wallet-core/node_modules/ava/lib/main.js
2017-12-27 19:34:16 +01:00

106 lines
2.3 KiB
JavaScript

'use strict';
const worker = require('./test-worker');
const adapter = require('./process-adapter');
const serializeError = require('./serialize-error');
const globals = require('./globals');
const Runner = require('./runner');
const opts = globals.options;
const runner = new Runner({
bail: opts.failFast,
failWithoutAssertions: opts.failWithoutAssertions,
file: opts.file,
match: opts.match,
projectDir: opts.projectDir,
serial: opts.serial,
updateSnapshots: opts.updateSnapshots,
snapshotDir: opts.snapshotDir
});
worker.setRunner(runner);
// If fail-fast is enabled, use this variable to detect
// that no more tests should be logged
let isFailed = false;
Error.stackTraceLimit = Infinity;
function test(props) {
if (isFailed) {
return;
}
const hasError = typeof props.error !== 'undefined';
// Don't display anything if it's a passed hook
if (!hasError && props.type !== 'test') {
return;
}
if (hasError) {
props.error = serializeError(props.error);
} else {
props.error = null;
}
adapter.send('test', props);
if (hasError && opts.failFast) {
isFailed = true;
exit();
}
}
function exit() {
// Reference the IPC channel now that tests have finished running.
adapter.ipcChannel.ref();
const stats = runner.buildStats();
adapter.send('results', {stats});
}
globals.setImmediate(() => {
const hasExclusive = runner.tests.hasExclusive;
const numberOfTests = runner.tests.testCount;
if (numberOfTests === 0) {
adapter.send('no-tests', {avaRequired: true});
return;
}
adapter.send('stats', {
testCount: numberOfTests,
hasExclusive
});
runner.on('test', test);
process.on('ava-run', options => {
// Unreference the IPC channel. This stops it from keeping the event loop
// busy, which means the `beforeExit` event can be used to detect when tests
// stall.
adapter.ipcChannel.unref();
runner.run(options)
.then(() => {
runner.saveSnapshotState();
return exit();
})
.catch(err => {
process.emit('uncaughtException', err);
});
});
process.on('ava-init-exit', () => {
exit();
});
});
module.exports = runner.chain;
// TypeScript imports the `default` property for
// an ES2015 default import (`import test from 'ava'`)
// See: https://github.com/Microsoft/TypeScript/issues/2242#issuecomment-83694181
module.exports.default = runner.chain;