U
    .dX                  	   @   s  d Z ddlZddlZddlZddlZddlZddlZddlZddlZddl	Z	ddl
Z
ddlZddlZddlmZ ddlmZmZ ddlmZmZ ddlmZ ddlmZmZ ddlmZmZ dd	lmZ dd
lmZmZ ddlmZmZ ddlm Z m!Z! ddlm"Z" ddl#m$Z$m%Z%m&Z& ddl'm(Z( dddZ)dd Z*dd Z+dd Z,dd Z-e$dddgdd Z.d d! Z/d"d# Z0d$d% Z1d&d' Z2d(d) Z3d*d+ Z4d,d- Z5d.d/ Z6g fd0d1Z7d2d3 Z8e e$d4dd5gd6d7 Z9e d8d9 Z:d:d; Z;d<d= Z<d>d? Z=d@dA Z>e$dBdCgdDd5fg dEdfgdFdG Z?dHdI Z@dJdK ZAdLdM ZBdNdO ZCdPdQ ZDdRdS ZEdTdU ZFdVdW ZGdXdY ZHdZd[ ZId\d] ZJd^d_ ZKd`da ZLdbdc ZMdddedfdgdhZNeOePePdidjdkZQdldm ZRdndo ZSddpdqZTdrds ZUdtdu ZVdvdw ZWdxdy ZXdzd{ ZYdd|d}ZZe"d~d Z[e"dd Z\dd Z]G dd deZ^G dd deZ_e$dde` ea gdd Zbdd Zcdd Zddd Zedd Zfdd Zgdd Zhdd Zidd Zjdd ZkdddZlejm$ddddd5ddddidgdd ZndS )z
Test the memory module.
    N)Memory)MemorizedFuncNotMemorizedFunc)MemorizedResultNotMemorizedResult)_FUNCTION_HASHES)register_store_backend_STORE_BACKENDS)_build_func_identifier_store_backend_factory)JobLibCollisionWarning)Paralleldelayed)StoreBackendBaseFileSystemStoreBackend)
with_numpynp)with_multiprocessing)parametrizeraiseswarns)hash   c                 C   s   | d | S )z3 A module-level function for testing purposes.
        xyr   r   ;/tmp/pip-unpacked-wheel-ho8k9mhl/joblib/test/test_memory.pyf)   s    r   c                 C   sZ   t |dd}|| } tdD ]6}tdD ](}| ||ks>tt||d ks*tq*qdS )z Given a function and an accumulator (a list that grows every
        time the function is called), check that the function can be
        decorated by memory to be a lazy identity.
    r   locationverbose   r   r   N)r   cacherangeAssertionErrorlen)funcaccumulatorr!   memoryi_r   r   r   check_identity_lazy1   s    
r-   c              	   C   s@   | j  \}tj|jd}t|d}|d W 5 Q R X d S )N
output.pklwgarbage)store_backend	get_itemsospathjoinopenwrite)r*   Zsingle_cache_itemZoutput_filenamer   r   r   r   corrupt_single_cache_item@   s    r8   c                    s"   g   fdd}| | d|  S )Nc                    s     |  d S Nappend)itemZrecordedr   r   append_to_recordN   s    z6monkeypatch_cached_func_warn.<locals>.append_to_recordwarn)setattr)r(   Zmonkeypatch_fixturer>   r   r=   r   monkeypatch_cached_func_warnG   s    rA   c                    s   t    fdd}t| | j dD ]}dD ]T}t| jd||d}tj| jdd ||}|d	 |jd
d t }|d	}q,t |d	 kst	|
|d	|kst	t |d	 ks$t	q$d|_t| jdd}||d	 dS )z, Simple test of memory lazy evaluation.
    c                    s     d | S Nr   r:   lr)   r   r   r   ^   s    
z"test_memory_integration.<locals>.f)FT)rN
   )r!   r"   	mmap_modecompressT)ignore_errorsr   F)r?   __main__r   r    N)listr-   strpathr   shutilrmtreer$   clearr'   r&   eval
__module__)tmpdirr   rI   rH   r*   gcurrent_accumulatoroutr   rE   r   test_memory_integrationV   s*     

