U
    _{fC&                     @   sR   d dl Zd dlZd dlZd dlmZmZmZmZm	Z	 d dl
mZ G dd dZdS )    N)	DataFrame
RangeIndexSeriesconcat
date_rangec                   @   s^  e Zd Zdd Zdd Zejdddgejdg d	d
dggdd Zejde	j
e	je	jfe	j
e	je	jfde	j
e	jfde	je	jfde	j
e	jfde	je	jfddgdd Zejdddddddgdd Zejddddddgejddddddgdd Zdd  Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. Zd/d0 Zd1d2 ZdS )3TestEmptyConcatc           	      C   s6  t tjddtdd}|d d  }d|d< |dd }||||dd  g}t|d|d	}|jd
ddddgd}|d d|d< d|j	dddf< t
|| t dtditddddd}t  }t||gdd}t
|| t||gdd}t
|| t||g}t
|| t||g}t
|| d S )N
      abcdcolumns   barZfoor   )axissortabcdOAi'  Z20130101s)Zperiodsfreqindex   r   )r   nprandomZrandnlistcopyr   Zreindexastypeloctmassert_frame_equalranger   )	selfr   dfZdfcopyemptyframesZ	concattedexpectedresult r,   e/var/www/html/Darija-Ai-API/env/lib/python3.8/site-packages/pandas/tests/reshape/concat/test_empty.pytest_handle_empty_objects   s.    
 z)TestEmptyConcat.test_handle_empty_objectsc                 C   s  t dddgdd}t ddd}t||gdd	}tdddgtjtjtjgd
tdd}t|| t dddgdd}t ddd}t||gdd	}t dddg}t|| t dddgdd}t d dd}t||gdd	}tdddgtjtjtjgdddgtdd}t|| d S )Nr         x)nameyfloat64)r2   dtyper   )r1   r3   r   r   )r1   r   )r   r   )	r   r   r   r   nanr   r#   r$   assert_series_equal)r&   s1s2resexpr,   r,   r-   test_concat_empty_series0   s,    z(TestEmptyConcat.test_concat_empty_seriestzNUTCvaluesr   r/   r0   c                 C   sx   t g ddj|}|rd ntj}t ||d}tt tjgt| ddj||d}t	||gdd}t
|| d S )NM8[ns]r5   )r   r   r   r   )r   dtZtz_localizer   r4   r   pdZNaTlenr   r#   r$   )r&   r=   r?   firstr5   secondr*   r+   r,   r,   r-   !test_concat_empty_series_timelikeM   s    z1TestEmptyConcat.test_concat_empty_series_timelikezleft,right,expectedzm8[ns]r@   )categoryrH   rH   )rH   objectrI   c                 C   s*   t t|dt|dg}|j|ks&td S NrA   )r   r   r5   AssertionError)r&   leftrightr*   r+   r,   r,   r-   test_concat_empty_series_dtypes_   s    z/TestEmptyConcat.test_concat_empty_series_dtypesr5   r4   Zint8Zuint8boolc                 C   sR   t |}tt|dg}|j|ks(ttt|dt|dg}|j|ksNtd S rJ   )r   r5   r   r   rK   )r&   r5   r+   r,   r,   r-   0test_concat_empty_series_dtypes_match_roundtripst   s
    
z@TestEmptyConcat.test_concat_empty_series_dtypes_match_roundtripsdtype2c                    st   ||krd S dd dd   fdd}t |}t |}|||}tt|dt|dgj}|j|ksptd S )Nc                 S   sb   | j |j h}t|dddh s6| j dks2|j dkr6dS t|ddh s^| j dksZ|j dkr^dS d S )Niur   kindrD   r5   rQ   Ztypsr,   r,   r-   int_result_type   s    zSTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.int_result_typec                 S   s:   | j |j h}t|dddh s6| j dks2|j dkr6dS d S )NfrR   rS   rT   rV   r,   r,   r-   float_result_type   s    zUTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.float_result_typec                    s0    | |}|d k	r|S | |}|d k	r,|S dS )Nr   r,   )r5   rQ   r+   rY   rW   r,   r-   get_result_type   s    

zSTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.get_result_typerA   )r   r5   r   r   rU   rK   )r&   r5   rQ   r[   r*   r+   r,   rZ   r-   *test_concat_empty_series_dtypes_roundtrips   s    	


