tomekw

// settings.gradle

rootProject.name = 'calculator'

tomekw

// build.gradle

buildscript {
    // use specific Kotlin version
    ext.kotlin_version = '1.2.61'
}

plugins {
    // install Kotlin JVM gradle plugin
    id 'org.jetbrains.kotlin.jvm' version '1.2.61'

tomekw

$ ./gradlew test

BUILD SUCCESSFUL in 2s
3 actionable tasks: 2 executed, 1 up-to-date

tomekw

$ ./gradlew test

> Task :test FAILED

com._98elements.CalculatorSpec > adds 2 to 2 FAILED
    org.opentest4j.AssertionFailedError at CalculatorSpec.kt:11

3 tests completed, 1 failed

FAILURE: Build failed with an exception.

tomekw

// file: src/main/kotlin/com/_98elements/Calculator.kt

package com._98elements

object Calculator {
    fun add(a: Int, b: Int) = a + b

    fun divide(a: Int, b: Int) = a / b
}

tomekw

# app/channels/hello_channel.rb
class HelloChannel < ActionCable::Channel::Base
  def say_hello(data)
    times_to_say_hello = data.fetch("times_to_say_hello")
    hello = "Hello, #{current_profile.name}!"

    times_to_say_hello.times do
      ActionCable.server.broadcast(current_profile.id, hello)
    end
  end