fix(errors): add a base ClaimError

Author: lepture

src/joserfc/errors.py

@@ -191,43 +191,40 @@ def __init__(self, cek_size: int):  # pragma: no cover
 # --- JWT related errors --- #
 
 
-class InvalidClaimError(JoseError):
-    """This error is designed for JWT. It raised when the claim contains
-    invalid values or types."""
+class ClaimError(JoseError):
+    """This a base error for JWT claims validation."""
 
     claim: str
-    error = "invalid_claim"
+    description = "Error claim: '{}'"
 
     def __init__(self, claim: str):
         self.claim = claim
-        description = f"Invalid claim: '{claim}'"
-        super(InvalidClaimError, self).__init__(description=description)
+        description = self.description.format(claim)
+        super(ClaimError, self).__init__(description=description)
+
+
+class InvalidClaimError(ClaimError):
+    """This error is designed for JWT. It raised when the claim contains
+    invalid values or types."""
+
+    error = "invalid_claim"
+    description = "Invalid claim: '{}'"
 
 
-class MissingClaimError(JoseError):
+class MissingClaimError(ClaimError):
     """This error is designed for JWT. It raised when the required
     claims are missing."""
 
-    claim: str
     error = "missing_claim"
-
-    def __init__(self, claim: str):
-        self.claim = claim
-        description = f"Missing claim: '{claim}'"
-        super(MissingClaimError, self).__init__(description=description)
+    description = "Missing claim: '{}'"
 
 
-class InsecureClaimError(JoseError):
+class InsecureClaimError(ClaimError):
     """This error is designed for JWT. It raised when the claim
     contains sensitive information."""
 
-    claim: str
     error = "insecure_claim"
-
-    def __init__(self, claim: str):
-        self.claim = claim
-        description = f"Insecure claim '{claim}'"
-        super(InsecureClaimError, self).__init__(description=description)
+    description = "Insecure claim: '{}'"
 
 
 class ExpiredTokenError(JoseError):