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266 lines
6.9 KiB
Python
266 lines
6.9 KiB
Python
import pytest
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from app.broadcast_areas import (
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BroadcastAreasRepository,
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broadcast_area_libraries,
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)
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from app.broadcast_areas.populations import (
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CITY_OF_LONDON,
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estimate_number_of_smartphones_for_population,
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)
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def test_loads_libraries():
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assert [
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(library.id, library.name, library.is_group) for library in sorted(broadcast_area_libraries)
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] == [
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(
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'ctry19',
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'Countries',
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False,
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),
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(
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'wd20-lad20-ctyua19',
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'Local authorities',
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True,
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),
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]
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def test_loads_areas_from_library():
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assert [
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(area.id, area.name) for area in sorted(
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broadcast_area_libraries.get('ctry19')
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)
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] == [
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('ctry19-E92000001', 'England'),
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('ctry19-N92000002', 'Northern Ireland'),
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('ctry19-S92000003', 'Scotland'),
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('ctry19-W92000004', 'Wales'),
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]
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def test_examples():
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countries = broadcast_area_libraries.get('ctry19').get_examples()
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assert countries == 'England, Northern Ireland, Scotland and Wales'
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wards = broadcast_area_libraries.get('wd20-lad20-ctyua19').get_examples()
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assert wards == 'Aberdeen City, Aberdeenshire, Adur and 391 more…'
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@pytest.mark.parametrize('id', (
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'ctry19-E92000001',
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'ctry19-N92000002',
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'ctry19-S92000003',
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'ctry19-W92000004',
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pytest.param('mercia', marks=pytest.mark.xfail(raises=KeyError)),
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))
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def test_loads_areas_from_libraries(id):
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assert (
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broadcast_area_libraries.get('ctry19').get(id)
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) == (
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broadcast_area_libraries.get_areas(id)[0]
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)
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def test_get_names_of_areas():
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areas = broadcast_area_libraries.get_areas(
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'ctry19-W92000004',
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'lad20-W06000014',
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'ctry19-E92000001',
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)
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assert [area.name for area in sorted(areas)] == [
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'England', 'Vale of Glamorgan', 'Wales',
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]
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def test_get_areas_accepts_lists():
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areas_from_list = broadcast_area_libraries.get_areas(
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[
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'ctry19-W92000004',
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'ctry19-E92000001',
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]
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)
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areas_from_args = broadcast_area_libraries.get_areas(
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'ctry19-W92000004',
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'ctry19-E92000001',
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)
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assert len(areas_from_args) == len(areas_from_list) == 2
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assert areas_from_args == areas_from_list
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def test_has_polygons():
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england = broadcast_area_libraries.get_areas('ctry19-E92000001')[0]
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scotland = broadcast_area_libraries.get_areas('ctry19-S92000003')[0]
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assert len(england.polygons) == 35
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assert len(scotland.polygons) == 195
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assert england.polygons.as_coordinate_pairs_lat_long[0][0] == [
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55.811085, -2.034358 # https://goo.gl/maps/wsf2LUWzYinwydMk8
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]
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def test_polygons_are_enclosed():
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england = broadcast_area_libraries.get('ctry19').get('ctry19-E92000001')
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first_polygon = england.polygons.as_coordinate_pairs_lat_long[0]
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assert first_polygon[0] != first_polygon[1] != first_polygon[2]
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assert first_polygon[0] == first_polygon[-1]
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def test_lat_long_order():
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england = broadcast_area_libraries.get_areas('ctry19-E92000001')[0]
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lat_long = england.polygons.as_coordinate_pairs_lat_long
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long_lat = england.polygons.as_coordinate_pairs_long_lat
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assert len(lat_long[0]) == len(long_lat[0]) == 2082 # Coordinates in polygon
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assert len(lat_long[0][0]) == len(long_lat[0][0]) == 2 # Axes in coordinates
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assert lat_long[0][0] == list(reversed(long_lat[0][0]))
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def test_includes_electoral_wards():
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areas = broadcast_area_libraries.get_areas(['wd20-E05009289'])
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assert len(areas) == 1
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def test_electoral_wards_are_groupable_cardiff():
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areas = broadcast_area_libraries.get_areas(['lad20-W06000015'])
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assert len(areas) == 1
