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<?php
class Select_test extends CI_TestCase {
/**
* @var object Database/Query Builder holder
*/
protected $db;
public function set_up()
{
$this->db = Mock_Database_Schema_Skeleton::init(DB_DRIVER);
Mock_Database_Schema_Skeleton::create_tables();
Mock_Database_Schema_Skeleton::create_data();
}
// ------------------------------------------------------------------------
/**
* @see ./mocks/schema/skeleton.php
*/
public function test_select_only_one_collumn()
{
$jobs_name = $this->db->select('name')
->get('job')
->result_array();
// Check rows item
$this->assertArrayHasKey('name',$jobs_name[0]);
$this->assertArrayNotHasKey('id', $jobs_name[0]);
$this->assertArrayNotHasKey('description', $jobs_name[0]);
}
// ------------------------------------------------------------------------
/**
* @see ./mocks/schema/skeleton.php
*/
public function test_select_min()
{
$job_min = $this->db->select_min('id')
->get('job')
->row();
// Minimum id was 1
$this->assertEquals('1', $job_min->id);
}
// ------------------------------------------------------------------------
/**
* @see ./mocks/schema/skeleton.php
*/
public function test_select_max()
{
$job_max = $this->db->select_max('id')
->get('job')
->row();
// Maximum id was 4
$this->assertEquals('4', $job_max->id);
}
// ------------------------------------------------------------------------
/**
* @see ./mocks/schema/skeleton.php
*/
public function test_select_avg()
{
$job_avg = $this->db->select_avg('id')
->get('job')
->row();
// Average should be 2.5
$this->assertEquals(2.5, (float) $job_avg->id);
}
// ------------------------------------------------------------------------
/**
* @see ./mocks/schema/skeleton.php
*/
public function test_select_sum()
{
$job_sum = $this->db->select_sum('id')
->get('job')
->row();
// Sum of ids should be 10
$this->assertEquals('10', $job_sum->id);
}
}
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