single-query.test.ts

import { Configuration, generateRandomQuery } from '../src'
import * as fs from 'fs'
import { buildSchema, validate, print } from 'graphql'

const schemaDefGitHub = fs
  .readFileSync('./test/fixtures/github.graphql')
  .toString()
const schemaGitHub = buildSchema(schemaDefGitHub)

test(`Generate single random query`, () => {
  const config: Configuration = {
    breadthProbability: (nesting) => {
      if (nesting === 0) {
        return 0.5
      } else {
        return 1 / Math.pow(2, nesting)
      }
    },
    depthProbability: (nesting) => {
      if (nesting === 0) {
        return 0.5
      } else {
        return 1 / Math.pow(2, nesting)
      }
    },
    maxDepth: 10,
    ignoreOptionalArguments: true,
    argumentsToConsider: ['first'],
    providerMap: {
      '*__*__*': (existingVars, argType) => {
        if (argType.name === 'String') {
          return 'test'
        } else if (argType.name === 'Int') {
          return 1
        } else if (argType.name === 'Float') {
          return 1.0
        } else if (argType.name === 'Boolean') {
          return true
        }
      }
    },
    considerInterfaces: false,
    considerUnions: true,
    pickNestedQueryField: true,
    seed: 0.9366856322996101
  }

  const { queryDocument, variableValues } = generateRandomQuery(
    schemaGitHub,
    config
  )
  const errors = validate(schemaGitHub, queryDocument)

  expect(errors).toEqual([])
})