diff --git a/sites/tv.mail.ru/tv.mail.ru.test.js b/sites/tv.mail.ru/tv.mail.ru.test.js
new file mode 100644
index 00000000..e7c5c907
--- /dev/null
+++ b/sites/tv.mail.ru/tv.mail.ru.test.js
@@ -0,0 +1,71 @@
+// npx epg-grabber --config=sites/tv.mail.ru/tv.mail.ru.config.js --channels=sites/tv.mail.ru/tv.mail.ru_am.channels.xml --output=.gh-pages/guides/am/tv.mail.ru.epg.xml --days=2
+
+const { parser, url, logo } = require('./tv.mail.ru.config.js')
+const dayjs = require('dayjs')
+const utc = require('dayjs/plugin/utc')
+const customParseFormat = require('dayjs/plugin/customParseFormat')
+dayjs.extend(customParseFormat)
+dayjs.extend(utc)
+
+const date = dayjs.utc('2021-11-24', 'YYYY-MM-DD').startOf('d')
+const channel = {
+  site_id: '2785',
+  xmltv_id: '21TV.am'
+}
+const content = `{"status":"OK","schedule":[{"channel":{"name":"21TV","pic_url":"https://resizer.mail.ru/p/1234c5ac-c19c-5cf2-9c6a-fc0efca920ac/AAACm2w9aDpGPSWXzsH7PBq2X3I6pbxqmrj-yeuVppAKyyBHXE_dH_7pHQ2rOavyKiC4iHIWTab9SeKo7pKgr71lqVA.png","pic_url_128":"https://resizer.mail.ru/p/1234c5ac-c19c-5cf2-9c6a-fc0efca920ac/AAACwjJ45j9sTP8fcjPJnJ4xk5e_ILr5iXwjLMhWhzlVnIJkrtT42vEp9walcgpXRKDq9KFoliEPR0xI-LEh96C_izY.png","pic_url_64":"https://resizer.mail.ru/p/1234c5ac-c19c-5cf2-9c6a-fc0efca920ac/dpr:200/AAACm2w9aDpGPSWXzsH7PBq2X3I6pbxqmrj-yeuVppAKyyBHXE_dH_7pHQ2rOavyKiC4iHIWTab9SeKo7pKgr71lqVA.png"},"event":{"current":[{"channel_id":"2785","name":"Պրոֆեսիոնալները","category_id":8,"episode_title":"","url":"/moskva/channel/2785/173593246/","id":"173593246","start":"02:40","episode_num":0},{"channel_id":"2785","name":"Նոնստոպ․ Տեսահոլովակներ","category_id":23,"episode_title":"","url":"/moskva/channel/2785/173593142/","id":"173593142","start":"03:25","episode_num":0}],"past":[{"channel_id":"2785","name":"Նոնստոպ․ Տեսահոլովակներ","category_id":23,"episode_title":"","url":"/moskva/channel/2785/173593328/","id":"173593328","start":"23:35","episode_num":0},{"channel_id":"2785","video":{"currency":"RUB","price_min":"249.00","price_txt":"249 р."},"name":"Վերջին թագավորությունը","category_id":2,"episode_title":"","url":"/moskva/channel/2785/173593318/","id":"173593318","start":"01:40","our_event_id":"890224","episode_num":0}]}}]}`
+
+it('can generate valid url', () => {
+  expect(url({ channel, date })).toBe(
+    'https://tv.mail.ru/ajax/channel/?region_id=70&channel_id=2785&date=2021-11-24'
+  )
+})
+
+it('can generate valid logo url', () => {
+  expect(logo({ content })).toBe(
+    'https://resizer.mail.ru/p/1234c5ac-c19c-5cf2-9c6a-fc0efca920ac/AAACwjJ45j9sTP8fcjPJnJ4xk5e_ILr5iXwjLMhWhzlVnIJkrtT42vEp9walcgpXRKDq9KFoliEPR0xI-LEh96C_izY.png'
+  )
+})
+
+it('can parse response', () => {
+  const result = parser({ content, date }).map(p => {
+    p.start = p.start.toJSON()
+    p.stop = p.stop.toJSON()
+    return p
+  })
+
+  expect(result).toMatchObject([
+    {
+      start: '2021-11-24T20:35:00.000Z',
+      stop: '2021-11-24T22:40:00.000Z',
+      title: `Նոնստոպ․ Տեսահոլովակներ`,
+      category: 'Музыка'
+    },
+    {
+      start: '2021-11-24T22:40:00.000Z',
+      stop: '2021-11-24T23:40:00.000Z',
+      title: `Վերջին թագավորությունը`,
+      category: 'Сериал'
+    },
+    {
+      start: '2021-11-24T23:40:00.000Z',
+      stop: '2021-11-25T00:25:00.000Z',
+      title: `Պրոֆեսիոնալները`,
+      category: 'Позновательное'
+    },
+    {
+      start: '2021-11-25T00:25:00.000Z',
+      stop: '2021-11-25T01:25:00.000Z',
+      title: `Նոնստոպ․ Տեսահոլովակներ`,
+      category: 'Музыка'
+    }
+  ])
+})
+
+it('can handle empty guide', () => {
+  const result = parser({
+    date,
+    channel,
+    content: `{"status":"OK","current_ts":1637788593,"form":{"values":[]},"current_offset":10800,"schedule":[{"channel":null,"event":{"current":[],"past":[]}}]}`
+  })
+  expect(result).toMatchObject([])
+})