/**
* Test 'page', 'order_by' and 'mode' parametes of the apiList() method, and search by title.
*/
public function testProblemListPager()
{
// Create a user and some problems with submissions for the tests.
$contestant = UserFactory::createUser();
for ($i = 0; $i < 6; $i++) {
$problemData[$i] = ProblemsFactory::createProblem(null, null, 1);
$runs = $i / 2;
for ($r = 0; $r < $runs; $r++) {
$runData = RunsFactory::createRunToProblem($problemData[$i], $contestant);
$points = rand(0, 100);
$verdict = 'WA';
if ($points > 0) {
$verdict = $points == 100 ? 'AC' : 'PA';
}
RunsFactory::gradeRun($runData, $points / 100, $verdict);
}
}
$request = new Request();
$request['auth_token'] = $this->login($contestant);
$response = ProblemController::apiList($request);
// Test search by title
$titles = array();
foreach ($response['results'] as $problem) {
array_push($titles, $problem['title']);
}
foreach ($titles as $title) {
$request['query'] = $title;
$response = ProblemController::apiList($request);
$this->assertTrue(count($response['results']) == 1);
$this->assertTrue($title === $response['results'][0]['title']);
}
$request['query'] = null;
$response = ProblemController::apiList($request);
$total = $response['total'];
$pages = intval(($total + PROBLEMS_PER_PAGE - 1) / PROBLEMS_PER_PAGE);
// The following tests will try the different scenarios that can occur
// with the additions of the three features to apiList(), that is, paging,
// order by column and order mode: Call apiList() with and without
// pagination, for each allowed ordering and each possible order mode.
$modes = array('asc', 'desc');
$columns = array('title', 'submissions', 'accepted', 'ratio', 'points', 'score');
$counter = 0;
for ($paging = 0; $paging <= 1; $paging++) {
foreach ($columns as $col) {
foreach ($modes as $mode) {
$first = null;
$last = null;
$request['mode'] = $mode;
$request['order_by'] = $col;
if ($paging == 1) {
// Clear offset and rowcount if set.
if (isset($request['offset'])) {
unset($request['offset']);
}
if (isset($request['rowcount'])) {
unset($request['rowcount']);
}
$request['page'] = 1;
$response = ProblemController::apiList($request);
$first = $response['results'];
$request['page'] = $pages;
$response = ProblemController::apiList($request);
$last = $response['results'];
// Test number of problems per page
$this->assertEquals(PROBLEMS_PER_PAGE, count($first));
} else {
$request['page'] = null;
$response = ProblemController::apiList($request);
$first = $response['results'];
$last = $first;
}
$i = 0;
$j = count($last) - 1;
if ($col === 'title') {
$comp = strcmp($first[$i]['title'], $last[$j]['title']);
if ($mode === 'asc') {
$this->assertTrue($comp <= 0);
} else {
$this->assertTrue($comp >= 0);
}
} else {
if ($mode === 'asc') {
$this->assertTrue($first[$i][$col] <= $last[$j][$col]);
} else {
$this->assertTrue($first[$i][$col] >= $last[$j][$col]);
}
}
}
}
}
}
<?php
require_once "../server/bootstrap.php";
$r = new Request();
$mode = isset($_GET['mode']) ? $_GET['mode'] : 'asc';
$page = isset($_GET['page']) ? intval($_GET['page']) : 1;
$order_by = isset($_GET['order_by']) ? $_GET['order_by'] : 'title';
$r['page'] = $page;
$r['order_by'] = $order_by;
$r['mode'] = $mode;
if (!empty($_GET['tag'])) {
$r['tag'] = $_GET['tag'];
}
$keyword = '';
if (!empty($_GET['query']) && strlen($_GET['query']) > 0) {
$keyword = substr($_GET['query'], 0, 256);
$r['query'] = $keyword;
}
$response = ProblemController::apiList($r);
$params = array('query' => $keyword, 'order_by' => $order_by, 'mode' => $mode);
if (!empty($_GET['tag'])) {
$params['tag'] = $_GET['tag'];
}
$pager_items = Pager::paginate($response['total'], $page, '/problem/list/', 5, $params);
$smarty->assign('KEYWORD', $keyword);
$smarty->assign('MODE', $mode);
$smarty->assign('ORDER_BY', $order_by);
$smarty->assign('problems', $response['results']);
$smarty->assign('pager_items', $pager_items);
$smarty->display('../templates/problems.tpl');
