chore(keyringctl): add missing type annotations for tests

libkeyringctl/keyring.py

@@ -32,6 +32,7 @@
 from .types import Trust
 from .types import Uid
 from .types import Username
+from .util import filter_fingerprints_by_trust
 from .util import get_cert_paths
 from .util import system
 from .util import transform_fd_to_tmpfile
@@ -605,12 +606,7 @@ def export_ownertrust(certs: List[Path], output: Path) -> List[Fingerprint]:
     """
 
     main_trusts = certificate_trust_from_paths(sources=certs, main_keys=get_fingerprints_from_paths(sources=certs))
-    trusted_certs: List[Fingerprint] = list(
-        map(
-            lambda item: item[0],
-            filter(lambda item: Trust.full == item[1], main_trusts.items()),
-        )
-    )
+    trusted_certs: List[Fingerprint] = filter_fingerprints_by_trust(main_trusts, Trust.full)
 
     with open(file=output, mode="w") as trusted_certs_file:
         for cert in sorted(set(trusted_certs)):
@@ -636,12 +632,7 @@ def export_revoked(certs: List[Path], main_keys: Set[Fingerprint], output: Path)
     """
 
     certificate_trusts = certificate_trust_from_paths(sources=certs, main_keys=main_keys)
-    revoked_certs: List[Fingerprint] = list(
-        map(
-            lambda item: item[0],
-            filter(lambda item: Trust.revoked == item[1], certificate_trusts.items()),
-        )
-    )
+    revoked_certs: List[Fingerprint] = filter_fingerprints_by_trust(certificate_trusts, Trust.revoked)
 
     with open(file=output, mode="w") as revoked_certs_file:
         for cert in sorted(set(revoked_certs)):

libkeyringctl/util.py

@@ -16,12 +16,14 @@
 from traceback import print_stack
 from typing import IO
 from typing import AnyStr
+from typing import Dict
 from typing import List
 from typing import Optional
 from typing import Set
 from typing import Union
 
 from libkeyringctl.types import Fingerprint
+from libkeyringctl.types import Trust
 
 
 @contextmanager
@@ -198,4 +200,37 @@ def get_parent_cert_paths(paths: Iterable[Path]) -> Set[Path]:
 
 
 def contains_fingerprint(fingerprints: Iterable[Fingerprint], fingerprint: Fingerprint) -> bool:
+    """Returns weather an iterable structure of fingerprints contains a specific fingerprint
+
+    Parameters
+    ----------
+    fingerprints: Iteratable structure of fingerprints that should be searched
+    fingerprint: Fingerprint to search for
+
+    Returns
+    -------
+    Weather an iterable structure of fingerprints contains a specific fingerprint
+    """
+
     return any(filter(lambda e: str(e).endswith(fingerprint), fingerprints))
+
+
+def filter_fingerprints_by_trust(trusts: Dict[Fingerprint, Trust], trust: Trust) -> List[Fingerprint]:
+    """Filters a dict of Fingerprint to Trust by a passed Trust parameter and returns the matching fingerprints.
+
+    Parameters
+    ----------
+    trusts: Dict of Fingerprint to Trust that should be filtered based on the trust parameter
+    trust: Trust that should be used to filter the trusts dict
+
+    Returns
+    -------
+    The matching fingerprints of the dict filtered by trust
+    """
+
+    return list(
+        map(
+            lambda item: item[0],
+            filter(lambda item: trust == item[1], trusts.items()),
+        )
+    )

tests/conftest.py

@@ -3,8 +3,12 @@
 from pathlib import Path
 from shutil import copytree
 from tempfile import TemporaryDirectory
+from typing import Any
+from typing import Callable
 from typing import Dict
+from typing import Generator
 from typing import List
+from typing import Optional
 from typing import Set
 
 from pytest import fixture
@@ -26,17 +30,22 @@
 
 
 @fixture(autouse=True)
-def reset_storage():
+def reset_storage() -> None:
     test_keys.clear()
     test_certificates.clear()
     test_keyring_certificates.clear()
     test_main_fingerprints.clear()
 
 
-def create_certificate(username: Username, uids: List[Uid], keyring_type: str = "packager", func=None):
-    def decorator(decorated_func):
+def create_certificate(
+    username: Username,
+    uids: List[Uid],
+    keyring_type: str = "packager",
+    func: Optional[Callable[..., Any]] = None,
+) -> Callable[..., Any]:
+    def decorator(decorated_func: Callable[..., None]) -> Callable[..., Any]:
         @wraps(decorated_func)
-        def wrapper(working_dir: Path, *args, **kwargs):
+        def wrapper(working_dir: Path, *args: Any, **kwargs: Any) -> None:
             print(username)
 
             key_directory = working_dir / "secret" / f"{id}"
@@ -80,10 +89,12 @@ def wrapper(working_dir: Path, *args, **kwargs):
     return decorator(func)
 
