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/* * file-store-test.js: Tests for the nconf File store. * * (C) 2011, Nodejitsu Inc. * */ var fs = require('fs'), path = require('path'), vows = require('vows'), assert = require('assert'), nconf = require('../../lib/nconf'), data = require('../fixtures/data').data, store; vows.describe('nconf/stores/file').addBatch({ "When using the nconf file store": { "with a valid JSON file": { topic: function () { var filePath = path.join(__dirname, '..', 'fixtures', 'store.json'); fs.writeFileSync(filePath, JSON.stringify(data, null, 2)); this.store = store = new nconf.File({ file: filePath }); return null; }, "the load() method": { topic: function () { this.store.load(this.callback); }, "should load the data correctly": function (err, data) { assert.isNull(err); assert.deepEqual(data, this.store.store); } } }, "with a malformed JSON file": { topic: function () { var filePath = path.join(__dirname, '..', 'fixtures', 'malformed.json'); this.store = new nconf.File({ file: filePath }); return null; }, "the load() method with a malformed JSON config file": { topic: function () { this.store.load(this.callback.bind(null, null)); }, "should respond with an error and indicate file name": function (_, err) { assert.isTrue(!!err); assert.match(err, /malformed\.json/); } } }, "with a valid UTF8 JSON file that contains a BOM": { topic: function () { var filePath = path.join(__dirname, '..', 'fixtures', 'bom.json'); this.store = store = new nconf.File({ file: filePath }); return null; }, "the load() method": { topic: function () { this.store.load(this.callback); }, "should load the data correctly": function (err, data) { assert.isNull(err); assert.deepEqual(data, this.store.store); } }, "the loadSync() method": { topic: function () { var data = this.store.loadSync(); return data; }, "should load the data correctly": function (result) { assert.deepEqual(result, this.store.store); } } }, "with a valid UTF8 JSON file that contains no BOM": { topic: function () { var filePath = path.join(__dirname, '..', 'fixtures', 'no-bom.json'); this.store = store = new nconf.File({ file: filePath }); return null; }, "the load() method": { topic: function () { this.store.load(this.callback); }, "should load the data correctly": function (err, data) { assert.isNull(err); assert.deepEqual(data, this.store.store); } }, "the loadSync() method": { topic: function () { var data = this.store.loadSync(); return data; }, "should load the data correctly": function (result) { assert.deepEqual(result, this.store.store); } } } } }).addBatch({ "When using the nconf file store": { topic: function () { var tmpPath = path.join(__dirname, '..', 'fixtures', 'tmp.json'), tmpStore = new nconf.File({ file: tmpPath }); return tmpStore; }, "the save() method": { topic: function (tmpStore) { var that = this; Object.keys(data).forEach(function (key) { tmpStore.set(key, data[key]); }); tmpStore.save(function () { fs.readFile(tmpStore.file, function (err, d) { fs.unlinkSync(tmpStore.file); return err ? that.callback(err) : that.callback(err, JSON.parse(d.toString())); }); }); }, "should save the data correctly": function (err, read) { assert.isNull(err); assert.deepEqual(read, data); } } } }).addBatch({ "When using the nconf file store": { topic: function () { var tmpPath = path.join(__dirname, '..', 'fixtures', 'tmp.json'), tmpStore = new nconf.File({ file: tmpPath }); return tmpStore; }, "the saveSync() method": { topic: function (tmpStore) { var that = this; Object.keys(data).forEach(function (key) { tmpStore.set(key, data[key]); }); var saved = tmpStore.saveSync(); fs.readFile(tmpStore.file, function (err, d) { fs.unlinkSync(tmpStore.file); return err ? that.callback(err) : that.callback(err, JSON.parse(d.toString()), saved); }); }, "should save the data correctly": function (err, read, saved) { assert.isNull(err); assert.deepEqual(read, data); assert.deepEqual(read, saved); } } } }).addBatch({ "When using the nconf file store": { "the set() method": { "should respond with true": function () { assert.isTrue(store.set('foo:bar:bazz', 'buzz')); assert.isTrue(store.set('falsy:number', 0)); assert.isTrue(store.set('falsy:string', '')); assert.isTrue(store.set('falsy:boolean', false)); assert.isTrue(store.set('falsy:object', null)); } }, "the get() method": { "should respond with the correct value": function () { assert.equal(store.get('foo:bar:bazz'), 'buzz'); assert.equal(store.get('falsy:number'), 0); assert.equal(store.get('falsy:string'), ''); assert.equal(store.get('falsy:boolean'), false); assert.equal(store.get('falsy:object'), null); } }, "the clear() method": { "should respond with the true": function () { assert.equal(store.get('foo:bar:bazz'), 'buzz'); assert.isTrue(store.clear('foo:bar:bazz')); assert.isTrue(typeof store.get('foo:bar:bazz') === 'undefined'); } } } }).addBatch({ "When using the nconf file store": { "the search() method": { "when the target file exists higher in the directory tree": { topic: function () { var filePath = this.filePath = path.join(process.env.HOME, '.nconf'); fs.writeFileSync(filePath, JSON.stringify(data, null, 2)); return new (nconf.File)({ file: '.nconf' }) }, "should update the file appropriately": function (store) { store.search(); assert.equal(store.file, this.filePath); fs.unlinkSync(this.filePath); } }, "when the target file doesn't exist higher in the directory tree": { topic: function () { var filePath = this.filePath = path.join(__dirname, '..', 'fixtures', 'search-store.json'); return new (nconf.File)({ dir: path.dirname(filePath), file: 'search-store.json' }) }, "should update the file appropriately": function (store) { store.search(); assert.equal(store.file, this.filePath); } } } } }).export(module);
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