Mockito तर्क मिलानकर्ता

import org.junit.jupiter.api.Test;
import static org.mockito.Mockito.*;

interface MyService {
  void processData(String message, int count);
}

public class AnyMatcherDemo {
  @Test
  void testAnyArgument() {
    MyService mockService = mock(MyService.class);
    mockService.processData("Hello", 5);

    // Verify processData was called with ANY String and ANY int
    verify(mockService).processData(anyString(), anyInt());
    System.out.println("Verified with anyString() and anyInt()!");
  }

  public static void main(String[] args) {
    new AnyMatcherDemo().testAnyArgument();
  }
}

import org.junit.jupiter.api.Test;
import static org.mockito.Mockito.*;

interface MyProcessor {
  void handle(String type, int id);
}

public class EqAndAnyDemo {
  @Test
  void testSpecificAndAny() {
    MyProcessor mockProcessor = mock(MyProcessor.class);
    mockProcessor.handle("EMAIL", 101);
    mockProcessor.handle("SMS", 202);

    // Verify handle was called with "EMAIL" as type and ANY int as id
    verify(mockProcessor).handle(eq("EMAIL"), anyInt());
    System.out.println("Verified handle('EMAIL', anyInt())!");
  }

  public static void main(String[] args) {
    new EqAndAnyDemo().testSpecificAndAny();
  }
}

import org.junit.jupiter.api.Test;
import static org.mockito.Mockito.*;
import static org.mockito.AdditionalMatchers.*; // For and/or/gt/lt

interface OrderService {
  void placeOrder(int customerId, double amount);
}

public class CombinedMatchersDemo {
  @Test
  void testCombinedMatchers() {
    OrderService mockService = mock(OrderService.class);
    mockService.placeOrder(101, 150.0);
    mockService.placeOrder(105, 50.0);

    // Verify calls where customerId > 100 AND amount > 100.0
    verify(mockService).placeOrder(
        and(gt(100), lt(1000)), // customerId between 101 and 999
        gt(100.0)
    );
    System.out.println("Verified order with customerId > 100 AND amount > 100!");
  }

  public static void main(String[] args) {
    new CombinedMatchersDemo().testCombinedMatchers();
  }
}

import org.junit.jupiter.api.Test;
import static org.mockito.Mockito.*;

class Product {
  String name;
  double price;
  Product(String name, double price) { this.name = name; this.price = price; }
  public String getName() { return name; }
  public double getPrice() { return price; }
}

interface ProductRepository {
  void save(Product product);
}

public class ArgThatDemo {
  @Test
  void testArgThatMatcher() {
    ProductRepository mockRepo = mock(ProductRepository.class);
    mockRepo.save(new Product("Laptop", 1200.0));
    mockRepo.save(new Product("Mouse", 25.0));

    // Verify save was called with a product whose price is > 1000
    verify(mockRepo).save(argThat(p -> p.getPrice() > 1000.0));
    System.out.println("Verified product with price > 1000 was saved!");
  }

  public static void main(String[] args) {
    new ArgThatDemo().testArgThatMatcher();
  }
}

import org.junit.jupiter.api.Test;
import static org.mockito.Mockito.*;

interface DataService {
  String getData(String key);
}

public class StubbingWithMatchers {
  @Test
  void testStubbingWithAny() {
    DataService mockService = mock(DataService.class);

    // Stubbing: if getData is called with "config", return "Config Data"
    when(mockService.getData(eq("config"))).thenReturn("Config Data");
    // Stubbing: if getData is called with ANY other String, return "Default Data"
    when(mockService.getData(anyString())).thenReturn("Default Data");

    System.out.println("Result 1: " + mockService.getData("config"));
    System.out.println("Result 2: " + mockService.getData("user_profile"));
  }

  public static void main(String[] args) {
    new StubbingWithMatchers().testStubbingWithAny();
  }
}

import org.junit.jupiter.api.Test;
import static org.mockito.Mockito.*;

interface Logger {
  void log(String level, String message);
}

public class VerificationWithMatchers {
  @Test
  void testVerificationWithAny() {
    Logger mockLogger = mock(Logger.class);
    mockLogger.log("INFO", "User logged in.");
    mockLogger.log("ERROR", "Failed to save.");
    mockLogger.log("INFO", "Data processed.");

    // Verify 'log' was called twice with "INFO" and ANY String message
    verify(mockLogger, times(2)).log(eq("INFO"), anyString());
    System.out.println("Verified 2 INFO logs with any message!");
  }

  public static void main(String[] args) {
    new VerificationWithMatchers().testVerificationWithAny();
  }
}