given-when-then

@Purchase
Feature: User able to send request to purchase product

  Scenario: The product's quantity is keep when the connection is lost
    Given I send request to buy product to the server
    And I disconnect the connection before the server receive the request
    And I get the response about disconnect

  Scenario: The product's quantity is keep when cancel the request
    Given I send request to buy product to the server
    And I send another request to cancel the previous request
    Then I cancel request successful

  Scenario: User send request with negative number
    Given I send request with JSON body [{"productID": 1, "quantity": -2}, {"productID": 2, "quantity": -1}, ...]
    And T get status 400 about negative number and the quantity is not change

  Scenario: Check if the request is [{"productID": 1, "quantity": 2}, {"productID": 1, "quantity": 1}, ...], the database [{"productID": 1, "quantity": 5}]
    Given I sent request with JSON body [{"productID": 1, "quantity": 2}, {"productID": 1, "quantity": 1}, ...]
    Then I get the 400 status and the quantity is not change

  Scenario: Check if the request is [{"productID": 1, "quantity": 2}, {"productID": 1, "quantity": 1}, ...], the database [{"productID": 1, "quantity": 2}]
    Given I sent request with JSON body [{"productID": 1, "quantity": 2}, {"productID": 1, "quantity": 1}, ...]
    Then I get the fail status and the quantity is not change

  Scenario: Test response time of request (request per second, transaction per minute, duration of task
    Given I send request to buy product to the server
    Then I check the response time received from server is under 5 second

  Scenario: Send multiple request for 1 product from 1 client will be blocked
    Given I sent multiple requests from 1 user to 1 product
    And I check that the request will be block if sent in a sort of time

  Scenario: Test the commit, lock of database if there are multiple request are sent from multiple client to update 1 product, the database [{"productID": 1, "quantity": 10}]
    Given I sent 2 requests [{"productID": 1, "quantity": 2}] and [{"productID": 1, "quantity": 5}] at the same time
    And I check that the quantity is updated correctly with remain stocking is [{"productID": 1, "quantity": 3}]

  Scenario: Send 1 request to buy 2 product [{"productID": 1, "quantity": 5}, {"productID": 2, "quantity": 6}]
    Given I send request with JSON body [{"productID": 1, "quantity": 3}, {"productID": 2, "quantity": 2}]
    Then I receive the response with [{"productID": 1, "quantity": 2}, {"productID": 2, "quantity": 4}]

  Scenario: Send request to buy 2 product [{"productID": 1, "quantity": 5}, {"productID": 2, "quantity": 6}]
    Given I send request with JSON body [{"productID": 1, "quantity": 6}, {"productID": 2, "quantity": 2}]
    Then I receive the response with false status and quantity is not change

  Scenario: Send 2 requests to buy 2 product [{"productID": 1, "quantity": 5}, {"productID": 2, "quantity": 6}]
    Given I send request with JSON body [{"productID": 1, "quantity": 2}, {"productID": 2, "quantity": 3}]
    And I send request with JSON body [{"productID": 1, "quantity": 3}, {"productID": 2, "quantity": 1}]
    Then I receive the response with [{"productID": 1, "quantity": 0}, {"productID": 2, "quantity": 2}]

  Scenario: Send 2 request that 1 product is over stock and 1 in stock [{"productID": 1, "quantity": 10}, {"productID": 2, "quantity": 5}]
    Given I send first request with JSON body [{“productID”: 1, “quantity”: 2}, {“productID”: 2, “quantity”: 1}]
    And I send second request with JSON body [{"productID": 1, "quantity": 1}, {"productID": 2, "quantity": 5}]
    Then I check first request is success and second request is fail, the database is [{“productID”: 1, “quantity”: 8}, {“productID”: 2, “quantity”: 4}]

  Scenario: Send 2 request that 1 product is over stock and 1 in stock [{"productID": 1, "quantity": 10}, {"productID": 2, "quantity": 5}]
    Given I send first request with JSON body [{"productID": 1, "quantity": 1}, {"productID": 2, "quantity": 5}]
    And I send second request with JSON body [{“productID”: 1, “quantity”: 2}, {“productID”: 2, “quantity”: 1}]
    Then I check first request is success and second request is fail, the database is [{“productID”: 1, “quantity”: 9}, {“productID”: 2, “quantity”: 0}]