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

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var helper = require(__dirname + "/../test-helper");
var pg = require(__dirname + "/../../../lib");
pg = pg;
//first make pool hold 2 clients
pg.defaults.poolSize = 2;
//get first client
pg.connect(helper.config, assert.success(function(client, done) {
client.id = 1;
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client.query('SELECT NOW()', function() {
pg.connect(helper.config, assert.success(function(client2, done2) {
client2.id = 2;
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var pidColName = 'procpid';
helper.versionGTE(client2, '9.2.0', assert.success(function(isGreater) {
var killIdleQuery = 'SELECT pid, (SELECT pg_terminate_backend(pid)) AS killed FROM pg_stat_activity WHERE state = $1';
var params = ['idle'];
if(!isGreater) {
killIdleQuery = 'SELECT procpid, (SELECT pg_terminate_backend(procpid)) AS killed FROM pg_stat_activity WHERE current_query LIKE $1';
params = ['%IDLE%']
}
//subscribe to the pg error event
assert.emits(pg, 'error', function(error, brokenClient) {
assert.ok(error);
assert.ok(brokenClient);
assert.equal(client.id, brokenClient.id);
});
//kill the connection from client
client2.query(killIdleQuery, params, assert.success(function(res) {
//check to make sure client connection actually was killed
//return client2 to the pool
done2();
pg.end();
}));
}));
}));
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})
}));