contacts: integrate readGroup fetching and reading real group name

Author: angelo-v

contacts/src/rdflib/ContactsModuleRdfLib.ts

@@ -13,6 +13,7 @@ import { createAddressBook, createNewContact } from "./update-operations";
 import { executeUpdate } from "./web-operations/executeUpdate";
 import { fetchNode } from "./web-operations/fetchNode";
 import { createNewGroup } from "./update-operations/createNewGroup";
+import { GroupQuery } from "./queries/GroupQuery";
 
 interface ModuleConfig {
   store: IndexedFormula;
@@ -102,9 +103,13 @@ export class ContactsModuleRdfLib implements ContactsModule {
   }
 
   async readGroup(uri: string): Promise<FullGroup> {
+    const groupNode = sym(uri);
+    await this.fetchNode(groupNode);
+    const query = new GroupQuery(this.store, groupNode);
+    const name = query.queryName();
     return {
       uri,
-      name: "Officials",
+      name,
       members: [
         {
           name: "Molly Braaten",

contacts/src/rdflib/read-group.integration.spec.ts

@@ -0,0 +1,40 @@
+import { Fetcher, graph, UpdateManager } from "rdflib";
+import { ContactsModuleRdfLib } from "./ContactsModuleRdfLib";
+import { mockTurtleResponse } from "../test-support/mockResponses";
+
+describe("read group", () => {
+  it("returns the group's name and uri", async () => {
+    const authenticatedFetch = jest.fn();
+
+    const store = graph();
+    const fetcher = new Fetcher(store, {
+      fetch: authenticatedFetch,
+    });
+    const updater = new UpdateManager(store);
+    const contacts = new ContactsModuleRdfLib({
+      store,
+      fetcher,
+      updater,
+    });
+
+    mockTurtleResponse(
+      authenticatedFetch,
+      "https://pod.test/alice/contacts/Group/1/index.ttl",
+      `
+    @prefix vcard: <http://www.w3.org/2006/vcard/ns#>.
+  
+    <#this> a vcard:Group;
+        vcard:fn "Officials".
+`,
+    );
+
+    const result = await contacts.readGroup(
+      "https://pod.test/alice/contacts/Group/1/index.ttl#this",
+    );
+
+    expect(result).toMatchObject({
+      uri: "https://pod.test/alice/contacts/Group/1/index.ttl#this",
+      name: "Officials",
+    });
+  });
+});