Add & Delete Testing 2

src/test/java/ua/com/javarush/gnew/m2/cli/commands/AddContactTest.java

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+package ua.com.javarush.gnew.m2.cli.commands;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import picocli.CommandLine;
+import ua.com.javarush.gnew.m2.dto.ContactDto;
+import ua.com.javarush.gnew.m2.service.PhoneBookInterface;
+
+import java.lang.reflect.Field;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.times;
+
+
+class AddContactTest {
+
+    @Mock
+    private PhoneBookInterface phoneBookInterface;
+
+    private AddContact addContact;
+
+    @BeforeEach
+    void setUp() throws Exception {
+        MockitoAnnotations.openMocks(this);
+
+        addContact = new AddContact();
+
+        Field phoneBookInterfaceField = AddContact.class.getDeclaredField("phoneBookInterface");
+        phoneBookInterfaceField.setAccessible(true);
+        phoneBookInterfaceField.set(addContact, phoneBookInterface);
+    }
+
+    @Test
+    void testCallAddContactSuccessfully() throws Exception {
+
+        ContactDto savedContact = new ContactDto("Иван Иванов", List.of("123456789"), List.of("ivan@example.com"), "ivanGitHub");
+        when(phoneBookInterface.add(any(ContactDto.class))).thenReturn(savedContact);
+
+        String[] args = {
+                "--name", "Иван Иванов",
+                "--phone", "123456789",
+                "--email", "ivan@example.com",
+                "--github", "ivanGitHub"
+        };
+        CommandLine.populateCommand(addContact, args);
+
+        Integer result = addContact.call();
+
+        verify(phoneBookInterface, times(1)).add(any(ContactDto.class));
+
+        assertEquals(0, result);
+    }
+
+    @Test
+    void testCallWithException() throws Exception {
+
+        when(phoneBookInterface.add(any(ContactDto.class))).thenThrow(new RuntimeException("Ошибка добавления"));
+
+        String[] args = {
+                "--name", "Иван Иванов",
+                "--phone", "123456789"
+        };
+        CommandLine.populateCommand(addContact, args);
+
+        try {
+            addContact.call();
+        } catch (RuntimeException e) {
+            assertEquals("java.lang.RuntimeException: Ошибка добавления", e.getMessage());
+        }
+
+        verify(phoneBookInterface, times(1)).add(any(ContactDto.class));
+    }
+}

src/test/java/ua/com/javarush/gnew/m2/cli/commands/DeleteContactTest.java

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+package ua.com.javarush.gnew.m2.cli.commands;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import picocli.CommandLine;
+import ua.com.javarush.gnew.m2.service.PhoneBookInterface;
+
+import java.io.IOException;
+import java.util.List;
+
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.times;
+
+
+class DeleteContactTest {
+
+    @Mock
+    private PhoneBookInterface phoneBookInterface;
+
+    private DeleteContact deleteContact;
+
+    @BeforeEach
+    void setUp() throws Exception {
+        MockitoAnnotations.openMocks(this);
+
+        deleteContact = new DeleteContact();
+        var field = DeleteContact.class.getDeclaredField("phoneBookInterface");
+        field.setAccessible(true);
+        field.set(deleteContact, phoneBookInterface);
+    }
+
+    @Test
+    void testCallSuccessfulDeletion() throws Exception {
+
+        doNothing().when(phoneBookInterface).delete(anyLong());
+        when(phoneBookInterface.list()).thenReturn(List.of());
+
+        String[] args = {"123", "456", "789"};
+        CommandLine.populateCommand(deleteContact, args);
+
+        Integer result = deleteContact.call();
+
+        verify(phoneBookInterface, times(1)).delete(123L);
+        verify(phoneBookInterface, times(1)).delete(456L);
+        verify(phoneBookInterface, times(1)).delete(789L);
+
+        verify(phoneBookInterface, times(1)).list();
+
+        assert result == 0;
+    }
+
+    @Test
+    void testCallDeletionWithException() throws Exception {
+
+        doNothing().when(phoneBookInterface).delete(123L);
+        doThrow(new IOException("Ошибка удаления")).when(phoneBookInterface).delete(456L);
+
+        String[] args = {"123", "456"};
+        CommandLine.populateCommand(deleteContact, args);
+
+        Integer result = deleteContact.call();
+
+        verify(phoneBookInterface, times(1)).delete(123L);
+        verify(phoneBookInterface, times(1)).delete(456L);
+
+        verify(phoneBookInterface, times(1)).list();
+
+        assert result == 0;
+    }
+}