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python-teos/test/cli/unit/test_teos_cli.py
Sergi Delgado Segura a427b12799 Updates cli unit tests
2020-04-20 17:30:17 +02:00

297 lines
11 KiB
Python

import os
import json
import shutil
import pytest
import responses
from coincurve import PrivateKey
from requests.exceptions import ConnectionError, Timeout
from common.tools import compute_locator
from common.appointment import Appointment
from common.cryptographer import Cryptographer
from common.exceptions import InvalidParameter, InvalidKey
import cli.teos_cli as teos_cli
from cli.exceptions import TowerResponseError
from test.cli.unit.conftest import get_random_value_hex, get_config
config = get_config()
# dummy keys for the tests
dummy_user_sk = PrivateKey.from_int(1)
dummy_user_id = Cryptographer.get_compressed_pk(dummy_user_sk.public_key)
dummy_teos_sk = PrivateKey.from_int(2)
dummy_teos_id = Cryptographer.get_compressed_pk(dummy_teos_sk.public_key)
another_sk = PrivateKey.from_int(3)
teos_url = "http://{}:{}".format(config.get("API_CONNECT"), config.get("API_PORT"))
add_appointment_endpoint = "{}/add_appointment".format(teos_url)
register_endpoint = "{}/register".format(teos_url)
get_appointment_endpoint = "{}/get_appointment".format(teos_url)
get_all_appointments_endpoint = "{}/get_all_appointments".format(teos_url)
dummy_appointment_data = {
"tx": get_random_value_hex(192),
"tx_id": get_random_value_hex(32),
"start_time": 1500,
"end_time": 50000,
"to_self_delay": 200,
}
# This is the format appointment turns into once it hits "add_appointment"
dummy_appointment_dict = {
"locator": compute_locator(dummy_appointment_data.get("tx_id")),
"start_time": dummy_appointment_data.get("start_time"),
"end_time": dummy_appointment_data.get("end_time"),
"to_self_delay": dummy_appointment_data.get("to_self_delay"),
"encrypted_blob": Cryptographer.encrypt(dummy_appointment_data.get("tx"), dummy_appointment_data.get("tx_id")),
}
dummy_appointment = Appointment.from_dict(dummy_appointment_dict)
def get_signature(message, sk):
return Cryptographer.sign(message, sk)
# TODO: 90-add-more-add-appointment-tests
@responses.activate
def test_register():
# Simulate a register response
response = {"public_key": dummy_user_id, "available_slots": 100}
responses.add(responses.POST, register_endpoint, json=response, status=200)
result = teos_cli.register(dummy_user_id, teos_url)
assert len(responses.calls) == 1
assert responses.calls[0].request.url == register_endpoint
assert result.get("public_key") == dummy_user_id and result.get("available_slots") == response.get(
"available_slots"
)
@responses.activate
def test_add_appointment():
# Simulate a request to add_appointment for dummy_appointment, make sure that the right endpoint is requested
# and the return value is True
response = {
"locator": dummy_appointment.locator,
"signature": get_signature(dummy_appointment.serialize(), dummy_teos_sk),
"available_slots": 100,
}
responses.add(responses.POST, add_appointment_endpoint, json=response, status=200)
result = teos_cli.add_appointment(dummy_appointment_data, dummy_user_sk, dummy_teos_id, teos_url)
assert len(responses.calls) == 1
assert responses.calls[0].request.url == add_appointment_endpoint
assert result
@responses.activate
def test_add_appointment_with_invalid_signature(monkeypatch):
# Simulate a request to add_appointment for dummy_appointment, but sign with a different key,
# make sure that the right endpoint is requested, but the return value is False
response = {
"locator": dummy_appointment.to_dict()["locator"],
"signature": get_signature(dummy_appointment.serialize(), another_sk), # Sign with a bad key
"available_slots": 100,
}
responses.add(responses.POST, add_appointment_endpoint, json=response, status=200)
with pytest.raises(TowerResponseError):
teos_cli.add_appointment(dummy_appointment_data, dummy_user_sk, dummy_teos_id, teos_url)
@responses.activate
def test_get_appointment():
# Response of get_appointment endpoint is an appointment with status added to it.
response = {
"locator": dummy_appointment_dict.get("locator"),
"status": "being_watch",
"appointment": dummy_appointment_dict,
}
responses.add(responses.POST, get_appointment_endpoint, json=response, status=200)
result = teos_cli.get_appointment(dummy_appointment_dict.get("locator"), dummy_user_sk, dummy_teos_id, teos_url)
assert len(responses.calls) == 1
assert responses.calls[0].request.url == get_appointment_endpoint
assert result.get("locator") == response.get("locator")
@responses.activate
def test_get_appointment_err():
locator = get_random_value_hex(16)
