46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
'use strict';
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// stdlib
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var tap = require('tap');
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var test = tap.test;
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var EventEmitter = require('events').EventEmitter;
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// module under test
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var context = require('../context.js');
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// multiple contexts in use
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var tracer = context.createNamespace('tracer');
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function Trace(harvester) {
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this.harvester = harvester;
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}
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Trace.prototype.runHandler = function (callback) {
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var wrapped = tracer.bind(function () {
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callback();
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this.harvester.emit('finished', tracer.get('transaction'));
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}.bind(this));
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wrapped();
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};
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test("simple tracer built on contexts", function (t) {
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t.plan(6);
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var harvester = new EventEmitter();
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var trace = new Trace(harvester);
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harvester.on('finished', function (transaction) {
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t.ok(transaction, "transaction should have been passed in");
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t.equal(transaction.status, 'ok', "transaction should have finished OK");
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t.equal(Object.keys(process.namespaces).length, 1, "Should only have one namespace.");
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});
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trace.runHandler(function inScope() {
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t.ok(tracer.active, "tracer should have an active context");
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tracer.set('transaction', {status : 'ok'});
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t.ok(tracer.get('transaction'), "can retrieve newly-set value");
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t.equal(tracer.get('transaction').status, 'ok', "value should be correct");
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});
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});
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