test: add test for extra config

Author: khalo-sa

tests/expected_results/extra_fields/v1/input.py

@@ -0,0 +1,9 @@
+from pydantic import BaseModel, Extra
+
+
+class ModelAllow(BaseModel, extra=Extra.allow):
+    a: str
+
+class ModelDefault(BaseModel):
+    a: str
+

tests/expected_results/extra_fields/v1/output.ts

@@ -0,0 +1,14 @@
+/* tslint:disable */
+/* eslint-disable */
+/**
+/* This file was automatically generated from pydantic models by running pydantic2ts.
+/* Do not modify it by hand - just update the pydantic models and then re-run the script
+*/
+
+export interface ModelAllow {
+  a: string;
+  [k: string]: unknown;
+}
+export interface ModelDefault {
+  a: string;
+}

tests/expected_results/extra_fields/v2/input.py

@@ -0,0 +1,20 @@
+from pydantic import BaseModel, ConfigDict
+
+
+class ModelExtraAllow(BaseModel):
+    model_config = ConfigDict(extra="allow")
+    a: str
+
+
+class ModelExtraForbid(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+    a: str
+
+
+class ModelExtraIgnore(BaseModel):
+    model_config = ConfigDict(extra="ignore")
+    a: str
+
+
+class ModelExtraNone(BaseModel):
+    a: str

tests/expected_results/extra_fields/v2/output.ts

@@ -0,0 +1,20 @@
+/* tslint:disable */
+/* eslint-disable */
+/**
+/* This file was automatically generated from pydantic models by running pydantic2ts.
+/* Do not modify it by hand - just update the pydantic models and then re-run the script
+*/
+
+export interface ModelExtraAllow {
+  a: string;
+  [k: string]: unknown;
+}
+export interface ModelExtraForbid {
+  a: string;
+}
+export interface ModelExtraIgnore {
+  a: string;
+}
+export interface ModelExtraNone {
+  a: string;
+}

tests/test_script.py

@@ -87,6 +87,9 @@ def test_computed_fields(tmpdir):
         pytest.skip("Computed fields are a pydantic v2 feature")
     run_test(tmpdir, "computed_fields")
 
+def test_extra_fields(tmpdir):
+    run_test(tmpdir, "extra_fields")
+
 
 def test_relative_filepath(tmpdir):
     test_name = "single_module"