136 lines
2.7 KiB
JavaScript
136 lines
2.7 KiB
JavaScript
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'use strict';
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/**
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* @module JSON
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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_TEST_END = constants.EVENT_TEST_END;
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var EVENT_RUN_END = constants.EVENT_RUN_END;
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var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
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/**
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* Expose `JSON`.
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*/
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exports = module.exports = JSONReporter;
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/**
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* Constructs a new `JSON` reporter instance.
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*
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* @public
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* @class JSON
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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 JSONReporter(runner, options) {
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Base.call(this, runner, options);
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var self = this;
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var tests = [];
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var pending = [];
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var failures = [];
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var passes = [];
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runner.on(EVENT_TEST_END, function(test) {
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tests.push(test);
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});
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runner.on(EVENT_TEST_PASS, function(test) {
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passes.push(test);
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});
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runner.on(EVENT_TEST_FAIL, function(test) {
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failures.push(test);
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});
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runner.on(EVENT_TEST_PENDING, function(test) {
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pending.push(test);
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});
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runner.once(EVENT_RUN_END, function() {
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var obj = {
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stats: self.stats,
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tests: tests.map(clean),
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pending: pending.map(clean),
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failures: failures.map(clean),
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passes: passes.map(clean)
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};
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runner.testResults = obj;
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process.stdout.write(JSON.stringify(obj, null, 2));
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});
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}
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/**
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* Return a plain-object 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
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* @return {Object}
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*/
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function clean(test) {
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var err = test.err || {};
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if (err instanceof Error) {
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err = errorJSON(err);
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}
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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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err: cleanCycles(err)
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};
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}
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/**
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* Replaces any circular references inside `obj` with '[object Object]'
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*
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* @private
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* @param {Object} obj
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* @return {Object}
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*/
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function cleanCycles(obj) {
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var cache = [];
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return JSON.parse(
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JSON.stringify(obj, function(key, value) {
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if (typeof value === 'object' && value !== null) {
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if (cache.indexOf(value) !== -1) {
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// Instead of going in a circle, we'll print [object Object]
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return '' + value;
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}
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cache.push(value);
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}
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return value;
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})
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);
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}
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/**
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* Transform an Error object into a JSON object.
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*
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* @private
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* @param {Error} err
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* @return {Object}
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*/
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function errorJSON(err) {
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var res = {};
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Object.getOwnPropertyNames(err).forEach(function(key) {
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res[key] = err[key];
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}, err);
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return res;
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}
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JSONReporter.description = 'single JSON object';
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