Why Telecom Firms Hire More Software Testers in 2026

// RestAssured API test — the kind telecom QA roles expect
// (Airtel, Jio, Vi, Ericsson, Nokia all use similar patterns)

import io.restassured.RestAssured;
import io.restassured.response.Response;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import static io.restassured.RestAssured.*;
import static org.hamcrest.Matchers.*;

public class BillingApiTest {

    @BeforeClass
    public void setup() {
        RestAssured.baseURI = "https://api.telecom.example.com";
        RestAssured.basePath = "/v1/billing";
    }

    @Test
    public void testGetCurrentBill_returnsValidBillForValidCustomer() {
        given()
            .header("Authorization", "Bearer " + TOKEN)
            .queryParam("customerId", "CUST12345")
        .when()
            .get("/current")
        .then()
            .statusCode(200)
            .body("customerId", equalTo("CUST12345"))
            .body("billingPeriod", matchesPattern("\\d{4}-\\d{2}"))
            .body("totalAmount", greaterThan(0f))
            .body("currency", equalTo("INR"))
            .time(lessThan(2000L));  // SLA: response under 2s
    }

    @Test
    public void testGetCurrentBill_returnsErrorForUnknownCustomer() {
        given()
            .header("Authorization", "Bearer " + TOKEN)
            .queryParam("customerId", "UNKNOWN999")
        .when()
            .get("/current")
        .then()
            .statusCode(404)
            .body("error", equalTo("Customer not found"));
    }

    @Test
    public void testGetCurrentBill_failsWithoutAuth() {
        given()
            .queryParam("customerId", "CUST12345")
        .when()
            .get("/current")
        .then()
            .statusCode(401);
    }
}

// Real skills: REST API testing, assertions, SLA validation,
// authentication testing, negative testing — exactly what telecom QA roles test.

// Playwright E2E test — for telecom customer apps
// (the kind of end-to-end test the QA team writes for MyJio / Airtel Thanks)

import { test, expect } from '@playwright/test';

test.describe('Airtel Thanks App - Prepaid Recharge Flow', () => {
  test.beforeEach(async ({ page }) => {
    await page.goto('https://airtel-thanks.example.com/login');
    await page.fill('[data-testid="mobile-input"]', '9999999999');
    await page.click('[data-testid="send-otp-btn"]');
    // In real tests, we mock OTP API here — never use real OTP in tests
    await page.fill('[data-testid="otp-input"]', '123456');
    await page.click('[data-testid="verify-otp-btn"]');
    await expect(page).toHaveURL(/.*dashboard/);
  });

  test('recharge plan selection works', async ({ page }) => {
    await page.click('[data-testid="recharge-btn"]');

    // Assert plan cards are visible and clickable
    await expect(page.locator('[data-testid="plan-card"]')).toHaveCount(6);

    // Select ₹299 plan
    await page.click('[data-testid="plan-card"][data-amount="299"]');
    await expect(page.locator('[data-testid="selected-plan"]'))
      .toContainText('₹299');

    // Proceed to payment
    await page.click('[data-testid="proceed-payment-btn"]');
    await expect(page.locator('[data-testid="payment-page"]')).toBeVisible();
  });

  test('recharge success page shows correct details', async ({ page }) => {
    await page.click('[data-testid="recharge-btn"]');
    await page.click('[data-testid="plan-card"][data-amount="299"]');
    await page.click('[data-testid="proceed-payment-btn"]');

    // Mock payment success
    await page.click('[data-testid="pay-via-upi"]');

    // Verify success page
    await expect(page.locator('[data-testid="success-message"]'))
      .toContainText('Recharge Successful');
    await expect(page.locator('[data-testid="new-balance"]')).toBeVisible();
    await expect(page.locator('[data-testid="validity"]')).toBeVisible();
  });
});

// Real skills: Playwright, E2E testing, mobile-web testing,
// mocking external services, negative test cases, mobile UX testing.