scraper.test.js

const ytcm = require('../index')

describe('Standalone Mode: Comment Testing', () => {
  console.log('Please be advised that these tests only cover the Standalone mode of the module.\nThe Integration mode with applications like Electron cannot be tested without including such tools.\nUnder normal circumstances Integration mode should work, if comments on FreeTube work.')

  test('Scrape top video comments of first page', () => {
    const parameters = { videoId: 'oBLQmE-nG60', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments).not.toHaveLength(0)
    })
  })

  test('Scrape newest video comments of first page', () => {
    const parameters = { videoId: 'oBLQmE-nG60', mustSetCookie: true, sortByNewest: true }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments).not.toHaveLength(0)
    })
  })

  test('Scrape newest video comments second page', () => {
    const parameters = { videoId: 'oBLQmE-nG60', mustSetCookie: true, sortByNewest: true, continuation: null }
    return ytcm.getComments(parameters).then((data) => {
      parameters.continuation = data.continuation
      ytcm.getComments(parameters).then((data) => {
        expect(data.comments).not.toHaveLength(0)
      })
    })
  })

  test('Scrape top replies of first page', () => {
    const parameters = { videoId: 'oBLQmE-nG60', mustSetCookie: true, sortByNewest: false }
    // This test first gets comments of the video with above Id
    return ytcm.getComments(parameters).then((data) => {
      for (let i = 0; i < data.comments.length; i++) {
        // The test searches for a comment which does have at least 1 reply and then ask for the replies
        if (data.comments[i].numReplies > 0) {
          const replyParameters = { videoId: 'oBLQmE-nG60', replyToken: data.comments[i].replyToken, mustSetCookie: true }
          return ytcm.getCommentReplies(replyParameters).then((replyData) => {
            expect(replyData.comments).not.toHaveLength(0)
          })
        }
      }
    })
  })

  test('Scrape second batch of top replies of first page', () => {
    const parameters = { videoId: 'oBLQmE-nG60', mustSetCookie: true, sortByNewest: false }
    // This test first gets comments of the video with above Id
    return ytcm.getComments(parameters).then((data) => {
      for (let i = 0; i < data.comments.length; i++) {
        // The test searches for a comment which does have at least 1 reply and then ask for the replies
        if (data.comments[i].numReplies > 0) {
          const replyParameters = { videoId: 'oBLQmE-nG60', replyToken: data.comments[i].replyToken, mustSetCookie: true }
          return ytcm.getCommentReplies(replyParameters).then((replyData) => {
            replyParameters.replyToken = replyData.continuation
            return ytcm.getCommentReplies(replyParameters).then((replyData) => {
              expect(replyData.comments).not.toHaveLength(0)
            })
          })
        }
      }
    })
  })

  test('Scrape video without comments', () => {
    const parameters = { videoId: 'Bj-3M-KqZsI', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments).toHaveLength(0)
    })
  })

  test('Scrape video with disabled comments', () => {
    const parameters = { videoId: '2wuQMP9WuJ8', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments).toHaveLength(0)
    })
  })

  test('Scrape owner replied to non-owner tag', () => {
    const parameters = { videoId: 'M9xYCihLCdI', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments[0].hasOwnerReplied).toBeTruthy()
    })
  })

  test('Scrape owner replied to owner tag', () => {
    const parameters = { videoId: 'HosbuE5LvIQ', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments[0].hasOwnerReplied).toBeTruthy()
    })
  })

  test('Scrape pinned tag', () => {
    const parameters = { videoId: 'IiJAq53knwc', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments[0].isPinned).toBeTruthy()
    })
  })

  test('Scrape owner verified tag', () => {
    const parameters = { videoId: 'oBLQmE-nG60', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments[0].isVerified).toBeTruthy()
    })
  })

  test('Scrape owner tag', () => {
    const parameters = { videoId: 'oBLQmE-nG60', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments[0].isOwner).toBeTruthy()
    })
  })

  test('Scrape non owner verified tag', () => {
    const parameters = { videoId: '2BO83Ig-E8E', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments[0].isVerified).toBeTruthy()
    })
  })

  test('Scrape owner isOfficialArtist tag', () => {
    const parameters = { videoId: '5LMuolKKmAM', mustSetCookie: true, sortByNewest: false }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments[0].isOfficialArtist).toBeTruthy()
    })
  })

  test('Scrape customEmojis', () => {
    const parameters = { videoId: 'HhuHyQlFz_M', mustSetCookie: true }
    return ytcm.getComments(parameters).then((data) => {
      expect(data.comments[0].customEmojis[0]).toBeTruthy()
    })
  })

  test('Format text', () => {
    const parameters = { videoId: 'OqiXFXlYFi8', mustSetCookie: true }
    return ytcm.getComments(parameters).then((data) => {
      const comment = data.comments.find(c => c.commentId === 'UgxTgxuBchteOmDLdGl4AaABAg')
      expect(comment).not.toBeUndefined()
      expect(comment.text).toBe('<b>This text will be bold</b> and <i>this will be italicized</i> and <s>this will will be crossed out</s>')
    })
  })
})