How to test a grocery delivery app
Direct answer
Shipped untested, a grocery delivery app advertises free delivery on the first order and adds a mandatory service fee at checkout, and gives a shopper who reports a late delivery a small credit toward the next basket when the guarantee promised a full refund. 8 tests are mandatory here, each tied to a risk in the map below. After the release smoke check, start the risk tests with payment and money-flow testing: a test order with a weighed item and a substitute, delivered after its chilled slot ended, must be refunded in full to the original card when the guarantee promises a refund, not turned into a credit toward the next basket.
8 mandatory testsfirst: payment and money-flow testing
What counts as a grocery delivery app
A grocery delivery app here is a shopper app on iOS, Android and web for filling a basket from store stock, choosing substitutions, booking a delivery slot and paying, with pickers and drivers who see household details. It covers weekly lists, slot booking, fee and membership wording, refund guarantees for late deliveries and doorstep notes. Restaurant orders delivered by couriers and single-merchant stores that ship by post are out of scope.
Adjacent product types not covered here
- online marketplace: An online marketplace pays third-party sellers who ship goods themselves, so seller verification and payout holds replace slot booking and refund guarantees.
- subscription box service: A subscription box service charges a stored card each billing cycle for a fixed box, so renewals charged after cancellation replace refund guarantees on a basket built each time.
- ecommerce store: An ecommerce store ships parcels without a booked slot or a picker in the store aisle, so household details at the door and slot capacity drop out of the map.
Risk map
| Risk | Grade | Note | Evidence | |
|---|---|---|---|---|
| Money leaves or fails to arrive money-loss | money | primary | A shopper who reports a late grocery delivery gets a small credit toward the next basket when the guarantee promised a full refund. | |
| Accessibility complaint or lawsuit accessibility-liability | legal | primary | A blind or low-dexterity shopper who cannot fill a weekly basket or pick a delivery slot brought a Justice Department settlement on an online grocer. | |
| Fine or enforcement by a regulator regulatory-penalty | legal | primary | A free delivery banner on the first grocery order, with a mandatory service fee added at checkout, drew a federal order against a grocery delivery service. | |
| Personal or sensitive data exposed data-breach | data | secondary by design analysis | Saved weekly lists, home addresses, delivery slots and doorstep notes together show when a household is in and how to get to the door. | |
| App rejected or removed by a store store-rejection | distribution | secondary by design analysis | Store review runs a test basket through slot booking and checkout; a crash when every slot is full blocks the release. |
Mandatory tests (8)
Step 1: release smoke tests
Why:store-rejection
Done when: On the release build, a shopper adds a weighed item and an out-of-stock item that offers a substitute, sees a full-slots message instead of a crash when every chilled delivery slot is taken, books an open one and pays with a test card.
Tool class: mobile automation. Who usually runs it: QA engineer.
Step 2: payment and money-flow testing
Why:money-loss
Done when: A test order with a weighed item and a substitute, reported as delivered after its chilled slot ended, is refunded in full to the original test card in the sandbox when the guarantee promises a refund, not paid as a credit toward the next basket.
Tool class: API client. Who usually runs it: QA engineer.
Step 3: compliance checks
Why:regulatory-penaltystore-rejection
Done when: A signed checklist shows that free delivery wording, membership trial terms, consent before renewal and store privacy labels match what the app does.
Tool class: test management. Who usually runs it: product manager.
Step 4: end-to-end functional tests
Done when: On a first order advertised with free delivery, the checkout screen shows every fee before payment and the card charge equals the shown total.
Tool class: browser automation. Who usually runs it: QA engineer.
Step 5: accessibility testing
Done when: A screen reader user and a keyboard-only user each fill a basket, choose substitutions, book a slot and pay without help on web and app.
Tool class: accessibility checker. Who usually runs it: accessibility specialist.
Step 6: security scanning
Why:data-breach
Done when: The scan report for the apps and API lists no open high-severity finding, and one shopper cannot read another household's address, delivery slot or doorstep notes with their own sign-in.
