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302 lines
12 KiB
Python
302 lines
12 KiB
Python
import os
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import json
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import shutil
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import pytest
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import responses
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from binascii import hexlify
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from coincurve import PrivateKey
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from requests.exceptions import ConnectionError, Timeout
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from common.tools import compute_locator
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from common.appointment import Appointment
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from common.cryptographer import Cryptographer
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import cli.teos_cli as teos_cli
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from cli.exceptions import InvalidParameter, InvalidKey, TowerResponseError
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from test.cli.unit.conftest import get_random_value_hex, get_config
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config = get_config()
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# dummy keys for the tests
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dummy_cli_sk = PrivateKey.from_int(1)
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dummy_cli_compressed_pk = dummy_cli_sk.public_key.format(compressed=True)
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dummy_teos_sk = PrivateKey.from_int(2)
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dummy_teos_pk = dummy_teos_sk.public_key
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another_sk = PrivateKey.from_int(3)
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teos_url = "http://{}:{}".format(config.get("API_CONNECT"), config.get("API_PORT"))
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add_appointment_endpoint = "{}/add_appointment".format(teos_url)
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register_endpoint = "{}/register".format(teos_url)
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get_appointment_endpoint = "{}/get_appointment".format(teos_url)
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get_all_appointments_endpoint = "{}/get_all_appointments".format(teos_url)
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dummy_appointment_data = {
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"tx": get_random_value_hex(192),
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"tx_id": get_random_value_hex(32),
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"start_time": 1500,
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"end_time": 50000,
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"to_self_delay": 200,
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}
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# This is the format appointment turns into once it hits "add_appointment"
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dummy_appointment_dict = {
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"locator": compute_locator(dummy_appointment_data.get("tx_id")),
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"start_time": dummy_appointment_data.get("start_time"),
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"end_time": dummy_appointment_data.get("end_time"),
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"to_self_delay": dummy_appointment_data.get("to_self_delay"),
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"encrypted_blob": Cryptographer.encrypt(dummy_appointment_data.get("tx"), dummy_appointment_data.get("tx_id")),
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}
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dummy_appointment = Appointment.from_dict(dummy_appointment_dict)
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def get_signature(message, sk):
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return Cryptographer.sign(message, sk)
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# TODO: 90-add-more-add-appointment-tests
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@responses.activate
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def test_register():
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# Simulate a register response
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compressed_pk_hex = hexlify(dummy_cli_compressed_pk).decode("utf-8")
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response = {"public_key": compressed_pk_hex, "available_slots": 100}
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responses.add(responses.POST, register_endpoint, json=response, status=200)
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result = teos_cli.register(compressed_pk_hex, teos_url)
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assert len(responses.calls) == 1
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assert responses.calls[0].request.url == register_endpoint
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assert result.get("public_key") == compressed_pk_hex and result.get("available_slots") == response.get(
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"available_slots"
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)
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@responses.activate
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def test_add_appointment():
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# Simulate a request to add_appointment for dummy_appointment, make sure that the right endpoint is requested
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# and the return value is True
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response = {
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"locator": dummy_appointment.locator,
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"signature": get_signature(dummy_appointment.serialize(), dummy_teos_sk),
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"available_slots": 100,
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}
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responses.add(responses.POST, add_appointment_endpoint, json=response, status=200)
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result = teos_cli.add_appointment(dummy_appointment_data, dummy_cli_sk, dummy_teos_pk, teos_url)
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assert len(responses.calls) == 1
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assert responses.calls[0].request.url == add_appointment_endpoint
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assert result
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@responses.activate
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def test_add_appointment_with_invalid_signature(monkeypatch):
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# Simulate a request to add_appointment for dummy_appointment, but sign with a different key,
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# make sure that the right endpoint is requested, but the return value is False
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response = {
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"locator": dummy_appointment.to_dict()["locator"],
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"signature": get_signature(dummy_appointment.serialize(), another_sk), # Sign with a bad key
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"available_slots": 100,
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}
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responses.add(responses.POST, add_appointment_endpoint, json=response, status=200)
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with pytest.raises(TowerResponseError):
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teos_cli.add_appointment(dummy_appointment_data, dummy_cli_sk, dummy_teos_pk, teos_url)
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@responses.activate
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def test_get_appointment():
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# Response of get_appointment endpoint is an appointment with status added to it.
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response = {
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"locator": dummy_appointment_dict.get("locator"),
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"status": "being_watch",
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"appointment": dummy_appointment_dict,
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}
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responses.add(responses.POST, get_appointment_endpoint, json=response, status=200)
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result = teos_cli.get_appointment(dummy_appointment_dict.get("locator"), dummy_cli_sk, dummy_teos_pk, teos_url)
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assert len(responses.calls) == 1
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assert responses.calls[0].request.url == get_appointment_endpoint
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assert result.get("locator") == response.get("locator")
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@responses.activate
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def test_get_appointment_err():
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locator = get_random_value_hex(16)
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# Test that get_appointment handles a connection error appropriately.
