fix: honor rename_all_fields, add tests (#304)

schemars/tests/enum.rs

@@ -146,3 +146,40 @@ enum NoVariants {}
 fn enum_no_variants() -> TestResult {
     test_default_generated_schema::<NoVariants>("no-variants")
 }
+
+#[derive(JsonSchema)]
+#[serde(rename_all_fields = "PascalCase")]
+pub enum RenameAllFields {
+    First {
+        nested_attribute: std::string::String,
+    },
+}
+
+#[derive(JsonSchema)]
+#[serde(rename_all = "snake_case")]
+pub enum RenameAll {
+    First { nested_attribute: bool },
+}
+
+#[derive(JsonSchema)]
+pub enum RenameAttribute {
+    First {
+        #[serde(rename = "RenamedAttribute")]
+        nested_attribute: std::string::String,
+    },
+}
+
+#[test]
+fn enum_unit_rename_attribute() -> TestResult {
+    test_default_generated_schema::<RenameAttribute>("enum-rename-attr")
+}
+
+#[test]
+fn enum_unit_rename_all_fields() -> TestResult {
+    test_default_generated_schema::<RenameAllFields>("enum-rename-all-fields")
+}
+
+#[test]
+fn enum_unit_rename_all() -> TestResult {
+    test_default_generated_schema::<RenameAll>("enum-rename-all")
+}

schemars/tests/expected/enum-rename-all-fields.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "RenameAllFields",
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "First": {
+          "type": "object",
+          "properties": {
+            "NestedAttribute": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "NestedAttribute"
+          ]
+        }
+      },
+      "required": [
+        "First"
+      ],
+      "additionalProperties": false
+    }
+  ]
+}

schemars/tests/expected/enum-rename-all.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "RenameAll",
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "first": {
+          "type": "object",
+          "properties": {
+            "nested_attribute": {
+              "type": "boolean"
+            }
+          },
+          "required": [
+            "nested_attribute"
+          ]
+        }
+      },
+      "required": [
+        "first"
+      ],
+      "additionalProperties": false
+    }
+  ]
+}

schemars/tests/expected/enum-rename-attr.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "RenameAttribute",
+  "oneOf": [
+    {
+      "type": "object",
+      "properties": {
+        "First": {
+          "type": "object",
+          "properties": {
+            "RenamedAttribute": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "RenamedAttribute"
+          ]
+        }
+      },
+      "required": [
+        "First"
+      ],
+      "additionalProperties": false
+    }
+  ]
+}

schemars_derive/src/attr/schemars_to_serde.rs

@@ -10,6 +10,7 @@ use super::get_meta_items;
 pub(crate) static SERDE_KEYWORDS: &[&str] = &[
     "rename",
     "rename_all",
+    "rename_all_fields",
     "deny_unknown_fields",
     "tag",
     "content",