Test enum completeness

This patch adds a test case to ensure that all enum values defined in
the API spec are also present in our Python enums.

Fixes: #83

tests/test_enums.py

@@ -0,0 +1,76 @@
+from typing import Any, Callable, Protocol, Type
+
+import pytest
+
+import nethsm
+from nethsm.client.components.schema.decrypt_mode import DecryptModeEnums
+from nethsm.client.components.schema.encrypt_mode import EncryptModeEnums
+from nethsm.client.components.schema.key_mechanism import KeyMechanismEnums
+from nethsm.client.components.schema.key_type import KeyTypeEnums
+from nethsm.client.components.schema.log_level import LogLevelEnums
+from nethsm.client.components.schema.sign_mode import SignModeEnums
+from nethsm.client.components.schema.switch import SwitchEnums
+from nethsm.client.components.schema.system_state import SystemStateEnums
+from nethsm.client.components.schema.tls_key_type import TlsKeyTypeEnums
+from nethsm.client.components.schema.user_role import UserRoleEnums
+from nethsm.client.schemas import classproperty
+
+
+class Enum(Protocol):
+    @staticmethod
+    def from_string(s: str) -> "Enum":
+        ...
+
+
+def check_enum(our_enum: Type[Enum], api_enum: Type[Any]) -> None:
+    for (key, cp) in api_enum.__dict__.items():
+        if "_" in key:
+            continue
+        assert isinstance(cp, classproperty)
+        value = cp.__get__(obj=None, cls=api_enum)
+        enum_value = our_enum.from_string(value)
+        assert isinstance(enum_value, our_enum)
+        assert getattr(enum_value, "value", None) == value
+
+    with pytest.raises(ValueError):
+        our_enum.from_string("foobar")
+
+
+def test_role() -> None:
+    check_enum(nethsm.Role, UserRoleEnums)
+
+
+def test_state() -> None:
+    check_enum(nethsm.State, SystemStateEnums)
+
+
+def test_log_level() -> None:
+    check_enum(nethsm.LogLevel, LogLevelEnums)
+
+
+def test_unattended_boot_status() -> None:
+    check_enum(nethsm.UnattendedBootStatus, SwitchEnums)
+
+
+def test_key_type() -> None:
+    check_enum(nethsm.KeyType, KeyTypeEnums)
+
+
+def test_key_mechanism() -> None:
+    check_enum(nethsm.KeyMechanism, KeyMechanismEnums)
+
+
+def test_encrypt_mode() -> None:
+    check_enum(nethsm.EncryptMode, EncryptModeEnums)
+
+
+def test_decrypt_mode() -> None:
+    check_enum(nethsm.DecryptMode, DecryptModeEnums)
+
+
+def test_sign_mode() -> None:
+    check_enum(nethsm.SignMode, SignModeEnums)
+
+
+def test_tls_key_type() -> None:
+    check_enum(nethsm.TlsKeyType, TlsKeyTypeEnums)