1 files changed, 31 insertions, 0 deletions
diff --git a/activerecord/test/readonly_test.rb b/activerecord/test/readonly_test.rb
new file mode 100755
index 0000000000..cbab35b49a
--- /dev/null
+++ b/activerecord/test/readonly_test.rb
@@ -0,0 +1,31 @@
+require 'abstract_unit'
+require 'fixtures/topic'
+
+class ReadOnlyTest < Test::Unit::TestCase
+  fixtures :topics
+
+  def test_cant_save_readonly_record
+    topic = Topic.find(:first)
+    assert !topic.readonly?
+
+    topic.readonly!
+    assert topic.readonly?
+
+    assert_nothing_raised do
+      topic.content = 'Luscious forbidden fruit.'
+    end
+
+    assert_raise(ActiveRecord::ReadOnlyRecord)  { topic.save  }
+    assert_raise(ActiveRecord::ReadOnlyRecord)  { topic.save! }
+  end
+
+  def test_find_with_readonly_option
+    Topic.find(:all).each { |t| assert !t.readonly? }
+    Topic.find(:all, :readonly => false).each { |t| assert !t.readonly? }
+    Topic.find(:all, :readonly => true).each { |t| assert t.readonly? }
+  end
+
+  def test_find_with_joins_option_implies_readonly
+    Topic.find(:all, :joins => '').each { |t| assert t.readonly? }
+  end
+end