From 8fe0bddc5b4a79ff8eb3a08191da2839fb34bea6 Mon Sep 17 00:00:00 2001
From: Jamie Tanna <jamie@jamietanna.co.uk>
Date: Sun, 11 May 2025 11:19:14 +0100
Subject: [PATCH] chore(tests): add additional test case for underscore naming

As highlighted in #1767.
---
 internal/test/issues/issue1767/config.yaml    |  7 +++++++
 internal/test/issues/issue1767/generate.go    |  3 +++
 .../test/issues/issue1767/issue1767.gen.go    | 17 ++++++++++++++++
 internal/test/issues/issue1767/openapi.yaml   | 20 +++++++++++++++++++
 4 files changed, 47 insertions(+)
 create mode 100644 internal/test/issues/issue1767/config.yaml
 create mode 100644 internal/test/issues/issue1767/generate.go
 create mode 100644 internal/test/issues/issue1767/issue1767.gen.go
 create mode 100644 internal/test/issues/issue1767/openapi.yaml

diff --git a/internal/test/issues/issue1767/config.yaml b/internal/test/issues/issue1767/config.yaml
new file mode 100644
index 0000000000..c1bfe0b5b6
--- /dev/null
+++ b/internal/test/issues/issue1767/config.yaml
@@ -0,0 +1,7 @@
+# yaml-language-server: $schema=../../../../configuration-schema.json
+package: issue1767
+generate:
+  models: true
+output: issue1767.gen.go
+output-options:
+  skip-prune: true
diff --git a/internal/test/issues/issue1767/generate.go b/internal/test/issues/issue1767/generate.go
new file mode 100644
index 0000000000..3f8e1ef572
--- /dev/null
+++ b/internal/test/issues/issue1767/generate.go
@@ -0,0 +1,3 @@
+package issue1767
+
+//go:generate go run github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen --config=config.yaml openapi.yaml
diff --git a/internal/test/issues/issue1767/issue1767.gen.go b/internal/test/issues/issue1767/issue1767.gen.go
new file mode 100644
index 0000000000..1e7bdaddbb
--- /dev/null
+++ b/internal/test/issues/issue1767/issue1767.gen.go
@@ -0,0 +1,17 @@
+// Package issue1767 provides primitives to interact with the openapi HTTP API.
+//
+// Code generated by github.com/oapi-codegen/oapi-codegen/v2 version v2.0.0-00010101000000-000000000000 DO NOT EDIT.
+package issue1767
+
+import (
+	openapi_types "github.com/oapi-codegen/runtime/types"
+)
+
+// Alarm Alarm Information
+type Alarm struct {
+	// UnderscoreId Identifier of the Alarm.
+	UnderscoreId *openapi_types.UUID `json:"_id,omitempty"`
+
+	// Id Identifier of the Alarm.
+	Id *openapi_types.UUID `json:"id,omitempty"`
+}
diff --git a/internal/test/issues/issue1767/openapi.yaml b/internal/test/issues/issue1767/openapi.yaml
new file mode 100644
index 0000000000..5964395ed0
--- /dev/null
+++ b/internal/test/issues/issue1767/openapi.yaml
@@ -0,0 +1,20 @@
+openapi: "3.0.0"
+info:
+  version: 1.0.0
+  title: "An underscore in the name of a field is remapped to `Underscore`"
+paths:
+components:
+  schemas:
+    Alarm:
+      description: |
+        Alarm Information
+      type: object
+      properties:
+        _id:
+          description: Identifier of the Alarm.
+          type: string
+          format: uuid
+        id:
+          description: Identifier of the Alarm.
+          type: string
+          format: uuid