public function testQuery(callable $cb, array $maps)
{
$db = $this->EasyDBExpectedFromCallable($cb);
$table = 'irrelevant_but_valid_tablename';
$first = $maps[0];
// Let's make sure our keys are escaped.
$keys = \array_keys($first);
foreach ($keys as $i => $v) {
$keys[$i] = $db->escapeIdentifier($v);
}
foreach ($maps as $params) {
$queryString = "INSERT INTO " . $db->escapeIdentifier($table) . " (";
// Now let's append a list of our columns.
$queryString .= \implode(', ', $keys);
// This is the middle piece.
$queryString .= ") VALUES (";
// Now let's concatenate the ? placeholders
$queryString .= \implode(', ', \array_map(function ($val) use($db) {
return $db->quote($val);
}, $params));
// Necessary to close the open ( above
$queryString .= ");";
$this->assertInstanceOf(PDOStatement::class, $db->query($queryString));
}
}