1 files changed, 56 insertions, 0 deletions
diff --git a/actionmailer/test/asset_host_test.rb b/actionmailer/test/asset_host_test.rb
new file mode 100644
index 0000000000..b24eca5fbb
--- /dev/null
+++ b/actionmailer/test/asset_host_test.rb
@@ -0,0 +1,56 @@
+require 'abstract_unit'
+require 'action_controller'
+
+class AssetHostMailer < ActionMailer::Base
+  def email_with_asset
+    mail :to => 'test@localhost',
+      :subject => 'testing email containing asset path while asset_host is set',
+      :from => 'tester@example.com'
+  end
+end
+
+class AssetHostTest < Test::Unit::TestCase
+  def setup
+    set_delivery_method :test
+    ActionMailer::Base.perform_deliveries = true
+    ActionMailer::Base.deliveries.clear
+    AssetHostMailer.configure do |c|
+      c.asset_host = "http://www.example.com"
+      c.assets_dir = ''
+    end
+  end
+
+  def teardown
+    restore_delivery_method
+  end
+
+  def test_asset_host_as_string
+    mail = AssetHostMailer.email_with_asset
+    assert_equal %Q{<img alt="Somelogo" src="http://www.example.com/images/somelogo.png" />}, mail.body.to_s.strip
+  end
+
+  def test_asset_host_as_one_argument_proc
+    AssetHostMailer.config.asset_host = Proc.new { |source|
+      if source.starts_with?('/images')
+        "http://images.example.com"
+      else
+        "http://assets.example.com"
+      end
+    }
+    mail = AssetHostMailer.email_with_asset
+    assert_equal %Q{<img alt="Somelogo" src="http://images.example.com/images/somelogo.png" />}, mail.body.to_s.strip
+  end
+
+  def test_asset_host_as_two_argument_proc
+    ActionController::Base.config.asset_host = Proc.new {|source,request|
+      if request && request.ssl?
+        "https://www.example.com"
+      else
+        "http://www.example.com"
+      end
+    }
+    mail = nil
+    assert_nothing_raised { mail = AssetHostMailer.email_with_asset }
+    assert_equal %Q{<img alt="Somelogo" src="http://www.example.com/images/somelogo.png" />}, mail.body.to_s.strip
+  end
+end