src/test/java/com/organization/service/ChatClientServiceTest.java - master - itokar98/java-diplom-networkchat

src/test/java/com/organization/service/ChatClientServiceTest.java
97 строк3 KB
Ilya Tokar
First commit
21 дек 2025, 15:29
21 дек 2025, 15:293f8814c
package com.organization.service;

import com.organization.config.ClientConfigLoader;
import org.apache.logging.log4j.Logger;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.*;

@ExtendWith(MockitoExtension.class)
public class ChatClientServiceTest {

    @Mock
    private ClientConfigLoader configLoader;

    @Mock
    private Socket socket;

    @Mock
    private PrintWriter printWriter;

    @Mock
    private BufferedReader bufferedReader;

    @Mock
    private Logger logger;

    @InjectMocks
    private ChatClientService chatClientService;

    @Test
    public void testReadUserName_ValidName() throws IOException {
        BufferedReader userInput = mock(BufferedReader.class);
        when(userInput.readLine()).thenReturn("John");

        String result = chatClientService.readUserName(userInput);

        assertEquals("John", result);
    }

    @Test
    public void testReadUserName_EmptyName() throws IOException {
        BufferedReader userInput = mock(BufferedReader.class);
        when(userInput.readLine()).thenReturn("");

        String result = chatClientService.readUserName(userInput);

        assertEquals("Anonymous", result);
    }

    @Test
    public void testReadUserName_NullName() throws IOException {
        BufferedReader userInput = mock(BufferedReader.class);
        when(userInput.readLine()).thenReturn(null);

        String result = chatClientService.readUserName(userInput);

        assertEquals("Anonymous", result);
    }

    @Test
    public void testProcessUserInput_ExitCommand() throws IOException {
        BufferedReader userInput = mock(BufferedReader.class);
        PrintWriter out = mock(PrintWriter.class);

        when(userInput.readLine())
                .thenReturn("/exit")
                .thenReturn(null);

        chatClientService.processUserInput("John", userInput, out);

        verify(out, never()).println(anyString());
    }

    @Test
    public void testProcessUserInput_NormalMessage() throws IOException {
        BufferedReader userInput = mock(BufferedReader.class);
        PrintWriter out = mock(PrintWriter.class);

        when(userInput.readLine())
                .thenReturn("Hello World")
                .thenReturn("/exit");

        chatClientService.processUserInput("John", userInput, out);

        verify(out).println("John: Hello World");
    }
}