spec/pronto/eslint_spec.rb

   1 require 'spec_helper'
   2
   3 module Pronto
   4   describe ESLintNpm do
   5     let(:eslint) { ESLintNpm.new(patches) }
   6
   7     describe '#run' do
   8       subject(:run) { eslint.run }
   9
  10       context 'patches are nil' do
  11         let(:patches) { nil }
  12
  13         it 'returns an empty array' do
  14           expect(run).to eql([])
  15         end
  16       end
  17
  18       context 'no patches' do
  19         let(:patches) { [] }
  20
  21         it 'returns an empty array' do
  22           expect(run).to eql([])
  23         end
  24       end
  25
  26       context 'patches with a one and a four warnings' do
  27         include_context 'test repo'
  28
  29         let(:patches) { repo.diff('master') }
  30
  31         it 'returns correct number of errors' do
  32           expect(run.count).to eql(5)
  33         end
  34
  35         it 'has correct first message' do
  36           expect(run.first.msg).to eql("'foo' is not defined.")
  37         end
  38       end
  39
  40       context 'repo with ignored and not ignored file, each with three warnings' do
  41         include_context 'eslintignore repo'
  42
  43         let(:patches) { repo.diff('master') }
  44
  45         it 'returns correct number of errors' do
  46           expect(run.count).to eql(3)
  47         end
  48
  49         it 'has correct first message' do
  50           expect(run.first.msg).to eql("'HelloWorld' is defined but never used.")
  51         end
  52       end
  53     end
  54
  55     describe '.files_to_lint' do
  56       subject(:files_to_lint) { ESLintNpm.files_to_lint }
  57
  58       it 'matches .js by default' do
  59         expect(files_to_lint).to match('my_js.js')
  60       end
  61
  62       it 'matches .es6 by default' do
  63         expect(files_to_lint).to match('my_js.es6')
  64       end
  65     end
  66
  67     describe '.eslint_executable' do
  68       subject(:eslint_executable) { ESLintNpm.eslint_executable }
  69
  70       it 'is `eslint` by default' do
  71         expect(eslint_executable).to eql('eslint')
  72       end
  73     end
  74   end
  75 end