def test_static_data_reaches_file(docker_compose):
producer = create_producer()
sleep(10)
# Start file writing
job_id = publish_run_start_message(
producer,
"commands/nexus_structure_static.json",
"output_file_static.nxs",
start_time=int(docker_compose),
)
# Give it some time to accumulate data
sleep(10)
# Stop file writing
publish_run_stop_message(producer, job_id=job_id)
filepath = "output-files/output_file_static.nxs"
with OpenNexusFileWhenAvailable(filepath) as file:
assert not file.swmr_mode
assert file["entry/start_time"][()] == "2016-04-12T02:58:52"
assert file["entry/end_time"][()] == "2016-04-12T03:29:11"
assert file["entry/duration"][()] == 1817.0
assert file["entry/features"][0] == 10138143369737381149
assert file["entry/user_1/affiliation"][()] == "ISIS, STFC"
assert np.allclose(
file["entry/instrument/monitor1/transformations/location"].
attrs["vector"],
np.array([0.0, 0.0, -1.0]),
)
assert (file["entry/instrument/monitor1/transformations/location"].
attrs["transformation_type"] == "translation")
def test_data_reaches_file(docker_compose_fw):
producer = create_producer()
sleep(20)
# Start file writing
send_writer_command(
os.path.join("filewriter_tests", "commands",
"example-json-command.json"),
producer,
start_time=docker_compose_fw,
)
producer.flush()
# Give it some time to accumulate data
sleep(10)
# Stop file writing
send_writer_command(
os.path.join("filewriter_tests", "commands", "stop-command.json"),
producer)
sleep(10)
send_writer_command(
os.path.join("filewriter_tests", "commands", "writer-exit.json"),
producer)
producer.flush()
filepath = os.path.join("filewriter_tests", "output-files",
"output_file.nxs")
with OpenNexusFileWhenAvailable(filepath) as file:
# Static checks
assert not file.swmr_mode
assert file["entry/start_time"][...] == "2016-04-12T02:58:52"
assert file["entry/end_time"][...] == "2016-04-12T03:29:11"
assert file["entry/duration"][...] == 1817.0
assert file["entry/features"][0] == 10138143369737381149
assert file["entry/user_1/affiliation"][...] == "ISIS, STFC"
assert np.allclose(
file["entry/instrument/monitor1/transformations/location"].
attrs["vector"],
np.array([0.0, 0.0, -1.0]),
)
assert (file["entry/instrument/monitor1/transformations/location"].
attrs["transformation_type"] == "translation")
# Streamed checks
# Ev42 event data (Detector_1)
assert file["entry/detector_1_events/event_id"][0] == 99406
assert file["entry/detector_1_events/event_id"][1] == 98345
# f142 Sample env (Sample)
assert np.isclose(
21.0, file["entry/sample/sample_env_logs/Det_Temp_RRB/value"][0])
def test_two_different_writer_modules_with_same_flatbuffer_id(docker_compose):
producer = create_producer()
start_time = unix_time_milliseconds(datetime.utcnow()) - 10000
for i in range(10):
publish_f142_message(
producer,
"TEST_sampleEnv",
int(start_time + i * 1000),
source_name="test_source_1",
)
publish_f142_message(
producer,
"TEST_sampleEnv",
int(start_time + i * 1000),
source_name="test_source_2",
)
check(producer.flush(5) == 0, "Unable to flush kafka messages.")
# Start file writing
publish_run_start_message(
producer,
"commands/nexus_structure_multiple_modules.json",
"output_file_multiple_modules.nxs",
start_time=int(start_time),
stop_time=int(start_time + 5 * 1000),
)
# Give it some time to accumulate data
sleep(10)
filepath = "output-files/output_file_multiple_modules.nxs"
with OpenNexusFileWhenAvailable(filepath) as file:
assert (
len(file["entry/sample/dataset1/time"][:]) > 0
and len(file["entry/sample/dataset1/value"][:]) > 0
), "f142 module should have written this dataset, it should have written a value and time"
assert (
"cue_timestamp_zero" not in file["entry/sample/dataset2"]
), "f142_test module should have written this dataset, it writes cue_index but no cue_timestamp_zero"
assert (len(file["entry/sample/dataset2/cue_index"][:]) >
0), "Expected index values, found none."
