test.js

'use strict'

var assert = require('assert')

var cadFilenames = require('@tracespace/fixtures/gerber-filenames.json')
var wtg = require('.')

var EXPECTED_LAYERS = [
  {type: 'copper', side: 'top'},
  {type: 'soldermask', side: 'top'},
  {type: 'silkscreen', side: 'top'},
  {type: 'solderpaste', side: 'top'},
  {type: 'copper', side: 'bottom'},
  {type: 'soldermask', side: 'bottom'},
  {type: 'silkscreen', side: 'bottom'},
  {type: 'solderpaste', side: 'bottom'},
  {type: 'copper', side: 'inner'},
  {type: 'outline', side: 'all'},
  {type: 'drill', side: 'all'},
  {type: 'drawing', side: null},
]

describe('whats-that-gerber', function() {
  it('should default to null', function() {
    var result = wtg('foobar')

    assert.deepStrictEqual(result, {foobar: {side: null, type: null}})
  })

  it('should have a list of all layer types', function() {
    assert.deepStrictEqual(wtg.getAllLayers(), EXPECTED_LAYERS)
  })

  it('should know which types are valid', function() {
    var allLayers = wtg.getAllLayers()

    allLayers.forEach(function(layer) {
      var result = wtg.validate(layer)
      assert.deepStrictEqual(result, {
        valid: true,
        side: layer.side,
        type: layer.type,
      })
    })
  })

  it('should know which types are invalid', function() {
    var invalidSide = wtg.validate({side: 'bop', type: 'copper'})
    var invalidType = wtg.validate({side: 'top', type: 'topper'})
    var invalidAll = wtg.validate({side: 'fizz', type: 'buzz'})

    assert.deepStrictEqual(invalidSide, {
      valid: false,
      side: null,
      type: 'copper',
    })
    assert.deepStrictEqual(invalidType, {valid: false, side: 'top', type: null})
    assert.deepStrictEqual(invalidAll, {valid: false, side: null, type: null})
  })

  cadFilenames.forEach(function(cadSet) {
    var cad = cadSet.cad
    var files = cadSet.files

    it('should identify ' + cad + ' files', function() {
      var result = wtg(
        files.map(function(file) {
          return file.name
        })
      )

      files.forEach(function(file) {
        var name = file.name
        var fileResult = result[name]
        var sideResult = fileResult.side
        var typeResult = fileResult.type

        assert(
          sideResult === file.side,
          name + ' should be side "' + file.side + '", got "' + sideResult + '"'
        )
        assert(
          typeResult === file.type,
          name + ' should be type "' + file.type + '", got "' + typeResult + '"'
        )
      })
    })
  })
})