o
    ҷhG                     @   sd   d dl Zd dlZd dlmZ d dlm  mZ d dl	m
Z
mZmZmZ d dlmZ G dd dZdS )    N)ChainedAssignmentError)	DataFrameNaTSeries
date_rangec                
   @   sh  e 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d Zdd Zdd Zdd Zdd Zejdejddddejd dd!dejd"d#d$dgd%d& Zd'd( Zejd)d*ejd+ejd,gd-d. Zd/d0 Zd1d2 Zd3d4 Zd5d6 Zd7d8 Zd9d: Zejdd;d<gd=d> Zejd?d+d*gejd@g dAdBdC Z dDdE Z!dFdG Z"dHS )ITestDataFrameInterpolatec                 C   s   t tdtdtdg}|jjdksJ | }t |d |d d |d g}t|| | }| }| }t	|| d S )Nz1+1jnanz2+2jcr         ?   )
r   complexfloatdtypekindinterpolatetmassert_series_equalto_frameassert_frame_equal)selfserresexpecteddf r   ^/var/www/html/venv/lib/python3.10/site-packages/pandas/tests/frame/methods/test_interpolate.pytest_interpolate_complex   s   z1TestDataFrameInterpolate.test_interpolate_complexc                 C   s   t tddd}| }t|d< || }||}t|| |jd}|| }||jd}t|| ||d  }	||	 }
|||d  }t|
| d S )Nz
2012-01-01   )periodsr   z
US/Pacificr   )	r   r   copyr   r   r   assert_equaldttz_localize)r   frame_or_seriesorigr   r   r   ser_tzres_tzexpected_tzser_tdres_tdexpected_tdr   r   r   $test_interpolate_datetimelike_values   s   z=TestDataFrameInterpolate.test_interpolate_datetimelike_valuesc                 C   s   |r|t u rtjjdd}|j| |dtjdg}|j}|j	dd |g d}t
|| t||js9J | d dksCJ d S )	Nz'.values-based in-place check is invalid)reason   r   Tinplace)r-   r
   r   r
   )r   pytestmarkxfailnode
add_markernpr   valuesr   r   r    shares_memorysqueeze)r   r#   using_array_managerrequestr1   objr$   r   r   r   r   test_interpolate_inplace5   s   z1TestDataFrameInterpolate.test_interpolate_inplacec           	      C   s  t ddtjdgdddtjgg dtdd}t g dg d	g dtdd}d
}tjt|d | }W d    n1 s@w   Y  t|| |d j	}|d j
}|rnt||d j	sbJ t||d j	smJ nt||d j	ryJ t||d j	rJ tjt|d |jdd}W d    n1 sw   Y  |d u sJ t|| t|d j	|sJ t|d j	|sJ d S )Nr-   r      	   r-   r      r   abcdABCD      ?       @      @      @)rH   rK         "@rL   'DataFrame.interpolate with object dtypematchrE   rF   Tr.   )r   r5   r   listr   assert_produces_warningFutureWarningr   r   _valuesr6   r7   )	r   using_copy_on_writer   r   msgresultcvaluesdvaluesr   r   r   r   test_interp_basicF   sB   


z*TestDataFrameInterpolate.test_interp_basicc                 C   s   t ddtjdgdddtjgg dtdd}d}tjt|d	 |d
 }W d    n1 s2w   Y  |d
}d|j	d< d|j	d< t
|| d S )Nr-   r   r=   r>   r?   rA   rB   rM   rN   rE   r@   r@   rC   )r   rD   )r   r5   r   rP   r   rQ   rR   	set_indexr   locr   )r   r   rU   rV   r   r   r   r   &test_interp_basic_with_non_range_indexo   s   	


