Integration test for resolvers implementing fields for interface

Reviewed By: monicatang

Differential Revision: D52916612

fbshipit-source-id: 0b2e52b5dc92bf9a4ce29a611bfa4c7232dc945c

compiler/crates/graphql-test-helpers/src/project_fixture.rs

@@ -73,7 +73,10 @@ impl ProjectFixture {
         fs::create_dir_all(dir).expect("Expected to create temp dir");
 
         for (file_name, content) in &self.files {
-            fs::write(dir.join(file_name), content).expect("Expected to write file");
+            let file_path = dir.join(file_name);
+            fs::create_dir_all(file_path.clone().parent().unwrap())
+                .expect("Expected to create dir");
+            fs::write(file_path, content).expect("Expected to write file");
         }
     }
 

compiler/crates/relay-compiler/tests/relay_compiler_integration/fixtures/resolver_on_interface.expected

@@ -0,0 +1,356 @@
+==================================== INPUT ====================================
+//- PersonComponent.js
+graphql`fragment PersonComponentFragment on IPerson {
+  name
+}`
+
+//- UserTypeResolvers.js
+/**
+ * @RelayResolver User implements IPerson
+ */
+
+ /**
+  * @RelayResolver User.name: String
+  */
+
+//- AdminTypeResolvers.js
+/**
+ * @RelayResolver Admin implements IPerson
+ */
+
+ /**
+  * @RelayResolver Admin.name: String
+  */
+
+//- relay.config.json
+{
+  "language": "flow",
+  "jsModuleFormat": "haste",
+  "schema": "schema.graphql",
+  "schemaExtensions": [
+    "schema-extensions"
+  ],
+  "featureFlags": {
+    "enable_relay_resolver_transform": true,
+    "enable_resolver_normalization_ast": true,
+    "relay_resolver_enable_interface_output_type": { "kind": "enabled" }
+  }
+}
+
+//- schema.graphql
+# Empty server schema
+
+//- schema-extensions/extension.graphql
+interface IPerson {
+  id: ID!
+  name: String
+}
+==================================== OUTPUT ===================================
+//- __generated__/Admin____relay_model_instance.graphql.js
+/**
+ * <auto-generated> SignedSource<<8461666cd2581b056dffb184d149c4ae>>
+ * @flow
+ * @lightSyntaxTransform
+ * @nogrep
+ */
+
+/* eslint-disable */
+
+'use strict';
+
+/*::
+import type { Fragment, ReaderFragment } from 'relay-runtime';
+import type { Admin__id$data } from "Admin__id.graphql";
+import type { FragmentType } from "relay-runtime";
+import {Admin as adminRelayModelInstanceResolverType} from "AdminTypeResolvers";
+// Type assertion validating that `adminRelayModelInstanceResolverType` resolver is correctly implemented.
+// A type error here indicates that the type signature of the resolver module is incorrect.
+(adminRelayModelInstanceResolverType: (
+  id: Admin__id$data['id'],
+) => mixed);
+declare export opaque type Admin____relay_model_instance$fragmentType: FragmentType;
+export type Admin____relay_model_instance$data = {|
+  +__relay_model_instance: ?ReturnType<typeof adminRelayModelInstanceResolverType>,
+  +$fragmentType: Admin____relay_model_instance$fragmentType,
+|};
+export type Admin____relay_model_instance$key = {
+  +$data?: Admin____relay_model_instance$data,
+  +$fragmentSpreads: Admin____relay_model_instance$fragmentType,
+  ...
+};
+*/
+
+var node/*: ReaderFragment*/ = {
+  "argumentDefinitions": [],
+  "kind": "Fragment",
+  "metadata": null,
+  "name": "Admin____relay_model_instance",
+  "selections": [
+    {
