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unittests.rb
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# Tests for the chop.rb and stitch.rb methods
require 'json'
require 'test/unit'
require 'tmpdir'
require_relative 'chop'
require_relative 'stitch'
require_relative 'constants'
module LogStash
# Mirrors the functionality of the builtin LogStash::Event class
class Event
def initialize(**args)
@hash = args
end
def get(key)
@hash[key.to_sym]
end
def set(key, value)
@hash[key.to_sym] = value
end
def to_s
@hash
end
end
end
# This is test data for the trip, route, and stop data. Its an arbitrary data element from each
# Its used in the load data tests.
VALIDATION_DATA = {
'trips' =>
[
'trip_data', # data file name
2_412_396, # valid trip id (same as validation data)
2_513_148, # invaid trip id
{
'route_id' => 11_745, # validation data
'service_id' => 3,
'trip_id' => 2_412_396,
'trip_headsign' => 'YW PATAPSCO LR',
'trip_short_name' => nil,
'direction_id' => 0,
'block_id' => 380_031,
'shape_id' => 113_483,
'wheelchair_accessible' => 1,
'bikes_allowed' => 1
}
],
'routes' =>
[
'route_data',
11_739,
11_637,
{
'route_id' => 11_739,
'agency_id' => 1,
'route_short_name' => 'CityLink NAVY',
'route_long_name' => 'MONDAWMIN - DUNDALK',
'route_desc' => nil,
'route_type' => 3,
'route_url' => nil,
'route_color' => '0000FF',
'route_text_color' => 'D2D9D3'
}
],
'stops' =>
[
'stop_data',
13_704,
9375,
{
'stop_id' => 13_704,
'stop_code' => 13_704,
'stop_name' => 'EDENVALE RD & FARRINGDON RD nb',
'stop_desc' => nil,
'stop_lat' => 39.372859,
'stop_lon' => -76.671617,
'zone_id' => nil,
'stop_url' => nil,
'location_type' => nil,
'parent_station' => nil,
'stop_timezone' => nil,
'wheelchair_boarding' => 0
}
],
'bus_trip_data' => {
2_395_665 => {
39 => {
'distance' => 14.8274,
'actual_arrival_time' => 1_573_414_737
},
40 => {
'distance' => 16.6596,
'actual_arrival_time' => 1_573_414_879
},
41 => {
'distance' => 17.0002,
'actual_arrival_time' => 1_573_414_905
},
42 => {
'distance' => 19.6611,
'actual_arrival_time' => 1_573_415_137
}
}
}
}.freeze
def pull_gtfs_data
system('./gtfsdownloader.sh')
end
# unit tests for bus tracking
class TestTransitTrak < Test::Unit::TestCase
def _validate(valid_test_data, invalid_test_data, validation_data)
assert_not_nil(valid_test_data)
assert_nil(invalid_test_data)
validation_data.each_key do |key|
assert_equal(valid_test_data[key], validation_data[key])
end
end
def test_load_data_trips
pull_gtfs_data
Dir.mktmpdir do |dir|
tmp_data = "#{dir}/#{VALIDATION_DATA['trips'][0]}"
data = load_data(tmp_data, TRIPS_FILE)
_validate(get_gtfs_trip(VALIDATION_DATA['trips'][1], data),
get_gtfs_trip(VALIDATION_DATA['trips'][2], data),
VALIDATION_DATA['trips'][3])
data = load_data(tmp_data, '')
_validate(get_gtfs_trip(VALIDATION_DATA['trips'][1], data),
get_gtfs_trip(VALIDATION_DATA['trips'][2], data),
VALIDATION_DATA['trips'][3])
end
end
def test_load_data_routes
pull_gtfs_data
Dir.mktmpdir do |dir|
tmp_data = "#{dir}/#{VALIDATION_DATA['routes'][0]}"
data = load_data(tmp_data, ROUTES_FILE)
_validate(get_gtfs_route(VALIDATION_DATA['routes'][1], data),
get_gtfs_route(VALIDATION_DATA['routes'][2], data),
VALIDATION_DATA['routes'][3])
data = load_data(tmp_data, '')
_validate(get_gtfs_route(VALIDATION_DATA['routes'][1], data),
get_gtfs_route(VALIDATION_DATA['routes'][2], data),
VALIDATION_DATA['routes'][3])
end
end
def test_load_data_stops
pull_gtfs_data
Dir.mktmpdir do |dir|
tmp_data = "#{dir}/#{VALIDATION_DATA['stops'][0]}"
data = load_data(tmp_data, STOPS_FILE)
_validate(get_gtfs_stop(VALIDATION_DATA['stops'][1], data),
get_gtfs_stop(VALIDATION_DATA['stops'][2], data),
VALIDATION_DATA['stops'][3])
data = load_data(tmp_data, '')
_validate(get_gtfs_stop(VALIDATION_DATA['stops'][1], data),