rW   call_before_reducingTFc           
         s  dD ]}d}d |}ttt||dd t d }d|_|ddksPt|jj	|ks`tt
| jd	d
}|| tt| d dkstt| d d	 }d|kst| d | }|d	krt|dgkstt|d g kst|r8 d tt|d dksttdd fdddD }	n@tdd fdddD }	tt|d dkspt d tt|d dkstqtt|d dkst d tt|d dkstqd S )N)r   r   z0
        def f(x):
            return x
        z<ipython-input-{}-000000000000>exec)filenamemoder   rK   r   r   r    joblibzipython-inputr#   r   Zn_jobsc                 3   s   | ]}t  |V  qd S r9   r   .0r+   Zcached_fr   r   	<genexpr>   s     zHtest_parallel_call_cached_function_defined_in_jupyter.<locals>.<genexpr>)r   r   c                 3   s   | ]}t  |V  qd S r9   r^   r_   ra   r   r   rb      s        )formatrY   compiletextwrapdedentlocalsrR   r&   __code__co_filenamer   rM   r$   r'   r3   listdirr   )
rS   rX   Z
session_noZipython_cell_sourceZipython_cell_idZ	aliased_fr*   Zf_cache_relative_directoryZf_cache_directoryresr   ra   r   5test_parallel_call_cached_function_defined_in_jupyter   sD    





	rm   c                     s^   t    fdd} tddd}|| }tdD ](}t }|d t |d ks0tq0dS )z, Test memory with location=None: no memoize c                    s     d | S rB   r:   rC   rE   r   r   ff   s    
ztest_no_memory.<locals>.ffNr   r    rc   r   )rL   r   r$   r%   r'   r&   )rn   r*   Zggr,   rU   r   rE   r   test_no_memory   s    
ro   c                    sR   t   d
 fdd	}t| | j t| jdd}||}|ddd	dksNtdS )z4 Test memory with a function with keyword arguments.Nr   c                    s     d | S rB   r:   rD   mrE   r   r   rT      s    
ztest_memory_kwarg.<locals>.gr   r       r   rp   )Nr   )rL   r-   rM   r   r$   r&   )rS   rT   r*   r   rE   r   test_memory_kwarg   s    
rs   c                    s0   t    fddfdd}t| | j dS )z+ Test memory with a function with a lambda.c                    s     d | S z4 A helper function to define l as a lambda.
        r   r:   r   rE   r   r   helper  s    
z"test_memory_lambda.<locals>.helperc                    s    | S r9   r   ru   )rv   r   r   <lambda>      z$test_memory_lambda.<locals>.<lambda>N)rL   r-   rM   )rS   rD   r   )r)   rv   r   test_memory_lambda  s    ry   c              	   C   s   t | jdd}|jdd }|}|jdd }|}tt}|d |d W 5 Q R X t|dksftdt|d jks|tdS )	z> Check that name collisions with functions will raise warningsr   r    c                 S   s   | S )z0 A first function called name_collision
        r   ru   r   r   r   name_collision  s    z2test_memory_name_collision.<locals>.name_collisionc                 S   s   | S )z1 A second function called name_collision
        r   ru   r   r   r   rz     s    r   Z	collisionN)	r   rM   r$   r   r   r'   r&   strmessage)rS   r*   rz   abwarninfor   r   r   test_memory_name_collision  s    


r   c              	   C   s   t | jdd}dd }||}dd }||}tt6}|ddksLt|ddks\t|ddksltW 5 Q R X t|dkstd S )	Nr   r    c                 S   s   | S r9   r   ru   r   r   r   rw   2  rx   z7test_memory_warning_lambda_collisions.<locals>.<lambda>c                 S   s   | d S rB   r   ru   r   r   r   rw   4  rx   r   r   rc   )r   rM   r$   r   r   r&   r'   )rS   r*   r}   r~   r   r   r   r   %test_memory_warning_lambda_collisions/  s    


r   c              	   C   s   t | jdd}td}||}td}||}tt}|d |d |d W 5 Q R X t|dksntdt|d j	
 kstd S )Nr   r    lambda x: xzlambda x: x+1r   r   zcannot detect)r   rM   rQ   r$   r   r   r'   r&   r{   r|   lower)rS   r*   Za1Zb1r   r   r   r   'test_memory_warning_collision_detectionA  s    


r   c                    s8   t    fdd}ddl}||d}t| | j dS )z$ Test memory with functools.partial.c                    s     d |S rt   r:   r   rE   r   r   r(   W  s    
z!test_memory_partial.<locals>.funcr   Nr   )rL   	functoolspartialr-   rM   )rS   r(   r   functionr   rE   r   test_memory_partialS  s
    r   c                 C   s4   t | jdd}td}||}|ddks0tdS )zF Smoke test memory with a function with a function defined in an eval.r   r    r   r   N)r   rM   rQ   r$   r&   )rS   r*   rq   mmr   r   r   test_memory_evalc  s    
r   c                 C   s   t | }| d |S )zx A function with a side effect in its arguments.

