Red tests. Turn them to green. And don't forget to refactor!

Graion · Aug 29, 2015 · 41dc5cb · 41dc5cb
1 parent d321b33
commit 41dc5cb
Showing 1 changed file with 40 additions and 9 deletions.
diff --git a/src/test/java/com/graion/excercises/CurrencyConverter/CurrencyConverterTest.java b/src/test/java/com/graion/excercises/CurrencyConverter/CurrencyConverterTest.java
@@ -17,25 +17,56 @@ public static Test suite()
         return new TestSuite( CurrencyConverterTest.class );
     }
 
+    public Money newPeso(double amount) {
+    	return new Money(amount, Currency.ARS);
+    }
+
+    public Money newDollar(double amount) {
+    	return new Money(amount, Currency.USD);
+    }
+
     public void testMoneyMultiplication () {
-    		assertEquals(new Money(10, Currency.ARS).times(3), new Money(30, Currency.ARS));
+    		assertEquals(newPeso(10).times(3), newPeso(30));
     }
 
     public void testMoneyEquality () {
-    		assertFalse(new Money(10, Currency.ARS).equals(new Money(10, Currency.USD)));
-    		assertFalse(new Money(10, Currency.ARS).equals(new Money(15, Currency.ARS)));
+    		assertFalse(newPeso(10).equals(newDollar(10)));
+    		assertFalse(newPeso(10).equals(newPeso(15)));
     }
 
     public void testMoneyConversion () {
     		Conversor conversor = new ConversorMock();
-    		assertEquals(new Money(10, Currency.ARS).convertTo(Currency.USD, conversor), new Money(1, Currency.USD));
-    		assertEquals(new Money(10, Currency.USD).convertTo(Currency.ARS, conversor), new Money(100, Currency.ARS));
+    		assertEquals(newPeso(10).convertTo(Currency.USD, conversor), newDollar(1));
+    		assertEquals(newDollar(10).convertTo(Currency.ARS, conversor), newPeso(100));
     }
 
     public void testMoneyAddition () {
-    		assertEquals(new Money(10, Currency.ARS).plus(new Money(10, Currency.ARS)),
-    				new Sum(new Money(10, Currency.ARS), new Money(10, Currency.ARS)));
-    		assertEquals(new Money(10, Currency.ARS).plus(new Money(10, Currency.USD)),
-    				new Sum(new Money(10, Currency.ARS), new Money(10, Currency.USD)));
+    		assertEquals(newPeso(10).plus(newPeso(10)),
+    				new Sum(newPeso(10), newPeso(10)));
+    		assertEquals(newPeso(10).plus(newDollar(10)),
+    				new Sum(newPeso(10), newDollar(10)));
+    }
+
+    public void testMoneyMultipleAddition () {
+    		// 10 ARS + 10 ARS + 10 USD
+    		assertEquals(newPeso(10)
+    			.plus(newPeso(10))
+    			.plus(newDollar(10)),
+    			new Sum(new Sum(newPeso(10), newPeso(10)),
+    					newDollar(10));
+    }
+
+    public void testSumConversion () {
+    	Conversor conversor = new ConversorMock();
+    	// 10 ARS + 5 USD = 6 USD (10:1 -> ARS:USD)
+    	assertEquals(newPeso(10).plus(newDollar(5)).convertTo(Currency.USD, conversor), newDollar(6));
+    }
+
+    public void testMultipleExpressionConversion () {
+    	Conversor conversor = new ConversorMock();
+    	// (10 ARS + 5 USD) + 5 USD = 11 USD (10:1 -> ARS:USD)
+    	assertEquals(newPeso(10).plus(newDollar(5)).plus(newDollar(5)).convertTo(Currency.USD, conversor), newDollar(11));
+    	// (10 ARS + 5 USD) + 3 = 18 USD (10:1 -> ARS:USD)
+    	assertEquals(newPeso(10).plus(newDollar(5)).times(3).convertTo(Currency.USD, conversor), newDollar(18));
     }
 }