Tool class: DAST scanner. Who usually runs it: security specialist.
Step 7: penetration testing
Why:data-breach
Done when: The tester's report states they could not read another household's address, doorstep notes or order history from a shopper or picker account.
Tool class: proxy. Who usually runs it: security specialist.
Step 8: device and browser compatibility
Why:store-rejection
Done when: Basket, slot booking and checkout complete on the oldest and newest supported iOS and Android versions, including when every slot is full.
Tool class: device cloud. Who usually runs it: QA engineer.
Recommended and optional tests
integration testsrecommended
Becomes mandatory when store stock comes from a partner retailer's system.
performance and load testingrecommended
Becomes mandatory when shoppers cannot load slots or pay while a new week of delivery slots opens.
data integrity and migration testingrecommended
Becomes mandatory when shoppers are charged the wrong amount for items priced by weight or for substitutes.
resilience and failure testingrecommended
Becomes mandatory when a payment or maps provider outage stops shoppers from booking or paying.
offline and poor-network testingrecommended
Becomes mandatory when lost picks or duplicate substitutions are reported.
unit testsoptional
May help when fees vary by basket size or region.
regression suiteoptional
May help keep fee wording and refund fixes from regressing.
exploratory testingoptional
May help find basket and slot states the scripted cases miss.
Not needed and why
Not needed: fee disclosure is covered by the end-to-end and compliance tests. Becomes recommended when slot booking abandonment data points to confusion.
Not needed: the app runs in one language and currency. Becomes recommended when a second country or language launches.
analytics and event tracking tests
Not needed: charges and refunds come from the order ledger, not analytics events. Becomes recommended when analytics drive slot pricing.
Order of work
First release
- release smoke tests: On the store build, add a weighed item and an out-of-stock item that offers a substitute, confirm a full-slots message instead of a crash when every chilled delivery slot is taken, then book an open slot and pay with a test card.
- payment and money-flow testing: Report a test order with a weighed item and a substitute as delivered after its chilled slot ended, and confirm the sandbox shows a full refund to the original test card, not a credit toward the next basket, when the guarantee promises a refund.
- compliance checks: Compare free delivery wording, membership trial terms, consent before renewal and the store privacy labels with what the app does, and sign the checklist.
- end-to-end functional tests: Place a first order advertised with free delivery and confirm every fee shows before payment and the card charge equals the shown total.
- accessibility testing: Have a screen reader user and a keyboard-only user each fill a basket, choose substitutions, book a slot and pay on web and app.
- security scanning: Scan the apps and API, and try to read another household's address, delivery slot and doorstep notes while signed in as a different shopper.
- penetration testing: Have a tester use shopper and picker accounts to try to read another household's address, doorstep notes and order history.
- device and browser compatibility: Run basket, slot booking and checkout on the oldest and newest supported iOS and Android versions, including the case where every slot is full.
Ongoing cadence
- release smoke tests: On every store build before submission.
- end-to-end functional tests: Before each promotion or free delivery offer goes live.
- compliance checks: After each change to membership terms, fee wording or data collected by the apps.
- payment and money-flow testing: After each change to the refund guarantee or credit rules.
- accessibility testing: After each change to basket, substitution or slot booking screens.
- integration tests: When a partner retailer's stock system starts feeding the app.
- performance and load testing: When shoppers cannot load slots or pay while a new week of delivery slots opens.
