first test for python chatctl part and applying black

src/chatmail/__init__.py

@@ -2,7 +2,6 @@
 Chat Mail pyinfra deploy.
 """
 import importlib.resources
-from io import StringIO
 
 from pyinfra import host, logger
 from pyinfra.operations import apt, files, server, systemd, python
@@ -118,7 +117,7 @@ def _configure_dovecot(mail_server: str) -> bool:
 def deploy_chatmail(mail_domain: str, mail_server: str, dkim_selector: str) -> None:
     """Deploy a chat-mail instance.
 
-    :param mail_domain: the domain part of your future email addresses, so "example.org" in user@example.org
+    :param mail_domain: domain part of your future email addresses
     :param mail_server: the DNS name under which your mail server is reachable
     :param dkim_selector:
     """

src/chatmail/chatctl/chatctl.py

@@ -9,17 +9,30 @@ def get_user_data(user):
             homedir="/home/vmail/link2xt",
             uid="vmail",
             gid="vmail",
-            password=b"Ahyei6ie"
+            password=b"Ahyei6ie",
         )
     return {}
 
 
+def create_user(user, password):
+    assert isinstance(password, bytes)
+    return dict(
+        homedir=f"/home/vmail/{user}", uid="vmail", gid="vmail", password=password
+    )
+
+
 def verify_user(user, password):
     userdata = get_user_data(user)
-    if userdata.get("password") == password:
+    if userdata:
+        if userdata.get("password") == password:
+            userdata["status"] = "ok"
+        else:
+            userdata["status"] = "fail"
+    else:
+        userdata = create_user(user, password)
         userdata["status"] = "ok"
-        return userdata
-    return dict(status="fail")
+
+    return userdata
 
 
 def lookup_user(user):
@@ -36,13 +49,13 @@ def dump_result(res):
         print(f"{key}={value}")
 
 
-if sys.argv[1] == "hexauth":
-    login = base64.b16decode(sys.argv[2])
-    password = base64.b16decode(sys.argv[3])
-    res = verify_user(login, password)
-    dump_result(res)
-elif sys.argv[1] == "hexlookup":
-    login = base64.b16decode(sys.argv[2])
-    res = lookup_user(login)
-    dump_result(res)
-
+if __name__ == "__main__":
+    if sys.argv[1] == "hexauth":
+        login = base64.b16decode(sys.argv[2])
+        password = base64.b16decode(sys.argv[3])
+        res = verify_user(login, password)
+        dump_result(res)
+    elif sys.argv[1] == "hexlookup":
+        login = base64.b16decode(sys.argv[2])
+        res = lookup_user(login)
+        dump_result(res)

src/chatmail/chatctl/test_chatctl.py

@@ -0,0 +1,16 @@
+import pytest
+
+from chatctl import get_user_data, verify_user
+
+
+def test_basic():
+    data = get_user_data(b"link2xt@instant2.testrun.org")
+    assert data
+
+
+@pytest.mark.xfail(reason="no persistence yet")
+def test_verify_or_create():
+    res = verify_user(b"newuser1@something.org", b"kajdlkajsldk12l3kj1983")
+    assert res["status"] == "ok"
+    res = verify_user(b"newuser1@something.org", b"kajdlqweqwe")
+    assert res["status"] == "fail"