Updating README file

Author: onlyfullstack

README.md

@@ -1 +1,122 @@
-# unit-testing-and-integration-testing-with-spring-boot
+# Unit Testing and Mockito Tutorial
+In this tutorial, we will understand how to write JUnit test cases. We will understand and implement the below topics.
+
+[**JUnit Tutorial**](https://onlyfullstack.blogspot.com/2019/02/junit-tutorial.html)
+
+**Part 1 - What is Unit Testing?**
+In this tutorial, we will understand below topics -
+ - What is Unit Testing?
+ - Unit Testing Method
+ - When is it performed?
+ - Who performs it?
+ - How to perform it?
+[**https://onlyfullstack.blogspot.com/2019/02/what-is-unit-testing.html**](https://onlyfullstack.blogspot.com/2019/02/what-is-unit-testing.html)
+
+**Part 2 - ** What is JUnit? How to use JUnit?**
+In this tutorial, we will understand below topics -
+ - What is Junit?
+ - How to use Junit?
+ - Where should the test be located?
+ - How to execute JUnit tests?
+    1. Using mvn command
+    2. Using Eclipse Run as \> JUnit Test
+ - Eclipse Optimize Imports to Include Static Imports
+[**https://onlyfullstack.blogspot.com/2019/02/what-is-junit-how-to-use-junit.html**](https://onlyfullstack.blogspot.com/2019/02/what-is-junit-how-to-use-junit.html)
+
+**Part 3 - Annotations used in JUnit**
+In this tutorial, we will understand below topics -
+ - How to define a test in JUnit?
+ - Annotations used in Junit
+    1. @Test
+    2. @Before
+    3. @After
+    4. @BeforeClass
+    5. @AfterClass
+    6. @Ignore or @Ignore("Why disabled")
+    7. @Test (expected = Exception.class)
+[**https://onlyfullstack.blogspot.com/2019/02/annotations-used-in-junit.html**](https://onlyfullstack.blogspot.com/2019/02/annotations-used-in-junit.html)
+
+**Part 4 - JUnit Assert Methods**
+In this tutorial, we will understand below topics -
+- Assert Methods
+    1. assertEquals()
+    2. assertTrue() + assertFalse()
+    3. assertNull() + assertNotNull()
+    4. assertSame() and assertNotSame()
+    5. assertThat()
+[**https://onlyfullstack.blogspot.com/2019/02/junit-assert-methods.html**](https://onlyfullstack.blogspot.com/2019/02/junit-assert-methods.html)
+
+**Part 5 - Complete guide for Hamcrest JUnit**
+In this tutorial we will understand below topics-
+- Hamcrest Matcher Tutorial
+- The Core Matchers
+    1. CoreMatchers.is(T value)
+    2. CoreMatchers.not(T value)
+    3. CoreMatchers.startsWith(String prefix) & CoreMatchers. endsWith(String suffix)
+    4. CoreMatchers.containsString(String substring)
+    5. CoreMatchers.notNullValue()
+    6. CoreMatchers.sameInstance(T target) & CoreMatchers.instanceOf(Class\<?\> type)
+- Number Matcher
+    1. Matchers.greaterThan(T value) Matchers.greaterThanOrEqualTo(T value)
+    2. Matchers.lessThan(T value) Matchers.lessThanOrEqualTo(T value)
+- Collection Matcher
+    1. Matchers.empty()
+    2. Matchers.hasSize(int size) and Matchers.hasItem(T item)
+    3. Matchers. hasKey(K key), Matchers.hasValue(V value) & Matchers.hasEntry(K key, V value)
+
+[**https://onlyfullstack.blogspot.com/2019/02/complete-guide-for-hamcrest-junit.html**](https://onlyfullstack.blogspot.com/2019/02/complete-guide-for-hamcrest-junit.html)
+
+**Part 6 - Assert for an exception in JUnit**
+In this tutorial, we will understand below topics-
+ - How do you assert that a certain exception is thrown in JUnit 4 tests?
+    1. try-catch idiom
+    2. @Test expected annotation
+    3. Junit @Rule
+[**https://onlyfullstack.blogspot.com/2019/02/assert-for-exception-in-junit.html**](https://onlyfullstack.blogspot.com/2019/02/assert-for-exception-in-junit.html)
+
+
+**_____________________________________________________________________________________________**
+
+**Mockito Tutorial**
+
+[**Mickito Tutorial**](https://onlyfullstack.blogspot.com/2019/02/mockito-tutorial.html)
+
+In this tutorial, we will understand how to use Mockito framework. We will understand and implement the below topics.
+
+**Part 1 - What is Mockito?**
+In this tutorial, we will understand below topics -
+- What is a Mock Object?
+- When should I mock?
+- Mockito Framework
+- Enable Mockito Annotations
+- How to Mock Object with @Mock & @InjectMock annotations in Spring application?
+[**https://onlyfullstack.blogspot.com/2019/02/what-is-mockito.html**](https://onlyfullstack.blogspot.com/2019/02/what-is-mockito.html)
+
+**Part 2 - How to mock methods with Mockito?**
+ - How to mock methods?
+     1. when/then
+     2. when/thenThrow
+     3. when/thenAnswer
+[**https://onlyfullstack.blogspot.com/2019/02/how-to-mock-methods-with-mockito.html**](https://onlyfullstack.blogspot.com/2019/02/how-to-mock-methods-with-mockito.html)
+
+**Part 3- How to mock void methods with Mockito**
+ - Mocking Void Methods
+ - Three ways to mock the void method:
+     1. doNothing/when
+     2. doAnswer/when
+     3. doThrow/when
+[**https://onlyfullstack.blogspot.com/2019/02/how-to-mock-void-methods-with-mockito.html**](https://onlyfullstack.blogspot.com/2019/02/how-to-mock-void-methods-with-mockito.html)
+
+**Part 4 - How to verify mocks in Mockito**
+ - Simple verify method
+ - Variations in verify method
+ - Verify with the number of times
+ - Mockito Verify Order of Invocation
+[**https://onlyfullstack.blogspot.com/2019/02/how-to-verify-mocks-in-mockito.html**](https://onlyfullstack.blogspot.com/2019/02/how-to-verify-mocks-in-mockito.html)
+
+**Part 5 - **** Mockito Mock vs Spy**
+ - Mockito Mock vs Spy
+     1. Object declaration
+     2. When the methods are not mocked
+     3. When the method is mocked
+[**https://onlyfullstack.blogspot.com/2019/02/mockito-mock-vs-spy.html**](https://onlyfullstack.blogspot.com/2019/02/mockito-mock-vs-spy.html)