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root = true | ||
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[*] | ||
indent_style = tab | ||
end_of_line = lf | ||
charset = utf-8 | ||
trim_trailing_whitespace = true | ||
insert_final_newline = true | ||
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[{package.json,*.yml}] | ||
indent_style = space | ||
indent_size = 2 | ||
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[*.md] | ||
trim_trailing_whitespace = false |
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* text=auto |
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node_modules | ||
coverage | ||
.nyc_output |
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language: node_js | ||
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node_js: | ||
- 'stable' | ||
- '0.12' | ||
- '0.10' | ||
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after_script: | ||
- 'cat ./coverage/lcov.info | ./node_modules/.bin/coveralls' |
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'use strict'; | ||
module.exports = makeTests; | ||
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var recast = require('recast'); | ||
var makeComment = require('inline-source-map-comment'); | ||
var types = recast.types; | ||
var n = types.namedTypes; | ||
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function makeTests(inputSource, opts) { | ||
var results = []; | ||
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opts = opts || {}; | ||
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var filename = opts.sourceMaps !== false && (opts.filename || opts.fileName); | ||
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function parse() { | ||
var parseOpts = filename ? {sourceFileName: filename} : null; | ||
return recast.parse(inputSource, parseOpts); | ||
} | ||
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function print(ast) { | ||
var printOpts = filename ? {sourceMapName: filename + '.map'} : null; | ||
var result = recast.print(ast, printOpts); | ||
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if (filename && opts.attachComment) { | ||
result.code = result.code + '\n' + makeComment(result.map); | ||
} | ||
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return result; | ||
} | ||
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function copy(path) { | ||
return rootNode(_copy(path)); | ||
} | ||
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function _copy(path) { | ||
var copied; | ||
if (path.parentPath) { | ||
copied = _copy(path.parentPath).get(path.name); | ||
} else { | ||
copied = new types.NodePath({root: parse()}); | ||
} | ||
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var parent = copied.parent; | ||
var node = copied.value; | ||
if (!(n.Node.check(node) && parent && (n.BlockStatement.check(parent.node) || n.Program.check(parent.node)))) { | ||
return copied; | ||
} | ||
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var body = parent.get('body').value; | ||
var keeper = parent.get('body', path.name).node; | ||
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var statementIdx = 0; | ||
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while (statementIdx < body.length) { | ||
var statement = body[statementIdx]; | ||
if ((isDescribe(statement) || isIt(statement)) && statement !== keeper) { | ||
parent.get('body', statementIdx).replace(); | ||
} else { | ||
statementIdx++; | ||
} | ||
} | ||
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return copied; | ||
} | ||
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types.visit(parse(), { | ||
visitExpressionStatement: function (path) { | ||
var node = path.node; | ||
if (isIt(node)) { | ||
var result = print(copy(path)); | ||
result.nestedName = nestedName(path); | ||
results.push(result); | ||
return false; | ||
} | ||
this.traverse(path); | ||
} | ||
}); | ||
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return results; | ||
} | ||
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function isDescribe(node) { | ||
if (!n.ExpressionStatement.check(node)) { | ||
return false; | ||
} | ||
node = node.expression; | ||
return n.CallExpression.check(node) && n.Identifier.check(node.callee) && (node.callee.name === 'describe'); | ||
} | ||
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function isIt(node) { | ||
if (!n.ExpressionStatement.check(node)) { | ||
return false; | ||
} | ||
node = node.expression; | ||
return n.CallExpression.check(node) && n.Identifier.check(node.callee) && (node.callee.name === 'it'); | ||
} | ||
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// Walks the path up to the root. | ||
function rootNode(path) { | ||
while (path.parent) { | ||
path = path.parent; | ||
} | ||
return path; | ||
} | ||
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function nestedName(path) { | ||
var arr = []; | ||
_nestedName(path, arr); | ||
return arr.reverse(); | ||
} | ||
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function _nestedName(path, arr) { | ||
if (!path) { | ||
return; | ||
} | ||
if (isDescribe(path.node) || isIt(path.node)) { | ||
var firstArg = path.get('expression', 'arguments', 0).node; | ||
n.Literal.assert(firstArg); | ||
arr.push(firstArg.value); | ||
} | ||
_nestedName(path.parent, arr); | ||
} | ||
|
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The MIT License (MIT) | ||
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Copyright (c) James Talmage <james@talmage.io> (github.com/jamestalmage) | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in | ||
all copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
THE SOFTWARE. |
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{ | ||
"name": "forking-tap", | ||
"version": "0.0.0", | ||
"description": "Run every single tap test in its own process.", | ||
"license": "MIT", | ||
"repository": "jamestalmage/forking-tap", | ||
"author": { | ||
"name": "James Talmage", | ||
"email": "james@talmage.io", | ||
"url": "github.com/jamestalmage" | ||
}, | ||
"engines": { | ||
"node": ">=0.10.0" | ||
}, | ||
"scripts": { | ||
"test": "xo && nyc --reporter=lcov --reporter=text ava" | ||
}, | ||
"files": [ | ||
"index.js" | ||
], | ||
"keywords": [ | ||
"tap", | ||
"forked", | ||
"forking", | ||
"test", | ||
"tests", | ||
"testing", | ||
"isolation", | ||
"globals" | ||
], | ||
"dependencies": { | ||
"inline-source-map-comment": "^1.0.5", | ||
"recast": "^0.10.39" | ||
}, | ||
"devDependencies": { | ||
"ava": "^0.7.0", | ||
"convert-source-map": "^1.1.2", | ||
"coveralls": "^2.11.4", | ||
