nconf-lite/test/provider-test.js

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/*
* file-store-test.js: Tests for the nconf File store.
*
* (C) 2011, Charlie Robbins
*
*/
var assert = require('assert'),
fs = require('fs'),
path = require('path'),
spawn = require('child_process').spawn,
vows = require('vows'),
helpers = require('./helpers'),
nconf = require('../lib/nconf');
var fixturesDir = path.join(__dirname, 'fixtures'),
mergeFixtures = path.join(fixturesDir, 'merge'),
files = [path.join(mergeFixtures, 'file1.json'), path.join(mergeFixtures, 'file2.json')],
override = JSON.parse(fs.readFileSync(files[0]), 'utf8');
vows.describe('nconf/provider').addBatch({
"When using nconf": {
"an instance of 'nconf.Provider'": {
"calling the use() method with the same store type and different options": {
topic: new nconf.Provider().use('file', { file: files[0] }),
"should use a new instance of the store type": function (provider) {
var old = provider.file;
assert.equal(provider.file.file, files[0]);
provider.use('file', { file: files[1] });
assert.notStrictEqual(old, provider.file);
assert.equal(provider.file.file, files[1]);
}
},
"when 'argv' is true": helpers.assertSystemConf({
script: path.join(fixturesDir, 'scripts', 'provider-argv.js'),
argv: ['--something', 'foobar']
}),
"when 'env' is true": helpers.assertSystemConf({
script: path.join(fixturesDir, 'scripts', 'provider-env.js'),
env: { SOMETHING: 'foobar' }
}),
},
"the default nconf provider": {
"when 'argv' is set to true": helpers.assertSystemConf({
script: path.join(fixturesDir, 'scripts', 'nconf-argv.js'),
argv: ['--something', 'foobar'],
env: { SOMETHING: true }
}),
"when 'env' is set to true": helpers.assertSystemConf({
script: path.join(fixturesDir, 'scripts', 'nconf-env.js'),
env: { SOMETHING: 'foobar' }
})
}
}
}).addBatch({
"When using nconf": {
"an instance of 'nconf.Provider'": {
"the merge() method": {
topic: new nconf.Provider().use('file', { file: files[1] }),
"should have the result merged in": function (provider) {
provider.load();
provider.merge(override);
helpers.assertMerged(null, provider.file.store);
}
}
}
}
}).export(module);