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responses.add(responses.POST, get_appointment_endpoint, body=ConnectionError())
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with pytest.raises(ConnectionError):
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teos_cli.get_appointment(locator, dummy_cli_sk, dummy_teos_pk, teos_url)
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def test_load_keys():
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# Let's first create a private key and public key files
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private_key_file_path = "sk_test_file"
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public_key_file_path = "pk_test_file"
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empty_file_path = "empty_file"
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with open(private_key_file_path, "wb") as f:
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f.write(dummy_cli_sk.to_der())
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with open(public_key_file_path, "wb") as f:
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f.write(dummy_cli_compressed_pk)
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with open(empty_file_path, "wb"):
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pass
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# Now we can test the function passing the using this files (we'll use the same pk for both)
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r = teos_cli.load_keys(public_key_file_path, private_key_file_path, public_key_file_path)
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assert isinstance(r, tuple)
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assert len(r) == 3
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# If any param does not match the expected, we should get an InvalidKey exception
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with pytest.raises(InvalidKey):
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teos_cli.load_keys(None, private_key_file_path, public_key_file_path)
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with pytest.raises(InvalidKey):
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teos_cli.load_keys(public_key_file_path, None, public_key_file_path)
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with pytest.raises(InvalidKey):
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teos_cli.load_keys(public_key_file_path, private_key_file_path, None)
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# The same should happen if we pass a public key where a private should be, for instance
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with pytest.raises(InvalidKey):
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teos_cli.load_keys(private_key_file_path, public_key_file_path, private_key_file_path)
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# Same if any of the files is empty
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with pytest.raises(InvalidKey):
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teos_cli.load_keys(empty_file_path, private_key_file_path, public_key_file_path)
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with pytest.raises(InvalidKey):
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teos_cli.load_keys(public_key_file_path, empty_file_path, public_key_file_path)
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with pytest.raises(InvalidKey):
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teos_cli.load_keys(public_key_file_path, private_key_file_path, empty_file_path)
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# Remove the tmp files
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os.remove(private_key_file_path)
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os.remove(public_key_file_path)
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os.remove(empty_file_path)
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@responses.activate
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def test_post_request():
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response = {
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"locator": dummy_appointment.to_dict()["locator"],
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"signature": get_signature(dummy_appointment.serialize(), dummy_teos_sk),
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}
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responses.add(responses.POST, add_appointment_endpoint, json=response, status=200)
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response = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
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assert len(responses.calls) == 1
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assert responses.calls[0].request.url == add_appointment_endpoint
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assert response
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@responses.activate
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def test_process_post_response():
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# Let's first create a response
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response = {
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"locator": dummy_appointment.to_dict()["locator"],
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"signature": get_signature(dummy_appointment.serialize(), dummy_teos_sk),
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}
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# A 200 OK with a correct json response should return the json of the response
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responses.add(responses.POST, add_appointment_endpoint, json=response, status=200)
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r = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
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assert teos_cli.process_post_response(r) == r.json()
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# If we modify the response code for a rejection (lets say 404) we should get None
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responses.replace(responses.POST, add_appointment_endpoint, json=response, status=404)
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with pytest.raises(TowerResponseError):
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r = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
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teos_cli.process_post_response(r)
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# The same should happen if the response is not in json independently of the return type
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responses.replace(responses.POST, add_appointment_endpoint, status=404)
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with pytest.raises(TowerResponseError):
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r = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
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teos_cli.process_post_response(r)
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responses.replace(responses.POST, add_appointment_endpoint, status=200)
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with pytest.raises(TowerResponseError):
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r = teos_cli.post_request(json.dumps(dummy_appointment_data), add_appointment_endpoint)
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teos_cli.process_post_response(r)
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def test_parse_add_appointment_args():
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# If file exists and has data in it, function should work.
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with open("appt_test_file", "w") as f:
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json.dump(dummy_appointment_data, f)
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appt_data = teos_cli.parse_add_appointment_args(["-f", "appt_test_file"])
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assert appt_data
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# If appointment json is passed in, function should work.
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appt_data = teos_cli.parse_add_appointment_args([json.dumps(dummy_appointment_data)])
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assert appt_data
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os.remove("appt_test_file")
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def test_parse_add_appointment_args_wrong():
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# If no args are passed, function should fail.
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with pytest.raises(InvalidParameter):
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teos_cli.parse_add_appointment_args(None)
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# If file doesn't exist, function should fail.
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with pytest.raises(FileNotFoundError):
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teos_cli.parse_add_appointment_args(["-f", "nonexistent_file"])
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def test_save_appointment_receipt(monkeypatch):
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appointments_folder = "test_appointments_receipts"
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config["APPOINTMENTS_FOLDER_NAME"] = appointments_folder
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# The functions creates a new directory if it does not exist
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assert not os.path.exists(appointments_folder)
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teos_cli.save_appointment_receipt(
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dummy_appointment.to_dict(),
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get_signature(dummy_appointment.serialize(), dummy_teos_sk),
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config.get("APPOINTMENTS_FOLDER_NAME"),
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)
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assert os.path.exists(appointments_folder)
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# Check that the receipt has been saved by checking the file names
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files = os.listdir(appointments_folder)
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assert any([dummy_appointment.locator in f for f in files])
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shutil.rmtree(appointments_folder)
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@responses.activate
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def test_get_all_appointments():
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# Response of get_all_appointments endpoint is all appointments from watcher and responder.
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dummy_appointment_dict["status"] = "being_watched"
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response = {"watcher_appointments": dummy_appointment_dict, "responder_trackers": {}}
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request_url = get_all_appointments_endpoint
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responses.add(responses.GET, request_url, json=response, status=200)
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result = teos_cli.get_all_appointments(teos_url)
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assert len(responses.calls) == 1
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assert responses.calls[0].request.url == request_url
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assert json.loads(result).get("locator") == response.get("locator")
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@responses.activate
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def test_get_all_appointments_err():
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# Test that get_all_appointments handles a connection error appropriately.
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request_url = get_all_appointments_endpoint
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responses.add(responses.GET, request_url, body=ConnectionError())
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assert not teos_cli.get_all_appointments(teos_url)
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# Test that get_all_appointments handles a timeout error appropriately.
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responses.replace(responses.GET, request_url, body=Timeout())
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assert not teos_cli.get_all_appointments(teos_url)
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# Test that get_all_appointments handles a 404 error appropriately.
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responses.replace(responses.GET, request_url, status=404)
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assert teos_cli.get_all_appointments(teos_url) is None
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