loopback-datasource-juggler/test/util.test.js

365 lines
12 KiB
JavaScript

var should = require('./init.js');
var utils = require('../lib/utils');
var fieldsToArray = utils.fieldsToArray;
var removeUndefined = utils.removeUndefined;
var mergeSettings = utils.mergeSettings;
var mergeIncludes = utils.mergeIncludes;
var sortObjectsByIds = utils.sortObjectsByIds;
describe('util.fieldsToArray', function () {
it('Turn objects and strings into an array of fields to include when finding models', function () {
function sample(fields) {
var properties = ['foo', 'bar', 'bat', 'baz'];
return {
expect: function (arr) {
should.deepEqual(fieldsToArray(fields, properties), arr);
}
}
}
sample(false).expect(undefined);
sample(null).expect(undefined);
sample({}).expect(undefined);
sample('foo').expect(['foo']);
sample(['foo']).expect(['foo']);
sample({'foo': 1}).expect(['foo']);
sample({'bat': true}).expect(['bat']);
sample({'bat': 0}).expect(['foo', 'bar', 'baz']);
sample({'bat': false}).expect(['foo', 'bar', 'baz']);
});
});
describe('util.removeUndefined', function () {
it('Remove undefined values from the query object', function () {
var q1 = {where: {x: 1, y: undefined}};
should.deepEqual(removeUndefined(q1), {where: {x: 1}});
var q2 = {where: {x: 1, y: 2}};
should.deepEqual(removeUndefined(q2), {where: {x: 1, y: 2}});
var q3 = {where: {x: 1, y: {in: [2, undefined]}}};
should.deepEqual(removeUndefined(q3), {where: {x: 1, y: {in: [2]}}});
should.equal(removeUndefined(null), null);
should.equal(removeUndefined(undefined), undefined);
should.equal(removeUndefined('x'), 'x');
var date = new Date();
var q4 = {where: {x: 1, y: date}};
should.deepEqual(removeUndefined(q4), {where: {x: 1, y: date}});
});
});
describe('util.parseSettings', function () {
it('Parse a full url into a settings object', function () {
var url = 'mongodb://x:y@localhost:27017/mydb?w=2';
var settings = utils.parseSettings(url);
should.equal(settings.hostname, 'localhost');
should.equal(settings.port, 27017);
should.equal(settings.host, 'localhost');
should.equal(settings.user, 'x');
should.equal(settings.password, 'y');
should.equal(settings.database, 'mydb');
should.equal(settings.connector, 'mongodb');
should.equal(settings.w, '2');
should.equal(settings.url, 'mongodb://x:y@localhost:27017/mydb?w=2');
});
it('Parse a url without auth into a settings object', function () {
var url = 'mongodb://localhost:27017/mydb/abc?w=2';
var settings = utils.parseSettings(url);
should.equal(settings.hostname, 'localhost');
should.equal(settings.port, 27017);
should.equal(settings.host, 'localhost');
should.equal(settings.user, undefined);
should.equal(settings.password, undefined);
should.equal(settings.database, 'mydb');
should.equal(settings.connector, 'mongodb');
should.equal(settings.w, '2');
should.equal(settings.url, 'mongodb://localhost:27017/mydb/abc?w=2');
});
it('Parse a url with complex query into a settings object', function () {
var url = 'mysql://127.0.0.1:3306/mydb?x[a]=1&x[b]=2&engine=InnoDB';
var settings = utils.parseSettings(url);
should.equal(settings.hostname, '127.0.0.1');
should.equal(settings.port, 3306);
should.equal(settings.host, '127.0.0.1');
should.equal(settings.user, undefined);
should.equal(settings.password, undefined);
should.equal(settings.database, 'mydb');
should.equal(settings.connector, 'mysql');
should.equal(settings.x.a, '1');
should.equal(settings.x.b, '2');
should.equal(settings.engine, 'InnoDB');
should.equal(settings.url, 'mysql://127.0.0.1:3306/mydb?x[a]=1&x[b]=2&engine=InnoDB');
});
it('Parse a url without auth into a settings object', function () {
var url = 'memory://?x=1';
var settings = utils.parseSettings(url);
should.equal(settings.hostname, '');
should.equal(settings.user, undefined);
should.equal(settings.password, undefined);
should.equal(settings.database, undefined);
should.equal(settings.connector, 'memory');
should.equal(settings.x, '1');
should.equal(settings.url, 'memory://?x=1');
});
});
describe('mergeSettings', function () {
it('should merge settings correctly', function () {
var src = { base: 'User',
relations: { accessTokens: { model: 'accessToken', type: 'hasMany',
foreignKey: 'userId' },
account: { model: 'account', type: 'belongsTo' } },
acls: [
{ accessType: '*',
permission: 'DENY',
principalType: 'ROLE',
principalId: '$everyone' },
{ accessType: '*',
permission: 'ALLOW',
principalType: 'ROLE',
property: 'login',
principalId: '$everyone' },
{ permission: 'ALLOW',
property: 'findById',
principalType: 'ROLE',
principalId: '$owner' }
] };
var tgt = { strict: false,
acls: [
{ principalType: 'ROLE',
principalId: '$everyone',
permission: 'ALLOW',
property: 'create' },
{ principalType: 'ROLE',
principalId: '$owner',
permission: 'ALLOW',
property: 'removeById' }
],
maxTTL: 31556926,
ttl: 1209600 };
var dst = mergeSettings(tgt, src);
var expected = { strict: false,
acls: [
{ principalType: 'ROLE',
principalId: '$everyone',
permission: 'ALLOW',
property: 'create' },
{ principalType: 'ROLE',
principalId: '$owner',
permission: 'ALLOW',
property: 'removeById' },
{ accessType: '*',
permission: 'DENY',
principalType: 'ROLE',
principalId: '$everyone' },
{ accessType: '*',
permission: 'ALLOW',
principalType: 'ROLE',
property: 'login',
principalId: '$everyone' },
{ permission: 'ALLOW',
property: 'findById',
