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    `»{jq%  ã                   @   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ƒZdS )é    N)Ú	DataFrameÚIndexÚSeriesÚconcatÚ
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 ||¡ t dtdƒitdddd�d�}t ƒ }t||gdd�}t
 ||¡ t||gdd�}t
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 ||¡ d S )Né
   é   Úabcd©Úcolumnsé   ÚbarZfoor   )ÚaxisÚsortÚaÚbÚcÚdÚOÚAi'  Z20130101Ús)ZperiodsÚfreq©Úindexé   ©r   )r   ÚnpÚrandomZrandnÚlistÚcopyr   ZreindexÚastypeÚlocÚtmÚassert_frame_equalÚranger   )	Úselfr   ÚdfZbazÚemptyÚframesZ	concattedÚexpectedÚresult© r,   úe/var/www/html/bwave/python/venv/lib/python3.8/site-packages/pandas/tests/reshape/concat/test_empty.pyÚtest_handle_empty_objects   s.    
 ÿ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
œtdddgdd�d�}t ||¡ t dddgdd�}t ddd�}t||gdd	�}t dddgƒ}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œddgtdddgdd�d�}t ||¡ d S )Nr   é   é   Úx)ÚnameÚyÚfloat64)r2   Údtyper   )r1   r3   r   r   ©r5   r   )r1   r   )r   r   )	r   r   r   r   Únanr   r#   r$   Úassert_series_equal)r&   Ús1Ús2ÚresÚexpr,   r,   r-   Útest_concat_empty_series0   s,    þýz(TestEmptyConcat.test_concat_empty_seriesÚtzNÚUTCÚvaluesr   r/   r0   c                 C   sx   t g dd�j |¡}|rd ntj}t ||d�}tt tjgt|ƒ dd�j |¡|dœƒ}t	||gdd�}t
 ||¡ d S )NúM8[ns]r6   )r   r   r   r   )r   ÚdtZtz_localizer   r4   r   ÚpdZNaTÚlenr   r#   r$   )r&   r>   r@   Úfirstr5   Úsecondr*   r+   r,   r,   r-   Ú!test_concat_empty_series_timelikeM   s    þÿz1TestEmptyConcat.test_concat_empty_series_timelikezleft,right,expectedzm8[ns]rA   )ÚcategoryrH   rH   )rH   ÚobjectrI   c              	   C   sj   d }|t jks|t jkr&|t jk	r&t}tj|dd�� tt|d�t|d�gƒ}W 5 Q R X |j|ksft	‚d S )Nzconcatenating bool-dtype)Úmatchr6   )
r   Úbool_Úobject_ÚFutureWarningr#   Zassert_produces_warningr   r   r5   ÚAssertionError)r&   ÚleftÚrightr*   Úwarnr+   r,   r,   r-   Útest_concat_empty_series_dtypes_   s    "z/TestEmptyConcat.test_concat_empty_series_dtypesr5   r4   Zint8Zuint8Úboolc                 C   sR   t  |¡}tt|d�gƒ}|j|ks(t‚tt|d�t|d�gƒ}|j|ksNt‚d S )Nr6   )r   r5   r   r   rN   )r&   r5   r+   r,   r,   r-   Ú0test_concat_empty_series_dtypes_match_roundtripsx   s
    
z@TestEmptyConcat.test_concat_empty_series_dtypes_match_roundtripsÚdtype2c                    st   ||krd S dd„ ‰dd„ ‰ ‡ ‡fdd„}t  |¡}t  |¡}|||ƒ}tt|d�t|d�gƒj}|j|kspt‚d S )Nc                 S   sb   | j |j h}t|dddh ƒs6| j dks2|j dkr6dS t|ddh ƒs^| j dksZ|j dkr^dS d S )NÚiÚur   ©ÚkindrD   ©r5   rU   Ztypsr,   r,   r-   Úint_result_type�   s    ÿÿÿÿzSTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.int_result_typec                 S   s:   | j |j h}t|dddh ƒs6| j dks2|j dkr6dS d S )NÚfrV   rW   rX   rZ   r,   r,   r-   Úfloat_result_type›   s    ÿÿzUTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.float_result_typec                    s0   ˆ | |ƒ}|d k	r|S ˆ| |ƒ}|d k	r,|S dS )Nr   r,   )r5   rU   r+   ©r]   r[   r,   r-   Úget_result_type£   s    