# Test that get_appointment handles a connection error appropriately.
responses.add(responses.POST, get_appointment_endpoint, body=ConnectionError())
with pytest.raises(ConnectionError):
teos_cli.get_appointment(locator, dummy_user_sk, dummy_teos_id, teos_url)
def test_load_keys():
# Let's first create a private key and public key files
private_key_file_path = "sk_test_file"
public_key_file_path = "pk_test_file"
empty_file_path = "empty_file"
with open(private_key_file_path, "wb") as f:
f.write(dummy_user_sk.to_der())
with open(public_key_file_path, "wb") as f:
f.write(dummy_user_sk.public_key.format(compressed=True))
with open(empty_file_path, "wb"):
pass
# Now we can test the function passing the using this files
r = teos_cli.load_keys(public_key_file_path, private_key_file_path)
assert isinstance(r, tuple)
assert len(r) == 3
# If any param does not match the expected, we should get an InvalidKey exception
with pytest.raises(InvalidKey):
teos_cli.load_keys(None, private_key_file_path)
with pytest.raises(InvalidKey):
teos_cli.load_keys(public_key_file_path, None)
# The same should happen if we pass a public key where a private should be, for instance
with pytest.raises(InvalidKey):
teos_cli.load_keys(private_key_file_path, public_key_file_path)
# Same if any of the files is empty
with pytest.raises(InvalidKey):
teos_cli.load_keys(empty_file_path, private_key_file_path)
with pytest.raises(InvalidKey):
teos_cli.load_keys(public_key_file_path, empty_file_path)
# Remove the tmp files
os.remove(private_key_file_path)
os.remove(public_key_file_path)
os.remove(empty_file_path)
@responses.activate
def test_post_request():
response = {
"locator": dummy_appointment.to_dict()["locator"],
"signature": get_signature(dummy_appointment.serialize(), dummy_teos_sk),
}
responses.add(responses.POST, add_appointment_endpoint, json=response, status=200)
response = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
assert len(responses.calls) == 1
assert responses.calls[0].request.url == add_appointment_endpoint
assert response
@responses.activate
def test_process_post_response():
# Let's first create a response
response = {
"locator": dummy_appointment.to_dict()["locator"],
"signature": get_signature(dummy_appointment.serialize(), dummy_teos_sk),
}
# A 200 OK with a correct json response should return the json of the response
responses.add(responses.POST, add_appointment_endpoint, json=response, status=200)
r = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
assert teos_cli.process_post_response(r) == r.json()
# If we modify the response code for a rejection (lets say 404) we should get None
responses.replace(responses.POST, add_appointment_endpoint, json=response, status=404)
with pytest.raises(TowerResponseError):
r = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
teos_cli.process_post_response(r)
# The same should happen if the response is not in json independently of the return type
responses.replace(responses.POST, add_appointment_endpoint, status=404)
with pytest.raises(TowerResponseError):
r = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
teos_cli.process_post_response(r)
responses.replace(responses.POST, add_appointment_endpoint, status=200)
with pytest.raises(TowerResponseError):
r = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
teos_cli.process_post_response(r)
def test_parse_add_appointment_args():
# If file exists and has data in it, function should work.
with open("appt_test_file", "w") as f:
json.dump(dummy_appointment_data, f)
appt_data = teos_cli.parse_add_appointment_args(["-f", "appt_test_file"])
assert appt_data
# If appointment json is passed in, function should work.
appt_data = teos_cli.parse_add_appointment_args([json.dumps(dummy_appointment_data)])
assert appt_data
os.remove("appt_test_file")
def test_parse_add_appointment_args_wrong():
# If no args are passed, function should fail.
with pytest.raises(InvalidParameter):
teos_cli.parse_add_appointment_args(None)
# If file doesn't exist, function should fail.
with pytest.raises(FileNotFoundError):
teos_cli.parse_add_appointment_args(["-f", "nonexistent_file"])
def test_save_appointment_receipt(monkeypatch):
appointments_folder = "test_appointments_receipts"
config["APPOINTMENTS_FOLDER_NAME"] = appointments_folder
# The functions creates a new directory if it does not exist
assert not os.path.exists(appointments_folder)
teos_cli.save_appointment_receipt(
dummy_appointment.to_dict(),
get_signature(dummy_appointment.serialize(), dummy_teos_sk),
config.get("APPOINTMENTS_FOLDER_NAME"),
)
assert os.path.exists(appointments_folder)
# Check that the receipt has been saved by checking the file names
files = os.listdir(appointments_folder)
assert any([dummy_appointment.locator in f for f in files])
shutil.rmtree(appointments_folder)
@responses.activate
def test_get_all_appointments():
# Response of get_all_appointments endpoint is all appointments from watcher and responder.
dummy_appointment_dict["status"] = "being_watched"
response = {"watcher_appointments": dummy_appointment_dict, "responder_trackers": {}}
request_url = get_all_appointments_endpoint
responses.add(responses.GET, request_url, json=response, status=200)
result = teos_cli.get_all_appointments(teos_url)
assert len(responses.calls) == 1
assert responses.calls[0].request.url == request_url
assert json.loads(result).get("locator") == response.get("locator")
@responses.activate
def test_get_all_appointments_err():
# Test that get_all_appointments handles a connection error appropriately.
request_url = get_all_appointments_endpoint
responses.add(responses.GET, request_url, body=ConnectionError())
assert not teos_cli.get_all_appointments(teos_url)
# Test that get_all_appointments handles a timeout error appropriately.
responses.replace(responses.GET, request_url, body=Timeout())
assert not teos_cli.get_all_appointments(teos_url)
# Test that get_all_appointments handles a 404 error appropriately.
responses.replace(responses.GET, request_url, status=404)
assert teos_cli.get_all_appointments(teos_url) is None