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83 lines
2.3 KiB
83 lines
2.3 KiB
/*
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* pkginfo-test.js: Tests for the pkginfo module.
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*
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* (C) 2011, Charlie Robbins
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*
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*/
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var assert = require('assert'),
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exec = require('child_process').exec,
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fs = require('fs'),
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path = require('path'),
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vows = require('vows'),
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pkginfo = require('../lib/pkginfo');
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function assertProperties (source, target) {
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assert.lengthOf(source, target.length + 1);
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target.forEach(function (prop) {
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assert.isTrue(!!~source.indexOf(prop));
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});
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}
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function compareWithExample(targetPath) {
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var examplePaths = ['package.json'];
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if (targetPath) {
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examplePaths.unshift(targetPath);
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}
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return function(exposed) {
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var pkg = fs.readFileSync(path.join.apply(null, [__dirname, '..', 'examples'].concat(examplePaths))).toString(),
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keys = Object.keys(JSON.parse(pkg));
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assertProperties(exposed, keys);
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};
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}
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function testExposes (options) {
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return {
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topic: function () {
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exec('node ' + path.join(__dirname, '..', 'examples', options.script), this.callback);
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},
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"should expose that property correctly": function (err, stdout, stderr) {
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assert.isNull(err);
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var exposed = stderr.match(/'(\w+)'/ig).map(function (p) {
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return p.substring(1, p.length - 1);
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});
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return !options.assert
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? assertProperties(exposed, options.properties)
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: options.assert(exposed);
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}
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}
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}
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vows.describe('pkginfo').addBatch({
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"When using the pkginfo module": {
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"and passed a single `string` argument": testExposes({
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script: 'single-property.js',
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properties: ['version']
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}),
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"and passed multiple `string` arguments": testExposes({
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script: 'multiple-properties.js',
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properties: ['version', 'author']
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}),
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"and passed an `object` argument": testExposes({
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script: 'object-argument.js',
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properties: ['version', 'author']
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}),
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"and passed an `array` argument": testExposes({
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script: 'array-argument.js',
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properties: ['version', 'author']
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}),
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"and read from a specified directory": testExposes({
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script: 'target-dir.js',
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assert: compareWithExample('subdir')
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}),
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"and passed no arguments": testExposes({
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script: 'all-properties.js',
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assert: compareWithExample()
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})
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}
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}).export(module);
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