Saritha Palanivelu

Apr 9, 20219 min

Behaviour Driven Development(BDD) with Example

Behaviour Driven Development is an evolution of TDD. Behaviour Driven Development(BDD) is an software development methodology where real time application behaviour are written by product owner and user followed by development and testing is known as feature file.

In BDD, Gherkin is a natural language which used to narrate scenarios as a feature file using below keywords:

Given - Context / Staring state

When - event / what user does

Then- outcome / expected result

Below Example Feature File with 50 Scenarios


 

 
Feature: Transactions @ checkout counter
 

 

 
Scenario 1: Using Master Credit card chip
 
Given: You are asked to Pay for billing at checkout
 
When: Insert your Master chip card into the chip enabled reader on the terminal
 
Then: Remove the card once terminal indicates that the transaction is complete.
 

 
Scenario 2: Using Master Credit card swipe function
 
Given: You are asked to Pay for billing at checkout
 
When: Swipe your master credit card magnetic stripe on the swiping terminal
 
Then: Terminal indicates that the transaction is approved.
 

 
Scenario 3: Using Master Credit card tap function
 
Given: You are asked to Pay for billing at checkout
 
When: Tap your Master card look for the contactless symbol (four curved lines )should appear on the terminal
 
Then: Purchase is approved, you’ll receive confirmation typically a beep, green light or check mark.
 

 
Scenario 4: Using Visa Credit card chip
 
Given: You are asked to Pay for billing at checkout
 
When: Insert your Visa chip card into the chip enabled reader on the terminal
 
Then: Remove the card once terminal indicates that the transaction is complete.
 

 
Scenario 5: Using Visa Credit card swipe function
 
Given: You are asked to Pay for billing at checkout
 
When: Swipe your Visa credit card magnetic stripe on the swiping terminal
 
Then: Terminal indicates that the transaction is approved.
 

 
Scenario 6: Using Visa Credit card tap function
 
Given: You are asked to Pay for billing at checkout
 
When: Tap your Visa card look for the contactless symbol (four curved lines) should appear on the terminal
 
Then: Purchase is approved, you’ll receive confirmation typically a beep, green light or check mark.
 

 
Scenario 7: Using Amex Credit card chip
 
Given: You are asked to Pay for billing at checkout
 
When: Insert your Amex chip card into the chip enabled reader on the terminal
 
Then: Remove the card once terminal indicates that the transaction is complete
 

 
Scenario 8: Using Amex Credit card swipe function
 
Given: You are asked to Pay for billing at checkout
 
When: Swipe your Amex credit card magnetic stripe on the swiping terminal
 
Then: Terminal indicates that the transaction is approved.
 

 
Scenario 9: Using Amex Credit card tap function
 
Given: You are asked to Pay for billing at checkout
 
When: Tap your Amex card look for the contactless symbol (four curved lines) should appear on the terminal
 
Then: Purchase is approved, you’ll receive confirmation as a beep or green light or check mark.
 

 
Scenario 10: Credit card Limit Exceed
 
Given: You are asked to Pay for billing at checkout
 
When: Used your credit card at the terminal got message Credit Limit Exceed
 
Then: Transaction not approved
 

 
Scenario 11: Using Debit card chip
 
Given: You are asked to Pay for billing at checkout
 
When: Insert your Debit chip card into the chip enabled reader on the terminal, Enter the Debit Pin
 
Then: Remove the card once terminal indicates that the transaction is complete
 

 
Scenario 12: Using Debit card swipe function
 
Given: You are asked to Pay for billing at checkout
 
When: Swipe your Debit credit card magnetic stripe on the swiping terminal, Enter the Debit Pin
 
Then: Transaction is approved
 

 
Scenario 13: Using Debit card tap function
 
Given: You are asked to Pay for billing at checkout
 
When: Tap your debit card look for the contactless symbol (four curved lines )should appear on the terminal
 
Then: Purchase is approved, you’ll receive confirmation as a beep or green light or check mark.
 

 
Scenario 14: Debit with insufficient funds
 
Given: You are asked to Pay for billing at checkout
 
When: You attempted a transaction that failed with the error "Insufficient funds"
 
Then: Transaction is approved
 

 
Scenario 15: Debit with invalid pin
 
Given: You are asked to Pay for billing at checkout
 
When: Used your Debit card with Incorrect Pin at the terminal got message “Debit card Declined”
 
Then: Transaction not Approved
 

 
Scenario 16 : Google pay with credit card or debit card
 
Given: You are asked to Pay for billing at checkout
 
When: Store payment terminal accepts GPay , unlock and get your phone close to the payment terminal
 
Then: Purchase is approved, you’ll receive confirmation as a beep or green light or check mark.
 

