add travis config

.travis.yml

@@ -0,0 +1,21 @@
+language: node_js
+node_js: 4
+env:
+  - CXX=g++-4.8
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-4.8
+
+install:
+  - npm install
+  - npm run setup_kibana
+
+cache:
+  directories:
+    - node_modules
+    - ../kibana
+
+script: npm test

Gruntfile.js

@@ -126,4 +126,5 @@ module.exports = function (grunt) {
 
   require('./tasks/build')(grunt);
   require('./tasks/release')(grunt);
+  require('./tasks/setup_kibana')(grunt);
 };

package.json

@@ -13,6 +13,8 @@
     "build": "grunt build",
     "release": "grunt release",
     "lint": "grunt eslint:source",
+    "setup_kibana": "grunt setup_kibana",
+    "test": "npm run test:server",
     "test:server": "plugin-helpers test:server"
   },
   "devDependencies": {

tasks/setup_kibana.js

@@ -0,0 +1,28 @@
+const exec = require('child_process').execFileSync;
+const stat = require('fs').statSync;
+
+const fromRoot = require('path').resolve.bind(null, __dirname, '../');
+
+module.exports = function (grunt) {
+  grunt.registerTask('setup_kibana', function () {
+    const kbnDir = fromRoot('../kibana');
+    const kbnGitDir = fromRoot('../kibana/.git');
+
+    try {
+      if (stat(kbnGitDir).isDirectory()) {
+        exec('git', ['pull', 'origin', 'master'], { cwd: kbnDir });
+      } else {
+        throw new Error(`${kbnGitDir} is not a directory??`);
+      }
+    } catch (error) {
+      if (error.code === 'ENOENT') {
+        exec('git', ['clone', 'https://github.com/elastic/kibana.git', kbnDir]);
+      } else {
+        throw error;
+      }
+    }
+
+    exec('npm', ['prune'], { cwd: kbnDir });
+    exec('npm', ['install'], { cwd: kbnDir });
+  });
+};