I highly recommend switching to using Istanbul for code coverage. With the simple line
"test": "istanbul test jasmine-node -- test" in your
package.json scripts block you get optional code coverage integrated with jasmine, without the need to run a separate instrumentation step. Istanbul includes detailed branch and function metrics which JSCoverage does not.
jscoverage-reporter - JSCoverage Report for Jasmine
At this point the reporter requires a little setup to use as it assumes you are already using jasmine-node for testing. A simple wrapper script described below makes it easy to add this reporter to an out of the box jasmine-node install.
npm install jscoverage-reporter
You will also need a version of JSCoverage installed to generate the covered files. My preference is to download and install from http://siliconforks.com/jscoverage/ as we also test non node.js code.
require('jscoverage-reporter'); jasmine.getEnv().addReporter(new jasmine.JSCoverageReporter('./reports'));
Create a file called coverage.js:
require('jasmine-node'); require('jscoverage-reporter'); var jasmineEnv = jasmine.getEnv(); // Adjust output directory as needed jasmineEnv.addReporter(new jasmine.JSCoverageReporter('./reports')); require('./node_modules/jasmine-node/lib/jasmine-node/cli.js');
After running JSCoverage on the code to test:
npm install jasmine-node node coverage.js <jasmine-node options>
To run a single command that executes JSCoverage and runs the tests, an example can be found at tools/coverage.js.
package.json you can then define your test script as:
"test": "node tools/coverage --junitreport build/test",
Viewing the Report
coverage.xml will be produced. The
jscoverage.json file can be used with the modified JSCoverage template to view the coverage. As JSCoverage complains about file based paths, to view the data a simple node.js based HTTP report server can be found in tools/report.js. The
coverage.xml is suitable for Emma report tracking such as with Emma Jenkins Plugin.
Copyright (c) 2012 Daniel Rinehart. This software is licensed under the MIT License.