osrm-backend/scripts/ci/locustfile.py
2024-06-05 21:39:10 +02:00

75 lines
2.9 KiB
Python

from locust import HttpUser, TaskSet, task, between
import csv
import random
from collections import defaultdict
import os
class OSRMTasks(TaskSet):
def on_start(self):
random.seed(42)
self.coordinates = []
self.tracks = defaultdict(list)
gps_traces_file_path = os.path.expanduser('~/gps_traces.csv')
with open(gps_traces_file_path, 'r') as file:
reader = csv.DictReader(file)
for row in reader:
coord = (float(row['Latitude']), float(row['Longitude']))
self.coordinates.append(coord)
self.tracks[row['TrackID']].append(coord)
self.track_ids = list(self.tracks.keys())
@task
def get_route(self):
start = random.choice(self.coordinates)
end = random.choice(self.coordinates)
start_coord = f"{start[1]:.6f},{start[0]:.6f}"
end_coord = f"{end[1]:.6f},{end[0]:.6f}"
self.client.get(f"/route/v1/driving/{start_coord};{end_coord}?overview=full&steps=true", name="route")
@task
def get_table(self):
num_coords = random.randint(3, 100)
selected_coords = random.sample(self.coordinates, num_coords)
coords_str = ";".join([f"{coord[1]:.6f},{coord[0]:.6f}" for coord in selected_coords])
self.client.get(f"/table/v1/driving/{coords_str}", name="table")
@task
def get_match(self):
num_coords = random.randint(50, 100)
track_id = random.choice(self.track_ids)
track_coords = self.tracks[track_id][:num_coords]
coords_str = ";".join([f"{coord[1]:.6f},{coord[0]:.6f}" for coord in track_coords])
radiues_str = ";".join([f"{random.randint(5, 20)}" for _ in range(len(track_coords))])
with self.client.get(f"/match/v1/driving/{coords_str}?steps=true&radiuses={radiues_str}", name="match", catch_response=True) as response:
if response.status_code == 400:
j = response.json()
# it is expected that some of requests will fail with such error: map matching fails sometimes
if j['code'] == 'NoSegment' or j['code'] == 'NoMatch':
response.success()
@task
def get_nearest(self):
coord = random.choice(self.coordinates)
coord_str = f"{coord[1]:.6f},{coord[0]:.6f}"
self.client.get(f"/nearest/v1/driving/{coord_str}", name="nearest")
@task
def get_trip(self):
num_coords = random.randint(2, 10)
selected_coords = random.sample(self.coordinates, num_coords)
coords_str = ";".join([f"{coord[1]:.6f},{coord[0]:.6f}" for coord in selected_coords])
self.client.get(f"/trip/v1/driving/{coords_str}?steps=true", name="trip")
class OSRMUser(HttpUser):
tasks = [OSRMTasks]
# random wait time between requests to not load server for 100%
wait_time = between(0.05, 0.5)