z?TestDataFrameInterpolate.test_interp_basic_with_non_range_indexc                 C   s.   t  }| }||usJ |}t|| d S )N)r   r   r   r   r   r   rV   r   r   r   r   test_interp_empty   s
   z*TestDataFrameInterpolate.test_interp_emptyc                 C   sl   t ddtjdgdddtjgg dd}d}tjt|d |jd	d
 W d    d S 1 s/w   Y  d S )Nr-   r   r=   r>   r?   rC   rD   rE   a  method must be one of \['linear', 'time', 'index', 'values', 'nearest', 'zero', 'slinear', 'quadratic', 'cubic', 'barycentric', 'krogh', 'spline', 'polynomial', 'from_derivatives', 'piecewise_polynomial', 'pchip', 'akima', 'cubicspline'\]. Got 'not_a_method' instead.rN   not_a_methodmethod)r   r5   r   r0   raises
ValueErrorr   r   r   rU   r   r   r   test_interp_bad_method   s   "z/TestDataFrameInterpolate.test_interp_bad_methodc                 C   s   t ddtjdgdddtjgg dtdd	}|d
  }tg dd
d}t|| d}tjt	|d |d
 jdd}W d    n1 sGw   Y  tg dd
d}t|| d S )NrH   rI   rK   r-   r=   r>   r?   rA   rB   rC   rG   )name:The 'downcast' keyword in Series.interpolate is deprecatedrN   inferdowncastr-   r   r@   r=   )
r   r5   r   rP   r   r   r   r   rQ   rR   )r   r   rV   r   rU   r   r   r   test_interp_combo   s    	z*TestDataFrameInterpolate.test_interp_comboc              	   C   s$  t ddtjdgdddtjgg dtdd	}d
}d}d}tjt|d% tjt	|d |j
dd W d    n1 s=w   Y  W d    n1 sLw   Y  tjt|d0 tjt	|d |d j
dd W d    n1 ssw   Y  W d    d S W d    d S 1 sw   Y  d S )NrH   rI   rK   r-   r=   r>   r?   rA   rB   z'downcast must be either None or 'infer'=The 'downcast' keyword in DataFrame.interpolate is deprecatedri   rN   int64rk   rC   )r   r5   r   rP   r0   rd   re   r   rQ   rR   r   )r   r   rU   msg2msg3r   r   r    test_inerpolate_invalid_downcast   s.   	"z9TestDataFrameInterpolate.test_inerpolate_invalid_downcastc                 C   sp   t ddtjdgtjdddgd}|d}d}tjt|d |jd	d
 W d    d S 1 s1w   Y  d S )Nr-   r   r=   r@   rC   rD   rC   zkInterpolation with NaNs in the index has not been implemented. Try filling those NaNs before interpolating.rN   r6   rb   )r   r5   r   r[   r0   rd   NotImplementedErrorr   rf   r   r   r   test_interp_nan_idx   s   "
"z,TestDataFrameInterpolate.test_interp_nan_idxc                 C   sV  t d tddtjddtjdgg dd}|d	}| }|jd
dd}d|jd< d|jd< t	
|| |jdd}d|jd< d|jd< t	
|| |jdd}d|jd< d|jd< t	j
||dd |jdd}d|jd< d|jd< t	
|| |jdd}d|jd< d|jd< t	
|| |jdd}d|jd< d|jd< t	j
||dd d S )Nscipyr-   r   r=   r      r-   r   r@   r            rC   rE   rE   
polynomialrc   ordergUUU@rZ   gu:@)r{   rC   cubicrb   gv:@gb+hZ@nearestF)check_dtype	quadraticg^r@g!g@slineargX ;@zerorI   )r0   importorskipr   r5   r   r[   r   r   r\   r   r   r   r   r   rV   r   r   r   test_interp_various   s<   













z,TestDataFrameInterpolate.test_interp_variousc                 C   s  t d tddtjddtjdgg dd}|jd	d
}| }d|jd< d|jd< t	|| d}tj
t|d |jd	dd}W d    n1 sLw   Y  t	||tj |jdd
}| }|d |d< t	|| |jdd
}d|jd< d|jd< t	|| d S )Nrw   r-   r   r=   r   rx   ry   r}   barycentricrb   r@   )r   rC      )r   rC   ro   rN   rj   )rc   rl   kroghrC   pchip      @)r0   r   r   r5   r   r   r   r\   r   r   rQ   rR   astyperp   )r   r   rV   r   rU   	expectedkr   r   r   test_interp_alt_scipy   s,   




