o
    _~#g(                     @   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   s<  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 	|sBt
n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   zstring[pyarrow_numpy]r
   Ai'  20130101s)periodsfreqindex   r   )r   nprandomdefault_rngstandard_normallistcopyr   reindexastypeobjectloctmassert_frame_equalranger   )
selfr   using_infer_stringdfdfcopyemptyframes	concattedexpectedresult r6   /var/www/static.ux5.de/https/Moving-Object-Detection-with-OpenCV/env/lib/python3.10/site-packages/pandas/tests/reshape/concat/test_empty.pytest_handle_empty_objects   s4   
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}d}tjt	|d t||gdd}W d    n1 sYw   Y  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   r      x)nameyfloat64)r<   dtyper   r   )r;   r=   r:   r   zDThe behavior of array concatenation with empty entries is deprecated)matchr   )r;   r   )r   r   )r   r   r   r    nanr   r*   r+   assert_produces_warningFutureWarningassert_series_equal)r-   s1s2resexpmsgr6   r6   r7   test_concat_empty_series4   s2   z(TestEmptyConcat.test_concat_empty_seriestzNUTCvaluesr9   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]r?   )r   r   r   r   )r   dttz_localizer    r>   r   pdNaTlenr   r*   r+   )r-   rK   rM   firstr?   secondr4   r5   r6   r6   r7   !test_concat_empty_series_timelikeS   s   z1TestEmptyConcat.test_concat_empty_series_timelikezleft,right,expectedm8[ns]rN   )categoryrY   rY   )rY   r(   r(   c                 C   s*   t t|dt|dg}|j|ksJ d S NrO   )r   r   r?   )r-   leftrightr4   r5   r6   r6   r7   test_concat_empty_series_dtypese   s   z/TestEmptyConcat.test_concat_empty_series_dtypesr?   )r>   int8uint8boolrX   rN   c                 C   sR   t |}tt|dg}|j|ksJ tt|dt|dg}|j|ks'J d S rZ   )r    r?   r   r   )r-   r?   r5   r6   r6   r7   0test_concat_empty_series_dtypes_match_roundtripsz   s
   
z@TestEmptyConcat.test_concat_empty_series_dtypes_match_roundtrips)r>   r^   r_   rX   rN   dtype2c                    sz   ||kr	t d dd dd   fdd}t|}t|}|||}tt|dt|dgj}|j|ks;J d S )	Nz%same dtype is not applicable for testc                 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>   r   iurc   rd   r   kindrT   r?   rb   typsr6   r6   r7   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>   frc   rd   rj   re   rg   r6   r6   r7   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 )NOr6   )r?   rb   r5   rk   ri   r6   r7   get_result_type   s   

zSTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.get_result_typerO   )pytestskipr    r?   r   r   rf   )r-   r?   rb   rn   r4   r5   r6   rm   r7   *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 )NrN   rO   )r   r   r    bool_int64r?   object_r-   r6   r6   r7   &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 )NrY   rO   r>   )r   r   r    arrayr?   ru   r6   r6   r7   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 )Nr>   rO   SparsezSparse[float64]r(   )r   r   r'   r?   rR   SparseDtyper    r>   )r-   r5   r4   r6   r6   r7   &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   r9   )RowEmptyCol	NumberColr   r   r   )	r   r    rA   r   r   r'   r(   r*   r+   )r-   df_1df_2r5   r4   r6   r6   r7   !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    rr   int32r>   r   r?   rt   )r-   r/   r5   r6   r6   r7   "test_concat_empty_dataframe_dtypes   s   z2TestEmptyConcat.test_concat_empty_dataframe_dtypesc                 C   sv   t  }t dddgiddgdd}t dg itddd}t||gddd}t|| t||gdd	d}t|| d S )
Nr   r   r   r   rs   )r   r?   inner)r   joinouter)r   r   r   r*   r+   )r-   df_emptydf_adf_expectedr5   r6   r6   r7   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   r:   r
   )r   r   dtypesr*   rD   )r-   df1df2r5   r4   r6   r6   r7   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-   r   r   r5   r4   df3df4r6   r6   r7   test_concat_empty_dataframe
  s   z+TestEmptyConcat.test_concat_empty_dataframec                 C   sv   t g dg dd}t dg di}t|d d |d d g}|d jtjks+J |s7|d jtjks9J d S d S )Nr9   r   )r   r   r   r   r   )r   r   r?   r    rs   rt   )r-   r.   r   r   r5   r6   r6   r7   ,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   rO   r9   N)r   rR   rw   
Int64Dtyper%   r   r*   r+   )r-   r   df_newr4   r5   r6   r6   r7   test_concat_to_empty_ea!  s
   z'TestEmptyConcat.test_concat_to_empty_ea)__name__
__module____qualname__r8   rJ   ro   markparametrizerW   r    rr   r   rt   float32rs   r]   ra   rq   rv   rx   r{   r   r   r   r   r   r   r   r6   r6   r6   r7   r      sN    $

	(		r   )numpyr    ro   pandasrR   r   r   r   r   r   pandas._testing_testingr*   r   r6   r6   r6   r7   <module>   s    