U
    sVÞcS#  ã                   @   sò   d dl Zd dlZd dlmZ d dlmZmZm	Z	m
Z
 d dlmZ d dlmZ d dlmZ G dd„ dƒZG dd	„ d	eƒZG d
d„ deƒZej dddg¡dd„ ƒZdd„ Zej dddddg¡dd„ ƒZdd„ Zdd„ Zdd„ Zdd„ Zd d!„ ZdS )"é    N)Úgroupby)Úgroup_cumprod_float64Úgroup_cumsumÚ
group_meanÚ	group_var)Úensure_platform_int)Úisnac                   @   s4   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	d
„ ZdS )ÚGroupVarTestMixinc                 C   sÎ   t j d¡}t jt  d¡  | j¡}t jddd}d| dd¡ | j¡ }t  	t  
d¡d	¡ d
¡}t  |¡jdddjdddd d d …t jf }|d }|  ||||¡ t  ||| j¡s¾t‚t ||¡ d S )NéÒ  )é   é   r   Úint64©Údtypeé
   é   r   )é   Úintp)r   r   ÚF©Úorder)ÚaxisÚddofé   r   )ÚnpÚrandomÚRandomStateÚnanÚonesÚastyper   ÚzerosÚrandÚtileÚarangeZsqueezeÚreshapeÚstdZnewaxisÚalgoÚallcloseÚrtolÚAssertionErrorÚtmÚassert_numpy_array_equal©ÚselfÚprngÚoutÚcountsÚvaluesÚlabelsZexpected_outZexpected_counts© r3   úH/tmp/pip-unpacked-wheel-xj8nt62q/pandas/tests/groupby/test_libgroupby.pyÚtest_group_var_generic_1d   s     ÿþz+GroupVarTestMixin.test_group_var_generic_1dc                 C   s®   t j d¡}t jt  d¡  | j¡}t jddd}d| dd¡ | j¡ }t jddd}t  	|j
dd	d
 gg¡}|d }|  ||||¡ t  ||| j¡sžt‚t ||¡ d S )Nr
   ©r   r   r   r   r   r   r   r   )r   r   )r   r   r   r   r   r   r   r    r!   Úarrayr%   r&   r'   r(   r)   r*   r+   r,   r3   r3   r4   Ú%test_group_var_generic_1d_flat_labels$   s    z7GroupVarTestMixin.test_group_var_generic_1d_flat_labelsc                 C   s¼   t j d¡}t jt  d¡  | j¡}t jddd}d| dd¡ | j¡ }t  	t  
d¡d¡ d	¡}t j| ddd¡d
ddd }|d }|  ||||¡ t  ||| j¡s¬t‚t ||¡ d S )Nr
   ©r   r   r   r   r   r   r   ©r   r   r   r   ©r   r   )r   r   r   r   r   r   r   r    r!   r"   r#   r%   r$   r&   r'   r(   r)   r*   r+   r,   r3   r3   r4   Ú$test_group_var_generic_2d_all_finite4   s    z6GroupVarTestMixin.test_group_var_generic_2d_all_finitec                 C   sö   t j d¡}t jt  d¡  | j¡}t jddd}d| dd¡ | j¡ }t j|d d …df< t  	t  
d¡d	¡ d
¡}t  |d d …df jddddjdddd t jt  d¡ g¡j | j¡}|d }|  ||||¡ tj||dd t ||¡ d S )Nr
   r9   r   r   r   r   r   r   r:   r   r   r   r   r;   gíµ ÷Æ >©r(   )r   r   r   r   r   r   r   r    r!   r"   r#   Zvstackr$   r%   ÚTr&   r*   Úassert_almost_equalr+   r,   r3   r3   r4   Ú"test_group_var_generic_2d_some_nanC   s"    (þÿûz4GroupVarTestMixin.test_group_var_generic_2d_some_nanc                 C   sŒ   t jt jgg| jd}t jdgdd}dt jd| jd }t jddd}|  ||||¡ |d dksht‚|d dksxt‚t 	|d d	¡ d S )
Nr   r   r   gUUUÕª¦ê?)r   r   r   r   ©r   r   g        )
r   r7   r   r   r   r    r&   r)   r*   r?   )r-   r/   r0   r1   r2   r3   r3   r4   Útest_group_var_constantX   s    z)GroupVarTestMixin.test_group_var_constantN)Ú__name__Ú
__module__Ú__qualname__r5   r8   r<   r@   rB   r3   r3   r3   r4   r	      s
   r	   c                   @   s*   e Zd ZdZeeƒZejZ	dZ
dd„ ZdS )ÚTestGroupVarFloat64Tgñhãˆµøä>c                 C   s”   t j d¡}t jt jgg| jd}t jdgdd}| d¡d  | j¡}d|_t j	ddd}|  
||||¡ |d dks|t‚tj|d	 d
dd d S )Nr
   r   r   r   é@B l    J)£)rG   r   r   rA   gUUUUUUµ?gü©ñÒMb@?r=   )r   r   r   r7   r   r   r!   r   Úshaper    r&   r)   r*   r?   )r-   r.   r/   r0   r1   r2   r3   r3   r4   Útest_group_var_large_inputsn   s    z/TestGroupVarFloat64.test_group_var_large_inputsN)rC   rD   rE   Ú__test__Ústaticmethodr   r&   r   Úfloat64r   r(   rI   r3   r3   r3   r4   rF   g   s
   rF   c                   @   s"   e Zd ZdZeeƒZejZ	dZ
dS )ÚTestGroupVarFloat32Tg{®Gáz„?N)rC   rD   rE   rJ   rK   r   r&   r   Úfloat32r   r(   r3   r3   r3   r4   rM   }   s   rM   r   rN   rL   c           	   	   C   s4  t jt j d¡| d}t  dddg¡}t  d| ¡}t jt|ƒt jd}tt  t  	d¡t  
t jd|f ¡¡ƒ}tj}||||d d …d f |ƒ dd	„ }t  ||d d… ƒ||dd… ƒ||dd … ƒg¡}t ||¡ t |t jddd
gt jd¡ t j|d d…< ||||d d …d f |ƒ t j|d< t ||¡ d S )Né   r   é   é   )r   é   r   r   c                 S   s6   t | ƒ ¡ rt tjd¡S | d |  ¡ |  ¡ | d gS )NrR   r   éÿÿÿÿ)r   Úallr   Úrepeatr   ÚmaxÚmin)Úgroupr3   r3   r4   Ú_ohlc‘   s    ztest_group_ohlc.<locals>._ohlcé   )r   r7   r   Zrandnr    Úlenr   r   rU   r#   ZdiffZr_Ú
libgroupbyZ
group_ohlcr*   r?   r+   r   )	r   ÚobjZbinsr/   r0   r2   ÚfuncrY   Úexpectedr3   r3   r4   Útest_group_ohlc…   s    &4
r`   c                 C   s|   d}t jdgdgdgdgg|d}t  |¡}t jddddgt jd}d}| |||||ƒ tj||ƒ|dd…df dd	 dS )
a  
    Check a group transform that executes a cumulative function.