z.TestDataFrameInterpolate.test_interp_alt_scipyc                 C   s   t ddtjdgdddtjgtjdddgdtjddgg dd	}|jdd
}| }d|jd< d|jd< d|jd< |d tj|d< t	|| |jddd}t	|| |jdd
}| }t	|| d S )Nr-   r   r=   r@   r   r   rx   rm   )r   r-   r   r@   r=   axis)r@   r-   )r   r   )r-   r@   r6   r   rc   r   )
r   r5   r   r   r   r\   r   float64r   r   r^   r   r   r   test_interp_rowwise  s(   	


z,TestDataFrameInterpolate.test_interp_rowwisezaxis_name, axis_numberrowsr   rows_0)idindexindex_0columnsr-   	columns_1c                 C   sZ   dt jdgdt jdgg dd}t|t jd}|j|dd	}|j|dd	}t|| d S )
Nr   r   r-   rx   )r   r   rz   )r   r-   r   r   linearr   )r5   r   r   r   r   r   r   )r   	axis_nameaxis_numberdatar   rV   r   r   r   r   test_interp_axis_names)  s
    
z/TestDataFrameInterpolate.test_interp_axis_namesc              
   C   s:   t dddtjddtjtjdg	g dd}|jdd	 d S )
Nr         ?rH   r=   rz   @   )	r-   r   r@   r=   r@   r   r-   r   )r   r-   r   )r   r5   r   r   r   r   r   r   r   test_rowwise_alt:  s   z)TestDataFrameInterpolate.test_rowwise_altcheck_scipyFT)marksc                 C   sv   t tjtjdddgtjddtjdgd}| }| }d|jd	< t|| |r9|jd
dd}t|| d S d S )Nr   g      ?r   g      rt   g      )r@   rD   r~   r-   r   )r   r5   r   r   r   r\   r   r   )r   r   r   rV   r   r   r   r   test_interp_leading_nansD  s   $
z1TestDataFrameInterpolate.test_interp_leading_nansc                 C   s   t ddtjdgg dtjdddgtjtjddgg dd	}d
}tjt|d |dj|d W d    d S 1 s<w   Y  d S )Nr-   r   r=   )abr	   dr   rx   r>   rm   )rC   rD   rE   rF   EvCannot interpolate with all object-dtype columns in the DataFrame. Try setting at least one column to a numeric dtype.rN   objectr   )r   r5   r   r0   rd   	TypeErrorr   r   )r   r   r   rU   r   r   r   test_interp_raise_on_only_mixedT  s   
"z8TestDataFrameInterpolate.test_interp_raise_on_only_mixedc                 C   sZ   t g dg dddd}d}tjt|d |  W d    d S 1 s&w   Y  d S )N)r-   r   r@   )r=   r   r   rt   r   r   r   rN   )r   r0   rd   r   r   rf   r   r   r   %test_interp_raise_on_all_object_dtypef  s   
"z>TestDataFrameInterpolate.test_interp_raise_on_all_object_dtypec                 C   s  t dddtjdgi}t dg di}| }| }|rFt  |d jdd}W d    n1 s4w   Y  |d u s?J t|| n|d jdd}|d u sTJ t|| | }d}|rtjt	t
f|d	 |d jdd
d}W d    n1 sw   Y  |d u sJ t|| d S tjt	|d	 |d jdd
d}W d    n1 sw   Y  |d u sJ t||d d S )Nr   rH   rI   rK   rG   Tr.   ri   rN   rj   )r/   rl   rp   )r   r5   r   r   r   raises_chained_assignment_errorr   r   rQ   rR   r   r   )r   rT   r   r   expected_cowrV   return_valuerU   r   r   r   test_interp_inplaceq  s8   
z,TestDataFrameInterpolate.test_interp_inplacec                 C   s^   t g dtjdddgg dd}|jddd	d
}|jdddd