z:TestEmptyConcat.test_concat_empty_series_dtypes_roundtripsc                 C   s4   t tddttjdttjdgjtjks0td S )Nr@   rA   )r   r   r   bool_int64r5   object_rK   r&   r,   r,   r-   &test_concat_empty_series_dtypes_triple   s    z6TestEmptyConcat.test_concat_empty_series_dtypes_triplec                 C   s.   t ttg ddtddgjdks*td S )NrH   rA   r4   )r   r   r   arrayr5   rK   r`   r,   r,   r-   2test_concat_empty_series_dtype_category_with_array   s    zBTestEmptyConcat.test_concat_empty_series_dtype_category_with_arrayc                 C   s   t tdddtdddg}|jdks2tt tdddtddg}ttj}|j|ksjtt tdddtddg}td}|j|kstd S )Nr4   rA   ZSparsezSparse[float64]rI   )	r   r   r!   r5   rK   rC   ZSparseDtyper   r4   )r&   r+   r*   r,   r,   r-   &test_concat_empty_series_dtypes_sparse   s     
z6TestEmptyConcat.test_concat_empty_series_dtypes_sparsec                 C   sT   t dddgtjdddgd}t |jd}t||gdd}|t}t|| d S )Nr   r   r/   r0   )RowZEmptyColZ	NumberColr   r   )	r   r   r6   r   r   r!   rI   r#   r$   )r&   Zdf_1Zdf_2r+   r*   r,   r,   r-   !test_concat_empty_df_object_dtype   s
    
z1TestEmptyConcat.test_concat_empty_df_object_dtypec                 C   s   t tdd}|d tj|d< |d tj|d< |d tj|d< t||g}|d jtjksjt	|d jtjks~t	|d jtjkst	t||tjg}|d jtj
kst	|d jtjkst	|d jtjkst	d S )Nabcr   r   r   r   )r   r   r!   r   r]   int32r4   r   r5   rK   r_   )r&   r'   r+   r,   r,   r-   "test_concat_empty_dataframe_dtypes   s    z2TestEmptyConcat.test_concat_empty_dataframe_dtypesc                 C   sr   t  }t dddgiddgdd}t dg itddd}d|fd|ffD ]&\}}t||gd|d	}t|| qFd S )
Nr   r   r/   r   r^   )r   r5   innerouter)r   join)r   r   r   r#   r$   )r&   df_emptyZdf_aZdf_expectedhowr*   r+   r,   r,   r-   test_concat_inner_join_empty   s    z,TestEmptyConcat.test_concat_inner_join_emptyc                 C   s\   t dd gdd ggddgd}t dd gdd ggddgd}t||g}|j}t|j| d S )Nr   r/   r   r   )datar   r0   r	   )r   r   Zdtypesr#   r7   )r&   df1df2r+   r*   r,   r,   r-   test_empty_dtype_coerce   s
    z'TestEmptyConcat.test_empty_dtype_coercec                 C   s   t ddgd}t ddgd}t|||g}t dddgd}t|| t ddgd}t dgd}t||g}t ddgd}t|| d S )Nr   r   r   r   )r   r   r#   r$   )r&   rq   rr   r+   r*   Zdf3Zdf4r,   r,   r-   test_concat_empty_dataframe  s    z+TestEmptyConcat.test_concat_empty_dataframec                 C   st   t dddgdddgd}t ddddgi}t|d d |d d g}|d jtjks\t|d jtjksptd S )	Nr   r/   r0   r   r   r   )r   r   r   )r   r   r5   r   r^   rK   r_   )r&   rq   rr   r+   r,   r,   r-   ,test_concat_empty_dataframe_different_dtypes  s
    z<TestEmptyConcat.test_concat_empty_dataframe_different_dtypesc                 C   s^   t dtjg t di}t dtjdddgt di}| }t||g}t|| dS )z<48510 `concat` to an empty EA should maintain type EA dtype.r   rA   r   r/   r0   N)r   rC   rb   Z
Int64Dtyper    r   r#   r$   )r&   rm   Zdf_newr*   r+   r,   r,   r-   test_concat_to_empty_ea  s
     z'TestEmptyConcat.test_concat_to_empty_ea)__name__
__module____qualname__r.   r<   pytestmarkZparametrizerG   r   r]   rh   r_   Zfloat32r^   rN   rP   r\   ra   rc   rd   rf   ri   ro   rs   rt   ru   rv   r,   r,   r,   r-   r      sN    
 
	(	
	r   )numpyr   rz   ZpandasrC   r   r   r   r   r   Zpandas._testingZ_testingr#   r   r,   r,   r,   r-   <module>   s
   