spec/cases/utils_spec.rb in koala-1.2.1 vs spec/cases/utils_spec.rb in koala-1.3.0rc1

@@ -1,10 +1,34 @@
 require 'spec_helper'
 
 describe Koala::Utils do
-  it "has a deprecate method" do
-    Koala::Utils.should respond_to(:deprecate)
-  end
+  describe ".deprecate" do    
+    before :each do
+      # unstub deprecate so we can test it
+      Koala::Utils.unstub(:deprecate)
+    end
+    
+    it "has a deprecation prefix that includes the words Koala and deprecation" do
+      Koala::Utils::DEPRECATION_PREFIX.should =~ /koala/i
+      Koala::Utils::DEPRECATION_PREFIX.should =~ /deprecation/i      
+    end
+    
+    it "prints a warning with Kernel.warn" do
+      message = Time.now.to_s + rand.to_s
+      Kernel.should_receive(:warn)
+      Koala::Utils.deprecate(message)
+    end
 
-  # AFAIK there's no way to test that (Kernel.)warn receives the text
-  # Kernel.should_receive(:warn) doesn't seem to work, even though the text gets printed
+    it "prints the deprecation prefix and the warning" do
+      message = Time.now.to_s + rand.to_s
+      Kernel.should_receive(:warn).with(Koala::Utils::DEPRECATION_PREFIX + message)
+      Koala::Utils.deprecate(message)
+    end
+    
+    it "only prints each unique message once" do
+      message = Time.now.to_s + rand.to_s
+      Kernel.should_receive(:warn).once
+      Koala::Utils.deprecate(message)
+      Koala::Utils.deprecate(message)
+    end
+  end
 end
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