chore: improve tests by adding more SQL scenarios and adding descriptions to the tested query variations

Author: martin-georgiev

tests/MartinGeorgiev/Doctrine/ORM/Query/AST/Functions/JsonArrayLengthTest.php

@@ -19,14 +19,16 @@ protected function getStringFunctions(): array
     protected function getExpectedSqlStatements(): array
     {
         return [
-            'SELECT json_array_length(c0_.object1) AS sclr_0 FROM ContainsJsons c0_',
+            'gets length of top-level array' => 'SELECT json_array_length(c0_.object1) AS sclr_0 FROM ContainsJsons c0_',
+            'gets length from literal json' => "SELECT json_array_length('{\"iso_3166_a3_code\":\"BGR\"}') AS sclr_0 FROM ContainsJsons c0_",
         ];
     }
 
     protected function getDqlStatements(): array
     {
         return [
-            \sprintf('SELECT JSON_ARRAY_LENGTH(e.object1) FROM %s e', ContainsJsons::class),
+            'gets length of top-level array' => \sprintf('SELECT JSON_ARRAY_LENGTH(e.object1) FROM %s e', ContainsJsons::class),
+            'gets length from literal json' => \sprintf("SELECT JSON_ARRAY_LENGTH('{\"iso_3166_a3_code\":\"BGR\"}') FROM %s e", ContainsJsons::class),
         ];
     }
 }