node-query/node_modules/pg/test/integration/client/simple-query-tests.js

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var helper = require(__dirname+"/test-helper");
//before running this test make sure you run the script create-test-tables
test("simple query interface", function() {
var client = helper.client();
var query = client.query("select name from person order by name");
client.on('drain', client.end.bind(client));
var rows = [];
query.on('row', function(row, result) {
assert.ok(result);
rows.push(row['name']);
});
query.once('row', function(row) {
test('Can iterate through columns', function () {
var columnCount = 0;
for (column in row) {
columnCount++;
}
if ('length' in row) {
assert.lengthIs(row, columnCount, 'Iterating through the columns gives a different length from calling .length.');
}
});
});
assert.emits(query, 'end', function() {
test("returned right number of rows", function() {
assert.lengthIs(rows, 26);
});
test("row ordering", function(){
assert.equal(rows[0], "Aaron");
assert.equal(rows[25], "Zanzabar");
});
});
});
test("multiple simple queries", function() {
var client = helper.client();
client.query({ text: "create temp table bang(id serial, name varchar(5));insert into bang(name) VALUES('boom');"})
client.query("insert into bang(name) VALUES ('yes');");
var query = client.query("select name from bang");
assert.emits(query, 'row', function(row) {
assert.equal(row['name'], 'boom');
assert.emits(query, 'row', function(row) {
assert.equal(row['name'],'yes');
});
});
client.on('drain', client.end.bind(client));
});
test("multiple select statements", function() {
var client = helper.client();
client.query("create temp table boom(age integer); insert into boom(age) values(1); insert into boom(age) values(2); insert into boom(age) values(3)");
client.query({text: "create temp table bang(name varchar(5)); insert into bang(name) values('zoom');"});
var result = client.query({text: "select age from boom where age < 2; select name from bang"});
assert.emits(result, 'row', function(row) {
assert.strictEqual(row['age'], 1);
assert.emits(result, 'row', function(row) {
assert.strictEqual(row['name'], 'zoom');
});
});
client.on('drain', client.end.bind(client));
});