public function testGetPairs()
{
// Cleanup
Keyword::deleteAll();
$core_field_key = 'name';
$numeric_field_key = 'heat_level';
$string_field_key = 'external_url';
// Cleanup
Keyword::deleteAll();
// Create posts
$expected_pairs = array();
for ($i = 0; $i < 50; $i++) {
$keyword = new Keyword();
$keyword->{$core_field_key} = 'keyword_' . str_pad($i, 5, '0', STR_PAD_LEFT);
$keyword->{$string_field_key} = $i;
$keyword->{$numeric_field_key} = $i;
$term_id = $keyword->save();
$expected_pairs[$term_id] = 'keyword_' . str_pad($i, 5, '0', STR_PAD_LEFT);
}
// getPairs
$pairs = Keyword::getPairs();
$this->assertEquals(50, count($pairs));
$this->assertEquals($expected_pairs, $pairs);
// limit
$pairs = Keyword::getPairs(array('number' => 5));
$this->assertEquals(5, count($pairs));
// getPairs by core field
$core_expected_pairs = array_slice($expected_pairs, 0, 15, true);
$pairs = Keyword::getPairsBy($core_field_key, 'keyword_' . str_pad(15, 5, '0', STR_PAD_LEFT), '<');
asort($pairs);
asort($core_expected_pairs);
$this->assertEquals($core_expected_pairs, $pairs);
// getPairsBy meta field numeric
$pairs = Keyword::getPairsBy($numeric_field_key, 20, '<');
$this->assertEquals(20, count($pairs));
$this->assertEquals(array_slice($expected_pairs, 0, 20, true), $pairs);
// getPairsBy meta field string
$string_meta_expected_pairs = array_slice($expected_pairs, 0, 15, true);
$pairs = Keyword::getPairsBy($string_field_key, 15, '<');
asort($pairs);
asort($string_meta_expected_pairs);
$this->assertEquals($string_meta_expected_pairs, $pairs);
}