_export() default behaviour. """
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=0, minute=5))
settings = MinderGasSettings.get_solo()
self.assertFalse(settings.export)
self.assertIsNone(settings.auth_token)
self.assertIsNone(settings.next_export)
self.assertFalse(dsmr_mindergas.services.should_export())
@mock.patch('django.utils.timezone.now')
def test_should_export_no_gas(self, now_mock):
""" Test should_export() without gas. """
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=0, minute=5))
settings = MinderGasSettings.get_solo()
settings.export = True
settings.auth_token = 'XXXXX'
settings.save()
# Drop all gas data.
GasConsumption.objects.all().delete()
self.assertFalse(GasConsumption.objects.exists())
self.assertFalse(dsmr_mindergas.services.should_export())
@mock.patch('django.utils.timezone.now')
def test_should_export_no_need(self, now_mock):
""" Test should_export() when not needed, yet. """
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=0, minute=5))
tomorrow = timezone.localtime(timezone.now()) + timezone.timedelta(hours=24)
settings = MinderGasSettings.get_solo()
settings.export = True
settings.auth_token = 'XXXXX'
settings.next_export = tomorrow # Cause of delay.
settings.save()
self.assertFalse(dsmr_mindergas.services.should_export())
@mock.patch('django.utils.timezone.now')
def test_should_export_okay(self, now_mock):
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=0, minute=5))
settings = MinderGasSettings.get_solo()
settings.export = True
settings.auth_token = 'XXXXX'
settings.save()
self.assertTrue(dsmr_mindergas.services.should_export())
@mock.patch('dsmr_mindergas.services.should_export')
@mock.patch('django.utils.timezone.now')
def test_export_not_allowed(self, now_mock, should_export_mock):
""" Test export() blocking behaviour. """
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=0, minute=5))
should_export_mock.return_value = False
settings = MinderGasSettings.get_solo()
self.assertFalse(settings.export)
self.assertIsNone(settings.next_export)
self.assertFalse(should_export_mock.called)
# Nothing should happen.
dsmr_mindergas.services.export()
self.assertTrue(should_export_mock.called)
self.assertIsNone(settings.next_export)
@mock.patch('dsmr_mindergas.services.should_export')
@mock.patch('django.utils.timezone.now')
def test_export_no_gas(self, now_mock, should_export_mock):
""" Test export() without gas data. """
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=0, minute=5))
should_export_mock.return_value = True
# Drop all gas data.
GasConsumption.objects.all().delete()
self.assertFalse(GasConsumption.objects.exists())
settings = MinderGasSettings.get_solo()
self.assertFalse(settings.export)
self.assertIsNone(settings.next_export)
# Nothing should happen, as there is no data.
dsmr_mindergas.services.export()
self.assertIsNone(settings.next_export)
@mock.patch('requests.post')
@mock.patch('dsmr_mindergas.services.should_export')
@mock.patch('django.utils.timezone.now')
def test_export_random_schedule(self, now_mock, should_export_mock, requests_post_mock):
""" Test export() setting the next export randomly. """
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=0, minute=5))
should_export_mock.return_value = True
requests_post_mock.return_value = mock.MagicMock(status_code=201, text='Fake accept')
# We should at least have two different values (out of 10 attempts)
random_values = []
for _ in range(0, 10):
dsmr_mindergas.services.export()
settings = MinderGasSettings.get_solo()
self.assertIsNotNone(settings.next_export)
random_values.append(settings.next_export)
# Make unique and count them.
random_values = list(set(random_values))
self.assertGreater(len(random_values), 2)
@mock.patch('requests.post')
@mock.patch('dsmr_mindergas.services.should_export')
@mock.patch('django.utils.timezone.now')
def test_export_fail(self, now_mock, should_export_mock, requests_post_mock):
""" Test export() failing by denied API call. """
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=4, minute=45))
should_export_mock.return_value = True
settings = MinderGasSettings.get_solo()
self.assertFalse(settings.export)
self.assertIsNone(settings.next_export)
self.assertFalse(requests_post_mock.called)
# Mindergas error codes according to docs.
for current_error_code in (401, 422):
requests_post_mock.return_value = mock.MagicMock(status_code=current_error_code, text='Error message')
dsmr_mindergas.services.export()
settings = MinderGasSettings.get_solo()
# This should be set one hour forward now.
self.assertEqual(settings.next_export, timezone.now() + timezone.timedelta(hours=1))
self.assertTrue(requests_post_mock.called)
@mock.patch('requests.post')
@mock.patch('dsmr_mindergas.services.should_export')
@mock.patch('django.utils.timezone.now')
def test_export_okay(self, now_mock, should_export_mock, requests_post_mock):
""" Test export() as designed. """
now_mock.return_value = timezone.make_aware(timezone.datetime(2015, 12, 12, hour=0, minute=5))
should_export_mock.return_value = True
requests_post_mock.return_value = mock.MagicMock(status_code=201, text='Fake accept')
settings = MinderGasSettings.get_solo()
self.assertFalse(settings.export)
self.assertIsNone(settings.next_export)
self.assertFalse(requests_post_mock.called)
dsmr_mindergas.services.export()
settings = MinderGasSettings.get_solo()
self.assertIsNotNone(settings.next_export)
self.assertTrue(requests_post_mock.called)
# Check API parameters.
requests_post_mock.assert_called_once_with(
MinderGasSettings.API_URL,
headers={'Content-Type': 'application/json', 'AUTH-TOKEN': settings.auth_token},
data=json.dumps({'date': '2015-12-11', 'reading': '956.739'}),
)