Karate:How to make data initialization only execute once

Question

In this feature file, the @setup Scenario will run twice due to there are two other scenarios outline use it Feature:

@setup Scenario:

def data = [{a: 1}, {a: 2}, {a: 3}] Scenario Outline: row

print 'a: ', a

Examples: | karate.setup().data |

Scenario Outline: test row

print 'test a: ', a

Examples: | karate.setup().data |

how to make the Scenario with @setup only run once?

I want make the Scenario with @setup only run once.

use the once keyword in the Scenario Outline. This keyword can be used to ensure that a particular set of steps is only executed once in a given test run — Bawantha
– Bawantha, Commented Dec 6, 2022 at 9:33

lovelemon · Accepted Answer · 2022-12-09 09:30:27Z

1

in 1.3.1 version Feature:

@setup Scenario:

def fun = function(){ karate.log('function executed'); return [{a: 1}, {a: 2}] }
def data = callonce fun

Scenario Outline:

print 'second:', __row Examples: | karate.setupOnce().data |

answered Dec 9, 2022 at 9:30

lovelemon

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1 Comment

Nagulan S Over a year ago

should karate.setupOnce() be used only within "Examples" section?

Peter Thomas · Accepted Answer · 2022-12-07 05:51:24Z

0

EDIT: after this question, we decided to add the option to karate.setupOnce() that achieves this in a more elegant way: https://github.com/karatelabs/karate/issues/2210

Here is your solution. You can run it and see for yourself.

Feature:

@setup
Scenario:
* def fun = function(){ karate.log('function executed'); return [{a: 1}, {a: 2}] }
* def data = callonce fun

Scenario Outline:
* print 'first:', __row

Examples:
| karate.setup().data |

Scenario Outline:
* print 'second:', __row
    
Examples:
| karate.setup().data |

edited Dec 7, 2022 at 5:51

answered Dec 6, 2022 at 12:53

Peter Thomas

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2 Comments

lovelemon Over a year ago

the @setup still run twice as the picture said.

Peter Thomas Over a year ago

@lovelemon you are right, we can improve this: github.com/karatelabs/karate/issues/2210

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