principalType: 'ROLE',
principalId: '$owner' }
],
maxTTL: 31556926,
ttl: 1209600,
base: 'User',
relations: { accessTokens: { model: 'accessToken', type: 'hasMany',
foreignKey: 'userId' },
account: { model: 'account', type: 'belongsTo' } } };
should.deepEqual(dst.acls, expected.acls, 'Merged settings should match the expectation');
});
});
describe('sortObjectsByIds', function () {
var items = [
{ id: 1, name: 'a' },
{ id: 2, name: 'b' },
{ id: 3, name: 'c' },
{ id: 4, name: 'd' },
{ id: 5, name: 'e' },
{ id: 6, name: 'f' }
];
it('should sort', function() {
var sorted = sortObjectsByIds('id', [6, 5, 4, 3, 2, 1], items);
var names = sorted.map(function(u) { return u.name; });
should.deepEqual(names, ['f', 'e', 'd', 'c', 'b', 'a']);
});
it('should sort - partial ids', function() {
var sorted = sortObjectsByIds('id', [5, 3, 2], items);
var names = sorted.map(function(u) { return u.name; });
should.deepEqual(names, ['e', 'c', 'b', 'a', 'd', 'f']);
});
it('should sort - strict', function() {
var sorted = sortObjectsByIds('id', [5, 3, 2], items, true);
var names = sorted.map(function(u) { return u.name; });
should.deepEqual(names, ['e', 'c', 'b']);
});
});
describe('util.mergeIncludes', function () {
function checkInputOutput(baseInclude, updateInclude, expectedInclude) {
var mergedInclude = mergeIncludes(baseInclude, updateInclude);
should.deepEqual(mergedInclude, expectedInclude,
'Merged include should match the expectation');
}
it('Merge string values to object', function () {
var baseInclude = 'relation1';
var updateInclude = 'relation2';
var expectedInclude = [
{relation2: true},
{relation1: true}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge string & array values to object', function () {
var baseInclude = 'relation1';
var updateInclude = ['relation2'];
var expectedInclude = [
{relation2: true},
{relation1: true}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge string & object values to object', function () {
var baseInclude = ['relation1'];
var updateInclude = {relation2: 'relation2Include'};
var expectedInclude = [
{relation2: 'relation2Include'},
{relation1: true}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge array & array values to object', function () {
var baseInclude = ['relation1'];
var updateInclude = ['relation2'];
var expectedInclude = [
{relation2: true},
{relation1: true}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge array & object values to object', function () {
var baseInclude = ['relation1'];
var updateInclude = {relation2: 'relation2Include'};
var expectedInclude = [
{relation2: 'relation2Include'},
{relation1: true}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge object & object values to object', function () {
var baseInclude = {relation1: 'relation1Include'};
var updateInclude = {relation2: 'relation2Include'};
var expectedInclude = [
{relation2: 'relation2Include'},
{relation1: 'relation1Include'}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Override property collision with update value', function () {
var baseInclude = {relation1: 'baseValue'};
var updateInclude = {relation1: 'updateValue'};
var expectedInclude = [
{relation1: 'updateValue'}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge string includes & include with relation syntax properly',
function () {
var baseInclude = 'relation1';
var updateInclude = {relation: 'relation1'};
var expectedInclude = [
{relation: 'relation1'}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge string includes & include with scope properly', function () {
var baseInclude = 'relation1';
var updateInclude = {
relation: 'relation1',
scope: {include: 'relation2'}
};
var expectedInclude = [
{relation: 'relation1', scope: {include: 'relation2'}}
];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge includes with and without relation syntax properly',
function () {
//w & w/o relation syntax - no collision
var baseInclude = ['relation2'];
var updateInclude = {
relation: 'relation1',
scope: {include: 'relation2'}
};
var expectedInclude = [{
relation: 'relation1',
scope: {include: 'relation2'}
}, {relation2: true}];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
//w & w/o relation syntax - collision
baseInclude = ['relation1'];
updateInclude = {relation: 'relation1', scope: {include: 'relation2'}};
expectedInclude =
[{relation: 'relation1', scope: {include: 'relation2'}}];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
//w & w/o relation syntax - collision
baseInclude = {relation: 'relation1', scope: {include: 'relation2'}};
updateInclude = ['relation1'];
expectedInclude = [{relation1: true}];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
it('Merge includes with mixture of strings, arrays & objects properly', function () {
var baseInclude = ['relation1', {relation2: true},
{relation: 'relation3', scope: {where: {id: 'some id'}}},
{relation: 'relation5', scope: {where: {id: 'some id'}}}
];
var updateInclude = ['relation4', {relation3: true},
{relation: 'relation2', scope: {where: {id: 'some id'}}}];
var expectedInclude = [{relation4: true}, {relation3: true},
{relation: 'relation2', scope: {where: {id: 'some id'}}},
{relation1: true},
{relation: 'relation5', scope: {where: {id: 'some id'}}}];
checkInputOutput(baseInclude, updateInclude, expectedInclude);
});
});