add unit application helper test to use latest image file (#3261)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7907 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/helpers/application_helper_test.rb

@@ -29,6 +29,7 @@ class ApplicationHelperTest < ActionView::TestCase
 
   def setup
     super
+    set_tmp_attachments_directory
   end
 
   context "#link_to_if_authorized" do
@@ -182,6 +183,30 @@ RAW
     to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text, :attachments => attachments) }
   end
 
+  def test_attached_images_should_read_later
+    Attachment.storage_path = "#{Rails.root}/test/fixtures/files"
+    a1 = Attachment.find(16)
+    assert_equal "testfile.png", a1.filename
+    assert a1.readable?
+    assert (! a1.visible?(User.anonymous))
+    assert a1.visible?(User.find(2))
+    a2 = Attachment.find(17)
+    assert_equal "testfile.PNG", a2.filename
+    assert a2.readable?
+    assert (! a2.visible?(User.anonymous))
+    assert a2.visible?(User.find(2))
+    assert a1.created_on < a2.created_on
+
+    to_test = {
+      'Inline image: !testfile.png!' =>
+        'Inline image: <img src="/attachments/download/' + a2.id.to_s + '" alt="" />',
+      'Inline image: !Testfile.PNG!' =>
+        'Inline image: <img src="/attachments/download/' + a2.id.to_s + '" alt="" />',
+    }
+    attachments = [a1, a2]
+    to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text, :attachments => attachments) }
+  end
+
   def test_textile_external_links
     to_test = {
       'This is a "link":http://foo.bar' => 'This is a <a href="http://foo.bar" class="external">link</a>',