}|d u s'J t|| d S )NrG   rI   rJ   rK   )r@   r   r   r   )r   r   r	   r   r-   F)rc   r   r/   T)r   r5   r   r   r   r   )r   rV   r   r   r   r   r   test_interp_inplace_row  s   z0TestDataFrameInterpolate.test_interp_inplace_rowc                 C   s  t ddtjdgg dddtjdgg dd	}t tjg dd
dtjg dddtjg dd
dtjg dd
dd	}d}tjt|d |jd d}W d    n1 sVw   Y  t|| tjt|d |ddg jd d}W d    n1 s}w   Y  t||ddg  d S )Nr-   r   r=   rm   rH   rI   rK   rG   rB   r   r   rp   )rH   rI   r@   rK   ro   rN   rk   rD   rF   )	r   r5   r   arrayr   rQ   rR   r   r   )r   r   r   rU   rV   r   r   r   test_interp_ignore_all_good  s.   	z4TestDataFrameInterpolate.test_interp_ignore_all_goodc                 C   s|   d}t d|d}tjd||f}tj||dk < t|||d}|jddd	}|jddd
d}|d u s6J t|| d S )Nr   z
2014-01-01)startr   r   r   )r   r   r   r   timer   T)r   rc   r/   )	r   r5   randomdefault_rngr   r   r   r   r   )r   r   idxr   r   rV   r   r   r   r   test_interp_time_inplace_axis  s   z6TestDataFrameInterpolate.test_interp_time_inplace_axis)r   r   )r   r-   c                 C   sl   t ddd}t |}tt |dt d|dj|d d}|jd	|d
}|jd	|d
}t	|| d S )Nr   d   i  )
   r-   r   )r   r   r   gGz?)r   r   rc   r   )
r5   linspacesinr   tilearangereindexr   r   r   )r   r   r   xyr   rV   r   r   r   r   test_interp_string_axis  s   
z0TestDataFrameInterpolate.test_interp_string_axis
multiblockrc   )ffillbfillpadc              	   C   s   |r|dv rt | tddddtjdgdddtjdd	gddd
tjtjdgd}|r4tj|d< d|d< |dkr:|nd}t|||d}d| d}	tjt|	d |j	||d}
W d    n1 scw   Y  t
|
| d S )N)r-   r   rH   rI   rJ   rK   g      @r   g       @g      $@rL   g      >@r`   rF   r   r   r   r   z"DataFrame.interpolate with method=z is deprecatedrN   r   )td&mark_array_manager_not_yet_implementedr   r5   r   getattrr   rQ   rR   r   r   )r   r:   r   r   rc   r9   r   method2r   rU   rV   r   r   r   test_interp_fillna_methods  s$   

z3TestDataFrameInterpolate.test_interp_fillna_methodsc                 C   s6   t  }| }|jdd}|d u sJ t|| d S )NTr.   )r   r   r   r   r   r   r   r   r   test_interpolate_empty_df  s
   z2TestDataFrameInterpolate.test_interpolate_empty_dfc                 C   sP   t dg didd}tjtdd |  W d    d S 1 s!w   Y  d S )Nr   )r-   Nr   Int64r   zdoes not implementrN   )r   r0   rd   ru   r   r   r   r   r   test_interpolate_ea_raise  s   
"z2TestDataFrameInterpolate.test_interpolate_ea_raiseN)#__name__
__module____qualname__r   r+   r<   rY   r]   r_   rg   rn   rs   rv   r   r   r   r0   r1   parametrizeparamr   r   r   skip_if_no_scipyr   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r      sP    )
'
	

 

r   )numpyr5   r0   pandas.errorsr   pandas.util._test_decoratorsutil_test_decoratorsr   pandasr   r   r   r   pandas._testing_testingr   r   r   r   r   r   <module>   s    