 
Scenario 17: Using Paypal
 
Given: You are asked to Pay for billing at checkout
 
When: Scan Paypal QR code at the checkout counter, enter the amount need to pay after that select pay now
 
Then: Purchase is approved
 

 
Scenario 18: Accept Personal check
 
Given: You are asked to Pay for billing at checkout
 
When: You provide your check, Cashiers insert checks into a scanner or enter the information manually on the screen
 
Then: Purchase is approved
 

 
Scenario 19: Apple pay with debit card or Credit card.
 
Given: You are asked to Pay for billing at checkout
 
When: Store payment terminal accepts Apple Pay, unlock and get your iPhone close to the payment terminal if required enter pin or fingerprint.
 
Then: Purchase is approved
 

 
Scenario 20: Accept Cash
 
Given: You are asked to Pay for billing at checkout
 
When: Use bills or coins to pay the recipient from the cashier at checkout counter
 
Then: Purchase is approved
 

 
Scenario 21: Bill below $5 accept only cash
 
Given: You are asked to Pay the bill which is below $5 at checkout
 
When: Use bills or coins to pay the recipient from the cashier at checkout counter
 
Then: Purchase is approved
 

 
Scenario 22: Using Store Gift Card with Enough balance
 
Given: You are asked to Pay the bill at checkout
 
When: Use the same store gift card which has balance more than the bill amount
 
Then: Transaction approved
 

 
Scenario 23: Using Store Gift Card with low balance
 
Given: You are asked to Pay the bill at checkout
 
When: Use the same store gift card which has balance lower than the bill for remaining amount pay by Credit card/ Debit card/ Cash
 
Then: Transaction Approved
 

 
Scenario 24: Using Store Gift Card with no balance
 
Given: You are asked to Pay the bill at checkout
 
When: Use the same store gift card which has no balance
 
Then: Transaction Declined
 

 
Scenario 25: Using different store Gift Card
 
Given: You are asked to Pay the bill at checkout
 
When: Use the different store gift card got message” Card not accepted”
 
Then: Transaction Declined
 

 
Scenario 26: Using Expired Debit/Credit card
 
Given: You are asked to Pay the bill at checkout
 
When: Use the expired debit/ credit card got message “ Card Declined”
 
Then: Transaction not approved
 

 
Scenario 27: Return the product and get cash back to the Credit/Debit chip card
 
Given: You are at the checkout counter to return the product with receipt
 
When: Insert your Credit/Debit chip card into the chip enabled reader on the terminal
 
Then: Cashier issue refund to inserted card for the product
 

 
Scenario 28: Return the product and get cash back to the Credit/Debit swipe card
 
Given: You are at the checkout counter to return the product with receipt
 
When: Swipe your debit/credit card magnetic stripe on the swiping terminal
 
Then: Cashier issue refund to swiped card for the product
 

 
Scenario 29: Return the product and get cash
 
Given: You are at the checkout counter to return the product with receipt
 
When: you like get the refund by cash
 
Then: Cashier will give back the money by bills and coins for the product
 

 
Scenario 30: Exchange for a more expensive item pay remaining money from CC/DC chip
 
Given: You are at the checkout counter to exchange the item with another item cost more
 
When: Pay remaining money by Insert your Credit/Debit chip card into the chip enabled reader on the terminal
 
Then: Transaction approved
 

 
Scenario 31: Exchange for a more expensive item pay remaining money from CC/DC Swipe
 
Given: You are at the checkout counter to exchange the item with another item cost more
 
When: Pay remaining money by Swipe your debit/credit card magnetic stripe on the swiping terminal
 
Then: Transaction approved
 

 
Scenario 32: Exchange for a more expensive item pay remaining money by cash
 
Given: You are at the checkout counter to exchange the item with another item cost more
 
When: Pay remaining money by bills and coins
 
Then: Cashier will give back approved transaction receipt
 

 
Scenario 33: Exchange for a more expensive item pay remaining money from gift card
 
Given: You are at the checkout counter to exchange the item with another item cost more
 
When: Pay with your store gift card with enough balance.
 