Tools
Listed alphabetically inside each test type, filtered to the tests above and to the platforms of grocery delivery app (ios, android, web). Not recommendations.
release smoke tests
- Firebase Test LabRuns app tests on hosted devices. iosandroidfreemium
- TestRailTest case and run management. webiosandroidapicommercial
- XrayTest management inside Jira. webiosandroidapicommercial
payment and money-flow testing
- Adyen test environmentTest cards and scenarios for Adyen integrations. webapiiosandroidcommercial
- Stripe test modeTest cards and scenarios for Stripe integrations. webapiiosandroidfreemium
end-to-end functional tests
- AppiumCross-platform mobile UI automation over WebDriver. iosandroidopen-source
- ApplitoolsVisual comparison of screens across builds. webiosandroidcommercial
- BrowserStackCloud of real devices and browsers. webiosandroidcommercial
- CypressBrowser-based end-to-end testing with a visual runner. webfreemium
- DetoxGray-box end-to-end testing for React Native apps. iosandroidopen-source
- EspressoAndroid UI testing framework from Google. androidopen-source
- LambdaTestCloud browser and device grid. webiosandroidcommercial
- MaestroMobile UI flows written in YAML. iosandroidfreemium
- PercyVisual review of UI changes. webcommercial
- PlaywrightBrowser automation for Chromium, Firefox and WebKit. webopen-source
- PromptfooEvaluation and regression tests for LLM prompts and outputs. apiwebopen-source
- Sauce LabsCloud test infrastructure for web and mobile. webiosandroidcommercial
- SeleniumWebDriver-based browser automation. webopen-source
- XCTestApple's framework for unit and UI tests. iosopen-source
accessibility testing
- Accessibility ScannerGoogle's on-device accessibility checker for Android. androidopen-source
- axe-coreAccessibility rules engine for automated checks. webopen-source
- LighthouseAudits for accessibility and performance in Chrome. webopen-source
- Pa11yCommand-line accessibility testing. webopen-source
security scanning
- Burp SuiteProxy and scanner for web application security testing. webapifreemium
- mitmproxyInteractive HTTPS proxy. iosandroidwebapiopen-source
- MobSFStatic and dynamic analysis for mobile binaries. iosandroidopen-source
- OWASP ZAPDynamic application security scanner. webapiopen-source
- SemgrepStatic analysis with custom rules. apiwebiosandroidfreemium
- SnykDependency and code vulnerability scanning. apiwebiosandroidfreemium
penetration testing
- Burp SuiteProxy and scanner for web application security testing. webapifreemium
device and browser compatibility
- AppiumCross-platform mobile UI automation over WebDriver. iosandroidopen-source
- ApplitoolsVisual comparison of screens across builds. webiosandroidcommercial
- BrowserStackCloud of real devices and browsers. webiosandroidcommercial
- Firebase Test LabRuns app tests on hosted devices. iosandroidfreemium
- LambdaTestCloud browser and device grid. webiosandroidcommercial
- PercyVisual review of UI changes. webcommercial
- PlaywrightBrowser automation for Chromium, Firefox and WebKit. webopen-source
- Sauce LabsCloud test infrastructure for web and mobile. webiosandroidcommercial
- SeleniumWebDriver-based browser automation. webopen-source
integration tests
- Charles ProxyHTTP proxy for inspecting and throttling traffic. iosandroidwebcommercial
- JestJavaScript test runner with mocking and snapshots. webapiopen-source
- JUnitTest framework for the JVM. apiandroidopen-source
- VitestTest runner for Vite-based JavaScript and TypeScript projects. webapiopen-source
- XCTestApple's framework for unit and UI tests. iosopen-source
performance and load testing
- ArtilleryLoad testing with YAML scenarios. apiwebfreemium
- GatlingLoad testing with Scala, Java or Kotlin scenarios. apiwebfreemium
- JMeterLoad testing tool from the Apache Foundation. apiwebopen-source
- k6Load testing scripted in JavaScript. apiwebopen-source
- LighthouseAudits for accessibility and performance in Chrome. webopen-source
- LocustLoad testing scripted in Python. apiwebopen-source
offline and poor-network testing
- Charles ProxyHTTP proxy for inspecting and throttling traffic. iosandroidwebcommercial
- mitmproxyInteractive HTTPS proxy. iosandroidwebapiopen-source
- Network Link ConditionerApple tool for simulating poor network conditions. iosopen-source
What to send to the person who will test
Send the checklist and the brief below. The printable checklist for grocery delivery app has the same 8 items with checkboxes.
