U
    Cvf                     @  s   d dl mZ 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 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d Zdd ZdS )     )annotationsN)assert_array_equal)assert_identical)mockc                 C  sT   t | t |ks$t| t|ks$tt| tjtjtjfrFt| | n
t	| | d S )N)
typefloatAssertionError
isinstancexr	DataArrayDatasetVariableassert_identical_r   ab r   </tmp/pip-unpacked-wheel-h316xyqg/xarray/tests/test_ufuncs.pyr      s    $r   c               
   C  sd   dt dtdgddgtjddgddtddddgfig} | D ]}t|d t | qFd S Nr      xZdimsy   )npzerosr
   r   r   r   r   cos)argsr   r   r   r   
test_unary   s    r   c               
   C  s   dt dtdgddgtjddgddtddddgfig} t| D ]\}}| |d  D ]l}t|d t ||d  t|d t ||d  t|d t |d | t|d t |d | q^qJd S r   )	r   r   r
   r   r   r   	enumerater   maximum)r   nt1t2r   r   r   test_binary    s    r$   c               
   C  sv   dt dtdgddgtjddgddtddddgfig} | D ]*}t |\}}t|d|  t|| qFd S )Nr   r   r   r   r   g      ?)r   onesr
   r   r   r   frexpr   )r   argZactual_mantissaZactual_exponentr   r   r   test_binary_out0   s    r(   c               	   C  s  t dddddgfidddddgfi} | d}|d}| d d}t| t|| t| t|| t| t|| t| t|| t| t||d  t| t|d | t| jt||j t| jt|j| tj	t
dd t| jj| W 5 Q R X d S )Nr   r   r   cr   z mismatched lengths for dimensionmatch)r
   r   groupbyZmeanr   r   r    r   pytestraises
ValueErrorvariable)ZdsZ
ds_groupedZ
group_meanZarr_groupedr   r   r   test_groupby>   s    (

r1   c               	   C  s   t ddddgfidddgi} t dddgfdddddgi}t| |}t dddgfiddgi}t|| t jd	d
J t| |}t jdtjdtjgftjdddddgid}t|| W 5 Q R X d S )Nr   r   r   r   r         r   outer)Zarithmetic_join)Zcoords)r
   r   r   addr   Zset_optionsnan)Zds1Zds2actualexpectedr   r   r   test_alignmentT   s     "
 r9   c                  C  s0   t d} tj| dtjd}|jtjks,td S )Nr   r   )dtype)r
   r   r   r5   Zfloat64r:   r   )r   resultr   r   r   test_kwargsd   s    
r<   c                  C  sR   G dd d} t dddg}|  }t||dks8ttj||ddksNtd S )Nc                   @  s   e Zd Zdd ZdS )z6test_xarray_defers_to_unrecognized_type.<locals>.Otherc                 _  s   dS )Notherr   )selfr   kwargsr   r   r   __array_ufunc__l   s    zFtest_xarray_defers_to_unrecognized_type.<locals>.Other.__array_ufunc__N)__name__
__module____qualname__r@   r   r   r   r   Otherk   s   rD   r   r   r2   r=   out)r
   r   r   r    r   sin)rD   
xarray_objr=   r   r   r   'test_xarray_defers_to_unrecognized_typej   s
    rI   c                  C  s^   t d} tjtdddgd}| jddd}t||}|jdksJtt	|tjsZtd S Nz
dask.array)r   r   r   r   r   )chunks)r   rL   
r-   Zimportorskipr
   r   r   r%   r5   rK   r   r	   dar   r   r;   r   r   r   test_xarray_handles_dasku   s    
rP   c                  C  s^   t d} tjtdddgd}| jddd}t||}|jdksJtt	|tjsZtd S rJ   rM   rN   r   r   r   test_dask_defers_to_xarray~   s    
rQ   c               	   C  s<   t dddg} tjtdd tj| d W 5 Q R X d S )Nr   r   r2   zreduce methodr*   )r
   r   r-   r.   NotImplementedErrorr   r5   reduce)rH   r   r   r   test_gufunc_methods   s    rT   c               	   C  sn   t dddg} tjtdd tj| d| d W 5 Q R X td}tj|| |d t|t	dddg d S )Nr   r   r2   z`out` argumentr*   rE   )r2   )
r
   r   r-   r.   rR   r   r5   r   r   array)rH   r=   r   r   r   test_out   s    
rV   c               	   C  sL   t dddg} tjdtjd}tjtdd | 	|d|  W 5 Q R X d S )	Nr   r   r2   z(n)->())	signatureZautospeczgeneralized ufuncsr*   __call__)
r
   r   r   ZMockr   rG   r-   r.   rR   r@   )rH   Zfake_gufuncr   r   r   test_gufuncs   s    rY   )
__future__r   Znumpyr   r-   Zxarrayr
   Zxarray.testsr   r   r   r   r   r$   r(   r1   r9   r<   rI   rP   rQ   rT   rV   rY   r   r   r   r   <module>   s&   		