メール送信テストのためのgemを追加する

refs #71

Gemfile

@@ -16,6 +16,7 @@ group :development, :test do
   gem 'pry', '~> 0.10'
   gem 'yard', '~> 0.8'
   gem 'rubocop', '~> 0.28'
+  gem 'mailcatcher'
 end
 
 group :test do

Gemfile.lock

@@ -23,11 +23,13 @@ GEM
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     d1lcs (0.5.3)
+    daemons (1.2.6)
     diff-lcs (1.3)
     docile (1.1.5)
     domain_name (0.5.20170404)
       unf (>= 0.0.5, < 1.0.0)
     equalizer (0.0.11)
+    eventmachine (1.0.9.1)
     faraday (0.11.0)
       multipart-post (>= 1.2, < 3)
     guess_html_encoding (0.0.11)
@@ -46,6 +48,14 @@ GEM
     lumberjack (1.0.12)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
+    mailcatcher (0.6.5)
+      eventmachine (= 1.0.9.1)
+      mail (~> 2.3)
+      rack (~> 1.5)
+      sinatra (~> 1.2)
+      skinny (~> 0.2.3)
+      sqlite3 (~> 1.3)
+      thin (~> 1.5.0)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
     method_source (0.8.2)
@@ -67,6 +77,9 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     public_suffix (3.0.0)
+    rack (1.6.8)
+    rack-protection (1.5.3)
+      rack
     rainbow (2.2.2)
       rake
     rake (12.1.0)
@@ -98,12 +111,25 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
+    sinatra (1.4.8)
+      rack (~> 1.5)
+      rack-protection (~> 1.4)
+      tilt (>= 1.3, < 3)
+    skinny (0.2.4)
+      eventmachine (~> 1.0.0)
+      thin (>= 1.5, < 1.7)
     slop (3.6.0)
+    sqlite3 (1.3.13)
     sysexits (1.2.0)
     term-ansicolor (1.6.0)
       tins (~> 1.0)
+    thin (1.5.1)
+      daemons (>= 1.0.9)
+      eventmachine (>= 0.12.6)
+      rack (>= 1.0.0)
     thor (0.19.4)
     thread_safe (0.3.6)
+    tilt (2.0.8)
     tins (1.15.0)
     twitter (6.1.0)
       addressable (~> 2.5)
@@ -140,6 +166,7 @@ DEPENDENCIES
   http (> 0.9)
   lumberjack (~> 1.0)
   mail (~> 2.6.3)
+  mailcatcher
   nokogiri (~> 1.6)
   pry (~> 0.10)
   rake (~> 12.0)
@@ -151,4 +178,4 @@ DEPENDENCIES
   yard (~> 0.8)
 
 BUNDLED WITH
-   1.15.4
+   1.16.1