Download the checklistMarkdownCSVBrief (Markdown)
Acceptance criteria wording
A release of the grocery delivery app is accepted when a first order advertised with free delivery shows every fee before payment and the card charge equals the shown total. A test order delivered after its chilled slot ended is refunded in full to the original card, not credited toward the next basket, when the guarantee promises a refund. A screen reader user and a keyboard-only user can each fill a basket, choose substitutions, book a slot and pay.
Brief
# Test brief: grocery delivery app Product type: grocery delivery app. Grocery ordering with substitutions, slots and cold chain. Risk map and evidence: https://howtotestaproduct.com/how-to-test/grocery-delivery/ Printable checklist: https://howtotestaproduct.com/checklists/grocery-delivery/ Run these 8 mandatory tests in this order. A test is done only when its done condition is true on the build you will release. 1. release smoke tests (risks: store-rejection). Tool class: mobile automation. Usually run by: QA engineer. Done when: On the release build, a shopper adds a weighed item and an out-of-stock item that offers a substitute, sees a full-slots message instead of a crash when every chilled delivery slot is taken, books an open one and pays with a test card. 2. payment and money-flow testing (risks: money-loss). Tool class: API client. Usually run by: QA engineer. Done when: A test order with a weighed item and a substitute, reported as delivered after its chilled slot ended, is refunded in full to the original test card in the sandbox when the guarantee promises a refund, not paid as a credit toward the next basket. 3. compliance checks (risks: regulatory-penalty, store-rejection). Tool class: test management. Usually run by: product manager. Done when: A signed checklist shows that free delivery wording, membership trial terms, consent before renewal and store privacy labels match what the app does. 4. end-to-end functional tests (risks: regulatory-penalty). Tool class: browser automation. Usually run by: QA engineer. Done when: On a first order advertised with free delivery, the checkout screen shows every fee before payment and the card charge equals the shown total. 5. accessibility testing (risks: accessibility-liability). Tool class: accessibility checker. Usually run by: accessibility specialist. Done when: A screen reader user and a keyboard-only user each fill a basket, choose substitutions, book a slot and pay without help on web and app. 6. security scanning (risks: data-breach). Tool class: DAST scanner. Usually run by: security specialist. Done when: The scan report for the apps and API lists no open high-severity finding, and one shopper cannot read another household's address, delivery slot or doorstep notes with their own sign-in. 7. penetration testing (risks: data-breach). Tool class: proxy. Usually run by: security specialist. Done when: The tester's report states they could not read another household's address, doorstep notes or order history from a shopper or picker account. 8. device and browser compatibility (risks: store-rejection). Tool class: device cloud. Usually run by: QA engineer. Done when: Basket, slot booking and checkout complete on the oldest and newest supported iOS and Android versions, including when every slot is full. Acceptance criteria wording: A release of the grocery delivery app is accepted when a first order advertised with free delivery shows every fee before payment and the card charge equals the shown total. A test order delivered after its chilled slot ended is refunded in full to the original card, not credited toward the next basket, when the guarantee promises a refund. A screen reader user and a keyboard-only user can each fill a basket, choose substitutions, book a slot and pay. Report back for each test: pass or fail against its done condition, the build or version tested, and the proof (screenshot, log line or report file). Licence: CC BY 4.0.
For founders: what to forward and what to ask back. For product managers: turning this page into tickets.
Questions about testing a grocery delivery app
What testing does a grocery delivery app need?
8 tests are mandatory, starting with a release smoke test of weighed items, substitutes, full chilled slots and checkout, then payment tests of refunds for orders delivered after their slot. Each is tied to one of the 5 risks in the map, such as a credit given where a full refund was promised or a basket a screen reader user cannot fill. Integration, performance, data integrity, resilience and offline tests are recommended, each with the event that makes it mandatory.
What gets a grocery delivery app rejected by an app store?
The map marks store rejection as a by design analysis risk: store review runs a test basket through slot booking and checkout, and a crash when every slot is full blocks the release. The release smoke test checks the full-slots message and books an open chilled slot on every store build, and compatibility tests run basket, slot booking and checkout on the oldest and newest supported iOS and Android versions.
