1 files changed, 62 insertions, 0 deletions
diff --git a/packages/merchant-backend-ui/tests/util.ts b/packages/merchant-backend-ui/tests/util.ts
new file mode 100644
index 000000000..14b82b51c
--- /dev/null
+++ b/packages/merchant-backend-ui/tests/util.ts
@@ -0,0 +1,62 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+*
+* @author Sebastian Javier Marchano (sebasjm)
+*/
+import * as axios from 'axios';
+
+type Query<Req, Res> = (GetQuery | PostQuery | DeleteQuery | PatchQuery) & RequestResponse<Req, Res>
+
+interface RequestResponse<Req, Res> {
+  request?: Req,
+  params?: any,
+  response?: Res,
+}
+interface GetQuery { get: string }
+interface PostQuery { post: string }
+interface DeleteQuery { delete: string }
+interface PatchQuery { patch: string }
+
+export function simulateBackendResponse<R, T>(query: Query<R, T>): void {
+  (axios.default as jest.MockedFunction<axios.AxiosStatic>).mockImplementationOnce(function (opt?: axios.AxiosRequestConfig): axios.AxiosPromise {
+      // console.log(opt, JSON.stringify(query,undefined,2))
+      expect(opt).toBeDefined();
+      if (!opt)
+        return Promise.reject();
+
+      // expect(query.request).toStrictEqual(opt.data);
+      // expect(query.params).toStrictEqual(opt.params);
+      if ('get' in query) {
+        expect(opt.method).toBe('get');
+        expect(opt.url).toBe(query.get);
+      }
+      if ('post' in query) {
+        expect(opt.method).toBe('post');
+        expect(opt.url).toBe(query.post);
+      }
+      if ('delete' in query) {
+        expect(opt.method).toBe('delete');
+        expect(opt.url).toBe(query.delete);
+      }
+      if ('patch' in query) {
+        expect(opt.method).toBe('patch');
+        expect(opt.url).toBe(query.patch);
+      }
+      return ({ data: query.response, config: {} } as any);
+    } as any)
+}