Setup Gemini for visual regression testing

.gemini.yml

@@ -0,0 +1,28 @@
+# Copyright (c) 2016-2017 Martin Donath <martin.donath@squidfunk.com>
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+rootUrl: http://localhost:8000/
+gridUrl: http://localhost:4444/wd/hub
+
+# Browsers to run tests on
+browsers:
+  chrome:
+    desiredCapabilities:
+      browserName: chrome

lib/servers/selenium.js

@@ -52,6 +52,10 @@ export const start = done => {
       }
     }
 
+    /* Register signal handler for all relevant events */
+    for (const signal of ["SIGTERM", "SIGINT", "exit"])
+      process.on(signal, stop)
+
     /* Remember process handle */
     server = server || proc
     done()
@@ -62,11 +66,3 @@ export const stop = () => {
   if (server)
     server.kill()
 }
-
-/* ----------------------------------------------------------------------------
- * Signal handler
- * ------------------------------------------------------------------------- */
-
-/* Register signal handler for all relevant events */
-for (const signal of ["SIGTERM", "SIGINT", "exit"])
-  process.on(signal, stop)

package.json

@@ -48,6 +48,7 @@
     "eslint": "^3.13.1",
     "eslint-plugin-mocha": "^4.8.0",
     "fastclick": "^1.0.6",
+    "gemini": "^4.14.3",
     "git-hooks": "^1.1.7",
     "gulp": "^3.9.1",
     "gulp-changed": "^1.3.2",