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This document is out-of-date. See lib/reporting.js.

Web-based Reports

Functions for manipulating the report that is available during the test at http://localhost:8000/ and that is written to results-{timestamp}-summary.html.

Interface:

  • REPORT_MANAGER.reports: All of the reports that are displayed in the summary webpage.
  • REPORT_MANAGER.addReport(Report): Add a report object to the webpage.
  • Report(name, updater(Report)): A report consists of a set of charts, displayed in the main body of the webpage, and a summary object displayed on the right side bar. A report has a name and an updater function. Calling updater(Report) should update the report's chart and summary. When tests are running, REPORT_MANAGER calls each report's updater periodically.
  • Report.summary: A JSON object displayed in table form in the summary webpage right side bar.
  • Report.getChart(name): Gets or creates a chart with the title name to the report and returns a Chart object. See Chart.put(data) below.
  • Chart.put(data): Add the data, which is a map of { 'trend-1': value, 'trend-2': value, ... }, to the chart, which tracks the values for each trend over time.

Usage:

An HTTP server is started on port 8000 by default. Use:

`var nl = require('./lib/nodeloadlib).disableServer()`

to disable the HTTP server, or

`var nl = require('./lib/nodeloadlib).usePort(port)`

to change the port binding. The file results-{timestamp}-summary.html is written to the current directory. Use

`var nl = require('./lib/nodeloadlib).disableLogs()`

to disable creation of this file.

A report is automatically added for each test created by addTest() or runTest(). To add additional charts to the summary webpage:

var mycounter = 0;
REPORT_MANAGER.addReport(new Report("My Report", function(report) {
    chart = report.getChart("My Chart");
    chart.put({ 'counter': mycounter++ });
    chart.summary = { 'Total increments': mycounter };
}));

The webpage automatically issues an AJAX request to refresh the text and chart data every 2 seconds by default. Change the refresh period using:

`var nl = require('./lib/nodeloadlib).setAjaxRefreshIntervalMs(milliseconds)`
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