spec/renum_spec.rb in renum-1.3.1 vs spec/renum_spec.rb in renum-1.4.0

@@ -1,6 +1,6 @@
-require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
+require 'spec_helper'
 
 enum :Status, [ :NOT_STARTED, :IN_PROGRESS, :COMPLETE ]
 
 describe "basic enum" do
 
@@ -41,10 +41,14 @@
   end
 
   it "makes values comparable" do
     Color::RED.should < Color::GREEN
   end
+
+  it "doesn't let Comparable's == confuse things" do
+    Color[0].should_not == Status[0]
+  end
 end
 
 module MyNamespace
   enum :FooValue, %w( Bar Baz Bat )
 end
@@ -156,16 +160,37 @@
   end
 end
 
 describe "prevention of subtle and annoying bugs" do
   it "prevents you modifying the values array" do
-    lambda { Color.values << 'some crazy value' }.should raise_error(TypeError, /can't modify frozen/)
+    expect { Color.values << 'some crazy value' }.to raise_error(/modify frozen/)
   end
 
   it "prevents you modifying the name hash" do
-    lambda { Color.values_by_name['MAGENTA'] = 'some crazy value' }.should raise_error(TypeError, /can't modify frozen/)
+    expect { Color.values_by_name['MAGENTA'] = 'some crazy value' }.to raise_error(/modify frozen/)
   end
 
   it "prevents you modifying the name of a value" do
-    lambda { Color::RED.name << 'dish-Brown' }.should raise_error(TypeError, /can't modify frozen/)
+    expect { Color::RED.name << 'dish-Brown' }.to raise_error(/modify frozen/)
+  end
+end
+
+describe "serialization (for ActiveRecord or what-have-you)" do
+  it "can serialize to and deserialize from its name string" do
+    serializer = Renum::NameSerializer.new Color
+    serializer.dump(Color::RED).should == "RED"
+    serializer.dump("RED").should == "RED" # for convenient param assignment
+    serializer.load("RED").should == Color::RED
+
+    serializer.dump(nil).should == nil
+    serializer.load(nil).should == nil
+  end
+
+  it "can serialize to and deserialize from its positional index" do
+    serializer = Renum::IndexSerializer.new Color
+    serializer.dump(Color::RED).should == 0
+    serializer.load(0).should == Color::RED
+
+    serializer.dump(nil).should == nil
+    serializer.load(nil).should == nil
   end
 end