What does GDPR mean for testing a grocery delivery app?
The map cites the General Data Protection Regulation for the data breach risk. Saved weekly lists, home addresses, delivery slots and doorstep notes together show when a household is in, so penetration testing checks that a shopper or picker account cannot read another household's address, doorstep notes or order history.
How should checkout be tested in a grocery delivery app?
Place a first order advertised with free delivery and confirm every fee shows before payment and the card charge equals the shown total. Then report a test order with a weighed item and a substitute as delivered after its chilled slot ended, and confirm a full refund reaches the original card in the sandbox when the guarantee promises one. A screen reader user and a keyboard-only user then complete the same checkout.
Which tests in a vendor test plan for a grocery delivery app are not needed?
Usability testing is not needed while fee disclosure is covered by end-to-end and compliance tests, until slot booking abandonment data points to confusion. Localization is not needed while the app runs in one language and currency, until a second country or language launches. Analytics tracking is not needed until analytics drive slot pricing.
Evidence
ev-0089regulatorprimary
Instacart to Pay [amount] in Consumer Refunds to Settle FTC Lawsuit Over Allegations it Engaged in Deceptive Tactics, Federal Trade Commission
Consumers who experience late deliveries or unprofessional service typically are not offered full refunds and instead are given only a small credit that can be used toward a future order.
Federal settlement with a grocery delivery service over a free delivery claim with undisclosed mandatory service fees, a satisfaction guarantee that paid credits instead of refunds, and membership charges after free trials without consent. Supports regulatory-penalty and money-loss for a grocery delivery app.
published 2025-12-18 · verified 2026-10-07
ev-0016standardprimary
Web Content Accessibility Guidelines (WCAG) 2.2, W3C
WCAG 2.2 is the W3C standard that accessibility law and procurement rules reference; level AA is the usual target.
published undated · verified 2026-10-07
ev-0090regulatorprimary
Justice Department Reaches Settlement Agreement with Peapod Online Grocery Shopping and Delivery Service, Minnesota State Council on Disability (republishing the U.S. Department of Justice announcement)
Department of Justice settlement requiring an online grocery delivery service to make its website and mobile apps conform to WCAG 2.0 AA after allegations that blind, deaf and low-dexterity shoppers could not use it. Supports accessibility-liability for a grocery delivery app.
published 2014-11-17 · verified 2026-10-07
ev-0012standardprimary
OWASP API Security Top 10 2023, OWASP Foundation
The API Security Top 10 names API-specific failures such as broken object level authorization and unrestricted resource consumption.
published undated · verified 2026-10-07
ev-0025regulatorprimary
Regulation (EU) 2016/679 (General Data Protection Regulation), EUR-Lex, European Union
The GDPR sets lawful basis, consent, data subject rights, security of processing (Article 32) and breach notification duties for anyone processing personal data of people in the EU.
published undated · verified 2026-10-07
ev-0001store-guidelineprimary
App Review Guidelines, Apple
Apple reviews every iOS, iPadOS and macOS App Store submission against these guidelines, including crashes and bugs at review, privacy disclosures, in-app purchase rules and extra rules for medical, financial and kids apps, and apps with user-generated content must let users report offensive content and block abusive users (guideline 1.2), and apps offering loot boxes or similar mechanisms must disclose the odds of each item type before purchase (guideline 3.1.1).
published undated · verified 2026-10-07
ev-0002store-guidelineprimary
Developer Program Policy, Google Play
Google Play applies these policies to every Android app it distributes and can reject, suspend or remove apps that violate them.
published undated · verified 2026-10-07
Disclaimer
This page lists tests and risks for a product category, not for your product. Risks are attached only with the evidence shown in the Evidence section. Tools are listed alphabetically and are not recommendations. Nothing here is legal, regulatory or security advice; where a regulator or a store sets a requirement, their page is linked and takes precedence.