    Parameters
    ----------
    pd_op : callable
        The pandas cumulative function.
    np_op : callable
        The analogous one in NumPy.
    dtype : type
        The specified dtype of the data.
    Fr   r   r   rR   r   r   N)Zcheck_dtype)r   r7   Ú
zeros_liker   r*   r+   )Úpd_opÚnp_opr   Úis_datetimelikeÚdataZanswerr2   Úngroupsr3   r3   r4   Ú(_check_cython_group_transform_cumulative¡   s    
rg   Únp_dtyper   Zuint64c                 C   s(   t  | ¡j}tt j }}t|||ƒ d S ©N)r   r   Útyper   Zcumsumrg   )rh   r   rb   rc   r3   r3   r4   Ú"test_cython_group_transform_cumsumº   s    rk   c                  C   s"   t j} tt j }}t||| ƒ d S ri   )r   rL   r   Z
cumproductrg   )r   rb   rc   r3   r3   r4   Ú#test_cython_group_transform_cumprodÂ   s    rl   c               
   C   s¤  d} t jdddddgt jd}d}t jdgdgdgt jgdggdd}t  |¡}| t j¡ t||||| ƒ t jddd	t jd
gdd}t |d d …df |¡ t  |¡}| t j¡ t	||||| ƒ t jddd	t jdgdd}t |d d …df |¡ d} t jt  
dd¡gd ddd d …d f }t j|dd}t	|| d¡||| ƒ t  t  
dd¡t  
dd¡t  
dd¡t  
dd¡t  
dd¡g¡}t |d d …df  d¡|¡ d S )NFr   r   r   r   r   rR   rL   rP   é   r   TÚnsr   úm8[ns]r   )r   r7   r   r   ra   Úfillr   r*   r+   r   Útimedelta64Úview)rd   r2   rf   re   Úactualr_   r3   r3   r4   Ú!test_cython_group_transform_algosÉ   s6    $

(




ûÿ	rt   c                  C   s®   t jddd} t jdgdd}t jt  dd¡t  d	d¡t  d
¡gddd d …d f  d¡ d¡}t jt|ƒt jd}t| |||dd t	 
| d d …df t jdgdd¡ d S )Nr6   rL   ©rH   r   r   r   r   r   rn   rR   ÚNaTro   T©rd   r   )r   r    r7   rq   rr   r   r[   r   r   r*   r+   ©rs   r0   re   r2   r3   r3   r4   Ú#test_cython_group_mean_datetimelikeï   s     þ
ýüûÿry   c               	   C   sx   t jddd} t jddd}t jdddd d …d f }t jdt jd}tjtdd t| |||d	d
d W 5 Q R X d S )Nr6   rL   ru   r   r   r   Ú	min_count)ÚmatchTr   )rd   rz   )r   r    r   ÚpytestZraisesr)   r   rx   r3   r3   r4   Ú&test_cython_group_mean_wrong_min_count  s    r}   c                  C   s¸   t jddd} t jdgdd}t jt  d¡t  d¡gddd d …d f  d¡ d¡}t jt|ƒt jd}t| |||d	d
 t	 
| d d …df t jt  t  |d |d ¡d¡dd¡ d S )Nr6   rL   ru   r   r   r   rv   ro   Frw   r   r   )r   r    r7   rq   rr   r   r[   r   r   r*   r+   ÚdivideÚaddrx   r3   r3   r4   Ú:test_cython_group_mean_not_datetimelike_but_has_NaT_values  s&    þ
ýüûÿ $ÿr€   )Znumpyr   r|   Zpandas._libsr   r\   Zpandas._libs.groupbyr   r   r   r   Zpandas.core.dtypes.commonr   Zpandasr   Zpandas._testingZ_testingr*   r	   rF   rM   ÚmarkZparametrizer`   rg   rk   rl   rt   ry   r}   r€   r3   r3   r3   r4   Ú<module>   s&   U

&
