def test_get_areas_accepts_lists():
areas_from_list = broadcast_area_libraries.get_areas([
'ctry19-W92000004',
'ctry19-E92000001',
])
areas_from_args = broadcast_area_libraries.get_areas(
'ctry19-W92000004',
'ctry19-E92000001',
)
assert len(areas_from_args) == len(areas_from_list) == 2
assert areas_from_args == areas_from_list
def test_has_polygons():
england = broadcast_area_libraries.get_areas('ctry19-E92000001')[0]
scotland = broadcast_area_libraries.get_areas('ctry19-S92000003')[0]
assert len(england.polygons) == 35
assert len(scotland.polygons) == 195
assert england.polygons.as_coordinate_pairs_lat_long[0][0] == [
55.811085, -2.034358 # https://goo.gl/maps/wsf2LUWzYinwydMk8
]
def test_estimated_bleed(
area,
expected_bleed_in_m,
expected_bleed_in_degrees,
):
assert close_enough(
broadcast_area_libraries.get_areas(area)[0].estimated_bleed_in_m,
expected_bleed_in_m,
)
assert close_enough(
broadcast_area_libraries.get_areas(area)[0].estimated_bleed_in_degrees,
expected_bleed_in_degrees,
)
def test_phone_density(
area,
expected_phones_per_square_mile,
):
assert close_enough(
broadcast_area_libraries.get_areas(area)[0].phone_density,
expected_phones_per_square_mile,
)
def test_get_names_of_areas():
areas = broadcast_area_libraries.get_areas(
'ctry19-W92000004',
'lad20-W06000014',
'ctry19-E92000001',
)
assert [area.name for area in sorted(areas)] == [
'England', 'Vale of Glamorgan', 'Wales',
]
def test_lat_long_order():
england = broadcast_area_libraries.get_areas('ctry19-E92000001')[0]
lat_long = england.polygons.as_coordinate_pairs_lat_long
long_lat = england.polygons.as_coordinate_pairs_long_lat
assert len(lat_long[0]) == len(long_lat[0]) == 2082 # Coordinates in polygon
assert len(lat_long[0][0]) == len(long_lat[0][0]) == 2 # Axes in coordinates
assert lat_long[0][0] == list(reversed(long_lat[0][0]))
def test_city_of_london_counts_are_not_derived_from_population():
city_of_london = broadcast_area_libraries.get_areas('lad20-E09000001')[0]
assert city_of_london.name == 'City of London'
assert len(city_of_london.sub_areas) == len(CITY_OF_LONDON.WARDS) == 25
for ward in city_of_london.sub_areas:
# The population of the whole City of London is 9,401, so an
# average of 300 per ward. What we’re asserting here is that the
# count of phones is much larger, because it isn’t derived from
# the resident population.
assert ward.count_of_phones > 5_000
def test_loads_areas_from_libraries(id):
assert (
broadcast_area_libraries.get('ctry19').get(id)
) == (
broadcast_area_libraries.get_areas(id)[0]
)
def test_count_of_phones_for_all_levels(area_id, area_name, expected_count):
area = broadcast_area_libraries.get_areas(area_id)[0]
assert area.name == area_name
assert area.count_of_phones == expected_count
def test_electoral_wards_are_groupable_ealing():
areas = broadcast_area_libraries.get_areas(['lad20-E09000009'])
assert len(areas) == 1
ealing = areas[0]
assert len(ealing.sub_areas) == 23
def test_electoral_wards_are_groupable_cardiff():
areas = broadcast_area_libraries.get_areas(['lad20-W06000015'])
assert len(areas) == 1
cardiff = areas[0]
assert len(cardiff.sub_areas) == 29
def test_includes_electoral_wards():
areas = broadcast_area_libraries.get_areas(['wd20-E05009289'])
assert len(areas) == 1
def get_areas(self, areas):
return broadcast_area_libraries.get_areas(*areas)
