nconf-lite/test/hierarchy.test.js

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/*
* hierarchy-test.js: Basic tests for hierarchical file stores.
*
* (C) 2011, Charlie Robbins and the Contributors.
*
*/
var fs = require('fs');
var path = require('path');
var spawn = require('child_process').spawn;
var nconf = require('../lib/nconf');
var configDir = path.join(__dirname, 'fixtures', 'hierarchy');
var globalConfig = path.join(configDir, 'global.json');
var userConfig = path.join(configDir, 'user.json');
describe('nconf/hierarchy, When using nconf', () => {
it("configured with two file stores, should have the appropriate keys present", () => {
nconf.add('user', {type: 'file', file: userConfig});
nconf.add('global', {type: 'file', file: globalConfig});
nconf.load();
expect(nconf.get('title')).toEqual('My specific title');
expect(nconf.get('color')).toEqual('green');
expect(nconf.get('movie')).toEqual('Kill Bill');
});
it("configured with two file stores using `file` should have the appropriate keys present", () => {
nconf.file('user', userConfig);
nconf.file('global', globalConfig);
nconf.load();
expect(nconf.get('title')).toEqual('My specific title');
expect(nconf.get('color')).toEqual('green');
expect(nconf.get('movie')).toEqual('Kill Bill');
});
it("configured with .argv(), .env() and .file() should not persist information passed in to process.env and process.argv to disk",
done => {
var configFile = path.join(__dirname, 'fixtures', 'load-save.json');
var script = path.join(__dirname, 'fixtures', 'scripts', 'nconf-hierarchical-load-save.js');
var argv = ['--foo', 'foo', '--bar', 'bar'];
var data = '';
try {
fs.unlinkSync(configFile)
}
catch (ex) {
// No-op
}
var child = spawn('node', [script].concat(argv));
child.stdout.on('data', function (d) {
data += d;
});
child.on('close', function () {
fs.readFile(configFile, 'utf8', (err, ondisk) => {
expect(data).toEqual('foo');
expect(JSON.parse(ondisk)).toEqual({
database: {
host: '127.0.0.1',
port: 5984
}
});
});
done();
});
});
it("configured with .argv(), .file() and invoked with nested command line options, should merge nested objects",
done => {
var script = path.join(__dirname, 'fixtures', 'scripts', 'nconf-hierarchical-load-merge.js');
var argv = ['--candy:something', 'foo', '--candy:something5:second', 'bar'];
var data = '';
var child = spawn('node', [script].concat(argv));
child.stdout.on('data', function (d) {
data += d;
});
child.on('close', function () {
expect(JSON.parse(data)).toEqual({
apples: true,
candy: {
something: 'foo',
something1: true,
something2: true,
something5: {
first: 1,
second: 'bar'
}
}
});
done();
});
});
it("configured with .argv() and separator, .file() and invoked with nested command line options should merge nested objects", done => {
var script = path.join(__dirname, 'fixtures',
'scripts', 'nconf-hierarchical-load-merge-with-separator.js');
var argv = ['--candy--something', 'foo', '--candy--something5--second', 'bar'];
var data = '';
process.env.candy__bonbon = 'sweet';
var child = spawn('node', [script].concat(argv));
delete process.env.candy__bonbon;
child.stdout.on('data', function (d) {
data += d;
});
child.on('close', function () {
console.log(data)
expect(JSON.parse(data)).toEqual({
apples: true,
candy: {
bonbon: 'sweet',
something: 'foo',
something1: true,
something2: true,
something5: {
first: 1,
second: 'bar'
}
}
});
done();
});
});
it("configured with .file(), .defaults() should deep merge objects should merge nested objects ", done => {
var script = path.join(__dirname, 'fixtures', 'scripts', 'nconf-hierarchical-defaults-merge.js');
var data = '';
var child = spawn('node', [script]);
child.stdout.on('data', function (d) {
data += d;
});
child.on('close', function () {
expect(JSON.parse(data)).toEqual({
candy: {
something: 'much better something for you',
something1: true,
something2: true,
something18: 'completely unique',
something5: {
first: 1,
second: 99
}
}
});
done();
});
})
})