Merge pull request #39 from einaskoi/per/calculatorTest

Added PurchaseCalculatorTest & SaleCalculatorTest

src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Transaction/Transaction.java

@@ -33,8 +33,5 @@ public boolean isCommitted() {
     return committed;
   }
 
-  public void commit(Player player) {
-
-  }
-
+  public void commit(Player player) {}
 }

src/test/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Calculator/PurchaseCalculatorTest.java

@@ -0,0 +1,69 @@
+package edu.ntnu.idi.idatt2003.gruppe42.Model.Calculator;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Share;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Stock;
+import java.math.BigDecimal;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class PurchaseCalculatorTest {
+  private PurchaseCalculator calculator;
+  private BigDecimal purchasePrice;
+  private BigDecimal quantity;
+
+  @BeforeEach
+  void setUp() {
+    // Setup test data
+    purchasePrice = new BigDecimal("100");
+    quantity = new BigDecimal("10");
+    Stock stock = new Stock("AAPL", "Apple Inc.", new BigDecimal("150"));
+    Share share = new Share(stock, quantity, purchasePrice);
+
+    calculator = new PurchaseCalculator(share);
+  }
+
+  @Test
+  void testCalculateGross() {
+    /**
+     * Gross = Sales Price * Quantity
+     * 1000 = 100 * 10
+     */
+    BigDecimal expectedGross = new BigDecimal("1000");
+    assertEquals(0, expectedGross.compareTo(calculator.calculateGross()), 
+        "Gross should be purchasePrice * quantity");
+  }
+
+  @Test
+  void testCalculateCommission() {
+    /**
+     * Commission = Gross * Commission Rate (1%)
+     * Commission = 1000 * 0.01 = 10
+     */
+    BigDecimal expectedCommission = new BigDecimal("10");
+    assertEquals(0, expectedCommission.compareTo(calculator.calculateCommission()), 
+        "Commission should be 1% of Gross");
+  }
+
+  @Test
+  void testCalculateTax() {
+    /**
+     * Purchase tax is 0
+     */
+    BigDecimal expectedTax = BigDecimal.ZERO;
+    assertEquals(0, expectedTax.compareTo(calculator.calculateTax()), 
+        "Tax for purchase should be zero");
+  }
+
+  @Test
+  void testCalculateTotal() {
+    /**
+     * Total = Gross + Commission
+     * Total = 1000 + 10 = 1010
+     */
+    BigDecimal expectedTotal = new BigDecimal("1010");
+    assertEquals(0, expectedTotal.compareTo(calculator.calculateTotal()), 
+        "Total should be Gross + Commission + Tax");
+  }
+}

src/test/java/edu/ntnu/idi/idatt2003/gruppe42/Model/Calculator/SaleCalculatorTest.java

@@ -0,0 +1,71 @@
+package edu.ntnu.idi.idatt2003.gruppe42.Model.Calculator;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Share;
+import edu.ntnu.idi.idatt2003.gruppe42.Model.Stock;
+import java.math.BigDecimal;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class SaleCalculatorTest {
+  private SaleCalculator calculator;
+  private BigDecimal purchasePrice;
+  private BigDecimal salesPrice;
+  private BigDecimal quantity;
+
+  @BeforeEach
+  void setUp() {
+    purchasePrice = new BigDecimal("100");
+    salesPrice = new BigDecimal("150");
+    quantity = new BigDecimal("10");
+    Stock stock = new Stock("AAPL", "Apple Inc.", salesPrice);
+    Share share = new Share(stock, quantity, purchasePrice);
+
+    calculator = new SaleCalculator(share);
+  }
+
+  @Test
+  void testCalculateGross() {
+    /**
+     * Gross = Sales Price * Quantity
+     * 1500 = 150 * 10
+     */
+    BigDecimal expectedGross = new BigDecimal("1500");
+    assertEquals(0, expectedGross.compareTo(calculator.calculateGross()), 
+        "Gross should be salesPrice * quantity");
+  }
+
+  @Test
+  void testCalculateCommission() {
+    /**
+     * Commission = Gross * Commission Rate (1%)
+     * Commission = 1500 * 0.01 = 15
+     */
+    BigDecimal expectedCommission = new BigDecimal("15");
+    assertEquals(0, expectedCommission.compareTo(calculator.calculateCommission()), 
+        "Commission should be 1% of Gross");
+  }
+
+  @Test
+  void testCalculateTax() {
+    /**
+     * Tax = (Sales Price - Purchase Price) * Quantity * Tax Rate (22%)
+     * (150 - 100) * 10 * 0.22 = 110
+     */
+    BigDecimal expectedTax = new BigDecimal("110");
+    assertEquals(0, expectedTax.compareTo(calculator.calculateTax()), 
+        "Tax should be 22% of profit");
+  }
+
+  @Test
+  void testCalculateTotal() {
+    /**
+     * Total = Gross - Commission - Tax
+     * Total = 1500 - 15 - 110 = 1375
+     */
+    BigDecimal expectedTotal = new BigDecimal("1375");
+    assertEquals(0, expectedTotal.compareTo(calculator.calculateTotal()), 
+        "Total should be Gross - Commission - Tax");
+  }
+}