Add basic tests for dataProvider

Change-Id: Ib399cbb4e927ab18f714371e07606df83170df52

src/setupTests.js

@@ -1,4 +1,6 @@
 import { configure } from "enzyme";
 import Adapter from "enzyme-adapter-react-16";
+import fetchMock from "jest-fetch-mock";
 
 configure({ adapter: new Adapter() });
+fetchMock.enableMocks();

src/synapse/dataProvider.test.js

@@ -0,0 +1,78 @@
+import dataProvider from "./dataProvider";
+
+beforeEach(() => {
+  fetch.resetMocks();
+});
+
+describe("dataProvider", () => {
+  localStorage.setItem("base_url", "http://localhost");
+  localStorage.setItem("access_token", "access_token");
+
+  it("fetches all users", async () => {
+    fetch.mockResponseOnce(
+      JSON.stringify({
+        users: [
+          {
+            name: "user_id1",
+            password_hash: "password_hash1",
+            is_guest: 0,
+            admin: 0,
+            user_type: null,
+            deactivated: 0,
+            displayname: "User One",
+          },
+          {
+            name: "user_id2",
+            password_hash: "password_hash2",
+            is_guest: 0,
+            admin: 1,
+            user_type: null,
+            deactivated: 0,
+            displayname: "User Two",
+          },
+        ],
+        next_token: "100",
+        total: 200,
+      })
+    );
+
+    const users = await dataProvider.getList("users", {
+      pagination: { page: 1, perPage: 5 },
+      sort: { field: "title", order: "ASC" },
+      filter: { author_id: 12 },
+    });
+
+    expect(users["data"][0]["id"]).toEqual("user_id1");
+    expect(users["total"]).toEqual(200);
+    expect(fetch).toHaveBeenCalledTimes(1);
+  });
+
+  it("fetches one user", async () => {
+    fetch.mockResponseOnce(
+      JSON.stringify({
+        name: "user_id1",
+        password: "user_password",
+        displayname: "User",
+        threepids: [
+          {
+            medium: "email",
+            address: "user@mail_1.com",
+          },
+          {
+            medium: "email",
+            address: "user@mail_2.com",
+          },
+        ],
+        avatar_url: "mxc://localhost/user1",
+        admin: false,
+        deactivated: false,
+      })
+    );
+
+    const user = await dataProvider.getOne("users", { id: "user_id1" });
+
+    expect(user["data"]["id"]).toEqual("user_id1");
+    expect(user["data"]["displayname"]).toEqual("User");
+    expect(fetch).toHaveBeenCalledTimes(1);
+  });
+});