test cases

pom.xml

@@ -39,6 +39,17 @@
 		    <scope>test</scope>
 		</dependency>
 		
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
+		<dependency>
+		    <groupId>org.slf4j</groupId>
+		    <artifactId>slf4j-api</artifactId>
+		    <version>1.7.30</version>
+		</dependency>
 		
 		<dependency>
 			<groupId>org.springframework.boot</groupId>

src/main/java/com/junit/resource/CalculatorResource.java

 package com.junit.resource;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Controller;
 
 import com.junit.bean.Calculator;
@@ -7,24 +9,47 @@ import com.junit.bean.Calculator;
 @Controller
 public class CalculatorResource {
 	
+	private static final Logger logger = LoggerFactory.getLogger(CalculatorResource.class);
+	
 	public Integer addition(Calculator cal) {
-		int num1 = cal.getNumber1();
-		int num2 = cal.getNumber2();
-		int result = num1 + num2;
+		int result = 0;
+		try {
+			int num1 = cal.getNumber1();
+			int num2 = cal.getNumber2();
+			result = num1 + num2;
+			logger.info("Addition of two numbers : "+result);
+		} catch (Exception e) {
+			logger.error("Exception "+e);
+			e.printStackTrace();
+		}
 		return result;
 	}
 	
 	public Integer subtraction(Calculator cal) {
-		int num1 = cal.getNumber1();
-		int num2 = cal.getNumber2();
-		int result = num1 - num2;
+		int result = 0;
+		try {
+			int num1 = cal.getNumber1();
+			int num2 = cal.getNumber2();
+			result = num1 - num2;
+			logger.info("Subtraction of two numbers : "+result);
+		} catch (Exception e) {
+			logger.error("Exception "+e);
+			e.printStackTrace();
+		}
 		return result;
 	}
 	
 	public Integer division(Calculator cal) {
-		int num1 = cal.getNumber1();
-		int num2 = cal.getNumber2();
-		int result = num1 / num2;
+		int result = 0;
+		try {
+			int num1 = cal.getNumber1();
+			int num2 = cal.getNumber2();
+			result = num1 / num2;
+			logger.info("Division of two numbers : "+result);
+		} catch (Exception e) {
+			logger.error("Exception "+e);
+			e.printStackTrace();
+		}
 		return result;
 	}
 

src/main/java/com/junit/resource/EmployeeResource.java

 package com.junit.resource;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Controller;
 
 import com.junit.bean.Employee;
@@ -7,24 +9,39 @@ import com.junit.bean.Employee;
 @Controller
 public class EmployeeResource {
 	
+	private static final Logger logger = LoggerFactory.getLogger(EmployeeResource.class);
+	
 	public double calculateYearlySal(Employee employee) {
+		logger.info("Calculating Yearly Salary");
 		double perAnnum = 0;
-		perAnnum = employee.getSalary() * 12;
+		try {
+			perAnnum = employee.getSalary() * 12;
+			logger.info("Total Salary per Annum :: "+perAnnum);
+		} catch (Exception e) {
+			logger.error("Exception "+e.getMessage());
+			e.printStackTrace();
+		}
 		return perAnnum;
 	}
 	
 	
 	public double calculateAppraisal(Employee employee) {
-		
+		logger.info("Calculating appraisal based on salary");
 		double appraisal = 0;
-		if(employee.getSalary()<=50000) {
-			appraisal = 10000;
-		}
-		else if(employee.getSalary()<=100000) {
-			appraisal = 5000;
-		}
-		else {
-			appraisal = 3000;
+		try {
+			if(employee.getSalary()<=50000) {
+				appraisal = 10000;
+			}
+			else if(employee.getSalary()<=100000) {
+				appraisal = 5000;
+			}
+			else {
+				appraisal = 3000;
+			}
+			logger.info("Total Appraisal :: "+appraisal);
+		} catch (Exception e) {
+			logger.error("Exception "+e.getMessage());
+			e.printStackTrace();
 		}
 		
 		return appraisal;