zSTestEmptyConcat.test_concat_empty_series_dtypes_roundtrips.<locals>.get_result_typer6   )r   r5   r   r   rY   rN   )r&   r5   rU   r_   r*   r+   r,   r^   r-   Ú*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ƒjtjks0t‚d S )NrA   r6   )r   r   r   rK   Úint64r5   rL   rN   ©r&   r,   r,   r-   Ú&test_concat_empty_series_dtypes_triple²   s    ÿýÿz6TestEmptyConcat.test_concat_empty_series_dtypes_triplec                 C   s.   t tt g ¡dd�tdd�gƒjdks*t‚d S )NrH   r6   r4   )r   r   r   Úarrayr5   rN   rb   r,   r,   r-   Ú2test_concat_empty_series_dtype_category_with_array»   s    ÿýÿzBTestEmptyConcat.test_concat_empty_series_dtype_category_with_arrayc                 C   s¤   t tdd� d¡tdd� d¡gƒ}|jdks2t‚t tdd� d¡tdd�gƒ}t tj¡}|j|ksjt‚t tdd� d¡tdd�gƒ}t d¡}|j|ks t‚d S )Nr4   r6   ZSparsezSparse[float64]rI   )	r   r   r!   r5   rN   rC   ZSparseDtyper   r4   )r&   r+   r*   r,   r,   r-   Ú&test_concat_empty_series_dtypes_sparseÄ   s     þÿÿÿ
z6TestEmptyConcat.test_concat_empty_series_dtypes_sparsec                 C   sT   t dddgtjdddgdœƒ}t |jd�}t||gdd�}| t¡}t ||¡ d S )Nr   r   r/   r0   )ÚRowZEmptyColZ	NumberColr   r   )	r   r   r7   r   r   r!   rI   r#   r$   )r&   Zdf_1Zdf_2r+   r*   r,   r,   r-   Ú!test_concat_empty_df_object_dtypeÙ   s
    
z1TestEmptyConcat.test_concat_empty_df_object_dtypec                 C   sæ   t tdƒd�}|d  tj¡|d< |d  tj¡|d< |d  tj¡|d< t||gƒ}|d jtjksjt	‚|d jtjks~t	‚|d jtjks’t	‚t|| tj¡gƒ}|d jtj
ksºt	‚|d jtjksÎt	‚|d jtjksât	‚d S )NÚabcr   r   r   r   )r   r   r!   r   rK   Úint32r4   r   r5   rN   rL   )r&   r'   r+   r,   r,   r-   Ú"test_concat_empty_dataframe_dtypesá   s    z2TestEmptyConcat.test_concat_empty_dataframe_dtypesc                 C   sn   t ƒ }t dddgiddgdd�}t dg ig dd�}d|fd|ffD ]&\}}t||gd|d	�}t ||¡ qBd S )
Nr   r   r/   r   ra   )r   r5   ÚinnerÚouter)r   Újoin©r   r   r#   r$   )r&   Zdf_emptyZdf_aZdf_expectedÚhowr*   r+   r,   r,   r-   Útest_concat_inner_join_emptyñ   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ƒ}|j}t |j|¡ d S )Nr   r/   r   r   )Údatar   r0   r	   )r   r   Zdtypesr#   r8   )r&   Údf1Údf2r+   r*   r,   r,   r-   Útest_empty_dtype_coerceû   s
    z'TestEmptyConcat.test_empty_dtype_coercec                 C   sŠ   t ddgd�}t ddgd�}t|||gƒ}t dddgd�}t ||¡ t ddgd�}t dgd�}t||gƒ}t ddgd�}t ||¡ d S )Nr   r   r   r   ro   )r&   rs   rt   r+   r*   Zdf3Zdf4r,   r,   r-   Útest_concat_empty_dataframe	  s    z+TestEmptyConcat.test_concat_empty_dataframec                 C   st   t dddgdddgdœƒ}t ddddgiƒ}t|d d… |d d… gƒ}|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   ra   rN   rL   )r&   rs   rt   r+   r,   r,   r-   Ú,test_concat_empty_dataframe_different_dtypes  s
    z<TestEmptyConcat.test_concat_empty_dataframe_different_dtypes)Ú__name__Ú
__module__Ú__qualname__r.   r=   ÚpytestÚmarkZparametrizerG   r   rK   rj   Zfloat32rL   ra   rR   rT   r`   rc   re   rf   rh   rk   rq   ru   rv   rw   r,   r,   r,   r-   r      sL    õþ
	 ÿ
	þ)		
r   )Únumpyr   r{   ZpandasrC   r   r   r   r   r   Zpandas._testingZ_testingr#   r   r,   r,   r,   r-   Ú<module>   s
   