        Return the length of its argument and append one element.
    N)r'   r;   )r   Zlen_xr   r   r   count_and_appendm  s    
r   c                 C   s8   t | jdd}|t}| dks&t| dks4tdS )zx Check that if a function has a side effect in its arguments, it
        should use the hash of changing arguments.
    r   r    r   N)r   rM   r$   r   r&   )rS   r*   r(   r   r   r   test_argument_changew  s    
r   rH   rF   c           	         s   t   d	 fdd	}t| j|dd}||}tjd}tdD ]F}|d}tdD ].}t	|||ksrt
t |d ksXt
qXqBdS )
z/ Test memory with a function with numpy arrays.Nc                    s     d | S rB   r:   rC   rE   r   r   n  s    
ztest_memory_numpy.<locals>.nr   r!   rH   r"   r#   )rG   rG   r   )N)rL   r   rM   r$   r   randomZRandomStater%   Zrandom_sampleallr&   r'   )	rS   rH   r   r*   Zcached_nZrndr+   r}   r,   r   rE   r   test_memory_numpy  s    

r   c           
      C   s   t | jddd}| dd }td}||}||}t|tjsJt|jdksXtt|tjsht|jdksvt~~t	
  t| t||}||}t|dkstd}	|	|d kstt|tjst|jdkstd	S )
z8Check that mmap_mode is respected even at the first callrF   r   r   c                 S   s   | d S Nr   r   r}   r   r   r   twice  s    z0test_memory_numpy_check_mmap_mode.<locals>.twicer#   r   Exception while loading resultsN)r   rM   r$   r   Zones
isinstanceZmemmapr&   r[   gcZcollectr8   rA   r'   )
rS   monkeypatchr*   r   r}   r~   crecorded_warningsdexception_msgr   r   r   !test_memory_numpy_check_mmap_mode  s*    


r   c              
      sf   t | jdd}G dd dt |jd
 fdd	}|  tdD ] }t  |d W 5 Q R X q@d	S )z1 Smoketest the exception handling of Memory.
    r   r    c                   @   s   e Zd ZdS )z*test_memory_exception.<locals>.MyExceptionN__name__rR   __qualname__r   r   r   r   MyException  s   r   c                    s   | r d S r9   r   )excr   r   r   h  s    z test_memory_exception.<locals>.hr#   r   N)r   )r   rM   	Exceptionr$   r%   r   )rS   r*   r   r,   r   r   r   test_memory_exception  s    
r   c                    s   t | jdd}t  |jdgdd fdd	}|jdgks@t|ddd t dks\t|ddd t dksxt|dd	d t dkstd
S )z# Test the ignore feature of memory r   r    r   ignorer   c                    s     d d S rB   r:   r   rE   r   r   z  s    ztest_memory_ignore.<locals>.zr   r   N)r   r   rM   rL   r$   r   r&   r'   )rS   r*   r   r   rE   r   test_memory_ignore  s    r   c                    s   t | jdd}t  dd }|jdgd|d fdd		}|jdgksLt|ddd
 t dksht|ddd
 t dkst|ddd
 t dkstdS )z; Test the ignore feature of memory on a decorated function r   r    c                    s   t   fdd}|S )Nc                     s
    | |S r9   r   )argskwargsr   r   r   wrapped  s    z?test_memory_ignore_decorated.<locals>.decorate.<locals>.wrapped)r   wraps)r   r   r   r   r   decorate  s    z.test_memory_ignore_decorated.<locals>.decorater   r   r   c                    s     d d S rB   r:   r   rE   r   r   r     s    z'test_memory_ignore_decorated.<locals>.zr   r   N)r   r   )rS   r*   r   r   r   rE   r   test_memory_ignore_decorated  s    r   c                 C   sT   t | jdd}|jdd }|ddks,t|dddks>t|dddksPtd	S )
z_Non-regression test against 0.12.0 changes.