 
-def create_uid_certification(issuer: Username, certified: Username, uid: Uid, func=None):
-    def decorator(decorated_func):
+def create_uid_certification(
+    issuer: Username, certified: Username, uid: Uid, func: Optional[Callable[[Any], None]] = None
+) -> Callable[..., Any]:
+    def decorator(decorated_func: Callable[..., None]) -> Callable[..., Any]:
         @wraps(decorated_func)
-        def wrapper(working_dir: Path, *args, **kwargs):
+        def wrapper(working_dir: Path, *args: Any, **kwargs: Any) -> None:
             key: Path = test_keys[issuer][0]
             certificate: Path = test_certificates[certified][0]
             fingerprint: Fingerprint = Fingerprint(test_keyring_certificates[certified][0].name)
@@ -115,12 +126,13 @@ def wrapper(working_dir: Path, *args, **kwargs):
 
 
 @fixture(scope="function")
-def working_dir():
+def working_dir() -> Generator[Path, None, None]:
     with TemporaryDirectory(prefix="arch-keyringctl-test-") as tempdir:
-        with cwd(tempdir):
-            yield Path(tempdir)
+        path: Path = Path(tempdir)
+        with cwd(path):
+            yield path
 
 
 @fixture(scope="function")
-def keyring_dir(working_dir: Path):
+def keyring_dir(working_dir: Path) -> Generator[Path, None, None]:
     yield working_dir / "keyring"

tests/test_trust.py

@@ -12,7 +12,7 @@
 
 
 @create_certificate(username=Username("foobar"), uids=[Uid("foobar <foo@bar.xyz>")], keyring_type="main")
-def test_certificate_trust_main_key_has_full_trust(working_dir: Path, keyring_dir: Path):
+def test_certificate_trust_main_key_has_full_trust(working_dir: Path, keyring_dir: Path) -> None:
     trust = certificate_trust(
         test_keyring_certificates[Username("foobar")][0],
         test_main_fingerprints,
@@ -22,7 +22,7 @@ def test_certificate_trust_main_key_has_full_trust(working_dir: Path, keyring_di
 
 @create_certificate(username=Username("main"), uids=[Uid("main <foo@bar.xyz>")])
 @create_certificate(username=Username("foobar"), uids=[Uid("foobar <foo@bar.xyz>")])
-def test_certificate_trust_no_signature_is_unknown(working_dir: Path, keyring_dir: Path):
+def test_certificate_trust_no_signature_is_unknown(working_dir: Path, keyring_dir: Path) -> None:
     trust = certificate_trust(
         test_keyring_certificates[Username("foobar")][0],
         test_main_fingerprints,
@@ -33,7 +33,7 @@ def test_certificate_trust_no_signature_is_unknown(working_dir: Path, keyring_di
 @create_certificate(username=Username("main"), uids=[Uid("main <foo@bar.xyz>")], keyring_type="main")
 @create_certificate(username=Username("foobar"), uids=[Uid("foobar <foo@bar.xyz>")])
 @create_uid_certification(issuer=Username("main"), certified=Username("foobar"), uid=Uid("foobar <foo@bar.xyz>"))
-def test_certificate_trust_one_signature_is_marginal(working_dir: Path, keyring_dir: Path):
+def test_certificate_trust_one_signature_is_marginal(working_dir: Path, keyring_dir: Path) -> None:
     trust = certificate_trust(
         test_keyring_certificates[Username("foobar")][0],
         test_main_fingerprints,
@@ -45,7 +45,7 @@ def test_certificate_trust_one_signature_is_marginal(working_dir: Path, keyring_
 @create_certificate(username=Username("not_main"), uids=[Uid("main <foo@bar.xyz>")])
 @create_certificate(username=Username("foobar"), uids=[Uid("foobar <foo@bar.xyz>")])
 @create_uid_certification(issuer=Username("not_main"), certified=Username("foobar"), uid=Uid("foobar <foo@bar.xyz>"))
-def test_certificate_trust_one_none_main_signature_gives_no_trust(working_dir: Path, keyring_dir: Path):
+def test_certificate_trust_one_none_main_signature_gives_no_trust(working_dir: Path, keyring_dir: Path) -> None:
     trust = certificate_trust(
         test_keyring_certificates[Username("foobar")][0],
         test_main_fingerprints,
@@ -60,7 +60,7 @@ def test_certificate_trust_one_none_main_signature_gives_no_trust(working_dir: P
 @create_uid_certification(issuer=Username("main1"), certified=Username("foobar"), uid=Uid("foobar <foo@bar.xyz>"))
 @create_uid_certification(issuer=Username("main2"), certified=Username("foobar"), uid=Uid("foobar <foo@bar.xyz>"))
 @create_uid_certification(issuer=Username("main3"), certified=Username("foobar"), uid=Uid("foobar <foo@bar.xyz>"))
-def test_certificate_trust_three_main_signature_gives_full_trust(working_dir: Path, keyring_dir: Path):
+def test_certificate_trust_three_main_signature_gives_full_trust(working_dir: Path, keyring_dir: Path) -> None:
     trust = certificate_trust(
         test_keyring_certificates[Username("foobar")][0],
         test_main_fingerprints,