Add spec for raising errors

sparrovv · Nov 9, 2011 · 8d57733 · 8d57733
1 parent b348877
commit 8d57733
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Showing 2 changed files with 17 additions and 5 deletions.
diff --git a/lib/nbp_exchange/currency.rb b/lib/nbp_exchange/currency.rb
@@ -18,7 +18,7 @@ def initialize(symbol)
     end
 
     def name
-      @name ||= CurrencieNames[symbol]
+      @name ||= SymbolsNames[symbol]
     end
 
     def rate(date)

diff --git a/spec/nbp_exchange/currency_spec.rb b/spec/nbp_exchange/currency_spec.rb
@@ -12,11 +12,23 @@ module NbpExchange
     end
 
     describe "#rate" do
-      let(:expected){Rate.new(currency, EXCHANGE_DATE, 4.4146)}
+      context "When rate exists" do
+        let(:expected){Rate.new(currency, EXCHANGE_DATE, 4.4146)}
+
+        it "should return average rate for given date" do
+          r = currency.rate(EXCHANGE_DATE)
+          r.average_exchange_rate.should == expected.average_exchange_rate
+        end
+      end
+
+      context "when rate doesn't exists for this date" do
+
+        it "should raise error" do
+          lambda {
+            r = currency.rate("2001-01-01")
+          }.should raise_error(NbpExchange::NoXMLForThisDate)
+        end
 
-      it "should return average rate for given date" do
-        r = currency.rate(EXCHANGE_DATE)
-        r.average_exchange_rate.should == expected.average_exchange_rate
       end
     end
   end