    https://github.com/joblib/joblib/pull/751
    r   r    c                 S   s   | d S rB   r   r   r   r   r   plus_one  s    z,test_memory_args_as_kwargs.<locals>.plus_oner   r   r   r#   N)r   rM   r$   r&   )rS   r*   r   r   r   r   test_memory_args_as_kwargs  s    
r   zignore, verbose, mmap_moder   d   rG   c                 C   sT   t | jdd}|j|||ddd }|j|ks4t|j|ksBt|j|ksPtdS )z7Check cache may be called with kwargs before decoratingr   r    )r   r"   rH   c                 S   s   d S r9   r   ru   r   r   r   r      s    z"test_partial_decoration.<locals>.zN)r   rM   r$   r   r&   Z_verboserH   )rS   r   r"   rH   r*   r   r   r   r   test_partial_decoration  s    
r   c           	      C   s,  t | jdd}td}|d | jd	| j}|t}tt}t	j
|jj|}||ksbtt	j
|srt|jt	j
|jjkstt  | rtt	j
t	j
|dst| st|d\}}t	j
|jj||}|d}t	j
|stt	t	j
|d ||dks(td S )
Nr   r    .r   r\   zfunc_code.pyr   r.   )r\   )r   rM   r   splitr;   r5   r$   r   r
   r3   r4   r1   r!   r&   existsdirnamer   rP   _check_previous_func_code_get_output_identifiersremove)	rS   r*   r4   rT   func_idr!   args_id
output_dirr}   r   r   r   test_func_dir)  s(    


r   c           
      C   s   t | jdd}|t}|d}tt|}|d\}}tj	
|jj||}tj	|sbt||j||gkszttt|}|jj|jjkstt d dd}tt| |t}tt|}	|	d d S )Nr   r    r   )r   rM   r$   r   pickleloadsdumpsr   r3   r4   r5   r1   r!   r   r&   Z	load_item)
rS   r*   rT   outputr   r   r   r   Zmemory2Zgpr   r   r   test_persistenceI  s    

r   c                 C   s   t t| jt| jddtfD ]\}|d}|r6tt|tsDt|ddksTt|d}|sftt|tstt|	  q d S )Nr   r    r      )
r   r   rM   r   r$   Zcheck_call_in_cacher&   r   boolrP   )rS   r(   resultr   r   r   test_check_call_in_cache`  s    


r   c              
   C   s   t tt| jttt| jddttd dtfttttfD ]l\}}|ddksZt	|
d}t||srt	| dkst	|  tt |  W 5 Q R X |  qBd S )Nr   r    r!   r   r   )zipr   r   rM   r   r   r$   r   r   r&   call_and_shelver   getrP   r   KeyError)rS   r(   ZResultr   r   r   r   test_call_and_shelvem  s,     

r   c              	   C   sz   t | jddt}|d}t|ts,ttt	}|j
|jksFtW 5 Q R X t|dks`tdt|d jksvtd S )Nr   r    r   r   z1The 'argument_hash' attribute has been deprecated)r   rM   r$   r   r   r   r   r&   r   DeprecationWarningargument_hashr   r'   r{   r|   )rS   r(   r   r/   r   r   r   "test_call_and_shelve_argument_hash  s    

r   c           
      C   s  |  d}|d t|jj}td | dks<t	|t|jjkrXt
d t| jdd}|t}|d\}}tj |jj||d}|ddkst	t|j}td	 |d}	t|	tst	t|j|kst	td	 |	 dkst	t|j|kst	d
S )z6Check call_and_shelve only load stored data if needed.Ztest_accessg      ?z>filesystem does not support fine-grained access time attributer   r    r   r.   r   r   N)r5   r7   r3   statrM   st_atimetimesleepreadr&   pytestskipr   r$   r   r   r4   r1   r!   r   r   r   r   )
rS   Ztest_access_time_fileZtest_access_timer*   r(   r   r   result_pathZfirst_access_timer   r   r   r   .test_call_and_shelve_lazily_load_stored_result  s0    




