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'use strict';
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require('../helper');
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var server = require('../../app/server')();
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var assert = require('../support/assert');
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var querystring = require('querystring');
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var step = require('step');
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describe('results-pagination', function() {
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var RESPONSE_OK = {
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statusCode: 200
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};
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// Test for https://github.com/Vizzuality/CartoDB-SQL-API/issues/85
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it("paging doesn't break x-cache-channel", function(done) {
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assert.response(server, {
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url: '/api/v1/sql?' + querystring.stringify({
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// note: select casing intentionally mixed
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q: 'selECT cartodb_id*3 FROM untitle_table_4',
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api_key: '1234',
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rows_per_page: 1,
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page: 2
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}),
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headers: {host: 'vizzuality.cartodb.com'},
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method: 'GET'
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}, RESPONSE_OK, function(err, res) {
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assert.equal(res.headers['x-cache-channel'], 'cartodb_test_user_1_db:public.untitle_table_4');
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var parsed = JSON.parse(res.body);
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assert.equal(parsed.rows.length, 1);
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done();
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});
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});
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// Test page and rows_per_page params
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it("paging", function(done){
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var sql = 'SELECT * FROM (VALUES(1),(2),(3),(4),(5),(6),(7),(8),(9)) t(v)';
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var pr = [ [2,3], [0,4] ]; // page and rows
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var methods = [ 'GET', 'POST' ];
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var authorized = 0;
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var testing = 0;
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var method = 0;
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// jshint maxcomplexity:7
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var testNext = function() {
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if ( testing >= pr.length ) {
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if ( method+1 >= methods.length ) {
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if ( authorized ) {
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done();
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return;
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} else {
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authorized = 1;
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method = 0;
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testing = 0;
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}
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} else {
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testing = 0;
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++method;
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}
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}
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var prcur = pr[testing++];
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console.log("Test " + testing + "/" + pr.length + " method " + methods[method] + " " +
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( authorized ? "authenticated" : "" ) );
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var page = prcur[0];
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var nrows = prcur[1];
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var data_obj = {
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q: sql,
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rows_per_page: nrows,
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page: page
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};
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if ( authorized ) {
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data_obj.api_key = '1234';
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}
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var data = querystring.stringify(data_obj);
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var req = {
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url: '/api/v1/sql',
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headers: {host: 'vizzuality.cartodb.com'}
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};
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if ( methods[method] === 'GET' ) {
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req.method = 'GET';
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req.url += '?' + data;
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} else {
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req.method = 'POST';
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req.headers['Content-Type'] = 'application/x-www-form-urlencoded';
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req.data = data;
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}
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assert.response(server, req, RESPONSE_OK, function(err, res) {
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var parsed = JSON.parse(res.body);
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assert.equal(parsed.rows.length, nrows);
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for (var i=0; i<nrows; ++i) {
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var obt = parsed.rows[i].v;
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var exp = page * nrows + i + 1;
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assert.equal(obt, exp, "Value " + i + " in page " + page + " is " + obt + ", expected " + exp);
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}
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testNext();
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});
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};
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testNext();
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});
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// Test paging with WITH queries
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it("paging starting with comment", function(done){
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var sql = "-- this is a comment\n" +
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"SELECT * FROM (VALUES(1),(2),(3),(4),(5),(6),(7),(8),(9)) t(v)";
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var nrows = 3;
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var page = 2;
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assert.response(server, {
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url: '/api/v1/sql?' + querystring.stringify({
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q: sql,
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rows_per_page: nrows,
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page: page
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}),
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headers: {host: 'vizzuality.cartodb.com'},
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method: 'GET'
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}, RESPONSE_OK, function(err, res) {
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var parsed = JSON.parse(res.body);
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assert.equal(parsed.rows.length, 3);
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for (var i=0; i<nrows; ++i) {
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var obt = parsed.rows[i].v;
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var exp = page * nrows + i + 1;
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assert.equal(obt, exp, "Value " + i + " in page " + page + " is " + obt + ", expected " + exp);
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}
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done();
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});
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});
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// See http://github.com/CartoDB/CartoDB-SQL-API/issues/127
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it('SELECT INTO with paging', function(done){
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var esc_tabname = 'test ""select into""'; // escaped ident
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step(
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function select_into() {
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var next = this;
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assert.response(server, {
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url: "/api/v1/sql?" + querystring.stringify({
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q: 'SELECT generate_series(1,10) InTO "' + esc_tabname + '"',
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rows_per_page: 1, page: 1,
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api_key: 1234
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}),
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headers: {host: 'vizzuality.cartodb.com'},
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method: 'GET'
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},RESPONSE_OK, function(err, res) { next(null, res); });
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},
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function check_res_test_fake_into_1(err) {
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assert.ifError(err);
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var next = this;
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assert.response(server, {
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url: "/api/v1/sql?" + querystring.stringify({
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q: 'SELECT \' INTO "c"\' FROM "' + esc_tabname + '"',
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rows_per_page: 1, page: 1,
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api_key: 1234
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}),
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headers: {host: 'vizzuality.cartodb.com'},
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method: 'GET'
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}, RESPONSE_OK, function(err, res) { next(null, res); });
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},
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function check_res_drop_table(err, res) {
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assert.ifError(err);
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var out = JSON.parse(res.body);
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assert.equal(out.total_rows, 1); // windowing works
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var next = this;
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assert.response(server, {
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url: "/api/v1/sql?" + querystring.stringify({
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q: 'DROP TABLE "' + esc_tabname + '"',
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api_key: 1234
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}),
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headers: {host: 'vizzuality.cartodb.com'},
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method: 'GET'
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}, RESPONSE_OK, function(err, res) { next(null, res); });
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},
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done
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);
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});
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});
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