def get(request):
"""
Pass graph data to frontend.
"""
timeline = InstallationStatistics.timeline()
students, courses, instances = InstallationStatistics.data_per_period()
instances_count, courses_count, students_count = InstallationStatistics.overall_counts(
)
first_datetime_of_update_data, last_datetime_of_update_data = get_data_created_datetime_scope(
)
context = {
'timeline': json.dumps(timeline),
'students': json.dumps(students),
'courses': json.dumps(courses),
'instances': json.dumps(instances),
'instances_count': instances_count,
'courses_count': courses_count,
'students_count': students_count,
'first_datetime_of_update_data': first_datetime_of_update_data,
'last_datetime_of_update_data': last_datetime_of_update_data
}
return render(request, 'charts/graphs.html', context)
def get(self, request):
"""
Pass graph data to frontend.
"""
first_datetime_of_update_data, last_datetime_of_update_data = get_data_created_datetime_scope(
)
datamap_format_countries_list, tabular_format_countries_list = \
InstallationStatistics().get_students_per_country()
countries_amount = InstallationStatistics(
).get_students_countries_amount()
context = {
'datamap_countries_list':
json.dumps(datamap_format_countries_list),
'tabular_countries_list':
tabular_format_countries_list,
'top_country':
self.get_statistics_top_country(tabular_format_countries_list),
'countries_amount':
countries_amount,
'first_datetime_of_update_data':
first_datetime_of_update_data,
'last_datetime_of_update_data':
last_datetime_of_update_data
}
return render(request, 'charts/worldmap.html', context)
def test_data_per_period(self):
"""
Verify that data_per_period method annotates by day with trunc and then sums statistics amounts.
"""
result = InstallationStatistics.data_per_period()
self.assertEqual(
([10, 10, 10, 5, 10], [2, 2, 2, 1, 2], [2, 2, 2, 1, 2]), result
)
def test_timeline(self):
"""
Verify that timeline method returns unique existing datetime sorted in descending order.
"""
result = InstallationStatistics.timeline()
self.assertEqual(
['2017-06-01', '2017-06-02', '2017-06-03', '2017-06-04', '2017-06-05'], result
)
def test_student_percentage(self, country_count_in_statistics, all_active_students_in_statistics, expected_result):
"""
Verify that get_student_amount_percentage method returns correct value.
"""
result = InstallationStatistics.get_student_amount_percentage(
country_count_in_statistics, all_active_students_in_statistics
)
self.assertEqual(expected_result, result)
def test_overall_counts(self, mock_get_last_calendar_day):
"""
Verify that overall_counts method returns overall statistics instance counts for previous calendar day.
"""
mock_get_last_calendar_day.return_value = date(2017, 6, 1), date(2017, 6, 2)
result = InstallationStatistics.overall_counts()
self.assertEqual(
(2, 2, 10), result
)
def test_students_per_country_render(self, mock_get_last_calendar_day):
"""
Verify that get_students_per_country method returns data to render correct values.
"""
mock_get_last_calendar_day.return_value = date(2017, 6, 1), date(2017, 6, 2)
datamap_format_countries_list, tabular_format_countries_list = self.create_expected_default_data()
result = InstallationStatistics.get_students_per_country()
self.assertEqual(
(datamap_format_countries_list, tabular_format_countries_list), result
)
def test_students_per_country_as_dict(self, mock_get_last_calendar_day):
"""
Verify that get_students_per_country_stats method returns correct accordance as dict.
"""
mock_get_last_calendar_day.return_value = date(2017, 6, 1), date(2017, 6, 2)
result = InstallationStatistics.get_students_per_country_stats()
country_count_accordance_for_previous_calendar_day = {
'RU': 5264,
'CA': 37086,
'UA': 4022,
'null': 2
}
self.assertDictEqual(country_count_accordance_for_previous_calendar_day, result)
def test_datamap_and_tabular_lists(self):
"""
Verify that view gets datamap and tabular lists with corresponding model method.
Model method is create_students_per_country.
"""
worlds_students_per_country = {
'RU': 5264,
'CA': 37086,
'UA': 4022,
'null': 2
}
datamap_format_countries_list, tabular_format_countries_list = self.create_expected_default_data()
result = InstallationStatistics.create_students_per_country(worlds_students_per_country)
self.assertEqual(
(datamap_format_countries_list, tabular_format_countries_list), result
)