  


r   c              
   C   s   t t| jttfD ]z}| dj}|d}t|d}t|| W 5 Q R X t|d}t	|}W 5 Q R X |
 |
 kstt| qd S )Nzpickling_test.datr   wbrb)r   r   rM   r   r5   r   r6   r   dumploadr   r&   r3   r   )rS   r(   rZ   r   fpresult2r   r   r   test_memorized_pickling  s    
r   c                 C   s
  t t| j}|d}t t| j}|d}| | ks@tt|t|ksTttt}t| t|d t t| jdt d}|d}|  t t| jdd}|d}|  t t| jdt d}|d}|  t t| jdd}|d}|  d S )Nr      )r"   	timestamp)r"   r   )	r   r   rM   r   r   r&   reprr   r   )rS   r(   r   Zfunc2r   r   r   r   test_memorized_repr  s*    





r   c              	   C   sX  | dj}tj|d}d}t|d}|| W 5 Q R X || dd l}t	|jdd}|
|j}	|	d |	d |	d t|d}|d	|  W 5 Q R X |	d |	d t| t | d
}t|d}|| W 5 Q R X |	d |	d tjd tjd dd l}|
|j}	|	d |	d |  \}
}|
dksTtd S )NZ
tmp_importztmp_joblib_.pyz$def f(x):
    print(x)
    return x
r/   r   r    r   r   z

z-def f(x):
    print("x=%s" % x)
    return x
z
Reloading
tmp_joblib_z1
2
Reloading
x=1
)mkdirrM   r3   r4   r5   r6   r7   Zsyspath_prependr   r   r$   r   rN   rO   sysstdoutmodulespop
readouterrr&   )ZcapsysrS   r   Zdir_namerZ   contentZmodule_filetmpr*   r   rV   errr   r   r   test_memory_file_modification  s>    


r   c                 C   s   d S r9   r   r}   r~   r   r   r   _function_to_cache  s    r   c                 C   s   | | S r9   r   r   r   r   r   _sum  s    r   c                 C   s   | | S r9   r   r   r   r   r   _product!  s    r   c              	   C   s   t jt_t| jdd}|t}|dddks2t|dddksDttt2 t	jt_|dddksht|dddksztW 5 Q R X d S )Nr   r    r   r   r#   )
r   ri   r   r   rM   r$   r&   r   r   r   )rS   r*   r   r   r   r   *test_memory_in_memory_function_code_change%  s    

r   c                  C   s   t d d} |   d S )Nr   )r   rP   )r*   r   r   r   $test_clear_memory_with_none_location5  s    
r   kw1kw2r   r   c                C   s   | |||fS r9   r   )r}   r~   r   r   r   r   r   func_with_kwonly_args:  s    r   )r}   r~   returnc                 C   s   | | S r9   r   r   r   r   r   func_with_signature>  s    r   c              	   C   s   t | jdd}|t}|dddddks.ttt}|ddddd	 W 5 Q R X |d
 |ddddd tt}|ddddd	 W 5 Q R X |d
 |jtdgd}|ddddddkst|ddddddkstd S )Nr   r    r   r   r#   )r   )r   r   r#   r   rc   )r   z?Keyword-only parameter 'kw1' was passed as positional parameterr   r   r   )r   r   r#   rc   Zignored)r   rM   r$   r   r&   r   
ValueErrormatch)rS   r*   func_cachedexcinfor   r   r   !test_memory_func_with_kwonly_argsB  s    




r  c                 C   s.   t | jdd}|t}|dddks*td S )Nr   r    r   g       @g      @)r   rM   r$   r   r&   )rS   r*   r  r   r   r   test_memory_func_with_signature^  s    
r  c                    st   t | jdd}| dd tt|}|D ]}| q.t fdd|D } fdd|D }||fS )Nr   r    c                 S   s   dS )N  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaar   argr   r   r   get_1000_bytesh  s    z(_setup_toy_cache.<locals>.get_1000_bytesc                    s   g | ]}  |d  qS )r   )r   )r`   r	  )r
  r   r   
<listcomp>q  s   z$_setup_toy_cache.<locals>.<listcomp>c                    s    g | ]}t jjj |qS r   )r3   r4   r5   r1   r!   )r`   r   r   r
  r   r   r  t  s
    )r   rM   r$   rL   r%   r
   )rS   Z
num_inputsr*   inputsr	  Zhash_dirnamesZfull_hashdirsr   r  r   _setup_toy_cachee  s    


