o
    :ήcY	                     @   s   d dl Zd dlZd dlmZ d dlmZmZmZm	Z	 d dl
mZ d dlmZmZmZ ed ejd  dd Zed	d
dd Zdd Zdd Zdd Zdd Zdd ZG dd dejZdS )    N)NamedTemporaryFile)imreadimsave
use_pluginreset_plugins)testing)importorskipraisesfixture	SimpleITKc                   C   s
   t   d S )N)r    r   r   F/tmp/pip-target-vg8gfxp4/lib/python/skimage/io/tests/test_simpleitk.pyteardown   s   
r   T)autousec                   c   s    t d dV  dS )zmThis ensures that `use_plugin` is directly called before all tests to
    ensure that SimpleITK is used.
    	simpleitkN)r   r   r   r   r   setup_plugin   s   
r   c                  C   s`   t tddd} | jdksJ | jtjksJ t tddd} t| jtjd v s.J d S )Nzdata/color.pngT)as_gray   zdata/camera.png
AllInteger)	r   r   fetchndimdtypenpfloat64sctype2char	typecodes)imgr   r   r   test_imread_as_gray   s
   r   c                  C   s8   t d} d| d d d< ttd}t j||  d S )N
   r      r   zdata/checker_bilevel.png)r   zerosr   r   r   assert_array_equalexpectedr   r   r   r   test_bilevel&   s   
r%   c                   C   s<   t t ttd W d    d S 1 sw   Y  d S )Nzdata/truncated.jpg)r	   RuntimeErrorr   r   r   r   r   r   r   test_imread_truncated_jpg.   s   
"r'   c                  C   sD   t td} ttd}t |jt jsJ t j||  d S )Ndata/chessboard_GRAY_U8.npyzdata/chessboard_GRAY_U16.tif)	r   loadr   r   r   
issubdtyper   uint16assert_array_almost_equalr#   r   r   r   test_imread_uint163   s   r-   c                  C   s0   t td} ttd}t j||  d S )Nr(   zdata/chessboard_GRAY_U16B.tif)r   r)   r   r   r   r,   r#   r   r   r   test_imread_uint16_big_endian:   s   r.   c                   @   s   e Zd Zdd Zdd ZdS )TestSavec                 C   s<   t dd}|j}|  t|| t|}tj|| d S )Nz.mha)suffix)r   namecloser   r   r   r   r,   )selfr   xffnameyr   r   r   	roundtripA   s   

zTestSave.roundtripc                 c   s~    dD ]9}t jt jt jt jfD ],}t j||dt jj|  }t |t j	r-| j
||fV  q|d |}| j
||fV  qqd S )N)r   )r   r      )r   r      )r   r    )r   uint8r+   float32r   onesrandomrandr*   floatingr8   astype)r3   shaper   r4   r   r   r   test_imsave_roundtripJ   s   zTestSave.test_imsave_roundtripN)__name__
__module____qualname__r8   rC   r   r   r   r   r/   @   s    	r/   )numpyr   unittesttempfiler   
skimage.ior   r   r   r   skimage._sharedr   pytestr   r	   r
   r>   seedr   r   r   r%   r'   r-   r.   TestCaser/   r   r   r   r   <module>   s"    
	