Default to manual input for `domain_whitelist`, syntax fixes and added new tests.

app/assets/javascripts/admin.js.coffee

@@ -46,7 +46,6 @@ class @Admin
       else
         $('.blacklist-file').hide()
         $('.blacklist-raw').show()
-      return
-    $('input[name=\'blacklist_type\']').click showBlacklistType
+    $("input[name='blacklist_type']").click showBlacklistType
     showBlacklistType()  

app/models/application_setting.rb

@@ -71,7 +71,7 @@ class ApplicationSetting < ActiveRecord::Base
             inclusion: { in: %w(ssh http), allow_blank: true, allow_nil: true }
   validates :domain_blacklist,
-            presence: true,
+            presence: { message: 'Domain blacklist cannot be empty if Blacklist is enabled.' },
             if: :domain_blacklist_enabled?
   validates_each :restricted_visibility_levels do |record, attr, value|

app/views/admin/application_settings/_form.html.haml

@@ -125,7 +125,7 @@
     .form-group
       = f.label :domain_whitelist, 'Whitelisted domains for sign-ups', class: 'control-label col-sm-2'
       .col-sm-10
-        = f.text_area :domain_whitelist_raw, placeholder: 'domain.com', class: 'form-control'
+        = f.text_area :domain_whitelist_raw, placeholder: 'domain.com', class: 'form-control', rows: 8
         .help-block ONLY users with e-mail addresses that match these domain(s) will be able to sign-up. Wildcards allowed. Use separate lines for multiple entries. Ex: domain.com, *.domain.com
     .form-group
       = f.label :domain_blacklist_enabled, 'Domain Blacklist', class: 'control-label col-sm-2'
@@ -138,12 +138,12 @@
       .col-sm-offset-2.col-sm-10
         .radio
           = label_tag :blacklist_type_file do
-            = radio_button_tag :blacklist_type, :file, @application_setting.domain_blacklist.blank?
+            = radio_button_tag :blacklist_type, :file
             .option-title
               Upload blacklist file
         .radio
           = label_tag :blacklist_type_raw do
-            = radio_button_tag :blacklist_type, :raw, @application_setting.domain_blacklist.present?
+            = radio_button_tag :blacklist_type, :raw, @application_setting.domain_blacklist.present? || @application_setting.domain_blacklist.blank?
             .option-title
               Enter blacklist manually
     .form-group.blacklist-file
@@ -154,7 +154,7 @@
     .form-group.blacklist-raw
       = f.label :domain_blacklist, 'Blacklisted domains for sign-ups', class: 'control-label col-sm-2'
       .col-sm-10
-        = f.text_area :domain_blacklist_raw, placeholder: 'domain.com', class: 'form-control', rows: 10
+        = f.text_area :domain_blacklist_raw, placeholder: 'domain.com', class: 'form-control', rows: 8
         .help-block Users with e-mail addresses that match these domain(s) will NOT be able to sign-up. Wildcards allowed. Use separate lines for multiple entries. Ex: domain.com, *.domain.com
     .form-group

spec/models/application_setting_spec.rb

@@ -95,8 +95,18 @@ describe ApplicationSetting, models: true do
       expect(setting.domain_blacklist).to contain_exactly('example.com', '*.example.com')
     end
+    it 'set multiple domains with semicolon' do
+      setting.domain_blacklist_raw = "example.com; *.example.com"
+      expect(setting.domain_blacklist).to contain_exactly('example.com', '*.example.com')
+    end
+
+    it 'set multiple domains with mixture of everything' do
+      setting.domain_blacklist_raw = "example.com; *.example.com\n test.com\sblock.com   yes.com"
+      expect(setting.domain_blacklist).to contain_exactly('example.com', '*.example.com', 'test.com', 'block.com', 'yes.com')
+    end
+
     it 'set multiple domain with file' do
-      setting.domain_blacklist_file = File.open(Rails.root.join('spec/fixtures/', 'blacklist.txt'))
+      setting.domain_blacklist_file = File.open(Rails.root.join('spec/fixtures/', 'domain_blacklist.txt'))
       expect(setting.domain_blacklist).to contain_exactly('example.com', 'test.com', 'foo.bar')
     end
   end