"nyc": "^4.0.1", | ||
"source-map": "^0.5.3", | ||
"xo": "^0.11.2" | ||
}, | ||
"xo": { | ||
"ignores": [ | ||
"test.js" | ||
] | ||
} | ||
} |
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# forking-tap [![Build Status](https://travis-ci.org/jamestalmage/forking-tap.svg?branch=master)](https://travis-ci.org/jamestalmage/forking-tap) | ||
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> Run every single tap test in its own process. | ||
`forking tap` takes a single test: | ||
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```js | ||
require('tap').mochaGlobals() | ||
var foo = 'bar'; | ||
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describe('foo', function () { | ||
function fooHelper() {} | ||
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it('foo-1', function () {}); | ||
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it('foo-2', function () {}); | ||
}); | ||
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describe('bar', function () { | ||
function barHelper() {} | ||
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it('bar-1', function () {}); | ||
}); | ||
``` | ||
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And splits it into three different files (one for each test): | ||
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```js | ||
require('tap').mochaGlobals(); | ||
var foo = 'bar'; | ||
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describe('foo', function () { | ||
function fooHelper() {} | ||
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it('foo-1', function () {}); | ||
}); | ||
``` | ||
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```js | ||
require('tap').mochaGlobals(); | ||
var foo = 'bar'; | ||
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describe('foo', function () { | ||
function fooHelper() {} | ||
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it('foo-2', function () {}); | ||
}); | ||
``` | ||
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```js | ||
require('tap').mochaGlobals(); | ||
var foo = 'bar'; | ||
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describe('bar', function () { | ||
function barHelper() {} | ||
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it('bar-1', function () {}); | ||
}); | ||
``` | ||
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Notice how all the appropriate helper functions and shared variables make it into each test. | ||
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## Install | ||
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``` | ||
$ npm install --save forking-tap | ||
``` | ||
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## Usage | ||
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```js | ||
const forkingTap = require('forking-tap'); | ||
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const results = forkingTap(fs.readFileSync('./all-the-tests.js', 'utf8')); | ||
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results.forEach((result, testNum) => { | ||
fs.writeFileSync('./test-number-' + testNum, result.code); | ||
}); | ||
``` | ||
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## API | ||
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### testList = forkingTap(source, [options]) | ||
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Returns `testList` an array of `testResult` objects that represent the input `source` split into individual test files with one test per file. | ||
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#### source | ||
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Type: `string` | ||
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The original source code. | ||
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#### options | ||
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##### options.filename | ||
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Type: `string` | ||
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The name of the file being split up. Required for source map support. | ||
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##### options.sourceMaps | ||
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Type: `boolean` | ||
Default: `true` | ||
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Forcefully turn off source map support by setting this to `false`. Otherwise, source map support is turned on if the `filename` option is present. | ||
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##### options.attachComment | ||
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Type: `boolean` | ||
Default: `false` | ||
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Automatically attach an inline source map comment to the end of the generated code. | ||
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### testResult | ||
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#### testResult.code | ||
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Type: `string` | ||
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The full source code for an individual test | ||
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#### testResult.map | ||
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Type: `object` | ||
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The source map descriptor object for the transform (or `undefined` if `filename` was not provided, or `options.sourceMaps === false`). | ||
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#### testResult.nestedName | ||
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Type: `Array.<string>` | ||
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A representation of the test name. The last element of the array will always be the string value passed to `it(str, fn)` test. The preceding elements of the array represent the names of any enclosing `describe` blocks. | ||
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For example, the following: | ||
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```js | ||
describe('foo', function () { | ||
describe('bar', function () { | ||
it('baz', function () { /* ... */}); | ||
}); | ||
}); | ||
``` | ||
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would produce a `nestedName` of`: | ||
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```js | ||
['foo', 'bar', 'baz'] | ||
``` | ||
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## License | ||
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MIT © [James Talmage](http://github.com/jamestalmage) |
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