loopback-connector-mysql/test/connection.test.js

111 lines
3.2 KiB
JavaScript

require('./init.js');
var assert = require('assert');
var db, DummyModel, odb;
describe('connections', function () {
before(function () {
require('./init.js');
odb = getDataSource({collation: 'utf8_general_ci', createDatabase: true});
db = odb;
});
it('should use utf8 charset', function (done) {
var test_set = /utf8/;
var test_collo = /utf8_general_ci/;
var test_set_str = 'utf8';
var test_set_collo = 'utf8_general_ci';
charsetTest(test_set, test_collo, test_set_str, test_set_collo, done);
});
it('should disconnect first db', function (done) {
db.disconnect(function () {
odb = getDataSource();
done();
});
});
it('should use latin1 charset', function (done) {
var test_set = /latin1/;
var test_collo = /latin1_general_ci/;
var test_set_str = 'latin1';
var test_set_collo = 'latin1_general_ci';
charsetTest(test_set, test_collo, test_set_str, test_set_collo, done);
});
it('should drop db and disconnect all', function (done) {
db.connector.execute('DROP DATABASE IF EXISTS ' + db.settings.database, function (err) {
db.disconnect(function () {
done();
});
});
});
});
function charsetTest(test_set, test_collo, test_set_str, test_set_collo, done) {
query('DROP DATABASE IF EXISTS ' + odb.settings.database, function (err) {
assert.ok(!err);
odb.disconnect(function () {
db = getDataSource({collation: test_set_collo, createDatabase: true});
DummyModel = db.define('DummyModel', {string: String});
db.automigrate(function () {
var q = 'SELECT DEFAULT_COLLATION_NAME' +
' FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = ' +
db.driver.escape(db.settings.database) + ' LIMIT 1';
db.connector.execute(q, function (err, r) {
assert.ok(!err);
assert.ok(r[0].DEFAULT_COLLATION_NAME.match(test_collo));
db.connector.execute('SHOW VARIABLES LIKE "character_set%"', function (err, r) {
assert.ok(!err);
var hit_all = 0;
for (var result in r) {
hit_all += matchResult(r[result], 'character_set_connection', test_set);
hit_all += matchResult(r[result], 'character_set_database', test_set);
hit_all += matchResult(r[result], 'character_set_results', test_set);
hit_all += matchResult(r[result], 'character_set_client', test_set);
}
assert.equal(hit_all, 4);
});
db.connector.execute('SHOW VARIABLES LIKE "collation%"', function (err, r) {
assert.ok(!err);
var hit_all = 0;
for (var result in r) {
hit_all += matchResult(r[result], 'collation_connection', test_set);
hit_all += matchResult(r[result], 'collation_database', test_set);
}
assert.equal(hit_all, 2);
done();
});
});
});
});
});
}
function matchResult(result, variable_name, match) {
if (result.Variable_name === variable_name) {
assert.ok(result.Value.match(match));
return 1;
}
return 0;
}
var query = function (sql, cb) {
odb.connector.execute(sql, cb);
};