Refactors tests folder to separate different modules

Each module has a different folder and they do not share methods now. At some point they should be split in different repos

test/apps/cli/unit/test_pisa_cli.py

@@ -0,0 +1,88 @@
+import responses
+import json
+from binascii import hexlify
+
+from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.primitives.asymmetric import ec
+
+import apps.cli.pisa_cli as pisa_cli
+from test.apps.cli.unit.conftest import get_random_value_hex
+
+# TODO: should find a way of doing without this
+from apps.cli.pisa_cli import build_appointment
+
+# dummy keys for the tests
+pisa_sk = ec.generate_private_key(ec.SECP256K1, default_backend())
+pisa_pk = pisa_sk.public_key()
+
+other_sk = ec.generate_private_key(ec.SECP256K1, default_backend())
+
+# Replace the key in the module with a key we control for the tests
+pisa_cli.pisa_public_key = pisa_pk
+# Replace endpoint with dummy one
+pisa_cli.pisa_api_server = "dummy.com"
+pisa_cli.pisa_api_port = 12345
+pisa_endpoint = pisa_cli.pisa_api_server + ":" + str(pisa_cli.pisa_api_port)
+
+dummy_appointment_request = {
+    "tx": get_random_value_hex(192),
+    "tx_id": get_random_value_hex(32),
+    "start_time": 1500,
+    "end_time": 50000,
+    "to_self_delay": 200,
+}
+dummy_appointment = build_appointment(**dummy_appointment_request)
+
+# FIXME: USE CRYPTOGRAPHER
+
+
+def sign_appointment(sk, appointment):
+    data = json.dumps(appointment, sort_keys=True, separators=(",", ":")).encode("utf-8")
+    return hexlify(sk.sign(data, ec.ECDSA(hashes.SHA256()))).decode("utf-8")
+
+
+def get_dummy_pisa_pk(der_data):
+    return pisa_pk
+
+
+@responses.activate
+def test_add_appointment(monkeypatch):
+    # Simulate a request to add_appointment for dummy_appointment, make sure that the right endpoint is requested
+    # and the return value is True
+
+    # make sure the test uses the right dummy key instead of loading it from disk
+    monkeypatch.setattr(pisa_cli, "load_public_key", get_dummy_pisa_pk)
+
+    response = {"locator": dummy_appointment["locator"], "signature": sign_appointment(pisa_sk, dummy_appointment)}
+
+    request_url = "http://{}/".format(pisa_endpoint)
+    responses.add(responses.POST, request_url, json=response, status=200)
+
+    result = pisa_cli.add_appointment([json.dumps(dummy_appointment_request)])
+
+    assert len(responses.calls) == 1
+    assert responses.calls[0].request.url == request_url
+
+    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
+
+    # make sure the test uses the right dummy key instead of loading it from disk
+    monkeypatch.setattr(pisa_cli, "load_public_key", get_dummy_pisa_pk)
+
+    response = {
+        "locator": dummy_appointment["locator"],
+        "signature": sign_appointment(other_sk, dummy_appointment),  # signing with a different key
+    }
+
+    request_url = "http://{}/".format(pisa_endpoint)
+    responses.add(responses.POST, request_url, json=response, status=200)
+
+    result = pisa_cli.add_appointment([json.dumps(dummy_appointment_request)])
+
+    assert not result