U
    œËúg(  ã                   @  s\   d dl mZ d dlmZ d dlZer,d dlZddœdd„Zddœd	d
„Zdddœdd„ZdS )é    )Úannotations)ÚTYPE_CHECKINGNztuple[tuple[str, int], ...])Úreturnc               
   ƒ  s`   g ‰ dddœ‡ fdd„} t  ¡ 4 I dH š$}tdƒD ]}| | t|ƒ¡ q2W 5 Q I dH R X tˆ ƒS )zDReturns a scheduler-dependent value we can use to check determinism.ÚstrÚNone)Únamer   c                 “  s0   t dƒD ]"}ˆ  | |f¡ tj ¡ I d H  qd S )Né2   )ÚrangeÚappendÚtrioZlowlevelÚ
checkpoint)r   Úi©Útrace© úJ/tmp/pip-unpacked-wheel-ks04xdmi/trio/_tests/test_scheduler_determinism.pyÚtracer   s    zscheduler_trace.<locals>.tracerNé   )r   Zopen_nurseryr	   Z
start_soonr   Útuple)r   Znurseryr   r   r   r   Úscheduler_trace   s    "r   r   c                  C  s.   dd„ t dƒD ƒ} tt| ƒƒt| ƒks*t‚d S )Nc                 S  s   g | ]}t  t¡‘qS r   )r   Úrunr   )Ú.0Ú_r   r   r   Ú
<listcomp>   s     z@test_the_trio_scheduler_is_not_deterministic.<locals>.<listcomp>é
   )r	   ÚlenÚsetÚAssertionError)Útracesr   r   r   Ú,test_the_trio_scheduler_is_not_deterministic   s    r   zpytest.MonkeyPatch)Úmonkeypatchr   c              
   C  s’   |   tjjdd¡ g }tdƒD ]J}tjjj ¡ }z$tjjj d¡ | 	t 
t¡¡ W 5 tjjj |¡ X qt|ƒdkszt‚tt|ƒƒdksŽt‚d S )NZ_ALLOW_DETERMINISTIC_SCHEDULINGTr   r   é   )Úsetattrr   Z_coreZ_runr	   Ú_rÚgetstateÚsetstateÚseedr
   r   r   r   r   r   )r    r   r   Ústater   r   r   Ú2test_the_trio_scheduler_is_deterministic_if_seeded!   s    r(   )	Ú
__future__r   Útypingr   r   Zpytestr   r   r(   r   r   r   r   Ú<module>   s   