1 files changed, 25 insertions, 0 deletions
diff --git a/spec/models/censor_rule_spec.rb b/spec/models/censor_rule_spec.rb
new file mode 100644
index 000000000..802b342e3
--- /dev/null
+++ b/spec/models/censor_rule_spec.rb
@@ -0,0 +1,25 @@
+require File.dirname(__FILE__) + '/../spec_helper'
+
+describe CensorRule, "substituting things" do 
+    before do
+        @censor_rule = CensorRule.new
+        @censor_rule.text = "goodbye"
+        @censor_rule.replacement = "hello"
+    end
+
+    it 'should do basic text substitution' do 
+        body = "I don't know why you say goodbye"
+        @censor_rule.apply_to_text!(body)
+        body.should == "I don't know why you say hello"
+    end
+
+    it 'should keep size same for binary substitution' do 
+        body = "I don't know why you say goodbye"
+        orig_body = body.dup
+        @censor_rule.apply_to_binary!(body)
+        body.size.should == orig_body.size
+        body.should == "I don't know why you say xxxxxxx"
+        body.should_not == orig_body # be sure duplicated as expected
+    end
+end
+