o
    ci                     @   s   d dl Zd dlZd dlZd dlmZmZ ejg dg dg dge	dZ
ej e
jZdd Zd	d
 Zejdddgdd Zejdddgdd Zejdddgdd Zejdddgdd ZdS )    N)pixel_graphcentral_pixel)   r   r   )r   r   r   )r   r   r   )dtypec                  C   sf   t tdd\} }| jdksJ t| jdksJ tjt| jdt	dg tj
|g d d S )N   connectivity)   r	      r   r   r	         )r   maskshapelendatanptestingassert_allcloseuniquesqrtassert_array_equalgn r   n/var/www/addictedbytheproject.nl/epg/venv/lib/python3.10/site-packages/skimage/graph/tests/test_pixel_graph.pytest_small_graph   s
    r   c                  C   s   t tdd\} }t| tjjsJ t tddd\} }t| tjjs#J t tddd\} }t| tjjs5J tjt	dd t tddd W d    d S 1 sOw   Y  d S )	Nr   r   matrixr   sparse_typearrayz)`sparse_type` must be 'array' or 'matrix')matchunknown)
r   r   
isinstancespsparse
csr_matrix	csr_arraypytestraises
ValueErrorr   r   r   r   test_pixel_graph_return_type   s   "r,   r    r   r!   c                 C   s   t td| d\}}t||tjd\}}tj|d td}tj||d d |d |d d |d d g t||\}}|dksEJ t|\}}|dksQJ d S )Nr   r   )r   r   r      r	   r   )	r   r   r   r   r   r   r   r   r   )r    r   r   pxdss2_r   r   r   test_central_pixel!   s   
2r3   c                 C   s   dd }t ttd|| d\}}td}tj|d ttd td  |  tj|d ttd td  d	  tj|g d
 d S )Nc                 S   s   t | | | S )Nr   abs)
values_src
values_dst	distancesr   r   r   	edge_func4      z%test_edge_function.<locals>.edge_funcr   )r   r   edge_functionr    r   r   r   r   r-   )r   r   r   r   )	r   imager   r   r   r   r   r5   r   )r    r9   r   r   r1   r   r   r   test_edge_function2   s   

((r?   c              	   C   sx   t ttddg| d\}}t|jd }|dksJ tj|d dttd td    tj	|t
tj d S )Ng(\?)spacingr    r      r<   r=   )r   r>   r   r!   r   r   r   assert_almost_equalr5   r   arangesize)r    r   r   	num_edgesr   r   r   test_default_edge_funcD   s
   (rF   c                 C   s   t g dg dg dg}dd }t g dg dg dg d	g d
g dg dg dg dg	d }t||| d\}}t j|t |j t j| | dS )zOEnsure function `pixel_graph` runs when passing `edge_function` but not `mask`.)r   r   r.   )r	   r      )r   r
   	   c                 S   s   t | | d S )N      ?r4   )xyzr   r   r   funcR   r:   z)test_no_mask_with_edge_func.<locals>.func)	              ?rN         @rN   rN   rN   rN   rN   )	rO   rN   rO   rN   rP   rN   rN   rN   rN   )	rN   rO   rN   rN   rN   rP   rN   rN   rN   )	rP   rN   rN   rN   rO   rN   rP   rN   rN   )	rN   rP   rN   rO   rN   rO   rN   rP   rN   )	rN   rN   rP   rN   rO   rN   rN   rN   rP   )	rN   rN   rN   rP   rN   rN   rN   rO   rN   )	rN   rN   rN   rN   rP   rN   rO   rN   rO   )	rN   rN   rN   rN   rN   rP   rN   rO   rN   rI   )r;   r    N)r   r!   r   r   r   rC   rD   toarray)r    r>   rM   
expected_gr   r   r   r   r   test_no_mask_with_edge_funcM   s(   rS   )numpyr   scipyr%   r)   skimage.graph._graphr   r   r!   boolr   randomdefault_rngr   r>   r   r,   markparametrizer3   r?   rF   rS   r   r   r   r   <module>   s      


