fixed linting and removed addressable from Gemfile

see #339 (review)

Signed-off-by: Markus Grobelin <[email protected]>

Author: mgrobelin

Gemfile

@@ -6,8 +6,6 @@ if Gem::Version.new(RUBY_VERSION) < Gem::Version.new("2.2.2")
   gem "json", "< 2.0"
 end
 
-gem "addressable", "~> 2.5"
-
 group :test do
   gem "coveralls", require: false
   gem "minitest", "~> 5.8"

lib/train.rb

@@ -128,10 +128,10 @@ def self.parse_uri(string)
     # e.g. mock://. To do this, we match it manually and fake the hostname
     if u.scheme && (u.host.nil? || u.host.empty?) && u.path.empty?
       case string
-        when %r{^([a-z]+)://$}
-          string += "dummy"
-        when /^([a-z]+):$/
-          string += "//dummy"
+      when %r{^([a-z]+)://$}
+        string += "dummy"
+      when /^([a-z]+):$/
+        string += "//dummy"
       end
       u = Addressable::URI.parse(string)
       u.host = nil