o
    թZh                      @   s|   d Z ddlmZ ddlZddlZddlZddlm	Z
 ddlmZ ejdd Zejdd Zejd	d
 ZG dd dZdS )z
Note: for naming purposes, most tests are title with as e.g. "test_nlargest_foo"
but are implicitly also testing nsmallest_foo.
    )ascii_lowercaseN)Versionc                   C   s&   t jg dg dg ddg ddS )N)            r   )r   r   r   r   r   )r   r   r      r   abc)r   r   r   r   r   index)pd	DataFrame r   r   _/var/www/html/lang_env/lib/python3.10/site-packages/pandas/tests/frame/methods/test_nlargest.pydf_duplicates   s   r   c                   C   s@   t tjddttd d tjddddS )Nr   
   Zfloat64r	   )	r   r   nprandomZdefault_rngZpermutationlistr   astyper   r   r   r   
df_strings   s   r   c                   C   sl   t jg dg dg dtdt tddg dt jddd	t jddd
dt jddddd	g ddS )N)r   r   r   r   r   r   )g      @g      @g      @abccategory)      	   Z20130101r   )periodsz
US/Eastern)r    tzz1 ss)r    freq)	groupintfloatstringcategory_stringZcategory_intdatetimeZ
datetimetz	timedeltacolumns)r   r   r   ZSeriesr   Z
date_rangeZtimedelta_ranger   r   r   r   df_main_dtypes"   s   r-   c                   @   s  e Zd Zejddgdgddgddgddgddgg dg dg dg dg d	g d
gejdedddd Zejdddgddggdd Zdd Z	dd Z
dd Zejdg dg ddgdgddgddggejdedddd Zdd  Zd!d" Zd#d$ Zd%d& Zd'S )(TestNLargestNSmallestorderr
   r   r   r	   )r   r
   r   )r   r   r
   )r   r   r
   )r   r
   r   )r   r   r   nr      c           
      C   s   |}d|v r.d| d}t jt|d t|||| W d    d S 1 s'w   Y  d S |dk}t||||}|j||d|}	t||	 d S )Nr   z9Column 'b' has dtype (object|string), cannot use method '' with this dtypematch	nsmallest	ascending)pytestraises	TypeErrorgetattrsort_valuesheadtmassert_frame_equal)
selfr   nselect_methodr0   r/   df	error_msgr7   resultexpectedr   r   r   test_nlargest_nA   s   "z%TestNLargestNSmallest.test_nlargest_nr,   r$   r(   r'   c                 C   s   |}|d }d| d|| j  d| d}|dddd	d
ddd}tjt|d t||d| W d    d S 1 sBw   Y  d S )Nr   zColumn 'z' has dtype z, cannot use method 'r2   (z\()z\)[z\[]z\]r3   r   )Zdtypereplacer8   r9   r:   r;   )r@   r-   rA   r,   rB   colrC   r   r   r   test_nlargest_errord   s   
"z)TestNLargestNSmallest.test_nlargest_errorc                 C   s@   |}| dtt|ddh  |dtt|ddh  d S )Nr   r(   r'   )r5   r   setnlargest)r@   r-   rB   r   r   r   test_nlargest_all_dtypesx   s    z.TestNLargestNSmallest.test_nlargest_all_dtypesc                 C   s   t g dg dd}|jdddgd}t jg dg d	dg d
d}t|| |jdddgd}t jg dg ddg dd}t|| d S )N)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   r   r   )r   r   r   r   )r   r   r   r   )r   r   r   r   r   r   rO   r>   r?   r5   r@   rB   rD   rE   r   r   r   +test_nlargest_duplicates_on_starter_columns}   s   zATestNLargestNSmallest.test_nlargest_duplicates_on_starter_columnsc                 C   s   t dgd g dd}|dd}t jdgd g ddg dd	}t|| |dd}t dgd g dd}t|| d S )
Nr   r   r   r   r   r   r   rQ   r   r
   r   )r   r   r   r   rR   rS   r   r   r    test_nlargest_n_identical_values   s   "z6TestNLargestNSmallest.test_nlargest_n_identical_values   c                 C   s   |}| ||}|||}t|| |||}|j|dd|}ttjtdkrM|dgkr8|dv sB|ddgkrM|dkrM|	t
jjddd	 t|| d S )
NFr6   z1.25r
   )r   r   r   r   r   r   zYpandas default unstable sorting of duplicatesissue with numpy>=1.25 with AVX instructions)reasonstrict)r5   r<   r=   r>   r?   rO   r   r   __version__Zapplymarkerr8   markZxfail)r@   r   r0   r/   requestrB   rD   rE   r   r   r   test_nlargest_n_duplicate_index   s   &	z5TestNLargestNSmallest.test_nlargest_n_duplicate_indexc                 C   s   t g dg dd}|jdddd}t dddd	d	d	d	d
dddddddd
d}t|| |jdddd}t dd	d	d	d	dddddddd}t|| d S )N)r   r   r   r   r   r   r   r   )r   r   r   r   r   2   r      rQ   r   r
   all)Zkeepr   r   )r   r   r   r   r   rW   r   r   r   r   r^   r_   r   )r   r   r   rW   r   r   rR   rS   r   r   r   %test_nlargest_duplicate_keep_all_ties   s"   z;TestNLargestNSmallest.test_nlargest_duplicate_keep_all_tiesc                 C   s   t jt jdgddggddgddgddgd	d
ggd}|dd}|jg d }t|| |dd}|jg d }t|| d S )Nxr
   r   gQ?gp=
ף?gQ?g      ?gffffff?g333333?gQ?)r,   datar   )rb   r
   )r   r   r   )rb   r   )r   r   r   )	r   r   Z
MultiIndexZfrom_productr5   Zilocr>   r?   rO   rS   r   r   r   &test_nlargest_multiindex_column_lookup   s   z<TestNLargestNSmallest.test_nlargest_multiindex_column_lookupc                 C   sJ   t tjtjddddg}|dd}|jdddd}t|| d S )Nr   r   r   r   r   Fr6   )	r   r   r   nanrO   r<   r=   r>   r?   rS   r   r   r   test_nlargest_nan   s   z'TestNLargestNSmallest.test_nlargest_nanc                 C   sx   t jg dg dg ddtdd}|jddd	gd
}t jg dg dg ddtddddi}t|| d S )N)r   r   r   r   r   Nr   )r   rW   r   r   r   r   r   )r   r   r   r   r   r   r   r	   r   r   r   r
   r   r+   rU   )r   rW   r   r   r   )r   r   r   r   r   r&   )r   r   ranger5   r   r>   r?   rS   r   r   r   "test_nsmallest_nan_after_n_element   s$   
z8TestNLargestNSmallest.test_nsmallest_nan_after_n_elementN)__name__
__module____qualname__r8   r[   Zparametrizerg   rF   rM   rP   rT   rV   r]   ra   rd   rf   rh   r   r   r   r   r.   >   sH    
"r.   )__doc__r'   r   numpyr   r8   Zpandasr   Zpandas._testingZ_testingr>   Zpandas.util.versionr   Zfixturer   r   r-   r.   r   r   r   r   <module>   s    



