recoder-code
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Complete AI-powered development platform with ML model training, plugin registry, real-time collaboration, monitoring, infrastructure automation, and enterprise deployment capabilities
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JavaScript
var expect = require('chai').expect;
var async = require('async');
var util = require('../util');
module.exports = function(options) {
var getQuery = options.getQuery;
describe('client query', function() {
before(function() {
this.matchAllDbQuery = getQuery({query: {}});
});
['createFetchQuery', 'createSubscribeQuery'].forEach(function(method) {
it(method + ' on an empty collection', function(done) {
var connection = this.backend.connect();
connection[method]('dogs', this.matchAllDbQuery, null, function(err, results) {
if (err) return done(err);
expect(results).eql([]);
done();
});
});
it(method + ' on collection with fetched docs', function(done) {
var connection = this.backend.connect();
var matchAllDbQuery = this.matchAllDbQuery;
async.parallel([
function(cb) {
connection.get('dogs', 'fido').create({age: 3}, cb);
},
function(cb) {
connection.get('dogs', 'spot').create({age: 5}, cb);
},
function(cb) {
connection.get('cats', 'finn').create({age: 2}, cb);
}
], function(err) {
if (err) return done(err);
connection[method]('dogs', matchAllDbQuery, null, function(err, results) {
if (err) return done(err);
var sorted = util.sortById(results);
expect(util.pluck(sorted, 'id')).eql(['fido', 'spot']);
expect(util.pluck(sorted, 'data')).eql([{age: 3}, {age: 5}]);
done();
});
});
});
it(method + ' on collection with unfetched docs', function(done) {
var connection = this.backend.connect();
var connection2 = this.backend.connect();
var matchAllDbQuery = this.matchAllDbQuery;
async.parallel([
function(cb) {
connection.get('dogs', 'fido').create({age: 3}, cb);
},
function(cb) {
connection.get('dogs', 'spot').create({age: 5}, cb);
},
function(cb) {
connection.get('cats', 'finn').create({age: 2}, cb);
}
], function(err) {
if (err) return done(err);
connection2[method]('dogs', matchAllDbQuery, null, function(err, results) {
if (err) return done(err);
var sorted = util.sortById(results);
expect(util.pluck(sorted, 'id')).eql(['fido', 'spot']);
expect(util.pluck(sorted, 'data')).eql([{age: 3}, {age: 5}]);
done();
});
});
});
it(method + ' on collection with one fetched doc', function(done) {
var connection = this.backend.connect();
var connection2 = this.backend.connect();
var matchAllDbQuery = this.matchAllDbQuery;
async.parallel([
function(cb) {
connection.get('dogs', 'fido').create({age: 3}, cb);
},
function(cb) {
connection.get('dogs', 'spot').create({age: 5}, cb);
},
function(cb) {
connection.get('cats', 'finn').create({age: 2}, cb);
}
], function(err) {
if (err) return done(err);
connection2.get('dogs', 'fido').fetch(function(err) {
if (err) return done(err);
connection2[method]('dogs', matchAllDbQuery, null, function(err, results) {
if (err) return done(err);
var sorted = util.sortById(results);
expect(util.pluck(sorted, 'id')).eql(['fido', 'spot']);
expect(util.pluck(sorted, 'data')).eql([{age: 3}, {age: 5}]);
done();
});
});
});
});
it(method + ' on collection with one fetched doc missing an op', function(done) {
var connection = this.backend.connect();
var connection2 = this.backend.connect();
var matchAllDbQuery = this.matchAllDbQuery;
async.parallel([
function(cb) {
connection.get('dogs', 'fido').create({age: 3}, cb);
},
function(cb) {
connection.get('dogs', 'spot').create({age: 5}, cb);
},
function(cb) {
connection.get('cats', 'finn').create({age: 2}, cb);
}
], function(err) {
if (err) return done(err);
connection2.get('dogs', 'fido').fetch(function(err) {
if (err) return done(err);
connection.get('dogs', 'fido').submitOp([{p: ['age'], na: 1}], function(err) {
if (err) return done(err);
// The results option is meant for making resubscribing more
// efficient and has no effect on query fetching
var options = {
results: [
connection2.get('dogs', 'fido'),
connection2.get('dogs', 'spot')
]
};
connection2[method]('dogs', matchAllDbQuery, options, function(err, results) {
if (err) return done(err);
var sorted = util.sortById(results);
expect(util.pluck(sorted, 'id')).eql(['fido', 'spot']);
expect(util.pluck(sorted, 'data')).eql([{age: 4}, {age: 5}]);
done();
});
});
});
});
});
it(method + ' on collection with readSnapshots rejectSnapshotRead', function(done) {
var backend = this.backend;
var connection = backend.connect();
var connection2 = backend.connect();
var matchAllDbQuery = this.matchAllDbQuery;
async.parallel([
function(cb) {
connection.get('dogs', 'fido').create({age: 3}, cb);
},
function(cb) {
connection.get('dogs', 'spot').create({age: 5}, cb);
},
function(cb) {
connection.get('cats', 'finn').create({age: 2}, cb);
}
], function(err) {
if (err) return done(err);
backend.use('readSnapshots', function(context, cb) {
expect(context.snapshots).to.be.an('array').of.length(2);
context.rejectSnapshotRead(context.snapshots[0], new Error('Failed to fetch dog'));
cb();
});
// Queries have no way of supporting partial readSnapshots rejections, so the entire query
// fails if at least one of the snapshots has an error.
connection2[method]('dogs', matchAllDbQuery, null, function(err, results) {
expect(err).to.be.an('error').with.property('code', 'ERR_SNAPSHOT_READS_REJECTED');
expect(results).to.equal(undefined);
done();
});
});
});
});
});
};