add test

Author: huo

docs/CHANGELOG.md

@@ -32,6 +32,7 @@ Note that genqlient now requires Go 1.23 or higher, and is tested through Go 1.2
 
 ### Bug fixes:
 
+- fixed `pointer_omitempty` not being applied to list types when `use_struct_references` is enabled. List fields like `[String!]` now correctly get the `omitempty` JSON tag.
 - fixed minor typos and grammatical issues across the project
 
 ## v0.8.1

generate/generate_test.go

@@ -245,6 +245,7 @@ func TestGenerateWithConfig(t *testing.T) {
 			"PointersOmitEmpty.graphql",
 			"Omitempty.graphql",
 			"ListInput.graphql",
+			"ListInputOmitempty.graphql",
 		}, &Config{
 			Optional: "pointer_omitempty",
 			Bindings: map[string]*TypeBinding{

generate/testdata/queries/ListInputOmitempty.graphql

@@ -0,0 +1,5 @@
+query ListInputOmitemptyQuery($names: [String!]) {
+  user(query: {names: $names}) {
+    id
+  }
+}

generate/testdata/snapshots/TestGenerate-ListInputOmitempty.graphql-ListInputOmitempty.graphql.go

@@ -0,0 +1,9 @@
+{
+  "operations": [
+    {
+      "operationName": "ListInputOmitemptyQuery",
+      "query": "\nquery ListInputOmitemptyQuery ($names: [String!]) {\n\tuser(query: {names:$names}) {\n\t\tid\n\t}\n}\n",
+      "sourceLocation": "testdata/queries/ListInputOmitempty.graphql"
+    }
+  ]
+}