01
How do you retry failed tests in TestNG?
Show answer
Implement IRetryAnalyzer with a retry count and attach it through the test annotation or a listener to rerun flaky tests.
Ola Automation Testing Interview Questions & Answers
Curated interview practice questions with answers. These are practice scenarios, not a verified list of past interview questions.
About Ola hiring for Automation Testing roles
Ola, operated by ANI Technologies, is an Indian ride-hailing platform offering cabs, auto-rickshaws and bike taxis, and it is part of a group that also includes Ola Electric and Krutrim. Its technology and analytics teams work on pricing, dispatch, maps and driver supply. It hires for software engineers, SDETs, business analysts and data scientists.
For Automation Testing roles, this Ola practice set focuses most on TestNG Framework (8), Selenium WebDriver (6), Cucumber and BDD (5), Page Object Model (4). It has 1 easy, 30 medium, 9 hard questions, so you can start easy and work up to the harder ones.
- Company type
- Product
- Headquarters
- Bengaluru, India
- Main India offices
- Bengaluru
Ola Automation Testing interview process
- Online coding assessment
- Technical round 1 (DSA)
- Technical round 2 (design or case)
- Hiring manager round
Typical pattern based on public candidate experiences. Rounds vary by role, team and year.
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02
How do you rerun only failed Cucumber scenarios?
Show answer
Add the rerun plugin, for example rerun:target/failed.txt, to the main runner. It writes the location of each failed scenario. Create a second runner whose features point to @target/failed.txt and run it after the main run in Maven or Jenkins. Use reruns to separate real failures from flaky ones, but track flaky scenarios and fix them instead of hiding them.
03
Write a TestNG listener that logs test start and failure.
Show answer
public class LogListener implements ITestListener {
@Override
public void onTestStart(ITestResult r) {
System.out.println("START: " + r.getMethod().getMethodName());
}
@Override
public void onTestFailure(ITestResult r) {
System.out.println("FAIL: " + r.getName() + " - " + r.getThrowable());
}
}
// register with @Listeners(LogListener.class) or <listeners> in testng.xml
04
What is the difference between a declarative and a scripted Jenkins pipeline?
Show answer
Declarative pipelines use a fixed structure: pipeline, agent, stages, steps, post, with built-in options and validation; they are easier to read and are the recommended default. Scripted pipelines use node blocks and full Groovy, giving more flexibility for complex logic but making them harder to maintain. Most test pipelines use declarative syntax with small script blocks only where needed.
05
How do you undo a commit that has already been pushed?
Show answer
Use git revert <commit>, which creates a new commit that reverses the changes and keeps history intact, safe for shared branches. git reset moves the branch pointer backwards and is fine for local commits, but resetting and force-pushing a shared branch rewrites history and breaks teammates' clones. If force push is truly needed, use --force-with-lease and tell the team.
06
A third-party payment API is slow and makes your tests time out in CI. What do you do?
Show answer
Separate concerns: for most functional tests, stub the payment API with WireMock returning success, failure and timeout responses, so tests are fast and deterministic. Keep a small set of integration tests against the sandbox, with longer timeouts and retries for network errors, run on a schedule. Report sandbox slowness separately so it does not block every pull request.
07
A dropdown option list loads only after typing three letters. How do you automate selecting a value?
Show answer
Type the text with sendKeys, wait for the suggestion list with visibilityOfAllElementsLocatedBy, then find the option whose text matches the required value and click it. Avoid selecting by index because suggestion order may change. If the list is virtualised, type more characters to narrow results. Verify the selected value in the input afterwards.
08
What is the Background keyword and when should you avoid it?
Show answer
Background holds steps that run before every scenario in a feature file, such as opening the app and logging in. It removes repetition in Given steps. Avoid it when it becomes long, when only some scenarios need it, or when it hides important context, because readers then cannot understand a scenario on its own. In that case use a hook or a clearer Given step.
09
How would you design one mobile framework that serves both Android and iOS?
