Inatra exercise complited

test/exercise/rackup/inatra.rb

@@ -1,9 +1,29 @@
 module Inatra
+  @routes = {}
+
   class << self
-    def routes
+    def routes(&block)
+      instance_eval(&block)
+    end
+
+    def method_missing(missing_method_name, *args, &block)
+      if args.length == 1
+        @routes[missing_method_name.to_s.upcase] ||= {}
+        @routes[missing_method_name.to_s.upcase][args[0]] = block
+      else
+        super
+      end
+    end
+
+    def respond_to_missing?(method_name, *_args)
+      @routes.include?(method_name.to_s.upcase)
     end
 
     def call(env)
+      request_method = env['REQUEST_METHOD']
+      path = env['PATH_INFO']
+      func = @routes[request_method][path]
+      func ? func.call : [404, {}, ['Not Found']]
     end
   end
 end

test/exercise/rackup/my_app.rb

@@ -2,4 +2,12 @@
   get '/hello' do
     [200, {}, ['Hello World']]
   end
+
+  get '/ping' do
+    [200, {}, ['PONG']]
+  end
+
+  post '/bye' do
+    [200, {}, ['Bye Bye']]
+  end
 end

test/exercise/rackup/test.rb

@@ -5,12 +5,31 @@
 require_relative './my_app'
 
 class RackTest < Test::Unit::TestCase
+  def setup
+    @browser = Rack::Test::Session.new(Rack::MockSession.new(Inatra))
+  end
+
   def test_it_says_hello_world
-    omit do
-      browser = Rack::Test::Session.new(Rack::MockSession.new(Inatra))
-      browser.get '/hello'
-      assert browser.last_response.ok?
-      assert_equal 'Hello World', browser.last_response.body
-    end
+    @browser.get '/hello'
+    assert @browser.last_response.ok?
+    assert_equal 'Hello World', @browser.last_response.body
+  end
+
+  def test_it_pongs
+    @browser.get '/ping'
+    assert @browser.last_response.ok?
+    assert_equal 'PONG', @browser.last_response.body
+  end
+
+  def test_it_says_bye
+    @browser.post '/bye'
+    assert @browser.last_response.ok?
+    assert_equal 'Bye Bye', @browser.last_response.body
+  end
+
+  def test_it_handles_404
+    @browser.get '/missing_method'
+    assert @browser.last_response.not_found?
+    assert_equal 'Not Found', @browser.last_response.body
   end
 end