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'use strict';
let assert = require('chai').assert;
let _ = require('lodash');
let KindaObjectDB = require('./src');
suite('KindaObjectDB', function() {
let db;
let catchError = async function(fn) {
let err;
try {
await fn();
} catch (e) {
err = e;
}
return err;
};
suiteSetup(async function() {
db = KindaObjectDB.create({
name: 'Test',
url: 'mysql://test@localhost/test',
classes: [
{
name: 'Account',
indexes: ['accountNumber', 'country']
},
{
name: 'Person',
indexes: ['accountNumber', 'country', ['lastName', 'firstName']]
},
{
name: 'Company',
indexes: ['accountNumber', 'country', 'name']
}
]
});
});
suiteTeardown(async function() {
await db.destroyObjectDatabase();
});
test('put, get and delete an item', async function() {
let classes = ['Account', 'Person'];
let key = 'mvila';
let value = {
accountNumber: 12345,
firstName: 'Manuel',
lastName: 'Vila',
country: 'France'
};
await db.putItem(classes, key, value);
let item = await db.getItem('Account', key);
assert.deepEqual(item.classes, classes);
assert.deepEqual(item.value, value);
item = await db.getItem('Person', key);
assert.deepEqual(item.classes, classes);
assert.deepEqual(item.value, value);
let err = await catchError(async function() {
await db.getItem('Company', key);
});
assert.instanceOf(err, Error);
let hasBeenDeleted = await db.deleteItem('Person', key);
assert.isTrue(hasBeenDeleted);
item = await db.getItem('Person', key, { errorIfMissing: false });
assert.isUndefined(item);
hasBeenDeleted = await db.deleteItem('Person', key, { errorIfMissing: false });
assert.isFalse(hasBeenDeleted);
});
suite('with several items', function() {
setup(async function() {
await db.putItem(['Account'], 'aaa', {
accountNumber: 45329,
country: 'France'
});
await db.putItem(['Account', 'Person'], 'bbb', {
accountNumber: 3246,
firstName: 'Jack',
lastName: 'Daniel',
country: 'USA'
});
await db.putItem(['Account', 'Company'], 'ccc', {
accountNumber: 7002,
name: 'Kinda Ltd',
country: 'China'
});
await db.putItem(['Account', 'Person'], 'ddd', {
accountNumber: 55498,
firstName: 'Vincent',
lastName: 'Vila',
country: 'USA'
});
await db.putItem(['Account', 'Person'], 'eee', {
accountNumber: 888,
firstName: 'Pierre',
lastName: 'Dupont',
country: 'France'
});
await db.putItem(['Account', 'Company'], 'fff', {
accountNumber: 8775,
name: 'Fleur SARL',
country: 'France'
});
});
teardown(async function() {
await db.deleteItem('Account', 'aaa', { errorIfMissing: false });
await db.deleteItem('Account', 'bbb', { errorIfMissing: false });
await db.deleteItem('Account', 'ccc', { errorIfMissing: false });
await db.deleteItem('Account', 'ddd', { errorIfMissing: false });
await db.deleteItem('Account', 'eee', { errorIfMissing: false });
await db.deleteItem('Account', 'fff', { errorIfMissing: false });
});
test('get many items', async function() {
let items = await db.getItems('Account', ['aaa', 'ccc']);
assert.strictEqual(items.length, 2);
assert.deepEqual(items[0].classes, ['Account']);
assert.strictEqual(items[0].key, 'aaa');
assert.strictEqual(items[0].value.accountNumber, 45329);
assert.deepEqual(items[1].classes, ['Account', 'Company']);
assert.strictEqual(items[1].key, 'ccc');
assert.strictEqual(items[1].value.accountNumber, 7002);
});
test('find all items belonging to a class', async function() {
let items = await db.findItems('Company');
assert.strictEqual(items.length, 2);
assert.deepEqual(items[0].classes, ['Account', 'Company']);
assert.strictEqual(items[0].key, 'ccc');
assert.strictEqual(items[0].value.name, 'Kinda Ltd');
assert.deepEqual(items[1].classes, ['Account', 'Company']);
assert.strictEqual(items[1].key, 'fff');
assert.strictEqual(items[1].value.name, 'Fleur SARL');
});
test('find and order items', async function() {
let items = await db.findItems('Person', { order: 'accountNumber' });
assert.strictEqual(items.length, 3);
let numbers = _.map(items, function(item) {
return item.value.accountNumber;
});
assert.deepEqual(numbers, [888, 3246, 55498]);
});
test('find items with a query', async function() {
let items = await db.findItems('Account', {
query: { country: 'USA' }
});
let keys = _.pluck(items, 'key');
assert.deepEqual(keys, ['bbb', 'ddd']);
items = await db.findItems('Company', {
query: { country: 'UK' }
});
assert.strictEqual(items.length, 0);
});
test('count all items belonging to a class', async function() {
let count = await db.countItems('Person');
assert.strictEqual(count, 3);
});
test('count items with a query', async function() {
let count = await db.countItems('Account', {
query: { country: 'France' }
});
assert.strictEqual(count, 3);
count = await db.countItems('Person', {
query: { country: 'France' }
});
assert.strictEqual(count, 1);
count = await db.countItems('Company', {
query: { country: 'Spain' }
});
assert.strictEqual(count, 0);
});
test('iterate over items', async function() {
let keys = [];
await db.forEachItems('Account', { batchSize: 2 }, async function(item) {
keys.push(item.key);
});
assert.deepEqual(keys, ['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff']);
});
test('find and delete items', async function() {
let options = { query: { country: 'France' }, batchSize: 2 };
let deletedItemsCount = await db.findAndDeleteItems('Account', options);
assert.strictEqual(deletedItemsCount, 3);
let items = await db.findItems('Account');
let keys = _.pluck(items, 'key');
assert.deepEqual(keys, ['bbb', 'ccc', 'ddd']);
deletedItemsCount = await db.findAndDeleteItems('Account', options);
assert.strictEqual(deletedItemsCount, 0);
});
test('change an item inside a transaction', async function() {
assert.isFalse(db.isInsideTransaction);
await db.transaction(async function(tr) {
assert.isTrue(tr.isInsideTransaction);
let innerItem = await tr.getItem('Person', 'bbb');
assert.strictEqual(innerItem.value.lastName, 'Daniel');
innerItem.value.lastName = 'D.';
await tr.putItem(['Account', 'Person'], 'bbb', innerItem.value);
innerItem = await tr.getItem('Person', 'bbb');
assert.strictEqual(innerItem.value.lastName, 'D.');
});
let item = await db.getItem('Person', 'bbb');
assert.strictEqual(item.value.lastName, 'D.');
});
test('change an item inside an aborted transaction', async function() {
let err = await catchError(async function() {
assert.isFalse(db.isInsideTransaction);
await db.transaction(async function(tr) {
assert.isTrue(tr.isInsideTransaction);
let innerItem = await tr.getItem('Person', 'bbb');
assert.strictEqual(innerItem.value.lastName, 'Daniel');
innerItem.value.lastName = 'D.';
await tr.putItem(['Account', 'Person'], 'bbb', innerItem.value);
innerItem = await tr.getItem('Person', 'bbb');
assert.strictEqual(innerItem.value.lastName, 'D.');
throw new Error('something wrong');
});
});
assert.instanceOf(err, Error);
let item = await db.getItem('Person', 'bbb');
assert.strictEqual(item.value.lastName, 'Daniel');
});
}); // with several items suite
});