Add support for ruby

Author: kapillamba4

.travis.yml

@@ -17,6 +17,7 @@ install:
   - docker pull codingblocks/judge-worker-py3
   - docker pull codingblocks/judge-worker-nodejs6
   - docker pull codingblocks/judge-worker-nodejs8
+  - docker pull codingblocks/judge-worker-ruby
 
 script:
   - npm run cover

config.js

@@ -43,6 +43,11 @@ exports = module.exports = {
       SOURCE_FILE: 'script.js',
       CPU_SHARE: "0.8",
       MEM_LIMIT: '300m'
+    },
+    'ruby': {
+      SOURCE_FILE: 'script.rb',
+      CPU_SHARE: "0.8",
+      MEM_LIMIT: '300m'
     }
   }
 }

test/run.ruby.spec.ts

@@ -0,0 +1,18 @@
+import {execRun} from '../src/tasks/run'
+import {expect} from 'chai'
+
+
+describe('run - ruby', () => {
+  it('.rb file runs correctly', () => {
+    execRun({
+      id: 27,
+      lang: 'ruby',
+      source: (new Buffer(`
+puts "Hello " + gets.to_s
+      `)).toString('base64'),
+      stdin: (new Buffer('World')).toString('base64')
+    }, (runResult) => {
+      expect(new Buffer(runResult.stdout, 'base64').toString('ascii')).to.eq('Hello World\n')
+    })
+  })
+})