usage_json_steps.ts

import _ from 'lodash'
import { Then, DataTable } from '../../'
import { expect } from 'chai'
import path from 'path'
import { World } from '../support/world'

Then('it outputs the usage data:', function(this: World, table: DataTable) {
  const usageData = JSON.parse(this.lastRun.output)
  table.hashes().forEach((row: any) => {
    const rowUsage = _.find(
      usageData,
      datum =>
        datum.pattern === row.PATTERN && datum.patternType === row.PATTERN_TYPE
    )
    expect(rowUsage).to.be.an('object')
    expect(rowUsage.line).to.eql(parseInt(row.LINE))
    expect(rowUsage.matches).to.have.lengthOf(row['NUMBER OF MATCHES'])
    expect(rowUsage.uri).to.eql(path.normalize(row.URI))
  })
})