+      "alias": null,
+      "args": null,
+      "fragment": {
+        "args": null,
+        "kind": "FragmentSpread",
+        "name": "Admin__id"
+      },
+      "kind": "RelayResolver",
+      "name": "__relay_model_instance",
+      "resolverModule": require('relay-runtime/experimental').resolverDataInjector(require('Admin__id.graphql'), require('AdminTypeResolvers').Admin, 'id', true),
+      "path": "__relay_model_instance"
+    }
+  ],
+  "type": "Admin",
+  "abstractKey": null
+};
+
+module.exports = ((node/*: any*/)/*: Fragment<
+  Admin____relay_model_instance$fragmentType,
+  Admin____relay_model_instance$data,
+>*/);
+
+//- __generated__/Admin__id.graphql.js
+/**
+ * <auto-generated> SignedSource<<29acfbf1d6f559b8b77e9cd1f35218c0>>
+ * @flow
+ * @lightSyntaxTransform
+ * @nogrep
+ */
+
+/* eslint-disable */
+
+'use strict';
+
+/*::
+import type { Fragment, ReaderFragment } from 'relay-runtime';
+import type { FragmentType } from "relay-runtime";
+declare export opaque type Admin__id$fragmentType: FragmentType;
+export type Admin__id$data = {|
+  +id: string,
+  +$fragmentType: Admin__id$fragmentType,
+|};
+export type Admin__id$key = {
+  +$data?: Admin__id$data,
+  +$fragmentSpreads: Admin__id$fragmentType,
+  ...
+};
+*/
+
+var node/*: ReaderFragment*/ = {
+  "argumentDefinitions": [],
+  "kind": "Fragment",
+  "metadata": null,
+  "name": "Admin__id",
+  "selections": [
+    {
+      "kind": "ClientExtension",
+      "selections": [
+        {
+          "alias": null,
+          "args": null,
+          "kind": "ScalarField",
+          "name": "id",
+          "storageKey": null
+        }
+      ]
+    }
+  ],
+  "type": "Admin",
+  "abstractKey": null
+};
+
+module.exports = ((node/*: any*/)/*: Fragment<
+  Admin__id$fragmentType,
+  Admin__id$data,
+>*/);
+
+//- __generated__/PersonComponentFragment.graphql.js
+/**
+ * <auto-generated> SignedSource<<0c7a40c7d7335bf20aeaf1274db556b1>>
+ * @flow
+ * @lightSyntaxTransform
+ * @nogrep
+ */
+
+/* eslint-disable */
+
+'use strict';
+
+/*::
+import type { Fragment, ReaderFragment } from 'relay-runtime';
+import type { FragmentType } from "relay-runtime";
+declare export opaque type PersonComponentFragment$fragmentType: FragmentType;
+export type PersonComponentFragment$data = {|
+  +name: ?string,
+  +$fragmentType: PersonComponentFragment$fragmentType,
+|};
+export type PersonComponentFragment$key = {
+  +$data?: PersonComponentFragment$data,
+  +$fragmentSpreads: PersonComponentFragment$fragmentType,
+  ...
+};
+*/
+
+var node/*: ReaderFragment*/ = (function(){
+var v0 = [
+  {
+    "alias": null,
+    "args": null,
+    "kind": "ScalarField",
+    "name": "name",
+    "storageKey": null
+  }
+];
+return {
+  "argumentDefinitions": [],
+  "kind": "Fragment",
+  "metadata": null,
+  "name": "PersonComponentFragment",
+  "selections": [
+    {
+      "kind": "ClientExtension",
+      "selections": [
+        {
+          "kind": "InlineFragment",
+          "selections": (v0/*: any*/),
+          "type": "Admin",
+          "abstractKey": null
+        },
+        {
+          "kind": "InlineFragment",
+          "selections": (v0/*: any*/),
+          "type": "User",
+          "abstractKey": null
+        }
+      ]
+    }
+  ],
+  "type": "IPerson",
+  "abstractKey": "__isIPerson"
+};
+})();
+
+(node/*: any*/).hash = "a57dd30bd59412781e9566e1553e2d70";
