Adding test cases

Author: onlyfullstack

unit-testing/src/main/java/com/onlyfullstack/unittesting/bean/Employee.java

@@ -1,9 +1,8 @@
-/*
- * Copyright (c) 2019 Mastercard. All rights reserved.
- */
-
 package com.onlyfullstack.unittesting.bean;
 
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
+
 public final class Employee {
 
     private Integer id;
@@ -15,14 +14,14 @@ public final class Employee {
     private Double Salary;
 
     @Override
-    public boolean equals(Object o) {
-        return true;
+    public boolean equals(Object that) {
+        return EqualsBuilder.reflectionEquals(this, that);
     }
 
     @Override
     public int hashCode()
     {
-        return 0;
+        return HashCodeBuilder.reflectionHashCode(this);
     }
 
     public Integer getId() {

unit-testing/src/main/java/com/onlyfullstack/unittesting/service/EmployeeService.java

@@ -1,7 +1,3 @@
-/*
- * Copyright (c) 2019 Mastercard. All rights reserved.
- */
-
 package com.onlyfullstack.unittesting.service;
 
 import java.util.Collections;

unit-testing/src/main/java/com/onlyfullstack/unittesting/service/ExceptionHandling.java

@@ -1,18 +1,14 @@
-/*
- * Copyright (c) 2019 Mastercard. All rights reserved.
- */
-
 package com.onlyfullstack.unittesting.service;
 
 import org.apache.commons.lang3.StringUtils;
 
 /**
- * TODO: Javadoc
+ * This class contains the business logic to throw an exception
  */
 public final class ExceptionHandling {
 
     public String convertIntoUpperCase(String input) {
-        if(StringUtils.isEmpty(input)) {
+        if (StringUtils.isEmpty(input)) {
             throw new IllegalArgumentException("Empty value is passed.");
         }
         return input.toUpperCase();

unit-testing/src/test/java/com/onlyfullstack/unittesting/CollectionMatcher.java

@@ -1,7 +1,3 @@
-/*
- * Copyright (c) 2019 Mastercard. All rights reserved.
- */
-
 package com.onlyfullstack.unittesting;
 
 import java.util.ArrayList;
@@ -10,7 +6,6 @@
 import java.util.List;
 import java.util.Map;
 
-import org.hamcrest.collection.IsMapContaining;
 import org.junit.Test;
 
 import static org.hamcrest.Matchers.contains;

unit-testing/src/test/java/com/onlyfullstack/unittesting/MatcherExample.java

@@ -1,7 +1,3 @@
-/*
- * Copyright (c) 2019 Mastercard. All rights reserved.
- */
-
 package com.onlyfullstack.unittesting;
 
 import org.junit.Test;
@@ -45,7 +41,7 @@ public void startsWith_example() {
     @Test
     public void endsWith_example() {
         String name = "OnlyFullstack";
-        String newName = "Only";
+        String newName = "stack";
         assertThat(name, endsWith(newName));
     }
 

unit-testing/src/test/java/com/onlyfullstack/unittesting/NumberMatcher.java

@@ -1,7 +1,3 @@
-/*
- * Copyright (c) 2019 Mastercard. All rights reserved.
- */
-
 package com.onlyfullstack.unittesting;
 
 import org.junit.Test;
@@ -13,7 +9,7 @@
 import static org.junit.Assert.assertThat;
 
 /**
- * TODO: Javadoc
+ * This class contains the Number matchers
  */
 public final class NumberMatcher {
 

unit-testing/src/test/java/com/onlyfullstack/unittesting/service/EmployeeServiceTest.java

@@ -1,7 +1,3 @@
-/*
- * Copyright (c) 2019 Mastercard. All rights reserved.
- */
-
 package com.onlyfullstack.unittesting.service;
 
 import com.onlyfullstack.unittesting.bean.Employee;
@@ -12,8 +8,15 @@
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.hamcrest.CoreMatchers.*;
-import static org.junit.Assert.*;
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
 
 /**
  * This class contains Unit Test cases of {@link EmployeeService}
@@ -66,7 +69,9 @@ public void isValidEmployee_withNegativeSalary() {
     @Test
     public void assertEquals_example() {
         Employee employeeNew = new Employee();
-        employee.setSalary(1000000.0);
+        employeeNew.setSalary(1000000.0);
+        employeeNew.setName("Saurabh");
+        employeeNew.setId(1);
         assertEquals("EMPLOYEE OBJECT", employee, employeeNew);
     }
 

unit-testing/src/test/java/com/onlyfullstack/unittesting/service/ExceptionHandlingTest.java

@@ -1,28 +1,52 @@
-/*
- * Copyright (c) 2019 Mastercard. All rights reserved.
- */
-
 package com.onlyfullstack.unittesting.service;
 
+import org.assertj.core.api.Assertions;
 import org.hamcrest.CoreMatchers;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import static org.assertj.core.api.Assertions.fail;
+import static org.hamcrest.MatcherAssert.assertThat;
 
-import static org.junit.Assert.*;
 
 /**
- * TODO: Javadoc
+ * This class contains the different ways to assert certain exception in Junit.
  */
 public class ExceptionHandlingTest {
 
     ExceptionHandling exceptionHandling = new ExceptionHandling();
 
+    @Rule
+    public ExpectedException exception = ExpectedException.none();
+
     @Test
     public void convertIntoUpperCase_withValidInput() {
         assertThat("ABC", CoreMatchers.is(exceptionHandling.convertIntoUpperCase("abc")));
     }
 
     @Test
-    public void convertIntoUpperCase_withInvalidInput_tryCatchIdem() {
-        assertThat("ABC", CoreMatchers.is(exceptionHandling.convertIntoUpperCase("")));
+    public void convertIntoUpperCase_withInvalidInput_tryCatchIdiom() {
+        try {
+            exceptionHandling.convertIntoUpperCase("");
+            fail("It should throw IllegalArgumentException");
+        } catch (IllegalArgumentException e) {
+            Assertions.assertThat(e)
+                    .isInstanceOf(IllegalArgumentException.class)
+                    .hasMessage("Empty value is passed.");
+        }
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void convertIntoUpperCase_withInvalidInput_testExpected() {
+        exceptionHandling.convertIntoUpperCase("");
+    }
+
+    @Test
+    public void convertIntoUpperCase_withInvalidInput_ExpectedExceptionRule() {
+        exception.expect(IllegalArgumentException.class);
+        exception.expectMessage("Empty value is passed.");
+        exceptionHandling.convertIntoUpperCase("");
     }
+
 }