def test_subscribe_with_existing_sensor():
# create an unrelated sensor pico
child_name = "test-existing"
root_eci = "XQZfq3v86HdaNE3PXHxeow"
url = picos.event_url(root_eci, "existing_sensor", "wrangler",
"child_creation")
ok, r = picos.post(url,
data={
"name":
child_name,
"rids": [
"xandroxygen.temperature_store",
"xandroxygen.wovyn_base",
"xandroxygen.sensor_profile",
"io.picolabs.subscription"
]
})
assert ok == True
# get the eci and name of the newly created sensor
pico_details = r.content["directives"][0]["options"]["pico"]
child_eci = pico_details["eci"]
assert child_name == pico_details["name"]
# wait for everything to finish
sleep(2)
url = picos.event_url(manager_eci, "existing_sensor", "sensor",
"existing_sensor")
ok, r = picos.post(url, data={"name": child_name, "eci": child_eci})
assert ok == True
# check that the subscription was created
sleep(2)
assert len(subscriptions()) > 0
def run_pico_based_systems_test(manager_eci, reset=True):
if reset:
# Undo the last test
reset_pico_based_systems_test(manager_eci)
# Create 5 picos, generating a series of random heartbeats for each
print("Generating 5 picos...")
add_url = picos.event_url(manager_eci, "add-sensor", "sensor",
"new_sensor")
for i in range(1, 6):
ok, r = picos.post(add_url, data={"sensor_id": i})
if not ok:
print(r)
return False
eci = r.content["directives"][0]["options"]["pico"]["eci"]
if eci is None:
return False
print("Populating %d with heartbeat data" % i)
heartbeat_url = picos.event_url(eci, "mock-heartbeat", "wovyn",
"heartbeat")
for temp in range(10):
ok, r = picos.post(heartbeat_url,
data=mock_heartbeat(random.uniform(1.0, 70.0)))
if not ok:
print(r)
return False
if i == 1:
print("Sending threshold violating heartbeat data to %d" % i)
ok, r = picos.post(heartbeat_url, data=mock_heartbeat(100.0))
if not ok:
print(r)
return False
# Wait for a bit
print("Check results!")
time.sleep(10)
# Delete a sensor pico
#print("Deleting sensor pico randomly...")
#remove_url = picos.event_url(manager_eci, "remove-sensor", "sensor", "unneeded_sensor")
#ok, r = picos.post(remove_url, data={"sensor_id": random.randint(1,5)})
#if not ok:
# print(r)
# return False
# Wait for a bit
#print("Check results!")
#time.sleep(10)
# Get the temperature values for all sensors with the sensor manager
temperature_url = picos.api_url(manager_eci, "manage_sensors",
"temperatures")
ok, r = picos.get(temperature_url)
print(r)
def delete_existing_subscription(child_eci, root_eci, child_name):
# delete subscription
url = picos.event_url(child_eci, "delete", "wrangler",
"subscription_cancelled")
ok, r = picos.post(url)
# delete extra sensor pico
url = picos.event_url(root_eci, "delete", "wrangler", "child_deletion")
ok, r = picos.post(url, data={"name": child_name})
assert ok == True
def cleanup():
sleep(0.5)
sensors = sensor_names()
# delete subscriptions
delete_subscriptions()
# delete sensors
sleep(0.5)
url = picos.event_url(manager_eci, "unneeded_sensor", "sensor",
"unneeded_sensor")
for name in sensors:
picos.post(url, data={"name": name})
def delete_subscriptions():
url = picos.event_url(manager_eci, "delete", "sensor",
"delete_subscriptions")
ok, r = picos.post(url)
if not ok:
raise Exception("Call to `delete subscriptions` failed.")
return r.content
def request_temp_report():
report_url = picos.event_url(manager_eci, "report", "sensor",
"temperature_report")
ok, r = picos.post(report_url)
if not ok:
raise Exception("Call to `temperature_report` failed.")
return r.content["directives"][0]["options"]["correlation_id"]
def reset_pico_based_systems_test(manager_eci):
print("Cleaning up from last test...")
url = picos.event_url(manager_eci, "remove-sensor", "sensor", "unneeded_sensor")
for i in range(1,6):
print("Removing pico sensor %d" % i)
ok, r = picos.post(url, data={"sensor_id": i})
if not ok:
print(r)
return True
def add_temp_reading(eci,
temp=float(format(random.uniform(10.0, 18.0), '.2f'))):
heartbeat_url = picos.event_url(eci, "temp-reading", "wovyn",
"new_temperature_reading")
return picos.post(heartbeat_url,
data={
"temperature": temp,
"timestamp": "now/test"
})
def gossip_resume(eci):
url = picos.event_url(eci, "stop", "gossip", "process")
return picos.post(url, data={"status": "on"})
def gossip_init(eci):
url = picos.event_url(eci, "init", "gossip", "init")
return picos.post(url)
def create_child(name="test"):
url = picos.event_url(manager_eci, "new_sensor", "sensor", "new_sensor")
return picos.post(url, data={"name": name})