<?php

/**
 * Test class for garbage collection of VDE export data.
 */
class ViewsDataExportGarbageCollectionTest extends ViewsDataExportBaseTest {

  protected $profile = 'testing';

  public static function getInfo() {
    return array(
      'name' => 'Garbage collection',
      'description' => 'Checks garbage collection of batched exports',
      'group' => 'Views Data Export',
    );
  }

  /**
   * Test that VDE export can only be downloaded by the user that created them.
   */
  public function testExportedGarbageCollection() {
    // Run a batched export.
    $path = 'vde_test/' . $this->randomName();
    list($view, $expected) = $this->getExportView($path);
    $display = &$view->display['vde_test']->handler;
    // Set this view to be batched.
    $display->override_option('use_batch', 'batch');
    // Save this view so we can hit the path.
    $view->save();
    // Ensure that the menu router system is rebuilt on the next page load.
    variable_set('menu_rebuild_needed', TRUE);
    $exports = $this->getNumberOfStoredExports();
    $files = $this->getNumberOfFiles();
    $this->assertBatchedExportEqual($path, $expected, 'Batched access export matched expected output.');
    // We should have created a new export and file.
    $this->assertEqual($this->getNumberOfStoredExports(), $exports + 1, 'A single new batched export was created');
    $this->assertEqual($this->getNumberOfFiles(), $files + 1, 'A single new temporary file was created');

    $middle_timestamp = time();
    sleep(1);
    $this->assertBatchedExportEqual($path, $expected, 'Batched access export matched expected output.');
    // We should have created a new export and file.
    $this->assertEqual($this->getNumberOfStoredExports(), $exports + 2, 'A single new batched export was created');
    $this->assertEqual($this->getNumberOfFiles(), $files + 2, 'A single new temporary file was created');

    // Garbage collect the first export only.
    views_data_export_garbage_collect(REQUEST_TIME - $middle_timestamp);
    $this->assertEqual($this->getNumberOfStoredExports(), $exports + 1, 'Garbage collection removed 1 old export');
    $this->assertEqual($this->getNumberOfFiles(), $files + 1, 'Garbage collection removed 1 old temporary file');
  }

  protected function getNumberOfStoredExports() {
    return (int) db_select('views_data_export')->countQuery()->execute()->fetchField();
  }

  protected function getNumberOfFiles() {
    return (int) db_select('file_managed')->countQuery()->execute()->fetchField();
  }


  /**
   * Build and return a basic view of the views_test table.
   *
   * @return view
   */
  protected function getBasicExportView() {
    views_include('view');

    // Create the basic view.
    $view = new view();
    $view->vid = 'new';
    $view->base_table = 'views_test';

    // Set up the fields we need.
    $display = $view->new_display('default', 'Master', 'default');

    $display->override_option('fields', array(
      'id' => array(
        'id' => 'id',
        'table' => 'views_test',
        'field' => 'id',
        'relationship' => 'none',
      ),
      'name' => array(
        'id' => 'name',
        'table' => 'views_test',
        'field' => 'name',
        'relationship' => 'none',
      ),
      'age' => array(
        'id' => 'age',
        'table' => 'views_test',
        'field' => 'age',
        'relationship' => 'none',
      ),
    ));

    // Set up the sort order.
    $display->override_option('sorts', array(
      'id' => array(
        'order' => 'ASC',
        'id' => 'id',
        'table' => 'views_test',
        'field' => 'id',
        'relationship' => 'none',
      ),
    ));

    // Set up the pager.
    $display->override_option('pager', array(
      'type' => 'none',
      'options' => array('offset' => 0),
    ));

    return $view;
  }

  protected function getStylePluginName() {
    return 'views_data_export_txt';
  }

  protected function getExportView($path = 'vde_test') {
    // Create the basic view.
    $view = $this->getBasicExportView();

    $display = $view->new_display('views_data_export', 'Data export', 'vde_test');
    $display->override_option('style_plugin', $this->getStylePluginName());
    $display->override_option('path', $path);

    $expected = '[ID]

1
[Name]

John
[Age]

25
----------------------------------------

[ID]

2
[Name]

George
[Age]

27
----------------------------------------

[ID]

3
[Name]

Ringo
[Age]

28
----------------------------------------

[ID]

4
[Name]

Paul
[Age]

26
----------------------------------------

[ID]

5
[Name]

Meredith
[Age]

30
----------------------------------------';

    return array(&$view, $expected);
  }
}