r  c                    s   t | \}}}|j }dd |D }t|t|ks:tdd   fdd|D }dd |D }||ksntdd |D }dd |D }	d	d |D }
|
|	kstd S )
Nc                 S   s   g | ]
}|j qS r   )r4   r`   cir   r   r   r  }  s     z#test__get_items.<locals>.<listcomp>c                    s*    fddt  D }tdd |D S )Nc                    s   g | ]}t j |qS r   r3   r4   r5   r`   fn	directoryr   r   r    s   z;test__get_items.<locals>.get_files_size.<locals>.<listcomp>c                 s   s   | ]}t j|V  qd S r9   )r3   r4   getsize)r`   r   r   r   r   rb     s     z:test__get_items.<locals>.get_files_size.<locals>.<genexpr>)r3   rk   sum)r  Z
full_pathsr   r  r   get_files_size  s    
z'test__get_items.<locals>.get_files_sizec                    s   g | ]} |qS r   r   r`   Zhash_dirr  r   r   r    s   c                 S   s   g | ]
}|j qS r   )sizer  r   r   r   r    s     c                 S   s   g | ]}t j|d qS )r.   r  r  r   r   r   r    s   c                 S   s    g | ]}t j tj|qS r   )datetimefromtimestampr3   r4   getatimer  r   r   r   r    s   c                 S   s   g | ]
}|j qS r   Zlast_accessr  r   r   r   r    s     )r  r1   r2   setr&   )rS   r*   Zexpected_hash_dirsr,   itemsZ	hash_dirsZexpected_hash_cache_sizesZhash_cache_sizesZoutput_filenamesZexpected_last_accessesZlast_accessesr   r  r   test__get_itemsz  s$    

r"  c                 C   s   t | \}}}|j }|jd}t|}tt|t|sDtt||d ksXt|jd}t|t|ksxt|jd}|g kstd}	|j|	}
t|
stt||jd}t|	|}t
dd |D td	d |D kstd S )
NZ2Kr   i   1M  ip  c                 s   s   | ]}|j V  qd S r9   r  r  r   r   r   rb     s     z,test__get_items_to_delete.<locals>.<genexpr>c                 s   s   | ]}|j V  qd S r9   r  r  r   r   r   rb     s     )r  r1   r2   Z_get_items_to_deleter'   r   issubsetr&   sorted
differencemaxmin)rS   r*   Zexpected_hash_cachedirsr,   r!  Zitems_to_deleteZ	nb_hashesZitems_to_delete_2048bZitems_to_delete_emptybytes_limit_too_smallZitems_to_delete_500bZitems_to_delete_6000bZsurviving_itemsr   r   r   test__get_items_to_delete  s(    
r+  c                 C   s   t | \}}}|j }|  |j }t|t|ks>td|_|  |j }t|t|ksjtd|_|  |j }tt|t|stt	|dkstd}||_|  |j }|g kstd S )Nr#  Z3Kr   r$  )
r  r1   r2   Zreduce_sizer&  r&   bytes_limitr   r%  r'   )rS   r*   r,   Zref_cache_itemsZcache_itemsr*  r   r   r   test_memory_reduce_size  s&    




