91 lines
2.0 KiB
JavaScript
91 lines
2.0 KiB
JavaScript
'use strict';
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/**
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* @module JSONStream
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*/
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/**
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* Module dependencies.
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*/
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var Base = require('./base');
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var constants = require('../runner').constants;
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var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
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var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
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var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
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var EVENT_RUN_END = constants.EVENT_RUN_END;
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/**
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* Expose `JSONStream`.
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*/
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exports = module.exports = JSONStream;
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/**
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* Constructs a new `JSONStream` reporter instance.
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*
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* @public
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* @class
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* @memberof Mocha.reporters
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* @extends Mocha.reporters.Base
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* @param {Runner} runner - Instance triggers reporter actions.
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* @param {Object} [options] - runner options
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*/
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function JSONStream(runner, options) {
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Base.call(this, runner, options);
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var self = this;
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var total = runner.total;
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runner.once(EVENT_RUN_BEGIN, function() {
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writeEvent(['start', {total: total}]);
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});
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runner.on(EVENT_TEST_PASS, function(test) {
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writeEvent(['pass', clean(test)]);
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});
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runner.on(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(EVENT_RUN_END, function() {
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writeEvent(['end', self.stats]);
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});
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}
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/**
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* Mocha event to be written to the output stream.
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* @typedef {Array} JSONStream~MochaEvent
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*/
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/**
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* Writes Mocha event to reporter output stream.
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*
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* @private
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* @param {JSONStream~MochaEvent} event - Mocha event to be output.
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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 {Test} 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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duration: test.duration,
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currentRetry: test.currentRetry()
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};
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}
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JSONStream.description = 'newline delimited JSON events';
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