Show answer
Keep tests platform-neutral and push differences into page objects. Use Appium's @AndroidFindBy and @iOSXCUITFindBy annotations, or separate locator files per platform, behind one screen class. Create the driver through a factory that reads platform from configuration. Ask developers to add the same accessibility ids on both platforms so most locators are shared. Put gestures and waits in a common base screen, and tag tests that apply to only one platform.
10
Tell me about a time you led the design of a test framework for a new project.
Show answer
Situation: a new product had no automation and a three-month release target. Task: I was asked to set up the framework and guide two juniors. Action: I chose Java, TestNG, Selenium with POM and REST Assured, set up Maven, Jenkins and Allure, wrote conventions and reviewed every pull request early on. Result: we had 250 stable tests in CI before release, and the juniors could extend it independently.
11
How do you handle an element inside a shadow DOM in Selenium 4?
Show answer
Find the shadow host element, then call getShadowRoot() to get a SearchContext, and search inside it with CSS selectors: driver.findElement(By.cssSelector("my-app")).getShadowRoot().findElement(By.cssSelector("#submit")). XPath does not work inside shadow roots. For nested shadow roots, repeat the step for each host. Closed shadow roots cannot be accessed this way.
12
How do you attach a screenshot to the Cucumber report when a scenario fails?
Show answer
@After
public void afterScenario(Scenario scenario) {
if (scenario.isFailed()) {
byte[] shot = ((TakesScreenshot) driver)
.getScreenshotAs(OutputType.BYTES);
scenario.attach(shot, "image/png", scenario.getName());
}
driver.quit();
}
13
A mobile test fails intermittently because an animation is still running when you tap. How do you fix it?
Show answer
Wait for a stable end state instead of sleeping, for example wait until the target element is visible and enabled or until a spinner disappears. On test devices and emulators you can disable animations with adb shell settings put global window_animation_scale 0, along with the transition and animator scales. Ask developers for an idle indicator if needed. Disabling animations makes tests faster and more stable, but keep one manual check of the real animations.
14
An API test passes alone but fails when the suite runs in parallel. What could be wrong?
Show answer
Likely shared state. Common causes are static RestAssured settings changed by one test, shared test data like the same user being updated by two tests, token reuse after another test logged out, or rate limits. Fix by using per-test RequestSpecification instead of global statics, creating unique data per test, isolating tokens, and checking server rate-limit responses such as 429.
15
How do you handle a component that appears inside many different pages, like a modal dialog?
Show answer
Create a ModalComponent class scoped to the modal root element, with methods like title(), confirm() and cancel(). Pages that open modals return the component, such as cartPage.removeItem() returning ConfirmModal. The component waits for itself to appear and disappear. This keeps modal logic in one place and avoids copying locators into every page.
16
Parallel TestNG runs open browsers that interact with each other's tests. How do you fix it?
Show answer
The WebDriver is shared, probably through a static field. Replace it with a ThreadLocal<WebDriver> in a DriverManager, create the driver in @BeforeMethod and call quit() and remove() in @AfterMethod(alwaysRun = true). Make page objects take the driver from the current thread. Also check test data, reports and loggers are thread-safe.
17
How do you handle iframes?
Show answer
switchTo().frame(index, name or element) enters the frame, and switchTo().defaultContent() returns to the main page.
18
Your retry analyzer makes the suite green but bugs are slipping into production. What is wrong?
Show answer
Retries are hiding real intermittent defects, such as race conditions, by treating them as flaky tests. Limit retries to one, report retried tests separately as flaky in the dashboard, and require a ticket for each one. Review retried tests weekly to find whether the cause is the test or the product. Retries should buy time to fix, not replace fixing.
19
How have you handled disagreement with a developer about whether something is a bug?
Show answer
Situation: a developer said a rounding difference in invoice totals was expected. Task: resolve it without friction. Action: I checked the requirement, found it specified rounding per line, and brought the document and a test case with expected values to a quick call with the BA. Result: the BA confirmed it was a bug, it was fixed, and we added the rule to the acceptance criteria.
20
Your load test showed good results, but production slowed down at the same traffic. What could explain the difference?
