Test to show @refetchable preferFetchable boolean value being ignored

Reviewed By: captbaritone

Differential Revision: D95477936

fbshipit-source-id: 72eba026098727d9c52d0bf3b9bec0ba09d33c7f

Author: evanyeung

compiler/crates/relay-transforms/tests/refetchable_fragment/fixtures/refetchable-prefer-fetchable-false-uses-node.expected

@@ -0,0 +1,43 @@
+==================================== INPUT ====================================
+# When a type implements both Node and @fetchable, setting
+# preferFetchable: false should use the Node refetch strategy
+# (same as omitting the argument). Before the fix, the boolean
+# value was ignored and presence alone triggered fetchable-preferred.
+fragment RefetchableFragment on FetchableType
+  @refetchable(queryName: "RefetchableFragmentQuery", preferFetchable: false) {
+  fetch_id
+}
+==================================== OUTPUT ===================================
+query RefetchableFragmentQuery(
+  $id: ID!
+) @__RefetchableDerivedFromMetadata
+# RefetchableDerivedFromMetadata(
+#     FragmentDefinitionName(
+#         "RefetchableFragment",
+#     ),
+# )
+ {
+  fetch__FetchableType(fetch_id: $id) {
+    ...RefetchableFragment
+  }
+}
+
+fragment RefetchableFragment on FetchableType @refetchable(queryName: "RefetchableFragmentQuery", preferFetchable: false) @__RefetchableMetadata
+# RefetchableMetadata {
+#     operation_name: OperationDefinitionName(
+#         "RefetchableFragmentQuery",
+#     ),
+#     path: [
+#         "fetch__FetchableType",
+#     ],
+#     identifier_info: Some(
+#         RefetchableIdentifierInfo {
+#             identifier_field: "fetch_id",
+#             identifier_query_variable_name: "id",
+#         },
+#     ),
+#     is_prefetchable_pagination: false,
+# }
+ {
+  fetch_id
+}

compiler/crates/relay-transforms/tests/refetchable_fragment/fixtures/refetchable-prefer-fetchable-false-uses-node.graphql

@@ -0,0 +1,8 @@
+# When a type implements both Node and @fetchable, setting
+# preferFetchable: false should use the Node refetch strategy
+# (same as omitting the argument). Before the fix, the boolean
+# value was ignored and presence alone triggered fetchable-preferred.
+fragment RefetchableFragment on FetchableType
+  @refetchable(queryName: "RefetchableFragmentQuery", preferFetchable: false) {
+  fetch_id
+}

compiler/crates/relay-transforms/tests/refetchable_fragment_test.rs

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<b5ce6ba653f419089b892dcdd3b4b32d>>
+ * @generated SignedSource<<174358d8fb5b8abb9eb20e7994daa41e>>
  */
 
 mod refetchable_fragment;
@@ -228,3 +228,10 @@ async fn refetchable_interface_some_types_impl_node() {
     let expected = include_str!("refetchable_fragment/fixtures/refetchable-interface-some-types-impl-node.expected");
     test_fixture(transform_fixture, file!(), "refetchable-interface-some-types-impl-node.graphql", "refetchable_fragment/fixtures/refetchable-interface-some-types-impl-node.expected", input, expected).await;
 }
+
+#[tokio::test]
+async fn refetchable_prefer_fetchable_false_uses_node() {
+    let input = include_str!("refetchable_fragment/fixtures/refetchable-prefer-fetchable-false-uses-node.graphql");
+    let expected = include_str!("refetchable_fragment/fixtures/refetchable-prefer-fetchable-false-uses-node.expected");
+    test_fixture(transform_fixture, file!(), "refetchable-prefer-fetchable-false-uses-node.graphql", "refetchable_fragment/fixtures/refetchable-prefer-fetchable-false-uses-node.expected", input, expected).await;
+}