import pytest

import acts

import acts.examples

def test_empty_sequencer(conf_const):

s = acts.examples.Sequencer()

with pytest.raises(RuntimeError):

s.run()

s = conf_const(acts.examples.Sequencer, events=1)

s.run()

def test_sequencer_single_threaded(ptcl_gun, capfd):

s = acts.examples.Sequencer(numThreads=1, events=2)

ptcl_gun(s)

s.run()

cap = capfd.readouterr()

assert cap.err == ""

assert "Create Sequencer (single-threaded)" in cap.out

assert "Processed 2 events" in cap.out

def test_sequencer_multi_threaded(ptcl_gun, capfd):

# This test can use 2 threads (for the 2 events),

# but could be run single-threaded if threading is not available.

s = acts.examples.Sequencer(numThreads=-1, events=2)

ptcl_gun(s)

s.run()

cap = capfd.readouterr()

assert cap.err == ""

assert "Create Sequencer" in cap.out

assert "Processed 2 events" in cap.out

def test_random_number():

rnd = acts.examples.RandomNumbers(seed=42)

def test_constructors():

s1 = acts.examples.Sequencer()

print(s1)

s2 = acts.examples.Sequencer()

print(s2)