r-  c                 C   s@   t | \}}}|  t|jjg ks,t|jddr<td S )Nrc   )
stacklevel)r  rP   r3   rk   r1   r!   r&   r   )rS   r*   r,   rT   r   r   r   test_memory_clear  s    r/  c                  C   s   dgd } | S )Nr  i  r   )complex_objr   r   r   fast_func_with_complex_output  s    
r1  c                 C   s"   dd t tdD }| r|S dS )Nc                 S   s   i | ]}t ||qS r   )r{   r_   r   r   r   
<dictcomp>  s      z=fast_func_with_conditional_complex_output.<locals>.<dictcomp>g     j@zsimple output)r%   int)Zcomplex_outputr0  r   r   r   )fast_func_with_conditional_complex_output  s    r4  c                    sb   t | jd}|t tdd fddtdD  | \}}d}||ksRt||ks^td S )Nr   r   r]   c                 3   s   | ]}t   V  qd S r9   r^   r_   r  r   r   rb     s     zMtest_cached_function_race_condition_when_persisting_output.<locals>.<genexpr>r#   r   )r   rM   r$   r1  r   r%   r   r&   rS   Zcapfdr*   r   stderrr   r   r5  r   :test_cached_function_race_condition_when_persisting_output  s    
 r8  c                    sb   t | jd}|t tdd fddtdD  | \}}d}||ksRt||ks^td S )Nr   r   r]   c                 3   s*   | ]"}t  |d  dkrdndV  qdS )r   r   TFNr^   r_   r5  r   r   rb     s   zOtest_cached_function_race_condition_when_persisting_output_2.<locals>.<genexpr>r#   r   )r   rM   r$   r4  r   r%   r   r&   r6  r   r5  r   <test_cached_function_race_condition_when_persisting_output_2  s    
r9  c              
   C   s   t | jd}dd }||}d}||\}}||ks:tt| t||}||\}	}
t|dkshtd}||d ks|t|	|kst|
|kstt| ||}z|  tdW n8 t	k
r } zd	}|t
|jkstW 5 d }~X Y nX d S )
Nr   c                 S   s   t d | t   fS )Ng{Gz?)r   r   r  r   r   r   r(     s    
zItest_memory_recomputes_after_an_error_while_loading_results.<locals>.funcr	  r   r   r   z<It normally not possible to load a corrupted MemorizedResultzis corrupted)r   rM   r$   r&   r8   rA   r'   r   r   r   r{   r   )rS   r   r*   r(   Zcached_funcZ	input_argr	  r   r   Zrecomputed_argZrecomputed_timestampr   	referenceer|   r   r   r   ;test_memory_recomputes_after_an_error_while_loading_results  s0    


r<  c                   @   s   e Zd ZdZdS )IncompleteStoreBackendzAThis backend cannot be instantiated and should raise a TypeError.N)r   rR   r   __doc__r   r   r   r   r=  C  s   r=  c                   @   sP   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	dd Z
dd ZdS )DummyStoreBackendz(A dummy store backend that does nothing.c                 O   s   dS )zOpen an item on store.Nr   )selfr   r   r   r   r   
_open_itemK  s    zDummyStoreBackend._open_itemc                 C   s   dS )z!Check if an item location exists.Nr   r@  r!   r   r   r   _item_existsO  s    zDummyStoreBackend._item_existsc                 C   s   dS )z&Move an item from src to dst in store.Nr   )r@  srcdstr   r   r   
_move_itemS  s    zDummyStoreBackend._move_itemc                 C   s   dS )zCreate location on store.Nr   rB  r   r   r   create_locationW  s    z!DummyStoreBackend.create_locationc                 C   s   dS )z&Check if an object exists in the storeFr   r@  objr   r   r   r   [  s    zDummyStoreBackend.existsc                 C   s   dS )zClear object on storeNr   rH  r   r   r   clear_location_  s    z DummyStoreBackend.clear_locationc                 C   s   g S )z3Returns the whole list of items available in cache.r   )r@  r   r   r   r2   c  s    zDummyStoreBackend.get_itemsc                 O   s   dS )zConfigure the storeNr   )r@  r!   r   r   r   r   r   	configureg  s    zDummyStoreBackend.configureN)r   rR   r   r>  rA  rC  rF  rG  r   rJ  r2   rK  r   r   r   r   r?  H  s   r?  invalid_prefixc              	   C   s,   t t}t| d  W 5 Q R X |d d S )Nz&Store backend name should be a string*r   r  r   r  )rL  r  r   r   r   (test_register_invalid_store_backends_keyl  s    
rN  c               	   C   s,   t t} tdd  W 5 Q R X | d d S )Nfsz.Store backend should inherit StoreBackendBase*rM  r  r   r   r   +test_register_invalid_store_backends_objectt  s    
rQ  c               	   C   s.   t t} tddd W 5 Q R X | d d S )Nz/tmp/joblibunknown)r!   backendzUnknown location*)r   	TypeErrorr   r  rP  r   r   r   !test_memory_default_store_backend|  s    
rU  c               	   C   sR   G dd d} |  }t t}td|d W 5 Q R X d}|t|d jksNtd S )Nc                   @   s   e Zd ZdS )zHtest_warning_on_unknown_location_type.<locals>.NonSupportedLocationClassNr   r   r   r   r   NonSupportedLocationClass  s   rV  localr   zbInstantiating a backend using a NonSupportedLocationClass as a location is not supported by joblibr   )r   UserWarningr   r{   r|   r&   )rV  Zunsupported_locationr   Zexpected_mesager   r   r   %test_warning_on_unknown_location_type  s    
rY  c               	   C   sN   d} t | t | tft ks"ttt}t| d W 5 Q R X |d d S )NZisbZfake_locationzNCan't instantiate abstract class IncompleteStoreBackend with abstract methods*)	r   r=  r	   r!  r&   r   rT  r   r  )backend_namer  r   r   r   )test_instanciate_incomplete_store_backend  s    

