o
    dC&                     @   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                   @   sH  e Zd Zdd Zdd Zejdddgejdg g d	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g ddd Zejdg dejdg ddd Zdd Zdd Zdd  Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. ZdS )/TestEmptyConcatc           	      C   s0  t tjddtdd}|d d  }d|d< |dd }||||dd  g}t|d|d	}|jg d
d}|d d|d< d|j	dddf< t
|| t dtditddddd}t  }t||gdd}t
|| t||gdd}t
|| t||g}t
|| t||g}t
|| d S )N
      abcdcolumns   barfoor   )axissort)abcdr   OAi'  Z20130101s)Zperiodsfreqindex   r   )r   nprandomZrandnlistcopyr   Zreindexastypeloctmassert_frame_equalranger   )	selfr   dfZdfcopyemptyframesZ	concattedexpectedresult r-   Z/app/.heroku/python/lib/python3.10/site-packages/pandas/tests/reshape/concat/test_empty.pytest_handle_empty_objects   s,   z)TestEmptyConcat.test_handle_empty_objectsc                 C   s
  t g ddd}t ddd}t||gdd}tg dtjtjtjgd	td
d}t|| t g ddd}t ddd}t||gdd}t g d}t|| t g ddd}t d dd}t||gdd}tg dtjtjtjgdddgtd
d}t|| d S )Nr         x)nameyfloat64)r4   dtyper   r   )r3   r5   r2   r   r   )r3   r   )r   r   )	r   r   r   r   nanr   r$   r%   assert_series_equal)r'   s1s2resexpr-   r-   r.   test_concat_empty_series0   s,   z(TestEmptyConcat.test_concat_empty_seriestzNUTCvaluesr0   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]r7   )r   r   r   r   )r   dtZtz_localizer   r6   r   pdZNaTlenr   r$   r%   )r'   r?   rA   firstr7   secondr+   r,   r-   r-   r.   !test_concat_empty_series_timelikeM   s   z1TestEmptyConcat.test_concat_empty_series_timelikezleft,right,expectedm8[ns]rB   )categoryrK   rK   )rK   objectrL   c                 C   s*   t t|dt|dg}|j|ksJ d S NrC   )r   r   r7   )r'   leftrightr+   r,   r-   r-   r.   test_concat_empty_series_dtypes_   s   z/TestEmptyConcat.test_concat_empty_series_dtypesr7   )r6   int8uint8boolrJ   rB   c                 C   sR   t |}tt|dg}|j|ksJ tt|dt|dg}|j|ks'J d S rM   )r   r7   r   r   )r'   r7   r,   r-   r-   r.   0test_concat_empty_series_dtypes_match_roundtripst   s
   
z@TestEmptyConcat.test_concat_empty_series_dtypes_match_roundtrips)r6   rQ   rR   rJ   rB   dtype2c                    st   ||krd S dd dd   fdd}t |}t |}|||}tt|dt|dgj}|j|ks8J d S )Nc                 S   s`   | j |j h}t|h d s| j dks|j dkrdS t|ddh s.| j dks,|j dkr.dS d S )N>   ur   irW   rV   r   kindrF   r7   rU   Ztypsr-   r-   r.   int_result_type   s   zSTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.int_result_typec                 S   s8   | j |j h}t|h d s| j dks|j dkrdS d S )N>   rV   rW   fr\   rX   rZ   r-   r-   r.   float_result_type   s   zUTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.float_result_typec                    s0    | |}|d ur|S | |}|d ur|S dS )Nr   r-   )r7   rU   r,   r]   r[   r-   r.   get_result_type   s   

zSTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.get_result_typerC   )r   r7   r   r   rY   )r'   r7   rU   r_   r+   r,   r-   r^   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sJ d S )NrB   rC   )r   r   r   bool_int64r7   object_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J d S )NrK   rC   r6   )r   r   r   arrayr7   rd   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sJ t tdddtddg}ttj}|j|ks5J t tdddtddg}td}|j|ksPJ d S )Nr6   rC   ZSparsezSparse[float64]rL   )r   r   r"   r7   rE   ZSparseDtyper   r6   )r'   r,   r+   r-   r-   r.   &test_concat_empty_series_dtypes_sparse   s    
z6TestEmptyConcat.test_concat_empty_series_dtypes_sparsec                 C   sP   t g dtjg dd}t |jd}t||gdd}|t}t|| d S )N)r   r   r   r0   )RowZEmptyColZ	NumberColr   r   r   )	r   r   r8   r   r   r"   rL   r$   r%   )r'   Zdf_1Zdf_2r,   r+   r-   r-   r.   !test_concat_empty_df_object_dtype   s
   
z1TestEmptyConcat.test_concat_empty_df_object_dtypec                 C   s   t tdd}|d tj|d< |d tj|d< |d tj|d< t||g}|d jtjks5J |d jtjks?J |d jtjksIJ t||tjg}|d jtj	ks]J |d jtjksgJ |d jtjksqJ d S )Nabcr   r   r   r   )
r   r    r"   r   ra   int32r6   r   r7   rc   )r'   r(   r,   r-   r-   r.   "test_concat_empty_dataframe_dtypes   s   z2TestEmptyConcat.test_concat_empty_dataframe_dtypesc                 C   sr   t  }t dddgiddgdd}t dg itddd}d|fd|ffD ]\}}t||gd|d	}t|| q#d S )
Nr   r   r1   r   rb   )r   r7   innerouter)r   join)r   r   r   r$   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   r1   r   r   )datar   r2   r	   )r   r   Zdtypesr$   r9   )r'   df1df2r,   r+   r-   r-   r.   test_empty_dtype_coerce   s
   z'TestEmptyConcat.test_empty_dtype_coercec                 C   s   t ddgd}t ddgd}t|||g}t g dd}t|| t ddgd}t dgd}t||g}t ddgd}t|| d S )Nr   r   r   r   r   r   r   )r   r   r$   r%   )r'   ru   rv   r,   r+   Zdf3Zdf4r-   r-   r.   test_concat_empty_dataframe  s   z+TestEmptyConcat.test_concat_empty_dataframec                 C   sn   t g dg dd}t dg di}t|d d |d d g}|d jtjks+J |d jtjks5J d S )Nr0   rx   )r   r   r   r   r   )r   r   r7   r   rb   rc   )r'   ru   rv   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g dt di}| }t||g}t|| dS )z<48510 `concat` to an empty EA should maintain type EA dtype.r   rC   r0   N)r   rE   rf   Z
Int64Dtyper!   r   r$   r%   )r'   rq   Zdf_newr+   r,   r-   r-   r.   test_concat_to_empty_ea  s
   z'TestEmptyConcat.test_concat_to_empty_ea)__name__
__module____qualname__r/   r>   pytestmarkZparametrizerI   r   ra   rl   rc   Zfloat32rb   rP   rT   r`   re   rg   rh   rj   rm   rs   rw   ry   rz   r{   r-   r-   r-   r.   r      sN     

	(	
	r   )numpyr   r   ZpandasrE   r   r   r   r   r   Zpandas._testingZ_testingr$   r   r-   r-   r-   r.   <module>   s    