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TESTING.md

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Testing and debugging

Running unit tests

  • unit tests currently use assertions (not unit test framework)
  • unit tests are tested by node and require tools to be installed (see below)
  • unit tests are not currently HTML
  • unit tests are held in *_test.js files

Running unit tests example

node structureWalker_tests.js

If it echoes nothing to the console, it worked.

Debugging JS

Options:

Debug in-browser

Firefox requires firebug plugin

Chrome/Safari include the webkit debugger

Testing JS

Testing using node.js

node can be debugged on the command line. This is not fun - node-inspector is recommended.

See also: "building Node" and "node-inspector" below.

adding the statement: debugger; causes debug to break on that line

Type 'help' to get help commands Type 'restart' to reload the js file

Common commands:

  • r: run
  • c: continue
  • n: next
  • s: step
  • repl: open a javascript console

To evaluate JS

Type 'repl' to go to a js evaluation console. Type ^D to leave the console

Debug Tests using node.js and node-inspector

Make sure node-inspector is installed (see Building Node and Node modules)

Running the node-debugger example:

Start the node inspector: node-inspector Start node and tell it to pause at the beginning: node --debug-brk g3.stack_test.js

Open chrome and browse to http://127.0.0.1:8080/

Debug as you would use the webKit debugger.

https://github.com/dannycoates/node-inspector

Building Node and Node modules

Preparing

On windows you can use MINGW - this comes with git for windows and with Rstudio

Install node.js Install compile tools

  • windows: visual studio express 2012

other notes in *_test.js

To test, install node.js and the required packages:

npm install underscore
npm install d3

For in-browser debugging: npm install node-inspector

On windows you will need visual studio express installed to build gyp (required by d3).

Running the tests

cd WWW
node structureWalker_tests.js

Unit Tests

Some unit tests already exist - run them using node.