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cardiff = areas[0]
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assert len(cardiff.sub_areas) == 29
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def test_electoral_wards_are_groupable_ealing():
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areas = broadcast_area_libraries.get_areas(['lad20-E09000009'])
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assert len(areas) == 1
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ealing = areas[0]
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assert len(ealing.sub_areas) == 23
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def test_repository_has_all_libraries():
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repo = BroadcastAreasRepository()
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libraries = repo.get_libraries()
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assert len(libraries) == 2
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assert [
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('Countries', 'country'),
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('Local authorities', 'local authority'),
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] == [(name, name_singular) for _, name, name_singular, _is_group in libraries]
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@pytest.mark.parametrize('library', (
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broadcast_area_libraries
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))
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def test_every_area_has_count_of_phones(library):
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for area in library:
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assert area.count_of_phones > 0
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@pytest.mark.parametrize('area_id, area_name, expected_count', (
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# Unitary authority
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('ctyua19-E10000014', 'Hampshire', 853_594.48),
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# District
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('lad20-E07000087', 'Fareham', 81_970.06),
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# Ward
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('wd20-E05004516', 'Fareham East', 5_684.9),
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# Unitary authority
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('lad20-E09000012', 'Hackney', 222_578.0),
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# Ward
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('wd20-E05009373', 'Hackney Downs', 11_321.169999999998),
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# Special case: ward with hard-coded population
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('wd20-E05011090', 'Bryher', 76.44),
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# Areas with missing data
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('lad20-E07000008', 'Cambridge', 0),
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('lad20-E07000084', 'Basingstoke and Deane', 0),
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('lad20-E07000118', 'Chorley', 0),
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('lad20-E07000178', 'Oxford', 0),
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))
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def test_count_of_phones_for_all_levels(area_id, area_name, expected_count):
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area = broadcast_area_libraries.get_areas(area_id)[0]
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assert area.name == area_name
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assert area.count_of_phones == expected_count
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def test_city_of_london_counts_are_not_derived_from_population():
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city_of_london = broadcast_area_libraries.get_areas('lad20-E09000001')[0]
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assert city_of_london.name == 'City of London'
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assert len(city_of_london.sub_areas) == len(CITY_OF_LONDON.WARDS) == 25
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for ward in city_of_london.sub_areas:
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# The population of the whole City of London is 9,401, so an
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# average of 300 per ward. What we’re asserting here is that the
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# count of phones is much larger, because it isn’t derived from
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# the resident population.
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assert ward.count_of_phones > 5_000
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@pytest.mark.parametrize('population, expected_estimate', (
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# Upper and lower bounds of each age range
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(
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[(0, 100)], 50,
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),
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(
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[(16, 100)], 100
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),
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(
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[(24, 100)], 100,
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),
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(
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[(25, 100)], 97,
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),
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(
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[(34, 100)], 97,
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),
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(
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[(35, 100)], 91
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),
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(
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[(44, 100)], 91,
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),
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(
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[(45, 100)], 88
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),
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(
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[(54, 100)], 88,
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),
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(
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[(55, 100)], 73
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),
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(
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[(64, 100)], 73,
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),
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(
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[(65, 100)], 40
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),
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(
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[(999, 100)], 40,
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),
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# Multiple different ages in a single popualtion
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(
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[(16, 100), (54, 100)], 188
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),
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(
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[(1, 1000), (66, 100)], 540
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),
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))
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def test_estimate_number_of_smartphones_for_population(
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population, expected_estimate,
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):
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assert estimate_number_of_smartphones_for_population(
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population
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) == expected_estimate
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