class TableSortTest

class TableSortTest extends DrupalUnitTestCase {
    
    /**
     * Storage for initial value of $_GET.
     *
     * @var array
     */
    protected $GET = array();
    public static function getInfo() {
        return array(
            'name' => 'Tablesort',
            'description' => 'Tests table sorting.',
            'group' => 'System',
        );
    }
    function setUp() {
        // Save the original $_GET to be restored later.
        $this->GET = $_GET;
        parent::setUp();
    }
    function tearDown() {
        // Revert $_GET.
        $_GET = $this->GET;
        parent::tearDown();
    }
    
    /**
     * Test tablesort_init().
     */
    function testTableSortInit() {
        // Test simple table headers.
        $headers = array(
            'foo',
            'bar',
            'baz',
        );
        // Reset $_GET to prevent parameters from Simpletest and Batch API ending
        // up in $ts['query'].
        $_GET = array(
            'q' => 'jahwohl',
        );
        $expected_ts = array(
            'name' => 'foo',
            'sql' => '',
            'sort' => 'asc',
            'query' => array(),
        );
        $ts = tablesort_init($headers);
        $this->verbose(strtr('$ts: <pre>!ts</pre>', array(
            '!ts' => check_plain(var_export($ts, TRUE)),
        )));
        $this->assertEqual($ts, $expected_ts, 'Simple table headers sorted correctly.');
        // Test with simple table headers plus $_GET parameters that should _not_
        // override the default.
        $_GET = array(
            'q' => 'jahwohl',
            // This should not override the table order because only complex
            // headers are overridable.
'order' => 'bar',
        );
        $ts = tablesort_init($headers);
        $this->verbose(strtr('$ts: <pre>!ts</pre>', array(
            '!ts' => check_plain(var_export($ts, TRUE)),
        )));
        $this->assertEqual($ts, $expected_ts, 'Simple table headers plus non-overriding $_GET parameters sorted correctly.');
        // Test with simple table headers plus $_GET parameters that _should_
        // override the default.
        $_GET = array(
            'q' => 'jahwohl',
            'sort' => 'DESC',
            // Add an unrelated parameter to ensure that tablesort will include
            // it in the links that it creates.
'alpha' => 'beta',
        );
        $expected_ts['sort'] = 'desc';
        $expected_ts['query'] = array(
            'alpha' => 'beta',
        );
        $ts = tablesort_init($headers);
        $this->verbose(strtr('$ts: <pre>!ts</pre>', array(
            '!ts' => check_plain(var_export($ts, TRUE)),
        )));
        $this->assertEqual($ts, $expected_ts, 'Simple table headers plus $_GET parameters sorted correctly.');
        // Test complex table headers.
        $headers = array(
            'foo',
            array(
                'data' => '1',
                'field' => 'one',
                'sort' => 'asc',
                'colspan' => 1,
            ),
            array(
                'data' => '2',
                'field' => 'two',
                'sort' => 'desc',
            ),
        );
        // Reset $_GET from previous assertion.
        $_GET = array(
            'q' => 'jahwohl',
            'order' => '2',
        );
        $ts = tablesort_init($headers);
        $expected_ts = array(
            'name' => '2',
            'sql' => 'two',
            'sort' => 'desc',
            'query' => array(),
        );
        $this->verbose(strtr('$ts: <pre>!ts</pre>', array(
            '!ts' => check_plain(var_export($ts, TRUE)),
        )));
        $this->assertEqual($ts, $expected_ts, 'Complex table headers sorted correctly.');
        // Test complex table headers plus $_GET parameters that should _not_
        // override the default.
        $_GET = array(
            'q' => 'jahwohl',
            // This should not override the table order because this header does not
            // exist.
'order' => 'bar',
        );
        $ts = tablesort_init($headers);
        $expected_ts = array(
            'name' => '1',
            'sql' => 'one',
            'sort' => 'asc',
            'query' => array(),
        );
        $this->verbose(strtr('$ts: <pre>!ts</pre>', array(
            '!ts' => check_plain(var_export($ts, TRUE)),
        )));
        $this->assertEqual($ts, $expected_ts, 'Complex table headers plus non-overriding $_GET parameters sorted correctly.');
        unset($_GET['sort'], $_GET['order'], $_GET['alpha']);
        // Test complex table headers plus $_GET parameters that _should_
        // override the default.
        $_GET = array(
            'q' => 'jahwohl',
            'order' => '1',
            'sort' => 'ASC',
            // Add an unrelated parameter to ensure that tablesort will include
            // it in the links that it creates.
'alpha' => 'beta',
        );
        $expected_ts = array(
            'name' => '1',
            'sql' => 'one',
            'sort' => 'asc',
            'query' => array(
                'alpha' => 'beta',
            ),
        );
        $ts = tablesort_init($headers);
        $this->verbose(strtr('$ts: <pre>!ts</pre>', array(
            '!ts' => check_plain(var_export($ts, TRUE)),
        )));
        $this->assertEqual($ts, $expected_ts, 'Complex table headers plus $_GET parameters sorted correctly.');
        unset($_GET['sort'], $_GET['order'], $_GET['alpha']);
    }

}