Show answer
The test may not have matched reality. Common gaps are unrealistic think time or user journeys, repeated test data giving high cache hits, a smaller database than production, missing third-party calls that were stubbed, a test environment with different hardware or configuration, and load generated from one region. Review production logs and analytics to rebuild the workload model, use production-like data volumes and repeat the test.
21
How do you upload a file with REST Assured?
Show answer
Use multipart: given().multiPart("file", new File("src/test/resources/report.pdf"), "application/pdf").formParam("type", "invoice").when().post("/upload").then().statusCode(200). REST Assured sets the multipart/form-data content type automatically. Verify both the status and the response, such as the returned file id or size, and test edge cases like empty, oversized and wrong-type files.
22
Mobile tests pass on the emulator but fail on a low-end real device. How do you investigate?
Show answer
Low-end devices are slower, so fixed waits and short timeouts expire before screens render. Replace sleeps with explicit waits and increase timeouts sensibly. Check for vendor-specific pop-ups, battery optimisation dialogs or different keyboards on that brand. Compare screen size and resolution, since coordinate-based taps break. Collect device logs with adb logcat and screen recordings to see what the app was doing. Also check whether the app crashed due to low memory.
23
Write a DataProvider that supplies two sets of login data and a test that uses it.
Show answer
@DataProvider(name = "logins")
public Object[][] logins() {
return new Object[][] {
{"asha", "Valid@1", true},
{"asha", "wrong", false}
};
}
@Test(dataProvider = "logins")
public void login(String user, String pass, boolean ok) {
boolean result = loginPage.loginAs(user, pass).isLoggedIn();
Assert.assertEquals(result, ok);
}
24
POST vs PUT vs PATCH?
Show answer
POST creates a resource, PUT replaces the whole resource (idempotent) and PATCH updates part of it.
25
Half of your TestNG tests are skipped in CI with no failure shown. What could cause it?
Show answer
Usually a configuration method failed, such as @BeforeClass or @BeforeSuite throwing an exception, which makes TestNG skip dependent tests. Other causes are dependsOnMethods on a failed test, a group filter excluding setup methods without alwaysRun, or a DataProvider that threw an exception. Check the configuration failures section of the report and the log for the first exception.
26
Write Selenium code to verify that all links on a page are not broken.
Show answer
List<WebElement> links = driver.findElements(By.tagName("a"));
for (WebElement link : links) {
String url = link.getAttribute("href");
if (url == null || !url.startsWith("http")) continue;
HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();
con.setRequestMethod("HEAD");
int code = con.getResponseCode();
if (code >= 400) System.out.println("Broken: " + url + " " + code);
}
27
What is method overriding and where is it useful in frameworks?
Show answer
A subclass redefines a parent method. Frameworks use it to customise base behaviour, such as overriding a wait or click method in a base page class.
28
Should every test in a project be written in Cucumber?
Show answer
No. Cucumber adds a translation layer, so it is worth it for business-facing acceptance tests that stakeholders discuss. Unit tests, low-level API checks, data validations and technical edge cases are faster to write and maintain directly in TestNG or JUnit. A healthy project uses Cucumber for a focused set of key behaviours and plain code tests for everything else.
29
How would you design a framework that supports both web and mobile using POM?
Show answer
Define page interfaces for business actions, such as LoginScreen.loginAs(). Provide web and mobile implementations using Selenium and Appium, chosen by a factory from configuration. Tests depend only on the interfaces. Share test data, config, reporting and API helpers. Accept that some flows differ by platform and keep those in platform-specific tests rather than forcing one abstraction.
30
How do you pass thread count and duration to a JMeter test from the command line?
Show answer
// In the Thread Group fields use property functions with defaults
Number of Threads: ${__P(users,10)}
Ramp-up period: ${__P(rampup,30)}
Duration (seconds): ${__P(duration,300)}
// Then override them when running
jmeter -n -t load.jmx -l out.jtl -Jusers=200 -Jrampup=120 -Jduration=1800
31
How do you read data from Excel or properties files in Java?
Show answer
Use Apache POI for Excel and the Properties class for config files, loaded in a utility class so tests read data instead of hard-coding it.
32
How do you handle authentication types in REST Assured?