get_gtfs_stop(VALIDATION_DATA['stops'][2], data),
VALIDATION_DATA['stops'][3])
end
end
def test_load_stop_times
pull_gtfs_data
validate_st = lambda do |stop_times|
assert_not_nil(stop_times['2398318-23'])
assert_nil(stop_times['2398318-200'])
assert_equal(stop_times['2398318-23']['arrival_time'], ' 7:43:00')
end
Dir.mktmpdir do |dir|
tmp_data = "#{dir}/stop_time_data"
validate_st.call(load_stop_times(tmp_data, STOP_TIMES_FILE))
validate_st.call(load_stop_times(tmp_data, ''))
end
end
def test_normalize_local_date
assert_equal(1_577_759_192, normalize_local_date('21:26:32', '2019/12/30'))
assert_equal(1_573_262_300, normalize_local_date('20:18:20', '2019/11/8'))
assert_equal(1_573_286_016, normalize_local_date('2:53:36', '2019/11/9'))
assert_equal(1_573_295_408, normalize_local_date('5:30:08', '2019/11/9'))
assert_equal(1_573_309_500, normalize_local_date('9:25:00', '2019/11/9'))
assert_equal(1_546_408_923, normalize_local_date(' 1:2:3', '19/1/2'))
assert_equal(1_548_910_800, normalize_local_date(' 0:0:0', '2019/1/31'))
assert_raise(ArgumentError) { normalize_local_date('00:00:00', '2019/01/32') }
# DST example
assert_equal(1_562_030_792, normalize_local_date('21:26:32', '2019/7/1'))
end
def test_normalize_local_date_utc
ENV['TZ'] = 'utc'
assert_equal(1_577_759_192, normalize_local_date('21:26:32', '2019/12/30'))
assert_equal(1_573_262_300, normalize_local_date('20:18:20', '2019/11/8'))
assert_equal(1_573_286_016, normalize_local_date('2:53:36', '2019/11/9'))
assert_equal(1_573_295_408, normalize_local_date('5:30:08', '2019/11/9'))
assert_equal(1_573_309_500, normalize_local_date('9:25:00', '2019/11/9'))
assert_equal(1_546_408_923, normalize_local_date(' 1:2:3', '19/1/2'))
assert_equal(1_548_910_800, normalize_local_date(' 0:0:0', '2019/1/31'))
assert_raise(ArgumentError) { normalize_local_date('00:00:00', '2019/01/32') }
ENV['TZ'] = 'US/Eastern'
end
def test_process_canceled_trips
Dir.mktmpdir do |dir|
@routes = load_data("#{dir}/routes_data", ROUTES_FILE)
@trips = load_data("#{dir}/trips_data", TRIPS_FILE)
@stops = load_data("#{dir}/stop_data", STOPS_FILE)
@stop_times = load_stop_times("#{dir}/stoptimes_data", STOP_TIMES_FILE)
content = File.read('test_data/canceled.json')
trip_update = JSON.parse(content)
results_array = []
process_canceled_trip(trip_update['entity'], results_array)
assert_equal(results_array.length, 61)
# Arbitrary element to check
assert_equal(results_array[41].get(:aggregate_id), '2408865-20191109-138')
assert_equal(results_array[41].get(:route_id), 11_739)
assert_equal(results_array[41].get(:trip_id), 2_408_865)
assert_equal(results_array[41].get(:stop_id), 138)
assert_equal(results_array[41].get(:stop_sequence), 42)
assert_equal(results_array[41].get(:route_short_name), 'CityLink NAVY')
assert_equal(results_array[41].get(:route_long_name), 'MONDAWMIN - DUNDALK')
assert_equal(results_array[41].get(:route_color), '0000FF')
assert_equal(results_array[41].get(:route_text_color), 'D2D9D3')
assert_equal(results_array[41].get(:shape_id), '113433')
assert_equal(results_array[41].get(:trip_headsign), 'NV MONDAWMIN METRO')
assert_equal(results_array[41].get(:trip_short_name), nil)
assert_equal(results_array[41].get(:direction_id), 0)
assert_equal(results_array[41].get(:route_desc), nil)
assert_equal(results_array[41].get(:route_type), 3)
assert_equal(results_array[41].get(:stop_desc), nil)
assert_equal(results_array[41].get(:stop_name), 'CAREY ST & EDMONDSON AVE nb')
assert_equal(results_array[41].get(:stop_lat), 39.295252)
assert_equal(results_array[41].get(:stop_lon), -76.638429)
assert_equal(results_array[41].get(:scheduled_arrival_time), 1_573_319_342)
assert_equal(results_array[41].get(:actual_arrival_time), 0)
assert_equal(results_array[41].get(:actual_arrival_time_dow), 0)
