feat(low-code cdk): add interpolation for limit field in Rate (#353)

Co-authored-by: octavia-squidington-iii <[email protected]>

Author: lazebnyi

airbyte_cdk/sources/declarative/declarative_component_schema.yaml

@@ -1490,7 +1490,11 @@ definitions:
       limit:
         title: Limit
         description: The maximum number of calls allowed within the interval.
-        type: integer
+        anyOf:
+          - type: integer
+          - type: string
+        interpolation_context:
+          - config
       interval:
         title: Interval
         description: The time interval for the rate limit.

airbyte_cdk/sources/declarative/models/declarative_component_schema.py

@@ -646,7 +646,7 @@ class Rate(BaseModel):
     class Config:
         extra = Extra.allow
 
-    limit: int = Field(
+    limit: Union[int, str] = Field(
         ...,
         description="The maximum number of calls allowed within the interval.",
         title="Limit",

airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py

@@ -3024,8 +3024,9 @@ def create_unlimited_call_rate_policy(
         )
 
     def create_rate(self, model: RateModel, config: Config, **kwargs: Any) -> Rate:
+        interpolated_limit = InterpolatedString.create(str(model.limit), parameters={})
         return Rate(
-            limit=model.limit,
+            limit=int(interpolated_limit.eval(config=config)),
             interval=parse_duration(model.interval),
         )
 

unit_tests/sources/declarative/requesters/test_http_requester.py

@@ -946,7 +946,7 @@ def test_backoff_strategy_from_manifest_is_respected(http_requester_factory: Any
     )
 
 
-def test_http_requester_with_mock_apibudget(http_requester_factory, monkeypatch):
+def test_http_requester_with_mock_api_budget(http_requester_factory, monkeypatch):
     mock_budget = MagicMock(spec=HttpAPIBudget)
 
     requester = http_requester_factory(