const async = require('async')
const Web3 = require('web3')
const assert = require('assert')

let Compiler = require('../src/compiler.js')
let Deployer = require('../src/deployer.js')
let TestRunner = require('../src/testRunner.js')

function compileAndDeploy (filename, callback) {
  let web3 = new Web3()
  web3.setProvider(new web3.providers.HttpProvider('http://localhost:8545'))

  async.waterfall([
    function compile (next) {
      Compiler.compileFileOrFiles(filename, false, next)
    },
    function deployAllContracts (compilationResult, next) {
      Deployer.deployAll(compilationResult, web3, next)
    }
  ], function (_err, contracts) {
    callback(null, contracts)
  })
}

describe('testRunner', function () {
  describe('test with beforeAll', function () {
    let filename = 'tests/examples_1/simple_storage_test.sol'
    let tests = [], results = {}

    before(function (done) {
      compileAndDeploy(filename, function (_err, contracts) {
        var testCallback = function (test) {
          tests.push(test)
        }
        var resultsCallback = function (_err, _results) {
          results = _results
          done()
        }
        TestRunner.runTest('MyTest', contracts.MyTest, testCallback, resultsCallback)
      })
    })

    it('should 1 passing test', function () {
      assert.equal(results.passingNum, 1)
    })

    it('should 1 failing test', function () {
      assert.equal(results.failureNum, 1)
    })

    it('should returns 3 messages', function () {
      assert.deepEqual(tests, [
        { type: 'contract', value: 'MyTest' },
        { type: 'testPass', value: 'Initial value should be100' },
        { type: 'testFailure', value: 'Initial value should be200' }
      ])
    })
  })

  describe('test with beforeEach', function () {
    let filename = 'tests/examples_2/simple_storage_test.sol'
    let tests = [], results = {}

    before(function (done) {
      compileAndDeploy(filename, function (_err, contracts) {
        var testCallback = function (test) {
          tests.push(test)
        }
        var resultsCallback = function (_err, _results) {
          results = _results
          done()
        }
        TestRunner.runTest('MyTest', contracts.MyTest, testCallback, resultsCallback)
      })
    })

    it('should 2 passing tests', function () {
      assert.equal(results.passingNum, 2)
    })

    it('should 0 failing tests', function () {
      assert.equal(results.failureNum, 0)
    })

    it('should returns 3 messages', function () {
      assert.deepEqual(tests, [
        { type: 'contract', value: 'MyTest' },
        { type: 'testPass', value: 'Initial value should be100' },
        { type: 'testPass', value: 'Initial value should be200' }
      ])
    })
  })
})