node-query/node_modules/pg/test/integration/connection/notification-tests.js

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var helper = require(__dirname + '/test-helper');
//http://www.postgresql.org/docs/8.3/static/libpq-notify.html
test('recieves notification from same connection with no payload', function() {
helper.connect(function(con) {
con.query('LISTEN boom');
assert.emits(con, 'readyForQuery', function() {
con.query("NOTIFY boom");
assert.emits(con, 'notification', function(msg) {
assert.equal(msg.payload, "");
assert.equal(msg.channel, 'boom')
con.end();
});
});
});
});