a
    Gb"                     @   sP   d dl Zd dlZd dlZd dlmZ d dlmZ d dl	m
Z
 G dd de
ZdS )    N)ExtensionArray)EABackedBlock)BaseExtensionTestsc                   @   s   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Ze	j
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 S )!BaseConstructorsTestsc                 C   sP   t |j||jd}| || |d d }t |j||jd}| || d S )Ndtyper   )type_from_sequencer   assert_extension_array_equalselfdataresult r   Glib/python3.9/site-packages/pandas/tests/extension/base/constructors.pytest_from_sequence_from_cls   s
    z1BaseConstructorsTests.test_from_sequence_from_clsc                 C   s6   |d |d |d g}| |}t|t|s2J d S )Nr         )r	   
isinstancer   )r   r   Zscalarsr   r   r   r   test_array_from_scalars   s    
z-BaseConstructorsTests.test_array_from_scalarsc                 C   s   t |}|j|jksJ t|t|ks.J t|jdrPt|jjd tsPJ |jj	|u s`J t |}|j|jkszJ t|jdrt|jjd tsJ d S )Nblocksr   )
pdSeriesr   lenhasattr_mgrr   r   r   array)r   r   r   result2r   r   r   test_series_constructor   s    

z-BaseConstructorsTests.test_series_constructorc                 C   sp   t jg d|d}t j|gd g d|d}| || t jg |d}t jg t jg dd|d}| || d S )Nr   r      indexr   r    objectr   )r   r   assert_series_equalIndexr   r   Zna_valuer   expectedr   r   r   *test_series_constructor_no_data_with_index&   s    z@BaseConstructorsTests.test_series_constructor_no_data_with_indexc                 C   s>   t j|g d|d}t j|gd g d|d}| || d S )Nr   r!   r    r   r   r$   r&   r   r   r   ,test_series_constructor_scalar_na_with_index0   s    zBBaseConstructorsTests.test_series_constructor_scalar_na_with_indexc                 C   sx   |d }t j|g d|d}t j|gd g d|d}| || t j|dg|d}t j|gdg|d}| || d S )Nr   r   r!   r    Zfoor)   )r   r   r   Zscalarr   r'   r   r   r   )test_series_constructor_scalar_with_index5   s    z?BaseConstructorsTests.test_series_constructor_scalar_with_indexfrom_seriesTFc                 C   s   |rt |}t d|i}|jd |jks0J |jt|dfksFJ t|jdrht	|jj
d tshJ t	|jjd ts~J d S )NAr   r   r   )r   r   	DataFramedtypesr   shaper   r   r   r   r   r   arraysr   )r   r   r,   r   r   r   r   $test_dataframe_constructor_from_dict?   s    
z:BaseConstructorsTests.test_dataframe_constructor_from_dictc                 C   sv   t t |}|jd |jks$J |jt|dfks:J t|jdr\t	|jj
d ts\J t	|jjd tsrJ d S )Nr   r   r   )r   r.   r   r/   r   r0   r   r   r   r   r   r   r1   r   r   r   r   r   test_dataframe_from_seriesJ   s    z0BaseConstructorsTests.test_dataframe_from_seriesc                 C   sP   d}t jt|d* tj|d d g dd W d    n1 sB0    Y  d S )Nz;Length of values \(3\) does not match length of index \(5\))matchr    )r   r   r   r       r"   )pytestZraises
ValueErrorr   r   )r   r   msgr   r   r   )test_series_given_mismatched_index_raisesR   s    z?BaseConstructorsTests.test_series_given_mismatched_index_raisesc                 C   s   |j }t|}tjt||d}| || tjt|t|d}| || t||}tjt||d}| || tjt|t|d}| || d S Nr   )	r   r   r   listr$   strr.   Zastypeassert_frame_equal)r   r   r   r'   r   r   r   r   test_from_dtypeW   s    
z%BaseConstructorsTests.test_from_dtypec                 C   s   t |}| || d S )N)r   r   r
   r   r   r   r   test_pandas_arrayk   s    
z'BaseConstructorsTests.test_pandas_arrayc                 C   s:   t j|ttd}t jtj|td}| || d S r;   )	r   r   npr   r#   r1   ZPandasArrayZasarrayZassert_equal)r   r   r   r'   r   r   r   test_pandas_array_dtypep   s    z-BaseConstructorsTests.test_pandas_array_dtypec                 C   sF   t jdg|d}t jdt jg |dit jg ddd}| || d S )Na)columnsr   r   r#   r6   )r   r.   r   r%   r>   )r   r   r   r'   r   r   r   test_construct_empty_dataframev   s
    z4BaseConstructorsTests.test_construct_empty_dataframec                 C   s   |  }|jd|d}t||s$J |j|ks2J |jdks@J |d}t||sXJ |j|ksfJ |jdkstJ |d}t||sJ |j|ksJ |jdksJ d S )N)r5   r   r5   )Zconstruct_array_typeZ_emptyr   r   r0   empty)r   r   clsr   r   r   r   r   
test_empty~   s    

z BaseConstructorsTests.test_emptyN)__name__
__module____qualname__r   r   r   r(   r*   r+   r7   ZmarkZparametrizer2   r3   r:   r?   r@   rB   rE   rH   r   r   r   r   r   
   s   



r   )ZnumpyrA   r7   Zpandasr   Zpandas.api.extensionsr   Zpandas.core.internals.blocksr   Z pandas.tests.extension.base.baser   r   r   r   r   r   <module>   s   