U
    sVc                  	   @   s  d dl mZ d dlZd dlZ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mZ d dlmZ d dlmZ d dlmZ ejdd Zedejd	d
ddddgdd ZeeedddZedejdddgdd Z ededdd Z!e"ddd Z#dS )    )BytesION)	DataFrame
date_rangeread_csv
read_excel	read_jsonread_parquet)_compression_to_extension)_test_decoratorsc                    sN   ddl m}m} |j  t  dd  _G  fddd|}| d|  S )z"Emulate GCS using a binary buffer.r   AbstractFileSystemregistryc                   S   s   dS )NT r   r   r   </tmp/pip-unpacked-wheel-xj8nt62q/pandas/tests/io/test_gcs.py<lambda>!       zgcs_buffer.<locals>.<lambda>c                       s    e Zd Z fddZdd ZdS )z%gcs_buffer.<locals>.MockGCSFileSystemc                     s     d  S )Nr   )seek)argskwargs
gcs_bufferr   r   open$   s    
z*gcs_buffer.<locals>.MockGCSFileSystem.openc                 [   s   |ddgS )Nfile)nametyper   )selfpathr   r   r   r   ls(   s    z(gcs_buffer.<locals>.MockGCSFileSystem.lsN)__name__
__module____qualname__r   r   r   r   r   r   MockGCSFileSystem#   s   r!   gcsfs.GCSFileSystem)fsspecr   r   targetclearr   closesetattr)monkeypatchr   r   r!   r   r   r   r      s    

	r   Zgcsfsformatcsvjsonparquetexcelmarkdownc                 C   s  ddl m} |j  tddgdtjgddgtdd	d
d}d| }|dkrp|j|dd t	|dgdd}n|dkrd}|
| t|dgdd}nj|dkr|| t|dgd}nH|dkrtd || t|}n"|dkrtd || |}t|| dS )zE
    Test that many to/read functions support GCS.

    GH 33987
    r   r                @ts
2018-06-18   Zperiodsintfloatstrdtzgs://test/test.r*   T)indexr<   )Zparse_dates	index_colr-   zgs://test/test.xlsr+   )Zconvert_datesr,   Zpyarrowr.   ZtabulateN)r#   r   r$   r%   r   npnanr   to_csvr   Zto_excelr   Zto_jsonr   pytestZimportorskip
to_parquetr   Zto_markdowntmassert_frame_equal)r   r)   r   df1r   Zdf2r   r   r   test_to_read_gcs1   s:    

	








rG   )resultexpectedcompressionc              
   C   s(  |dkrjt t| L}t t|2}t| | D ]\}}|j|jks:tq:W 5 Q R X W 5 Q R X n|dkrtjt| d}tjt|dn}t|	 |	 D ]T\}	}
|
|	}|
|
}|dk|dkkst|dk	r|dk	r| | kstqW 5 Q R X W 5 Q R X n| |ks$tdS )a  
    For zip compression, only compare the CRC-32 checksum of the file contents
    to avoid checking the time-dependent last-modified timestamp which
    in some CI builds is off-by-one

    See https://en.wikipedia.org/wiki/ZIP_(file_format)#File_headers
    ziptar)fileobjN)zipfileZipFiler   rK   infolistCRCAssertionErrortarfiler   
getmembersextractfileread)rH   rI   rJ   expresZres_infoZexp_infoZtar_expZtar_resZtar_res_infoZtar_exp_infoZactual_fileZexpected_filer   r   r   assert_equal_zip_safe^   s,    (
 

,rY   encodingzutf-8cp1251c                 C   s  ddl m} |j  t }d|i}|dkr6d|d< t }|j|||dd d	}|j|||d
 |  }| }	t	||	| t
|d||d}
t||
 t| }d|d< |d| 7 }|j|||d
 |  }| }	t	||	| t
|dd|d}
t||
 dS )z
    Compression and encoding should with GCS.

    GH 35677 (to_csv, compression), GH 26124 (to_csv, encoding), and
    GH 32392 (read_csv, encoding)
    r   r/   methodgzipr0   mtimewb)rJ   rZ   modegs://test/test.csv)rJ   rZ   )r>   rJ   rZ   Zinfer.N)r#   r   r$   r%   rD   ZmakeDataFramer   rA   getvaluerY   r   rE   r	   )r   Zcompression_onlyrZ   r   ZdfrJ   bufferZpath_gcsrX   rI   Zread_dfZfile_extr   r   r   $test_to_csv_compression_encoding_gcs}   s:    	
   re   fastparquetc                    sx   ddl m}m} |j  tddgdtjgddgtdd	d
d}G  fddd|}| 	d| |j
ddddd dS )zCRegression test for writing to a not-yet-existent GCS Parquet file.r   r   r0   r1   r2   r3   r4   r5   r6   r7   r8   c                       s   e Zd Zd fdd	ZdS )z7test_to_parquet_gcs_new_file.<locals>.MockGCSFileSystemrc                    s    d|krt ttj d|S )Nwztest.parquet)FileNotFoundErrorr   osr   join)r   r   r`   r   tmpdirr   r   r      s    z<test_to_parquet_gcs_new_file.<locals>.MockGCSFileSystem.openN)rg   )r   r   r    r   r   rl   r   r   r!      s   r!   r"   ra   Trf   N)r=   ZenginerJ   )r#   r   r   r$   r%   r   r?   r@   r   r'   rC   )r(   rm   r   r   rF   r!   r   rl   r   test_to_parquet_gcs_new_file   s"    

	   rn   c                	   C   s"   t t td W 5 Q R X d S )Nra   )rD   Zexternal_error_raisedImportErrorr   r   r   r   r   test_gcs_not_present_exception   s    rp   )$ior   rj   rS   rN   Znumpyr?   rB   Zpandasr   r   r   r   r   r   Zpandas._testingZ_testingrD   Z pandas.tests.io.test_compressionr	   Zpandas.utilr
   tdZfixturer   Z
skip_if_nomarkZparametrizerG   bytesr;   rY   re   rn   Zskip_if_installedrp   r   r   r   r   <module>   s.    
+-