updated to new rspec expect syntax

spec/idn_spec.rb

@@ -6,25 +6,25 @@
   describe "to_unicode" do
     it "should pass all test cases" do
       TESTCASES_JOSEFSSON.sort.each do |testcase, vector|
-        SimpleIDN.to_unicode(vector[1]).should == vector[0]
+        expect(SimpleIDN.to_unicode(vector[1])).to eq(vector[0])
       end
     end
 
     it "should respect * and not try to decode it" do
-      SimpleIDN.to_unicode("*.xn--mllerriis-l8a.com").should == "*.møllerriis.com"
+      expect(SimpleIDN.to_unicode("*.xn--mllerriis-l8a.com")).to eq("*.møllerriis.com")
     end
 
     it "should respect leading _ and not try to encode it" do
-      SimpleIDN.to_unicode("_something.xn--mllerriis-l8a.com").should == "_something.møllerriis.com"
+      expect(SimpleIDN.to_unicode("_something.xn--mllerriis-l8a.com")).to eq("_something.møllerriis.com")
     end
 
     it "should return nil for nil" do
-      SimpleIDN.to_unicode(nil).should be_nil
+      expect(SimpleIDN.to_unicode(nil)).to be_nil
     end
 
     it "should return . if only . given" do
       # https://github.com/mmriis/simpleidn/issues/3
-      SimpleIDN.to_unicode('.').should == '.'
+     expect(SimpleIDN.to_unicode('.')).to eq('.')
     end
 
     it "raises when the input is an invalid ACE" do
@@ -35,25 +35,25 @@
   describe "to_ascii" do
     it "should pass all test cases" do
       TESTCASES_JOSEFSSON.sort.each do |testcase, vector|
-        SimpleIDN.to_ascii(vector[0]).should == vector[1].downcase
+        expect(SimpleIDN.to_ascii(vector[0])).to eq(vector[1].downcase)
       end
     end
 
     it "should respect * and not try to encode it" do
-      SimpleIDN.to_ascii("*.hello.com").should == "*.hello.com"
+      expect(SimpleIDN.to_ascii("*.hello.com")).to eq("*.hello.com")
     end
 
     it "should respect leading _ and not try to encode it" do
-      SimpleIDN.to_ascii("_something.example.org").should == "_something.example.org"
+      expect(SimpleIDN.to_ascii("_something.example.org")).to eq("_something.example.org")
     end
 
     it "should return nil for nil" do
-      SimpleIDN.to_ascii(nil).should be_nil
+      expect(SimpleIDN.to_ascii(nil)).to be_nil
     end
 
     it "should return . if only . given" do
       # https://github.com/mmriis/simpleidn/issues/3
-      SimpleIDN.to_ascii('.').should == '.'
+      expect(SimpleIDN.to_ascii('.')).to eq('.')
     end
   end
 end