BUILD THE RIGHT THING @konrad_126

CAN YOU BUILD THIS? SURE!

HMM... !? HERE YOU GO

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BEHAVIOUR DRIVEN DEVELOPMENT

IT'S USING EXAMPLES TO TALK THROUGH HOW AN APPLICATION BEHAVES... AND HAVING CONVERSATIONS ABOUT THOSE EXAMPLES. DAN NORTH

IT'S USING EXAMPLES TO TALK THROUGH HOW AN APPLICATION BEHAVES... AND HAVING CONVERSATIONS ABOUT THOSE EXAMPLES. DAN NORTH

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USER STORY WORKING SOFTWARE BEHAVIOUR DRIVEN DEVELOPMENT

DISCOVERY

DISCOVERY FORMULATION

DISCOVERY FORMULATION AUTOMATION

THE HARDEST SINGLE PART OF BUILDING A SOFTWARE SYSTEM IS DECIDING PRECISELY WHAT TO BUILD. FRED BROOKS DISCOVERY

DISCOVERY

DISCOVERY

FORMULATION

AUTOMATION

BEHAT

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Feature: Real time update of Parking Lot occupancy In order to have accurate availability value for a parking lot, occupancy must be updated every time a driver enters a parking lot Scenario: Entering with First Come First Serve access type Given "Brussels Nord" parking lot has 53 available spots When a car enters "Brussels Nord" parking lot using "FCFS" access Then there are 52 available spots in "Brussels Nord" parking lot 1 2 3 4 5 6 7 8

Given "Brussels Nord" parking lot has 53 available spots 1 When a car enters "Brussels Nord" parking lot using "FCFS" access 2 Then there are 52 available spots in "Brussels Nord" parking lot 3 /** * @Given :arg1 parking lot has :arg2 available spots * @param mixed $arg1 * @param mixed $arg2 */ public function parkingLotHasAvailableSpots($arg1, $arg2) { throw new PendingException(); } 1 2 3 4 5 6 7 8 9

Given "Brussels Nord" parking lot has 53 available spots 1 When a car enters "Brussels Nord" parking lot using "FCFS" access 2 Then there are 52 available spots in "Brussels Nord" parking lot 3 /** * @Given :arg1 parking lot has :arg2 available spots * @param mixed $arg1 * @param mixed $arg2 */ public function parkingLotHasAvailableSpots($arg1, $arg2) { $parkingLot = new ParkingLot($arg1,$arg2); $this->parkingLots->save($parkingLot); } 1 2 3 4 5 6 7 8 9 10

When a car enters "Brussels Nord" parking lot using "FCFS" access Given "Brussels Nord" parking lot has 53 available spots 1 2 Then there are 52 available spots in "Brussels Nord" parking lot 3 /** * @When a car enters :arg1 parking lot using :arg2 access */ public function aCarEntersParkingLotUsingAccess($arg1, $arg2) { throw new PendingException(); } 1 2 3 4 5 6 7

When a car enters "Brussels Nord" parking lot using "FCFS" access Given "Brussels Nord" parking lot has 53 available spots 1 2 Then there are 52 available spots in "Brussels Nord" parking lot 3 /** * @When a car enters :arg1 parking lot using :arg2 access */ public function aCarEntersParkingLotUsingAccess($arg1, $arg2) { $this->bus->dispatch(new EnterParkingLot($arg1,$arg2))); } 1 2 3 4 5 6 7

Then there are 52 available spots in "Brussels Nord" parking lot Given "Brussels Nord" parking lot has 53 available spots 1 When a car enters "Brussels Nord" parking lot using "FCFS" access 2 3 /** * @Then there are :arg2 available spots in :arg1 parking lot */ public function thereAreAvailableSpotsInParkingLot2($arg1, $arg2) { throw new PendingException(); } 1 2 3 4 5 6 7

Then there are 52 available spots in "Brussels Nord" parking lot Given "Brussels Nord" parking lot has 53 available spots 1 When a car enters "Brussels Nord" parking lot using "FCFS" access 2 3 /** * @Then there are :arg2 available spots in :arg1 parking lot */ public function thereAreAvailableSpotsInParkingLot($arg1, $arg2) { $parkingLot = $this->parkingLots->findByName($arg2); Assert::equals($arg1, $parkingLot->capacity()); } 1 2 3 4 5 6 7 8

WHAT?

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USER INTERFACE BUSINESS LOGIC

USER INTERFACE BUSINESS LOGIC

WHY?

EARLY LEARNING/FEEDBACK SHARED UNDERSTANDING LIVING DOCUMENTATION LESS RE-WORK

THANK YOU @konrad_126