nconf-lite/test/memory-store-test.js

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JavaScript

/*
* memory-store-test.js: Tests for the nconf Memory store.
*
* (C) 2011, Charlie Robbins
*
*/
var vows = require('vows'),
assert = require('assert'),
nconf = require('../lib/nconf'),
merge = require('./fixtures/data').merge;
vows.describe('nconf/stores/memory').addBatch({
"When using the nconf memory store": {
topic: new nconf.stores.Memory(),
"the set() method": {
"should respond with true": function (store) {
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 (store) {
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);
},
"should not fail when retrieving non-existent keys": function (store) {
assert.doesNotThrow(function() {
assert.equal(store.get('this:key:does:not:exist'), undefined);
}, TypeError);
},
"should not fail when drilling into non-objects": function (store) {
assert.doesNotThrow(function() {
assert.equal(store.get('falsy:number:uh:oh'), undefined);
}, TypeError);
}
},
"the clear() method": {
"should respond with the true": function (store) {
assert.equal(store.get('foo:bar:bazz'), 'buzz');
assert.isTrue(store.clear('foo:bar:bazz'));
assert.isTrue(typeof store.get('foo:bar:bazz') === 'undefined');
}
},
"the merge() method": {
"when overriding an existing literal value": function (store) {
store.set('merge:literal', 'string-value');
store.merge('merge:literal', merge);
assert.deepEqual(store.get('merge:literal'), merge);
},
"when overriding an existing Array value": function (store) {
store.set('merge:array', [1,2,3,4]);
store.merge('merge:array', merge);
assert.deepEqual(store.get('merge:literal'), merge);
},
"when merging into an existing Object value": function (store) {
store.set('merge:object', {
prop1: 2,
prop2: 'prop2',
prop3: {
bazz: 'bazz'
},
prop4: ['foo', 'bar']
});
store.merge('merge:object', merge);
assert.equal(store.get('merge:object:prop1'), 1);
assert.equal(store.get('merge:object:prop2').length, 3);
assert.deepEqual(store.get('merge:object:prop3'), {
foo: 'bar',
bar: 'foo',
bazz: 'bazz'
});
assert.equal(store.get('merge:object:prop4').length, 2);
}
}
}
}).export(module);