Show answer
Basic auth uses auth().preemptive().basic(user, pass). Bearer tokens are set as a header: header("Authorization", "Bearer " + token). OAuth 2.0 can use auth().oauth2(token) after fetching the token from the token endpoint. API keys go in a header or query param. Fetch tokens once per suite or cache them with an expiry check rather than logging in before every test.
33
How do you validate a response against a JSON schema in REST Assured?
Show answer
Add the json-schema-validator dependency, place the schema file in src/test/resources, and assert with then().body(matchesJsonSchemaInClasspath("user-schema.json")). Schema validation checks field types, required fields and structure, so it catches contract changes that value checks might miss. It complements, not replaces, assertions on business values like status or totals.
34
What are Cucumber hooks and how are they different from Background?
Show answer
Hooks are Java methods annotated with @Before, @After, @BeforeStep and @AfterStep that run around scenarios or steps. Background is visible in the feature file and describes business preconditions; hooks are hidden technical setup such as starting the browser, cleaning data or attaching screenshots. Hooks can be ordered with the order attribute and filtered by tag expressions, for example @Before("@ui").
35
What is a DataProvider in TestNG?
Show answer
@DataProvider returns Object[][]; a @Test(dataProvider = "name") method runs once per row — the basis of data-driven tests, often reading Excel or JSON.
36
How do you handle StaleElementReferenceException?
Show answer
Re-locate the element after the DOM refreshes, use explicit waits for the refreshed element, don't keep element references for long, or wrap the action in retry logic.
37
How do you take a screenshot on failure in TestNG?
Show answer
Implement ITestListener.onTestFailure():
File src = ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE);
then copy it into the reports folder.
38
How do you automate a two-factor authentication step in a test environment?
Show answer
Do not try to read SMS from a real phone. Ask developers for a test-only approach: a fixed OTP for test users, a bypass flag in non-production, or an API to fetch the latest OTP. For authenticator apps, store the test account's TOTP secret and generate codes in Java with a TOTP library. Keep production 2FA untouched and secrets in the CI credential store.
39
Write a Dockerfile that runs a Maven and TestNG test suite.
Show answer
FROM maven:3.9-eclipse-temurin-21
WORKDIR /app
# cache dependencies first for faster rebuilds
COPY pom.xml .
RUN mvn -q dependency:go-offline
COPY src ./src
COPY testng.xml .
ENV GRID_URL=http://selenium-hub:4444
CMD ["sh", "-c", "mvn test -Dgrid.url=$GRID_URL -Dsurefire.suiteXmlFiles=testng.xml"]
40
How do you handle environment-specific configuration?
Show answer
Keep URLs and credentials in per-environment config files or variables, choose with a command-line parameter and never hard-code secrets.
Tips to crack the Ola Automation Testing interview
- Prepare marketplace cases on driver supply, rider demand and surge pricing in Indian cities.
- Practise DSA problems on graphs and heaps, which relate to dispatch and route optimisation.
- Read about Ola Maps and Krutrim AI efforts, which are recent technology focus areas for the group.
- Keep a one-minute story ready for every project on your CV: problem, your part, tools, result.
- Practise the hard questions on this page aloud; Ola interviewers usually ask follow-ups on your first answer.
Frequently asked questions
How many rounds are there in the Ola Automation Testing interview?
Candidates usually go through 4 stages: Online coding assessment; Technical round 1 (DSA); Technical round 2 (design or case); Hiring manager round. The exact rounds change with the role, team, location and your experience, so confirm the process with the recruiter.
Which topics should I prepare for the Ola Automation Testing interview?
This practice set leans on TestNG Framework (8), Selenium WebDriver (6), Cucumber and BDD (5), Page Object Model (4). Revise those first, then practise explaining one or two of your own projects end to end, because most Ola interviewers ask you to walk through real work.
Are these the exact questions asked at Ola?
No. These are curated practice questions that match the skills and difficulty usually tested in product interviews like Ola's. They are not a leaked or verified list of past questions.
Where does Ola hire Automation Testing professionals in India?
Ola has large teams in Bengaluru. Openings and locations change often, so check the Ola careers page and filter by city and experience.
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