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path: root/src/dht/test_dht_tools.py.in
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#!@PYTHON@
#
# This testcase simply checks that the DHT command-line tools work.
# It launches a single peer, stores a value "testdata" under "testkey",
# and then gives the system 50 ms to fetch it.
#
# This could fail if
# - command line tool interfaces fail
# - DHT plugins for storage are not installed / working
# - block plugins for verification (the test plugin) is not installed
#
# The code does NOT depend on DHT routing or any actual P2P functionality.
#

import os
import sys
import shutil
import re
import subprocess
import time
import tempfile

os.environ["PATH"] = "@bindir@" + ":" + os.environ["PATH"]

if os.name == "nt":
    tmp = os.getenv("TEMP")
else:
    tmp = "/tmp"

if os.name == 'nt':
    get = './gnunet-dht-get.exe'
    put = './gnunet-dht-put.exe'
    arm = 'gnunet-arm.exe'
else:
    get = './gnunet-dht-get'
    put = './gnunet-dht-put'
    arm = 'gnunet-arm'

cfgfile = 'test_dht_api_peer1.conf'
run_get = [get, '-c', cfgfile]
run_put = [put, '-c', cfgfile]
run_arm = [arm, '-c', cfgfile]
debug = os.getenv('DEBUG')
if debug:
    run_arm += [debug.split(' ')]


def cleanup(exitcode):
    sys.exit(exitcode)


def sub_run(args, want_stdo=True, want_stde=False, nofail=False):
    if want_stdo:
        stdo = subprocess.PIPE
    else:
        stdo = None
    if want_stde:
        stde = subprocess.PIPE
    else:
        stde = None
    p = subprocess.Popen(args, stdout=stdo, stderr=stde)
    stdo, stde = p.communicate()
    if not nofail:
        if p.returncode != 0:
            sys.exit(p.returncode)
    return (p.returncode, stdo, stde)


def fail(result):
    print(result)
    r_arm(['-e'], want_stdo=False)
    cleanup(1)


def r_something(to_run, extra_args, failer=None, normal=True, **kw):
    rc, stdo, stde = sub_run(to_run + extra_args, nofail=True, **kw)
    if failer is not None:
        failer(to_run + extra_args, rc, stdo, stde, normal)
    return (rc, stdo, stde)


def r_arm(extra_args, **kw):
    return r_something(run_arm, extra_args, **kw)


def r_get(extra_args, **kw):
    return r_something(run_get, extra_args, **kw)


def r_put(extra_args, **kw):
    return r_something(run_put, extra_args, **kw)


def end_arm_failer(command, rc, stdo, stde, normal):
    if normal:
        if rc != 0:
            fail(
                "FAIL: error running {}\nCommand output was:\n{}\n{}".format(
                    command, stdo, stde
                )
            )
    else:
        if rc == 0:
            fail(
                "FAIL: expected error while running {}\nCommand output was:\n{}\n{}"
                .format(command, stdo, stde)
            )


def print_only_failer(command, rc, stdo, stde, normal):
    if normal:
        if rc != 0:
            print(
                "FAIL: error running {}\nCommand output was:\n{}\n{}".format(
                    command, stdo, stde
                )
            )
            cleanup(1)
    else:
        if rc == 0:
            print(
                "FAIL: expected error while running {}\nCommand output was:\n{}\n{}"
                .format(command, stdo, stde)
            )
            cleanup(1)


print("TEST: Starting ARM...", end='')
r_arm(['-s'], failer=end_arm_failer, want_stdo=False, want_stde=False)
print("PASS")
time.sleep(1)

print("TEST: Testing put...", end='')
r_put(['-k', 'testkey', '-d', 'testdata', '-t', '8'], failer=end_arm_failer)
print("PASS")
time.sleep(1)

print("TEST: Testing get...", end='')
rc, stdo, stde = r_get(['-k', 'testkey', '-T', '50 ms', '-t', '8'],
                       want_stdo=True,
                       failer=end_arm_failer)
stdo = stdo.decode('utf-8').replace('\r', '').splitlines()
expect = "Result 0, type 8:\ntestdata".splitlines()
if len(stdo) != 2 or len(expect
                         ) != 2 or stdo[0] != expect[0] or stdo[1] != expect[1]:
    fail("output `{}' differs from expected `{}'".format(stdo, expect))
print("PASS")

r_arm(['-e', '-d'], failer=print_only_failer)