/**
* @testdox Import rows that specify an existing PK will update existing records.
* @test
*/
public function primaryKey()
{
$testtable = $this->db->getTable('test_table');
$rec1 = $testtable->saveRecord(array('title' => 'PK Test'));
$this->assertEquals(1, $testtable->getRecordCount());
$this->assertNull($rec1->description());
// Add a field's value.
$csv = '"ID","Title","Description"' . "\r\n" . '"1","One","A description"' . "\r\n";
$uploaded = $this->saveDataFile($csv);
$csv = new \Tabulate\CSV(null, $uploaded);
$csv->loadData();
$column_map = array('id' => 'ID', 'title' => 'Title', 'description' => 'Description');
$csv->importData($testtable, $column_map);
// Make sure there's still only one record, and that it's been updated.
$this->assertEquals(1, $testtable->getRecordCount());
$rec2 = $testtable->getRecord(1);
$this->assertEquals('One', $rec2->title());
$this->assertEquals('A description', $rec2->description());
// Leave out a required field.
$csv = '"ID","Description"' . "\r\n" . '"1","New description"' . "\r\n";
$uploaded2 = $this->saveDataFile($csv);
$csv2 = new \Tabulate\CSV(null, $uploaded2);
$csv2->loadData();
$column_map2 = array('id' => 'ID', 'description' => 'Description');
$csv2->importData($testtable, $column_map2);
// Make sure there's still only one record, and that it's been updated.
$this->assertEquals(1, $testtable->getRecordCount());
$rec3 = $testtable->getRecord(1);
$this->assertEquals('One', $rec3->title());
$this->assertEquals('New description', $rec3->description());
}