diff --git a/sites/opto.sic.pt/opto.sic.pt.test.js b/sites/opto.sic.pt/opto.sic.pt.test.js
new file mode 100644
index 00000000..7d718f5f
--- /dev/null
+++ b/sites/opto.sic.pt/opto.sic.pt.test.js
@@ -0,0 +1,52 @@
+const { parser, url } = require('./opto.sic.pt.config.js')
+const fs = require('fs')
+const path = require('path')
+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('2025-01-17', 'YYYY-MM-DD').startOf('d')
+const channel = {
+  site_id: '38719848-2a57-42e3-8640-63a9aa39f107',
+  xmltv_id: 'SICNoticias.pt'
+}
+
+it('can generate valid url', () => {
+  expect(url({ date, channel })).toBe(
+    'https://opto.sic.pt/api/v1/content/epg?startDate=1737072000&endDate=1737158400&channels=38719848-2a57-42e3-8640-63a9aa39f107'
+  )
+})
+
+it('can parse response', () => {
+  const content = fs.readFileSync(path.resolve(__dirname, '__data__/content.json'), 'utf8')
+  let results = parser({ content })
+  results = results.map(p => {
+    p.start = p.start.toJSON()
+    p.stop = p.stop.toJSON()
+    return p
+  })
+
+  expect(results.length).toBe(17)
+  expect(results[0]).toMatchObject({
+    start: '2025-01-17T00:00:00.000Z',
+    stop: '2025-01-17T01:45:00.000Z',
+    title: 'JORNAL DA MEIA-NOITE',
+    episode: 16,
+    season: null
+  })
+  expect(results[16]).toMatchObject({
+    start: '2025-01-17T23:00:00.000Z',
+    stop: '2025-01-18T00:00:00.000Z',
+    title: 'EXPRESSO DA MEIA-NOITE',
+    episode: 2,
+    season: null
+  })
+})
+
+it('can handle empty guide', () => {
+  const results = parser({ content: '' })
+
+  expect(results).toMatchObject([])
+})