+
+module.exports = ((node/*: any*/)/*: Fragment<
+  PersonComponentFragment$fragmentType,
+  PersonComponentFragment$data,
+>*/);
+
+//- __generated__/User____relay_model_instance.graphql.js
+/**
+ * <auto-generated> SignedSource<<94945c0964315b1c832485dc58b5ff38>>
+ * @flow
+ * @lightSyntaxTransform
+ * @nogrep
+ */
+
+/* eslint-disable */
+
+'use strict';
+
+/*::
+import type { Fragment, ReaderFragment } from 'relay-runtime';
+import type { User__id$data } from "User__id.graphql";
+import type { FragmentType } from "relay-runtime";
+import {User as userRelayModelInstanceResolverType} from "UserTypeResolvers";
+// Type assertion validating that `userRelayModelInstanceResolverType` resolver is correctly implemented.
+// A type error here indicates that the type signature of the resolver module is incorrect.
+(userRelayModelInstanceResolverType: (
+  id: User__id$data['id'],
+) => mixed);
+declare export opaque type User____relay_model_instance$fragmentType: FragmentType;
+export type User____relay_model_instance$data = {|
+  +__relay_model_instance: ?ReturnType<typeof userRelayModelInstanceResolverType>,
+  +$fragmentType: User____relay_model_instance$fragmentType,
+|};
+export type User____relay_model_instance$key = {
+  +$data?: User____relay_model_instance$data,
+  +$fragmentSpreads: User____relay_model_instance$fragmentType,
+  ...
+};
+*/
+
+var node/*: ReaderFragment*/ = {
+  "argumentDefinitions": [],
+  "kind": "Fragment",
+  "metadata": null,
+  "name": "User____relay_model_instance",
+  "selections": [
+    {
+      "alias": null,
+      "args": null,
+      "fragment": {
+        "args": null,
+        "kind": "FragmentSpread",
+        "name": "User__id"
+      },
+      "kind": "RelayResolver",
+      "name": "__relay_model_instance",
+      "resolverModule": require('relay-runtime/experimental').resolverDataInjector(require('User__id.graphql'), require('UserTypeResolvers').User, 'id', true),
+      "path": "__relay_model_instance"
+    }
+  ],
+  "type": "User",
+  "abstractKey": null
+};
+
+module.exports = ((node/*: any*/)/*: Fragment<
+  User____relay_model_instance$fragmentType,
+  User____relay_model_instance$data,
+>*/);
+
+//- __generated__/User__id.graphql.js
+/**
+ * <auto-generated> SignedSource<<0a0f39eb34bfc882d28378a0b05b3c17>>
+ * @flow
+ * @lightSyntaxTransform
+ * @nogrep
+ */
+
+/* eslint-disable */
+
+'use strict';
+
+/*::
+import type { Fragment, ReaderFragment } from 'relay-runtime';
+import type { FragmentType } from "relay-runtime";
+declare export opaque type User__id$fragmentType: FragmentType;
+export type User__id$data = {|
+  +id: string,
+  +$fragmentType: User__id$fragmentType,
+|};
+export type User__id$key = {
+  +$data?: User__id$data,
+  +$fragmentSpreads: User__id$fragmentType,
+  ...
+};
+*/
+
+var node/*: ReaderFragment*/ = {
+  "argumentDefinitions": [],
+  "kind": "Fragment",
+  "metadata": null,
+  "name": "User__id",
+  "selections": [
+    {
+      "kind": "ClientExtension",
+      "selections": [
+        {
+          "alias": null,
+          "args": null,
+          "kind": "ScalarField",
+          "name": "id",
+          "storageKey": null
+        }
+      ]
+    }
+  ],
+  "type": "User",
+  "abstractKey": null
+};
+
+module.exports = ((node/*: any*/)/*: Fragment<
+  User__id$fragmentType,
+  User__id$data,
+>*/);