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https://github.com/apsdehal/qunit-migrate

Migrate old QUnit tests to 2.x. Uses regex and ASTs to convert old QUnit code.
https://github.com/apsdehal/qunit-migrate

ast migrator qunit regex

Last synced: 15 days ago
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Migrate old QUnit tests to 2.x. Uses regex and ASTs to convert old QUnit code.

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# QUnit Migrate
[![NPM Version](https://img.shields.io/npm/v/qunit-migrate.svg?style=flat)](https://www.npmjs.com/package/qunit-migrate)
[![Build Status](https://travis-ci.org/apsdehal/qunit-migrate.svg?branch=master)](https://travis-ci.org/apsdehal/qunit-migrate)

Migrate old QUnit code to 2.x.

## Features

- JSCS support
- Custom config support for defining rules
- Supports conversion of Async tests
- Support for globbing patterns
- Both regex and ast parser supported

## Install

> npm install --global qunit-migrate

## Usage

```
qunit-migrate -h

Usage: qunit-migrate [options]

QUnit Migrate: A tool to migrate your files to QUnit 2.0 API

Options:

-h, --help output usage information
-V, --version output the version number
-c, --config Config file for qunit-migrate
-P, --parser Parser to be used for parsing, Default: ast
-w, --write Pass if parsed files should be overwritten. Default: false
-p, --preset Preset rule for jscs config. Default: jquery
-j, --no-jscs Pass if jscs fix should not be applied. Default: true

Globbing is supported in files

Examples:

$ qunit-migrate "./**/*.js" -w --preset "google" -c "config.json"
$ # This will migrate all js files in subdirectories using google
$ # preset and config as config.json
```

*Information: AST parser is more robust than regex parser*

## Configuration

Various rules can be toggled through use of custom config which can be passed via `-c` option.

[Default config file](examples/default.config.json)

[Sample config file](examples/sample.config.json)

[Config Rules](examples/rules.md)

## Example:

qunit-migrate tries to change old QUnit code to new QUnit specifications.

For e.g. following code will be converted as follows:

```js
// Taken directly from jquery-globalize
// file1.js
define([
"cldr",
"src/core",
"json!cldr-data/supplemental/likelySubtags.json",
"cldr/event"
], function( Cldr, Globalize, likelySubtags ) {
Cldr.load( likelySubtags );
module( "Globalize.locale" );
ssyncTest( "should allow String locale", function() {
stop();
Globalize.locale( "en" );
ok( Globalize.cldr instanceof Cldr );
equal( Globalize.cldr.locale, "en" );
start();
});
});
```
> $ qunit-migrate "file1.js" -w

to

```js
// Taken directly from jquery-globalize
// file1.js
define( [
"qunit",
"cldr",
"src/core",
"json!cldr-data/supplemental/likelySubtags.json",
"cldr/event"
], function( QUnit, Cldr, Globalize, likelySubtags ) {
Cldr.load( likelySubtags );
QUnit.module( "Globalize.locale" );
QUnit.test( "should allow String locale", function( assert ) {
var ready = assert.async();
Globalize.locale( "en" );
assert.ok( Globalize.cldr instanceof Cldr );
assert.equal( Globalize.cldr.locale, "en" );
ready();
});
});
```

## API
> $ npm install --save qunit-migrate

```js
var qunitMigrate = require('qunit-migrate');
var qmAst = qunitMigrate.ast;
var qmRegex = qunitMigrate.regex;
var data = 'Some old qunit code';

var modifiedDataAST = qmAst(data); // Fixed code through AST
var modifiedDataRegex = qmRegex(data); // Fixed code through AST
```

*Information: `qunit-migrate` api doesn't fix source with jscs*

## Accuracy & Limitations

QUnit migrate tries its best to upgrade your API, but there are still some limitations.

For e.g.
- If you are encapsulating some of your logic in a function and using assertions in that, it is
your responsibility to pass assert into function parameters. API of qunit-migrate can also be upgraded to do this, but it doesn't support it at the moment
- There might be issues with require definitions some time if they are not in the start and encapsulated somewhere.
- QUnit.reset is not supported as of now

*All these are fixable through AST. _Pull requests_ are welcome*

## License

MIT © [Amanpreet Singh](https://apsdehal.in)