r[  c                  C   s>   d} t | t | tft ks"tt| d}t|ts:td S )NZdsbZdummy_location)r   r?  r	   r!  r&   r   r   )rZ  backend_objr   r   r   test_dummy_store_backend  s
    

r]  c                  C   s&   t d} td| }|jdks"td S )NZsome_folderrW  )pathlibPathr   r!   r&   )r4   r\  r   r   r   0test_instanciate_store_backend_with_pathlib_path  s    

r`  c                 C   sj   d}t  }|jd kstt| t||jd dks8t|| j t||j| jdks^tt| d S )Nz-FileSystemStoreBackend(location="{location}")r   )r   r!   r&   r   r{   rd   rK  rM   )rS   Zrepr_patternrS  r   r   r   "test_filesystem_store_backend_repr  s    ra  c                 C   s   dd }t | jdd}||}d}t||j||jjdksBt|dd}d}t||j|jj|j	|j
d	ksvtt|d
j|jjdkstd S )Nc                 S   s   | | S r9   r   r   r   r   r   my_func  s    z)test_memory_objects_repr.<locals>.my_funcr   r    z/MemorizedFunc(func={func}, location={location}))r(   r!   *   zJMemorizedResult(location="{location}", func="{func}", args_id="{args_id}"))r!   r(   r   zMemory(location={location})r   )r   rM   r$   r{   rd   r1   r!   r&   r   r   r   )rS   rb  r*   Zmemorized_funcZmemorized_func_reprmemorized_resultZmemorized_result_reprr   r   r   test_memory_objects_repr  s$    



re  c                 C   s   t | jd}|jdd }|d}t|}t|}|jj|jjksLt	|j
|j
ks\t	|j|jkslt	t|t|kst	d S )Nr   c                 S   s   | d S r   r   ru   r   r   r   rT     s    z'test_memorized_result_pickle.<locals>.grc   )r   rM   r$   r   r   r   r   r1   r!   r&   r(   r   r{   )rS   r*   rT   rd  Zmemorized_result_pickleZmemorized_result_loadsr   r   r   test_memorized_result_pickle  s    



rf  c                 C   sh   |d krg }t | }t |}t| t| ks8t| D ]"}||krNq@|| || ks@tq@d S r9   )varsr   keysr&   )leftrightignored_attrsZ	left_varsZ
right_varsattrr   r   r   compare  s    rm  memory_kwargsr#   r   )rI   r"   r   g    .AZ	parameterZunused)rH   r"   r,  Zbackend_optionsc                 C   s  t f d| ji|}tt|}t|j|j t||tdddgd t|t|ks^t	|
t}tt|}t|j|j t||tdddgd t|t|kst	|d}tt|}t|j|j t||tdddgd t|t|kst	d S )Nr!   r1   r   Z_func_code_id)rk  r   )r   rM   r   r   r   rm  r1   r   r   r&   r$   r   r   )rS   rn  r*   Zmemory_reloadedr  Zfunc_cached_reloadedrd  Zmemorized_result_reloadedr   r   r   test_memory_pickle_dump_load  s.    

ro  )r   )rG   )T)N)or>  r   r   rN   r3   os.pathr^  r   r   r   r  rf   r   Zjoblib.memoryr   r   r   r   r   r   r   r	   r
   r   r   Zjoblib.parallelr   r   Zjoblib._store_backendsr   r   Zjoblib.test.commonr   r   r   Zjoblib.testingr   r   r   Zjoblib.hashingr   r   r-   r8   rA   rW   rm   ro   rs   ry   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r3  floatr   r  r  r  r"  r+  r-  r/  r1  r4  r8  r9  r<  r=  r?  dictrL   rN  rQ  rU  rY  r[  r]  r`  ra  re  rf  rm  markro  r   r   r   r   <module>   s   
+
b


'
 $ 8
!



/$