for i in range(len(file["entry/sample/dataset2/cue_index"][:])):
assert (file["entry/sample/dataset2/cue_index"][i] == i
), "Expect consecutive integers to be written by f142_test"
def test_long_run(docker_compose_long_running):
producer = create_producer()
sleep(20)
# Start file writing
send_writer_command(
os.path.join("filewriter_tests", "commands", "longrunning.json"),
producer,
topic="TEST_writerCommandLR",
start_time=docker_compose_long_running,
)
producer.flush()
sleep(10)
# Minimum length of the test is determined by (pv_updates * 3) + 10 seconds
pv_updates = 6000
# range is exclusive of the last number, so in order to get 1 to pv_updates we need to use pv_updates+1
for i in range(1, pv_updates + 1):
change_pv_value("SIMPLE:DOUBLE", i)
sleep(3)
send_writer_command(
os.path.join("filewriter_tests", "commands", "stop-command-lr.json"),
producer,
topic="TEST_writerCommandLR",
)
producer.flush()
sleep(30)
filepath = os.path.join("filewriter_tests", "output-files",
"output_file_lr.nxs")
with OpenNexusFileWhenAvailable(filepath) as file:
counter = 1
# check values are contiguous
for value in file["entry/cont_data/value"]:
assert isclose(value, counter)
counter += 1
# check that the last value is the same as the number of updates
assert counter == pv_updates + 1
with open(os.path.join("logs", "lr_status_messages.log"), "w+") as file:
status_messages = consume_everything("TEST_writerStatus")
for msg in status_messages:
file.write(str(msg.value(), encoding="utf-8") + "\n")
def test_static_data_reaches_file(docker_compose_fw):
producer = create_producer()
sleep(20)
# Start file writing
send_writer_command(
os.path.join("filewriter_tests", "commands", "static-data-add.json"),
producer,
start_time=docker_compose_fw,
)
producer.flush()
# Give it some time to accumulate data
sleep(10)
# Stop file writing
send_writer_command(
os.path.join("filewriter_tests", "commands", "static-data-stop.json"), producer
)
sleep(10)
send_writer_command(
os.path.join("filewriter_tests", "commands", "writer-exit.json"), producer
)
producer.flush()
filepath = os.path.join(
"filewriter_tests", "output-files", "output_file_static.nxs"
)
with OpenNexusFileWhenAvailable(filepath) as file:
assert not file.swmr_mode
assert file["entry/start_time"].value == "2016-04-12T02:58:52"
assert file["entry/end_time"].value == "2016-04-12T03:29:11"
assert file["entry/duration"].value == 1817.0
assert file["entry/features"][0] == 10138143369737381149
assert file["entry/user_1/affiliation"].value == "ISIS, STFC"
assert np.allclose(
file["entry/instrument/monitor1/transformations/location"].attrs["vector"],
np.array([0.0, 0.0, -1.0]),
)
assert (
file["entry/instrument/monitor1/transformations/location"].attrs[
"transformation_type"
]
== "translation"
)
def test_ep00(docker_compose):
producer = create_producer()
topic = "TEST_epicsConnectionStatus"
sleep(10)
# Start file writing
job_id = publish_run_start_message(
producer,
"commands/nexus_structure_epics_status.json",
"output_file_ep00.nxs",
start_time=current_unix_time_ms(),
)
sleep(5)
first_timestamp = current_unix_time_ms()
publish_ep00_message(producer, topic, EventType.NEVER_CONNECTED,
first_timestamp)
second_timestamp = current_unix_time_ms()
publish_ep00_message(producer,
topic,
EventType.CONNECTED,
kafka_timestamp=second_timestamp)
# Give it some time to accumulate data
sleep(10)
# Stop file writing
publish_run_stop_message(producer,
job_id,
stop_time=current_unix_time_ms())
filepath = "output-files/output_file_ep00.nxs"
with OpenNexusFileWhenAvailable(filepath) as file:
assert file["EpicsConnectionStatus/connection_status_time"][
0] == milliseconds_to_nanoseconds(first_timestamp)
assert file["EpicsConnectionStatus/connection_status"][
0] == b"NEVER_CONNECTED"
assert file["EpicsConnectionStatus/connection_status_time"][
1] == milliseconds_to_nanoseconds(second_timestamp)
assert file["EpicsConnectionStatus/connection_status"][
1] == b"CONNECTED"
def test_long_run(docker_compose_long_running):
producer = create_producer()
sleep(20)
# Start file writing
job_id = publish_run_start_message(
producer,
"commands/nexus_structure_long_running.json",
nexus_filename="output_file_lr.nxs",
topic="TEST_writerCommandLR",
start_time=int(docker_compose_long_running),
)
sleep(10)
# Minimum length of the test is determined by (pv_updates * 3) + 10 seconds
pv_updates = 6000
# range is exclusive of the last number, so in order to get 1 to pv_updates we need to use pv_updates+1
for i in range(1, pv_updates + 1):
change_pv_value("SIMPLE:DOUBLE", i)
sleep(3)
publish_run_stop_message(producer,
job_id=job_id,
topic="TEST_writerCommandLR")
sleep(30)
filepath = "output-files/output_file_lr.nxs"
with OpenNexusFileWhenAvailable(filepath) as file:
counter = 1
# check values are contiguous
for value in file["entry/cont_data/value"]:
assert isclose(value, counter)
counter += 1
# check that the last value is the same as the number of updates
assert counter == pv_updates + 1
with open("logs/lr_status_messages.log", "w+") as file:
status_messages = consume_everything("TEST_writerStatus")
for msg in status_messages:
file.write(str(deserialise_x5f2(msg.value())) + "\n")
stop_time = 1_560_330_000_148
# Ask to write 147 messages from the middle of the 200 messages we published
publish_run_start_message(
producer,
"commands/nexus_structure_historical.json",
"output_file_of_historical_data.nxs",
start_time=start_time,
stop_time=stop_time,
topic=command_topic,
)
sleep(20)
# The command also includes a stream for topic TEST_emptyTopic which exists but has no data in it, the
# file writer should recognise there is no data in that topic and close the corresponding streamer without problem.
filepath = "output-files/output_file_of_historical_data.nxs"
with OpenNexusFileWhenAvailable(filepath) as file:
# Expect to have recorded one value per ms between the start and stop time
# +3 due to writing one message before start and one message after stop
assert file["entry/historical_data_1/time"].len() == (
stop_time - start_time + 3
), "Expected there to be one message per millisecond recorded between specified start and stop time"
assert file["entry/historical_data_2/time"].len() == (
stop_time - start_time + 3
), "Expected there to be one message per millisecond recorded between specified start and stop time"
# EPICS alarms
assert (
file["entry/historical_data_1/alarm_status"].len() == 2
), "Expected there to have record two changes in EPICS alarm status"
assert (
file["entry/historical_data_1/alarm_severity"].len() == 2