69 lines
1.7 KiB
JavaScript
69 lines
1.7 KiB
JavaScript
const mocha = require('mocha');
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module.exports = JSONExtra;
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const constants = mocha.Runner.constants;
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/*
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This is a copy of
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https://github.com/mochajs/mocha/blob/master/lib/reporters/json-stream.js
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with more event hooks. mocha does not support extending reporters or using
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multiple reporters so a custom reporter is needed and it must be local
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to the project.
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*/
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function JSONExtra(runner, options) {
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mocha.reporters.Base.call(this, runner, options);
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mocha.reporters.JSON.call(this, runner, options);
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const self = this;
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runner.once(constants.EVENT_RUN_BEGIN, function () {
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writeEvent(['start', {total: runner.total}]);
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});
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runner.on(constants.EVENT_TEST_PASS, function (test) {
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writeEvent(['pass', clean(test)]);
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});
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runner.on(constants.EVENT_TEST_FAIL, function (test, err) {
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test = clean(test);
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test.err = err.message;
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test.stack = err.stack || null;
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writeEvent(['fail', test]);
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});
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runner.once(constants.EVENT_RUN_END, function () {
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writeEvent(['end', self.stats]);
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});
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runner.on(constants.EVENT_TEST_BEGIN, function (test) {
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writeEvent(['test-start', clean(test)]);
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});
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runner.on(constants.EVENT_TEST_PENDING, function (test) {
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writeEvent(['pending', clean(test)]);
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});
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}
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function writeEvent(event) {
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process.stdout.write(JSON.stringify(event) + '\n');
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}
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/**
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* Returns an object literal representation of `test`
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* free of cyclic properties, etc.
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*
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* @private
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* @param {Object} test - Instance used as data source.
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* @return {Object} object containing pared-down test instance data
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*/
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function clean(test) {
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return {
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title: test.title,
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fullTitle: test.fullTitle(),
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file: test.file,
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duration: test.duration,
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currentRetry: test.currentRetry(),
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};
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}
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