assert_equal(results_array[41].get(:actual_arrival_time_hour), 0)
assert_equal(results_array[41].get(:arrival_time_diff), 0)
assert_equal(results_array[41].get(:shape_dist_traveled), 13.5846)
assert_equal(results_array[41].get(:schedule_relationship), CANCELED)
end
end
def test_process_scheduled_trips
Dir.mktmpdir do |dir|
@routes = load_data("#{dir}/routes_data", ROUTES_FILE)
@trips = load_data("#{dir}/trips_data", TRIPS_FILE)
@stops = load_data("#{dir}/stop_data", STOPS_FILE)
@stop_times = load_stop_times("#{dir}/stoptimes_data", STOP_TIMES_FILE)
content = File.read('test_data/scheduled.json')
entity = JSON.parse(content)
results_array = []
process_scheduled_trips(entity['entity'], results_array)
assert_equal(results_array.length, 61)
# Arbitrary element to check
assert_equal(results_array[41].get(:aggregate_id), '2393125-20191109-5903')
assert_equal(results_array[41].get(:route_id), 11_652)
assert_equal(results_array[41].get(:trip_id), 2_393_125)
assert_equal(results_array[41].get(:stop_id), 5903)
assert_equal(results_array[41].get(:stop_sequence), 42)
assert_equal(results_array[41].get(:route_short_name), '53')
assert_equal(results_array[41].get(:route_long_name), 'STATE CENTER - TOWSON')
assert_equal(results_array[41].get(:route_color), '879A8C')
assert_equal(results_array[41].get(:route_text_color), 'FFFFFF')
assert_equal(results_array[41].get(:shape_id), '112912')
assert_equal(results_array[41].get(:trip_headsign), '53 SHEPPARD PRATT')
assert_equal(results_array[41].get(:trip_short_name), nil)
assert_equal(results_array[41].get(:direction_id), 1)
assert_equal(results_array[41].get(:route_desc), nil)
assert_equal(results_array[41].get(:route_type), 3)
assert_equal(results_array[41].get(:stop_desc), nil)
assert_equal(results_array[41].get(:stop_name), 'THE ALAMEDA & NORTHWOOD DR fs nb')
assert_equal(results_array[41].get(:stop_lat), 39.356329)
assert_equal(results_array[41].get(:stop_lon), -76.596025)
assert_equal(results_array[41].get(:scheduled_arrival_time), 1_573_325_260)
assert_equal(results_array[41].get(:actual_arrival_time), 1_573_325_292)
assert_equal(results_array[41].get(:actual_arrival_time_dow), 6)
assert_equal(results_array[41].get(:actual_arrival_time_hour), 13)
assert_equal(results_array[41].get(:arrival_time_diff), 32)
assert_equal(results_array[41].get(:shape_dist_traveled), 8.9965)
assert_equal(results_array[41].get(:schedule_relationship), SCHEDULED)
end
end
def test_find_last_stop
btd = VALIDATION_DATA['bus_trip_data'][2_395_665]
assert_equal([nil, nil], find_last_stop(btd, 0))
assert_equal([nil, nil], find_last_stop(btd, 38))
assert_equal([nil, nil], find_last_stop(btd, 39))
assert_equal([14.8274, 1_573_414_737], find_last_stop(btd, 40))
assert_equal([16.6596, 1_573_414_879], find_last_stop(btd, 41))
assert_equal([17.0002, 1_573_414_905], find_last_stop(btd, 42))
assert_equal([19.6611, 1_573_415_137], find_last_stop(btd, 43))
assert_equal([19.6611, 1_573_415_137], find_last_stop(btd, 50))
assert_equal([19.6611, 1_573_415_137], find_last_stop(btd, 100))
end
def test_postprocess_data
# Create test data with the last few stops to use
@bus_trip_data = VALIDATION_DATA['bus_trip_data']
distance_delta = 0.1598
time_delta = 100
# Make up a 43rd stop
event = LogStash::Event.new(
'shape_dist_traveled': VALIDATION_DATA['bus_trip_data'][2_395_665][42]['distance'] + distance_delta,
'actual_arrival_time': VALIDATION_DATA['bus_trip_data'][2_395_665][42]['actual_arrival_time'] + time_delta
)
postprocess_data(event, 2_395_665, 43)
assert_equal(event.get('shape_dist_traveled_since_prev').round(4), distance_delta)
assert_equal(event.get('time_since_last_stop'), time_delta)
assert_equal(event.get('segment_speed').round(4), distance_delta * 3600 / time_delta)
end
end