Initial commit of ArgumentCaptor

2020-07-11 16:42:03 +01:00
parent f8e81491ea
commit c9a65c76e2
8 changed files with 228 additions and 0 deletions
--- a/testing-modules/mockito-2/src/test/java/com/baeldung/mockito/argumentcaptor/EmailServiceUnitTest.java
+++ b/testing-modules/mockito-2/src/test/java/com/baeldung/mockito/argumentcaptor/EmailServiceUnitTest.java
@@ -0,0 +1,100 @@
+package com.baeldung.mockito.argumentcaptor;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import static org.junit.Assert.*;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class EmailServiceUnitTest {
+
+    @InjectMocks
+    EmailService emailService;
+
+    @Mock
+    DeliveryPlatform platform;
+
+    @Captor
+    ArgumentCaptor<Email> emailCaptor;
+
+    @Captor
+    ArgumentCaptor<Credentials> credentialsCaptor;
+
+    @Test
+    public void whenDoesNotSupportHtml_expectTextOnlyEmailFormat() {
+        String to = "info@baeldung.com";
+        String subject = "Using ArgumentCaptor";
+        String body = "Article on using ArgumentCaptor";
+
+        emailService.send(to, subject, body, false);
+
+        verify(platform).send(emailCaptor.capture());
+        Email emailCaptorValue = emailCaptor.getValue();
+        assertEquals(Format.TEXT_ONLY, emailCaptorValue.getFormat());
+    }
+
+    @Test
+    public void send_whenDoesSupportHtml_expectHTMLEmailFormat() {
+        String to = "baeldung@baeldung.com";
+        String subject = "Great New Course!";
+        String body = "<html><body>Try out our new course.</html></body>";
+
+        emailService.send(to, subject, body, true);
+
+        verify(platform).send(emailCaptor.capture());
+        Email value = emailCaptor.getValue();
+        assertEquals(Format.HTML, value.getFormat());
+    }
+
+    @Test
+    public void getServiceStatus_whenServiceRunning_expectUpResponse() {
+        when(platform.getServiceStatus()).thenReturn("OK");
+
+        ServiceStatus serviceStatus = emailService.checkServiceStatus();
+
+        assertEquals(ServiceStatus.UP, serviceStatus);
+    }
+
+    @Test
+    public void getServiceStatus_whenServiceNotRunning_expectDownResponse() {
+        when(platform.getServiceStatus()).thenReturn("Error");
+
+        ServiceStatus serviceStatus = emailService.checkServiceStatus();
+
+        assertEquals(ServiceStatus.DOWN, serviceStatus);
+    }
+
+    @Test
+    public void usingArgumemtMatcher_whenAuthenticatedWithValidCredentials_expectTrue() {
+        Credentials credentials = new Credentials("baeldung", "correct_password", "correct_key");
+        when(platform.authenticate(eq(credentials))).thenReturn(AuthenticationStatus.AUTHENTICATED);
+
+        assertTrue(emailService.authenticatedSuccessfully(credentials));
+    }
+
+    @Test
+    public void usingArgumentCapture_whenAuthenticatedWithValidCredentials_expectTrue() {
+        Credentials credentials = new Credentials("baeldung", "correct_password", "correct_key");
+        when(platform.authenticate(credentialsCaptor.capture())).thenReturn(AuthenticationStatus.AUTHENTICATED);
+
+        assertTrue(emailService.authenticatedSuccessfully(credentials));
+        assertEquals(credentials, credentialsCaptor.getValue());
+    }
+
+    @Test
+    public void authenticate_whenNotAuthenticated_expectFalse() {
+        Credentials credentials = new Credentials("baeldung", "incorrect_password", "incorrect_key");
+        when(platform.authenticate(credentialsCaptor.capture())).thenReturn(AuthenticationStatus.NOT_AUTHENTICATED);
+
+        assertFalse(emailService.authenticatedSuccessfully(credentials));
+        assertEquals(credentials, credentialsCaptor.getValue());
+    }
+}