From 2cc0cac3efce92bf9d0e8636f2889c37ca9f57ab Mon Sep 17 00:00:00 2001
From: Michael Koziarski <michael@koziarski.com>
Date: Fri, 26 Oct 2007 02:21:21 +0000
Subject: Introduce TestCase subclasses for testing rails applications allowing
 tests to be DRY'd up a bit and to provide a path toward tidying up our
 monkeypatching of test/unit.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8022 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionmailer/lib/action_mailer/test_case.rb | 59 +++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 actionmailer/lib/action_mailer/test_case.rb

(limited to 'actionmailer/lib')

diff --git a/actionmailer/lib/action_mailer/test_case.rb b/actionmailer/lib/action_mailer/test_case.rb
new file mode 100644
index 0000000000..5d0ddddce9
--- /dev/null
+++ b/actionmailer/lib/action_mailer/test_case.rb
@@ -0,0 +1,59 @@
+require 'active_support/test_case'
+
+module ActionMailer
+  class NonInferrableMailerError < ::StandardError
+    def initialize(name)
+      super "Unable to determine the mailer to test from #{name}. " +
+        "You'll need to specify it using tests YourMailer in your " +
+        "test case definition"
+    end
+  end
+  # New Test Super class for forward compatibility.
+  # To override
+  class TestCase < ActiveSupport::TestCase
+    include ActionMailer::Quoting
+
+    class << self
+      def tests(mailer)
+        write_inheritable_attribute(:mailer_class, mailer)
+      end
+
+      def mailer_class
+        if mailer = read_inheritable_attribute(:mailer_class)
+          mailer
+        else
+          tests determine_default_mailer(name)
+        end
+      end
+
+      def determine_default_mailer(name)
+        name.sub(/Test$/, '').constantize
+      rescue NameError => e
+        raise NonInferrableMailerError.new(name)
+      end
+    end
+
+    def setup
+      ActionMailer::Base.delivery_method = :test
+      ActionMailer::Base.perform_deliveries = true
+      ActionMailer::Base.deliveries = []
+
+      @expected = TMail::Mail.new
+      @expected.set_content_type "text", "plain", { "charset" => charset }
+      @expected.mime_version = '1.0'
+    end
+
+    private
+      def charset
+        "utf-8"
+      end
+
+      def encode(subject)
+        quoted_printable(subject, charset)
+      end
+
+      def read_fixture(action)
+        IO.readlines(File.join(RAILS_ROOT, 'test', 'fixtures', mailer_class.name.underscore, action))
+      end
+  end
+end
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