Then: Transaction Approved
 

 
Scenario 34: Exchange less cost product receive remaining money from CC/DC chip
 
Given: You are at the checkout counter to exchange less cost product
 
When: Get your refund by Insert your Credit/Debit chip card into the chip enabled reader on the terminal
 
Then: Purchase Approved
 

 
Scenario 35: Exchange less cost product receive remaining money from CC/DC Swipe
 
Given: You are at the checkout counter to exchange less cost product
 
When: Get your refund by Swipe your debit/credit card magnetic stripe on the swiping terminal
 
Then: Transaction Approved
 

 
Scenario 36: Exchange less cost product receive remaining money to store gift card
 
Given: You are at the checkout counter to exchange less cost product
 
When: Get your refund to your store gift card.
 
Then: Transaction Approved
 

 
Scenario 36: Exchange less cost product receive remaining money by cash
 
Given: You are at the checkout counter to exchange less cost product
 
When: when you like to receive the money as bills and coins
 
Then: Transaction Approved
 

 
Scenario 37: Get cash back of $5
 
Given: You are at the checkout counter to pay your bill using debit card
 
When: Payment terminal ask for cash back and give you options, Select $5
 
Then: Transaction approved, Cashier will give you $5 bill or Coins
 

 
Scenario 38: Get cash back of $10
 
Given: You are at the checkout counter to pay your bill using debit card
 
When: Payment terminal ask for cash back and give you options, Select $10
 
Then: Transaction approved, Cashier will give you $10 bill or Coins
 

 
Scenario 39: Get cash back of selected amount
 
Given: You are at the checkout counter to pay your bill using debit card
 
When: Payment terminal ask for cash back and give you options, Select other and enter $20 in the payment terminal
 
Then: Transaction approved, Cashier will give you $20 bill or Coins
 

 
Scenario 40: Get cash back more than maximum amount
 
Given: You are at the checkout counter to pay your bill using debit card
 
When: Payment terminal ask for cash back and give you options, Select other and enter $100 in the payment terminal
 
Then: Transaction declined
 

 
Scenario 41: Skip cash back
 
Given: You are at the checkout counter to pay your bill using debit card
 
When: Payment terminal ask for cash back and give you options, Select “Skip”
 
Then: Transaction Approved
 

 
Scenario 42: Accept phone number as Reward card
 
Given: You are at the checkout counter to pay your bill
 
When: You have reward card linked to your phone number, enter your phone number at the payment terminal
 
Then: Transaction approved, card accepted, Reward points for this purchase added to your account
 

 
Scenario 43: Card doesn’t exist.
 
Given: You are at the checkout counter to pay your bill
 
When: You have reward card linked to your phone number, entered non registered phone number at the payment terminal
 
Then: Reward card doesn’t exist.
 

 
Scenario 44: Accept QR Code from store app as reward card
 
Given: You are at the checkout counter to pay your bill
 
When: You have membership as QR code in your mobile, scan your QR code in the terminal
 
Then: Membership accepted, Reward points for this purchase added to your account
 

 
Scenario 45: Swipe Reward card
 
Given: You are at the checkout counter to pay your bill
 
When: You have reward card, swipe reward card
 
Then: Reward card accepted, Reward points for this purchase added to your account
 

 

 
Scenario 46: Redeem reward point as gift card
 
Given: You are at the checkout counter to pay your bill
 
When: scan your reward card get gift card from cashier
 
Then: Transaction Approved
 

 
Scenario 46: Redeem reward point as cash
 
Given: You are at the checkout counter to pay your bill
 
When: Scan your reward card get Bills or coins from cashier
 
Then: Transaction Approved
 

 
Scenario 47: Accept printed/digital coupon.
 
Given: You are at the checkout counter to pay your bill
 
When: Scan your printed/ digital coupon
 
Then: Coupon Accepted, discount applied to your purchase
 

 
Scenario 48: Expired Coupon
 
Given: You are at the checkout counter to pay your bill
 
When: Scan your expired printed/ digital coupon
 
Then: Expired coupon not accepted
 

 
Scenario 49: Reload balance to your store card
 
Given: You are at the checkout counter
 
When: Insert your store card at the terminal and give cash that you want added to your card to the cashier
 
Then: Store card reloaded successfully.
 

 
Scenario 50: Price Match
 
Given: You are at the checkout counter
 
When: You want to ask cashier for price match the product from their competitor web store, if accepted.
 
Then: Price Matched Approved
 

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