o
    }o™iy!  ã                   @  sð   U d Z ddlmZ ddlZddlZddlZddlmZmZm	Z	 e 
d¡gZded< ej ¡ r6e e 
d¡¡ ejjd	d
„ ƒZejjej de¡ddd„ƒƒZejfddd„Zejjej de¡ddd„ƒƒZejjej de¡ddd„ƒƒZdS )zŒUnit tests for `StreamingBatchedAudioBuffer` and accompanying helper
classes defined in
`nemo.collections.asr.parts.utils.streaming_utils`.
é    )ÚannotationsN)ÚContextSizeÚContextSizeBatchÚStreamingBatchedAudioBufferÚcpuzlist[torch.device]ÚDEVICESzcuda:0c                  C  st   t dddd} |  ¡ dksJ ‚| jdd}t|t ƒsJ ‚|jdkr+|jdkr+|jdks-J ‚| ¡ t d¡ks8J ‚d S )	Né   é   é   ©ÚleftÚchunkÚrighté   )Úfactorr   g      @)	r   ÚtotalÚ	subsampleÚ
isinstancer   r   r   ÚmathÚfloor)ÚctxÚhalf_ctx© r   úh/home/ubuntu/.local/lib/python3.10/site-packages/tests/collections/asr/decoding/test_streaming_buffer.pyÚ%test_context_size_total_and_subsample*   s   "r   Údeviceútorch.devicec                 C  sÀ   t jddgt j| d}t jddgt j| d}t jddgt j| d}t|||d}|| | }t  | ¡ |¡s8J ‚| d¡}t  |j|d ¡sHJ ‚t  |j|d ¡sSJ ‚t  |j	|d ¡s^J ‚d S )Nr   ©Údtyper   r	   r   )
ÚtorchÚtensorÚlongr   Úequalr   r   r   r   r   )r   r   r   r   Ú	batch_ctxÚexpected_totalr   r   r   r   Ú+test_context_size_batch_total_and_subsample5   s   
r%   Ú
batch_sizeÚintÚlengthr   útorch.dtypec                 C  s    t j| | ||d}| | |¡S )z9Create a dummy audio batch of shape (batch_size, length).)r   r   )r   ÚarangeÚview)r&   r(   r   r   Úvalsr   r   r   Ú_create_audio_batchM   s   r-   c           	   	   C  sn  d}t dddd}t||tj| d}|j|j }t||| ƒ}tj|g|tj| d}|j	||dtj
|tj| dd |jjd	ksAJ ‚|jj|jksJJ ‚|jj|jksSJ ‚|jjd |ks]J ‚|j}t||| ƒ}| |¡ |j	||dtj
|tj| dd |jjdksƒJ ‚|jj|jksŒJ ‚|jj|jks•J ‚|jjd d
ksŸJ ‚|j	||dtj
|tj| dd |jjd | ¡ ks»J ‚|j ¡ | ¡ ksÆJ ‚|j	||dtj
|tj| dd |jjd | ¡ ksâJ ‚|j ¡ | ¡ ksíJ ‚|jj|jksöJ ‚d}t||| ƒ}| |¡ |j	||dtj|tj| dd |jjd	ksJ ‚|j ¡ | ¡ ks(J ‚|jjd | ¡ ks5J ‚d S )Nr	   r   r
   r   ©r&   Úcontext_samplesr   r   r   F©Úaudio_batchÚaudio_lengthsÚis_last_chunkÚis_last_chunk_batchr   é   T)r   r   r   Úfloat32r   r   r-   Úfullr!   Úadd_audio_batch_ÚzerosÚboolÚcontext_sizer   ÚsamplesÚshapeÚfill_r   Úones)	r   r&   Úexpected_ctxÚbufferÚ	first_lenr1   Ú
audio_lensÚ	chunk_lenÚlast_lenr   r   r   Ú#test_streaming_batched_audio_bufferT   sŠ   ü
ÿúü
üüü
ürF   c              
   C  s¢   t dddd}td|tj| d}|j|j d }td|| ƒ}tj|gtj| d}t	 
t¡ |j||dtjdgtj| dd W d	  ƒ d	S 1 sJw   Y  d	S )
zO`add_audio_batch_` should raise if provided chunk is larger than chunk + right.r   r	   r
   r   r.   r   Fr0   N)r   r   r   r6   r   r   r-   r    r!   ÚpytestÚraisesÚ
ValueErrorr8   r:   )r   r@   rA   Útoo_long_chunk_sizeÚaudiorC   r   r   r   Ú<test_streaming_batched_audio_buffer_raises_on_too_long_chunkÀ   s$   üü"ÿrL   )r   r   )r&   r'   r(   r'   r   r   r   r)   )Ú__doc__Ú
__future__r   r   rG   r   Ú0nemo.collections.asr.parts.utils.streaming_utilsr   r   r   r   r   Ú__annotations__ÚcudaÚis_availableÚappendÚmarkÚunitr   Úparametrizer%   r6   r-   rF   rL   r   r   r   r   Ú<module>   s*   


j