U
    sVc"                     @   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   L/tmp/pip-unpacked-wheel-xj8nt62q/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|s2td S )Nr         )r	   
isinstancer   AssertionError)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tt|t|ks.tt|jdrPt|jjd t	sPt|jj
|ks`tt |}|j|jksztt|jdrt|jjd t	std S )Nblocksr   )pdSeriesr   r   lenhasattr_mgrr   r   r   array)r   r   r   result2r   r   r   test_series_constructor   s    

z-BaseConstructorsTests.test_series_constructorc                 C   st   t jdddg|d}t j|gd dddg|d}| || t jg |d}t jg t jg dd|d}| || d S )Nr   r      indexr   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   sB   t j|dddg|d}t j|gd dddg|d}| || d S )Nr   r   r    r!   r   r   r$   r&   r   r   r   ,test_series_constructor_scalar_na_with_index0   s    zBBaseConstructorsTests.test_series_constructor_scalar_na_with_indexc                 C   s|   |d }t j|dddg|d}t j|gd dddg|d}| || t j|dg|d}t j|gdg|d}| || d S )Nr   r   r   r    r!   Zfoor)   )r   r   r   Zscalarr   r'   r   r   r   )test_series_constructor_scalar_with_index5   s    z?BaseConstructorsTests.test_series_constructor_scalar_with_indexfrom_seriesTFc                 C   s   |rt |}t d|i}|jd |jks0t|jt|dfksFtt|j	drht
|j	jd tshtt
|j	jd ts~td S )NAr   r   r   )r   r   	DataFramedtypesr   r   shaper   r   r   r   r   r   arraysr   )r   r   r,   r   r   r   r   $test_dataframe_constructor_from_dict?   s    
z:BaseConstructorsTests.test_dataframe_constructor_from_dictc                 C   sv   t t |}|jd |jks$t|jt|dfks:tt|j	dr\t
|j	jd ts\tt
|j	jd tsrtd S )Nr   r   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   sB   d}t jt|d& tj|d d dddddgd W 5 Q R X d S )	Nz;Length of values \(3\) does not match length of index \(5\))matchr    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$   strr.   Zastypeassert_frame_equal)r   r   r   r'   r   r   r   r   test_from_dtypeW   s    
z%BaseConstructorsTests.test_from_dtypec                 C   s   t |}| || d S )N)r   r   r
   r   r   r   r   test_pandas_arrayk   s    
z'BaseConstructorsTests.test_pandas_arrayc                 C   s:   t j|ttd}t jtj|td}| || d S r;   )	r   r   npr   r#   r1   ZPandasArrayZasarrayZassert_equal)r   r   r   r'   r   r   r   test_pandas_array_dtypep   s    z-BaseConstructorsTests.test_pandas_array_dtypec                 C   sF   t jdg|d}t jdt jg |dit jg ddd}| || d S )Na)columnsr   r   r#   r6   )r   r.   r   r%   r>   )r   r   r   r'   r   r   r   test_construct_empty_dataframev   s     z4BaseConstructorsTests.test_construct_empty_dataframec                 C   s   |  }|jd|d}t||s$t|j|ks2t|jdks@t|d}t||sXt|j|ksft|jdkstt|d}t||st|j|kst|jdkstd S )N)r5   r   r5   )Zconstruct_array_type_emptyr   r   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   markZparametrizer2   r3   r:   r?   r@   rB   rE   rI   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   