test: Convert to proper mocha test

Author: Jan Krems

test/download.test.coffee

@@ -0,0 +1,48 @@
+fs = require 'fs'
+{execFile} = require 'child_process'
+
+assert = require 'assert'
+rmrf = require 'rimraf'
+
+tempdir = require '../lib/tempdir'
+seleniumDownload = require '..'
+
+BIN_PATH = __dirname + '/bin'
+TMP_PATH = "#{tempdir}testium"
+
+clearFileSystem = ->
+  rmrf.sync TMP_PATH
+  rmrf.sync BIN_PATH
+
+clearFileSystem()
+
+describe 'seleniumDownload', ->
+  before clearFileSystem
+
+  after clearFileSystem
+
+  before 'initial download', (done) ->
+    @timeout 30000
+    seleniumDownload.update BIN_PATH, done
+
+  it 'downloads the proper files', ->
+    assert fs.existsSync(BIN_PATH + '/chromedriver')
+    assert fs.existsSync(BIN_PATH + '/selenium.jar')
+
+  describe 'from local tmp', ->
+    before (done) ->
+      @timeout 30000
+      seleniumDownload.update BIN_PATH, done
+
+    it 'downloads the files again', ->
+      assert fs.existsSync(BIN_PATH + '/chromedriver')
+      assert fs.existsSync(BIN_PATH + '/selenium.jar')
+
+    it 'did not download an invalid jar', (done) ->
+      @timeout 10000
+      execFile 'java', [
+        # -h means "show usage/help". Selenium has no --version :(
+        '-jar', BIN_PATH + '/selenium.jar', '-h'
+      ], (error, stdout) ->
+        clearFileSystem()
+        done error