Merge pull request #3 from ninoseki/v0.2.1

v0.2.1

exe/kokki

@@ -4,14 +4,6 @@
 require "bundler/setup"
 require "kokki"
 
-input = ARGV.first
+input = ARGV.first || gets
 
-if input
-  begin
-    puts Kokki.flagize(input)
-  rescue Kokki::InvalidInputError => e
-    puts e.message
-  end
-else
-  puts "Input not found: plase give a word to convert."
-end
+Kokki::CLI.start input

lib/kokki.rb

@@ -7,6 +7,8 @@
 require "kokki/ip_address"
 require "kokki/converter"
 
+require "kokki/cli"
+
 module Kokki
   def self.flagize(input)
     Converter.convert input

lib/kokki/cli.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module Kokki
+  class CLI
+    def self.start(input)
+      if input
+        begin
+          puts Kokki.flagize(input.chomp)
+        rescue Kokki::InvalidInputError => e
+          puts e.message
+        end
+      else
+        puts "Input not found: plase give a word to convert."
+      end
+    end
+  end
+end

lib/kokki/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Kokki
-  VERSION = "0.2.0"
+  VERSION = "0.2.1"
 end

spec/cli_spec.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+RSpec.describe Kokki::CLI, :vcr do
+  subject { Kokki::CLI }
+
+  describe ".start" do
+    context "when given a valid input" do
+      it "should return a country flag of a given country" do
+        output = capture(:stdout) { subject.start "JP" }.chomp
+        expect(output).to eq("🇯🇵")
+      end
+    end
+
+    context "when given an invalid input" do
+      it "should return a country flag of a given country" do
+        output = capture(:stdout) { subject.start "hoge" }.chomp
+        expect(output).to eq("invalid input: hoge")
+      end
+    end
+  end
+end

spec/spec_helper.rb

@@ -14,6 +14,8 @@
 
 require "vcr"
 
+require_relative "./support/helpers/helpers"
+
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure
   config.example_status_persistence_file_path = ".rspec_status"
@@ -24,6 +26,8 @@
   config.expect_with :rspec do |c|
     c.syntax = :expect
   end
+
+  config.include Spec::Support::Helpers
 end
 
 VCR.configure do |config|

spec/support/helpers/helpers.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Spec
+  module Support
+    module Helpers
+      def capture(stream)
+        begin
+          stream = stream.to_s
+          eval "$#{stream} = StringIO.new"
+          yield
+          result = eval("$#{stream}").string
+        ensure
+          eval("$#{stream} = #{stream.upcase}")
+        end
+        result
+      end
+    end
+  end
+end