4 files changed, 74 insertions, 0 deletions
diff --git a/app/models/spam_address.rb b/app/models/spam_address.rb
new file mode 100644
index 000000000..15c9d1ab8
--- /dev/null
+++ b/app/models/spam_address.rb
@@ -0,0 +1,11 @@
+class SpamAddress < ActiveRecord::Base
+    attr_accessible :email
+
+    validates_presence_of :email, :message => _('Please enter the email address to mark as spam')
+    validates_uniqueness_of :email, :message => _('This address is already marked as spam')
+
+    def self.spam?(email_address)
+        exists?(:email => email_address)
+    end
+
+end
diff --git a/db/migrate/20140325120619_create_spam_addresses.rb b/db/migrate/20140325120619_create_spam_addresses.rb
new file mode 100644
index 000000000..7c730a5c7
--- /dev/null
+++ b/db/migrate/20140325120619_create_spam_addresses.rb
@@ -0,0 +1,9 @@
+class CreateSpamAddresses < ActiveRecord::Migration
+  def change
+    create_table :spam_addresses do |t|
+      t.string :email, :null => false
+
+      t.timestamps
+    end
+  end
+end
diff --git a/spec/factories/spam_addresses.rb b/spec/factories/spam_addresses.rb
new file mode 100644
index 000000000..bafb7cd50
--- /dev/null
+++ b/spec/factories/spam_addresses.rb
@@ -0,0 +1,5 @@
+FactoryGirl.define do
+    factory :spam_address do
+        sequence(:email) { |n| "spam-#{ n }@example.org" }
+    end
+end
diff --git a/spec/models/spam_address_spec.rb b/spec/models/spam_address_spec.rb
new file mode 100644
index 000000000..79a1afd11
--- /dev/null
+++ b/spec/models/spam_address_spec.rb
@@ -0,0 +1,49 @@
+require 'spec_helper'
+
+describe SpamAddress do
+
+    describe :new do
+
+        it 'requres an email address' do
+            SpamAddress.new().should_not be_valid
+            SpamAddress.new(:email => 'spam@example.org').should be_valid
+        end
+
+        it 'must have a unique email address' do
+            existing = FactoryGirl.create(:spam_address)
+            SpamAddress.new(:email => existing.email).should_not be_valid
+        end
+
+    end
+
+    describe '.spam?' do
+
+        before(:each) do
+            @spam_address = FactoryGirl.create(:spam_address)
+        end
+
+        it 'is a spam address if the address is stored' do
+           SpamAddress.spam?(@spam_address.email).should be_true
+        end
+
+        it 'is not a spam address if the adress is not stored' do
+            SpamAddress.spam?('genuine-email@example.com').should be_false
+        end
+
+        describe 'when accepting an array of emails' do
+
+            it 'is spam if any of the emails are stored' do
+                emails = ['genuine-email@example.com', @spam_address.email]
+                SpamAddress.spam?(emails).should be_true
+            end
+ 
+            it 'is not spam if none of the emails are stored' do
+                emails = ['genuine-email@example.com', 'genuine-email@example.org']
+                SpamAddress.spam?(emails).should be_false
+            end
+ 
+        end
+
+    end
+
+end