diff --git a/sites/nhkworldpremium.com/nhkworldpremium.com.test.js b/sites/nhkworldpremium.com/nhkworldpremium.com.test.js
new file mode 100644
index 00000000..db012b05
--- /dev/null
+++ b/sites/nhkworldpremium.com/nhkworldpremium.com.test.js
@@ -0,0 +1,91 @@
+// npx epg-grabber --config=sites/nhkworldpremium.com/nhkworldpremium.com.config.js --channels=sites/nhkworldpremium.com/nhkworldpremium.com_en.channels.xml --output=guide.xml
+// npx epg-grabber --config=sites/nhkworldpremium.com/nhkworldpremium.com.config.js --channels=sites/nhkworldpremium.com/nhkworldpremium.com_ja.channels.xml --output=guide.xml
+
+const { parser, url, request } = require('./nhkworldpremium.com.config.js')
+const fs = require('fs')
+const path = require('path')
+const axios = require('axios')
+const dayjs = require('dayjs')
+const utc = require('dayjs/plugin/utc')
+const customParseFormat = require('dayjs/plugin/customParseFormat')
+dayjs.extend(customParseFormat)
+dayjs.extend(utc)
+
+jest.mock('axios')
+
+const date = dayjs.utc('2023-07-10', 'YYYY-MM-DD').startOf('d')
+const channel = {
+  site_id: '#',
+  xmltv_id: 'NHKWorldPremium.jp',
+  lang: 'en'
+}
+
+it('can generate valid url', () => {
+  expect(url({ channel })).toBe('https://nhkworldpremium.com/backend/api/v1/front/episodes?lang=en')
+})
+
+it('can generate valid url for Japanese guide', () => {
+  const channel = {
+    site_id: '#',
+    xmltv_id: 'NHKWorldPremium.jp',
+    lang: 'ja'
+  }
+
+  expect(url({ channel })).toBe('https://nhkworldpremium.com/backend/api/v1/front/episodes?lang=ja')
+})
+
+it('can parse response', () => {
+  const content = fs.readFileSync(path.resolve(__dirname, '__data__/content_en.json'))
+  let results = parser({ content, date })
+  results = results.map(p => {
+    p.start = p.start.toJSON()
+    p.stop = p.stop.toJSON()
+    return p
+  })
+
+  expect(results.length).toBe(56)
+  expect(results[0]).toMatchObject({
+    start: '2023-07-09T15:35:00.000Z',
+    stop: '2023-07-09T16:20:00.000Z',
+    title: 'NHK Amateur Singing Contest',
+    sub_title: '"Maizuru City, Kyoto Prefecture"'
+  })
+
+  expect(results[55]).toMatchObject({
+    start: '2023-07-10T14:35:00.000Z',
+    stop: '2023-07-10T15:15:00.000Z',
+    title: 'International News Report 2023',
+    sub_title: null
+  })
+})
+
+it('can parse response with Japanese guide', () => {
+  const content = fs.readFileSync(path.resolve(__dirname, '__data__/content_ja.json'))
+  let results = parser({ content, date })
+  results = results.map(p => {
+    p.start = p.start.toJSON()
+    p.stop = p.stop.toJSON()
+    return p
+  })
+
+  expect(results.length).toBe(56)
+  expect(results[0]).toMatchObject({
+    start: '2023-07-09T15:35:00.000Z',
+    stop: '2023-07-09T16:20:00.000Z',
+    title: 'NHKのど自慢',
+    sub_title: '【京都から生放送！▽前川清・相川七瀬】'
+  })
+
+  expect(results[55]).toMatchObject({
+    start: '2023-07-10T14:35:00.000Z',
+    stop: '2023-07-10T15:15:00.000Z',
+    title: '国際報道2023',
+    sub_title: null
+  })
+})
+
+it('can handle empty guide', () => {
+  const results = parser({ content: {}, date })
+
+  expect(results).toMatchObject([])
+})