add tests

.github/workflows/build.yml

@@ -0,0 +1,27 @@
+name: Ruby CI
+
+on:
+  push:
+    branches: [ $default-branch ]
+  pull_request:
+    branches: [ $default-branch ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        ruby-version: [2.7.x, 2.6.x, 2.5.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Ruby ${{ matrix.ruby-version }}
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+    - name: Install dependencies
+      run: bundle install
+    - name: Run ci
+      run: make ci

Makefile

@@ -0,0 +1,35 @@
+RUBY        ?= ruby
+RDOC        ?= rdoc
+BUNDLE      ?= bundle
+RAKE        ?= rake
+
+
+help: Makefile
+	@echo
+	@echo " Choose a command run in Lynx:"
+	@echo
+	@sed -n 's/^##//p' $< | column -t -s ':' |  sed -e 's/^/ /'
+	@echo
+
+
+## docs: Generate Docs
+.PHONY: doc
+doc:
+	@echo ">> ============= Generate Docs ============= <<"
+	$(RDOC)
+
+
+## test: Run test cases
+.PHONY: test
+test:
+	@echo ">> ============= Run Tests ============= <<"
+	$(RAKE) test
+
+
+## ci: Run all CI tests.
+.PHONY: ci
+ci: test
+	@echo "\n==> All quality checks passed"
+
+
+.PHONY: help

Rakefile

@@ -1,2 +1,8 @@
-require "bundler/gem_tasks"
-task :default => :spec
+require 'rake/testtask'
+
+Rake::TestTask.new do |t|
+  t.libs << 'test'
+end
+
+desc "Run tests"
+task :default => :test

lib/lynx.rb

@@ -1,6 +1,13 @@
 require "lynx/version"
+require "lynx/translator"
 
 module Lynx
   class Error < StandardError; end
-  # Your code goes here...
+
+  class Hola
+    def hi(language)
+      translator = Lynx::Translator.new(language)
+      translator.hi
+    end
+  end
 end

lib/lynx/translator.rb

@@ -0,0 +1,16 @@
+module Lynx
+  class Translator
+    def initialize(language = "english")
+      @language = language
+    end
+
+    def hi
+      case @language
+      when "english"
+        "Hello World"
+      else
+        "Hello World"
+      end
+    end
+  end
+end

test/lynx/test_translator.rb

@@ -0,0 +1,12 @@
+require 'test/unit'
+require 'lynx'
+
+class TranslatorTest < Test::Unit::TestCase
+  def test_english_hello
+    assert_equal "Hello World", Lynx::Translator.new("english").hi()
+  end
+
+  def test_any_hello
+    assert_equal "Hello World", Lynx::Translator.new("any").hi()
+  end
+end

test/test_lynx.rb

@@ -0,0 +1,13 @@
+require 'test/unit'
+require 'lynx'
+require 'lynx/test_translator'
+
+class HolaTest < Test::Unit::TestCase
+  def test_english_hello
+    assert_equal "Hello World", Lynx::Hola.new.hi("english")
+  end
+
+  def test_any_hello
+    assert_equal "Hello World", Lynx::Hola.new.hi("any")
+  end
+end