testarmada-magellan-early-bail-strategy v1.0.0

Magellan-Early-Bail-Strategy

Strategy for Magellan to stop a test suite if test failure ratio exceeds a threshold within a given period.

Important Notes About Versions

Important: testarmada-magellan-early-bail-strategy is only supported by Magellan version 10.0.0 or higher.

What does this executor do

1. It works as a Magellan strategy to help Magellan make decision when to do what
2. It tells Magellan when to stop a test suite
3. It tells Magellan when to stop a test

How To Use

Please follow the following steps:

1. npm install testarmada-magellan-early-bail-strategy --save

2. Add following line to your magellan.json (if there isn't a magellan.json please create one under your folder root):

   "strategy_bail": "testarmada-magellan-early-bail-strategy"

3. Or, instead of adding above line in magellan.json, add following argument in your command line

   --strategy_bail testarmada-magellan-early-bail-strategy

4. ./node_modules/.bin/magellan --help to see if you can see the following content printed out

    Strategy-specific (testarmada-magellan-early-bail-strategy)
     --early_bail_threshold=0.1           Ratio of tests that need to fail before we abandon the build
     --early_bail_min_attempts=10         Minimum number of tests that need to run before we apply the bail strategy

Congratulations, you're all set.

Example

To enable this strategy with default threshold

$ ./node_modules/.bin/magellan --strategy_bail testarmada-magellan-early-bail-strategy --test xxx

To enable this strategy with customized threshold

$ ./node_modules/.bin/magellan --strategy_bail testarmada-magellan-early-bail-strategy --early_bail_threshold 0.5 --early_bail_min_attempts 5 --test xxx