1 files changed, 54 insertions, 0 deletions
diff --git a/ui/app/helpers/utils/fetch.test.js b/ui/app/helpers/utils/fetch.test.js
new file mode 100644
index 000000000..12724525a
--- /dev/null
+++ b/ui/app/helpers/utils/fetch.test.js
@@ -0,0 +1,54 @@
+import assert from 'assert'
+import nock from 'nock'
+
+import http from './fetch'
+
+describe('custom fetch fn', () => {
+  it('fetches a url', async () => {
+    nock('https://api.infura.io')
+      .get('/money')
+      .reply(200, '{"hodl": false}')
+
+    const fetch = http()
+    const response = await (await fetch('https://api.infura.io/money')).json()
+    assert.deepEqual(response, {
+      hodl: false,
+    })
+  })
+
+  it('throws when the request hits a custom timeout', async () => {
+    nock('https://api.infura.io')
+      .get('/moon')
+      .delay(2000)
+      .reply(200, '{"moon": "2012-12-21T11:11:11Z"}')
+
+    const fetch = http({
+      timeout: 123,
+    })
+
+    try {
+      await fetch('https://api.infura.io/moon').then(r => r.json())
+      assert.fail('Request should throw')
+    } catch (e) {
+      assert.ok(e)
+    }
+  })
+
+  it('should abort the request when the custom timeout is hit', async () => {
+    nock('https://api.infura.io')
+      .get('/moon')
+      .delay(2000)
+      .reply(200, '{"moon": "2012-12-21T11:11:11Z"}')
+
+    const fetch = http({
+      timeout: 123,
+    })
+
+    try {
+      await fetch('https://api.infura.io/moon').then(r => r.json())
+      assert.fail('Request should be aborted')
+    } catch (e) {
+      assert.deepEqual(e.message, 'Aborted')
+    }
+  })
+})