diff options
author | Joel Kronqvist <joel.h.kronqvist@gmail.com> | 2022-03-05 19:02:27 +0200 |
---|---|---|
committer | Joel Kronqvist <joel.h.kronqvist@gmail.com> | 2022-03-05 19:02:27 +0200 |
commit | 5d309ff52cd399a6b71968a6b9a70c8ac0b98981 (patch) | |
tree | 360f7eb50f956e2367ef38fa1fc6ac7ac5258042 /node_modules/@jest/core/build/testSchedulerHelper.js | |
parent | b500a50f1b97d93c98b36ed9a980f8188d648147 (diff) | |
download | LYLLRuoka-5d309ff52cd399a6b71968a6b9a70c8ac0b98981.tar.gz LYLLRuoka-5d309ff52cd399a6b71968a6b9a70c8ac0b98981.zip |
Added node_modules for the updating to work properly.
Diffstat (limited to 'node_modules/@jest/core/build/testSchedulerHelper.js')
-rw-r--r-- | node_modules/@jest/core/build/testSchedulerHelper.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/node_modules/@jest/core/build/testSchedulerHelper.js b/node_modules/@jest/core/build/testSchedulerHelper.js new file mode 100644 index 0000000..78cf48c --- /dev/null +++ b/node_modules/@jest/core/build/testSchedulerHelper.js @@ -0,0 +1,51 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { + value: true +}); +exports.shouldRunInBand = shouldRunInBand; + +/** + * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ +const SLOW_TEST_TIME = 1000; + +function shouldRunInBand( + tests, + timings, + {detectOpenHandles, maxWorkers, watch, watchAll} +) { + // detectOpenHandles makes no sense without runInBand, because it cannot detect leaks in workers + if (detectOpenHandles) { + return true; + } + /* + * Run in band if we only have one test or one worker available, unless we + * are using the watch mode, in which case the TTY has to be responsive and + * we cannot schedule anything in the main thread. Same logic applies to + * watchAll. + * Also, if we are confident from previous runs that the tests will finish + * quickly we also run in band to reduce the overhead of spawning workers. + * Finally, the user can provide the runInBand argument in the CLI to + * force running in band. + * https://github.com/facebook/jest/blob/700e0dadb85f5dc8ff5dac6c7e98956690049734/packages/jest-config/src/getMaxWorkers.js#L14-L17 + */ + + const isWatchMode = watch || watchAll; + const areFastTests = timings.every(timing => timing < SLOW_TEST_TIME); + const oneWorkerOrLess = maxWorkers <= 1; + const oneTestOrLess = tests.length <= 1; + + if (isWatchMode) { + return oneWorkerOrLess || (oneTestOrLess && areFastTests); + } + + return ( + oneWorkerOrLess || + oneTestOrLess || + (tests.length <= 20 && timings.length > 0 && areFastTests) + ); +} |