a
    GGb_A                     @   s   d 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	Z
ddl	mZmZmZmZmZmZ ddlmZ ddlmZ G dd dZejd	dd
gdd Zejd	ddgdd Zdd ZdS )z
Collection of tests asserting things that should be true for
any index subclass except for MultiIndex. Makes use of the `index_flat`
fixture defined in pandas/conftest.py.
    N)IS64)is_integer_dtype)CategoricalIndexDatetimeIndex
MultiIndexPeriodIndex
RangeIndexTimedeltaIndex)NumericIndexc                   @   s   e Z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d Zdd Zdd Zdd Zdd Zdd Zd d! Zd"d# Zejd$g d%d&d' Zd(d) Zd*d+ ZdS ),
TestCommonnameNnew_namec                 C   s   |}|r|}n
|j pd}|j|d}|j|u s2J t|jdksDJ |jd |ksVJ || j|jusjJ |jd|d}|j|usJ d S )Nr   r      F)indexr   )r   Zto_framer   lencolumnsvalues)selfr   
index_flatidxZidx_nameZdf r   ?lib/python3.9/site-packages/pandas/tests/indexes/test_common.pytest_to_frame   s    
zTestCommon.test_to_framec              	   C   s   |}| g |sJ |j|jgfD ]X}t|jtrB||ju rBq&d}tjt|d | | W d    q&1 st0    Y  q&ddgfD ]<}tjtdd | | W d    q1 s0    Y  qd S )NzTCannot remove 1 levels from an index with 1 levels: at least one level must be left.matchwrongz>'Requested level \(wrong\) does not match index name \(None\)')	Z	droplevelequalsr   
isinstancetuplepytestraises
ValueErrorKeyError)r   r   r   levelmsgr   r   r   test_droplevel1   s    *zTestCommon.test_droplevelc                 C   s   |}d}dgg}t jt|d |j|d W d    n1 s@0    Y  t jt|d |j|d W d    n1 sz0    Y  d S )Nz"Index.name must be a hashable type1r   r   )names)r    r!   	TypeErrorrename	set_names)r   r   r   messageZrenamedr   r   r   "test_constructor_non_hashable_nameJ   s    *z-TestCommon.test_constructor_non_hashable_namec                 C   s$   |}t ||}t|j|j d S N)typetmZassert_equal_data)r   r   abr   r   r   test_constructor_unwraps_indexY   s    z)TestCommon.test_constructor_unwraps_indexc                 C   s   |}|  }t|| d S r.   )Zto_flat_indexr0   assert_index_equal)r   r   r   resultr   r   r   test_to_flat_index^   s    zTestCommon.test_to_flat_indexc                 C   s   |}d}|j }||g}|j |ks(J |j |ks6J |j|dd}|d u sPJ |j |ks^J |j|gksnJ tjtdd |jddd W d    n1 s0    Y  d	}|j|dd |j |ksJ |j|gksJ d S )
Nz#This is the new name for this indexTZinplacezLevel must be Noner   r2   r   r$   )AB)r   r+   r*   r(   r    r!   r"   )r   r   r   r   original_nameZnew_indresr   r   r   r   test_set_name_methodse   s     ,z TestCommon.test_set_name_methodsc                 C   sd   ddl m }m} |}||fD ]&}||}||us4J ||sJ q|j ddd}|jdks`J d S )Nr   )copydeepcopyTZbanana)deepr   )r?   r@   r   r   )r   r   r?   r@   r   funcZidx_copyZnew_copyr   r   r   test_copy_and_deepcopy   s    z!TestCommon.test_copy_and_deepcopyc                 C   s   |}t ||ddd}t ||dd}||us2J t|| ||sLJ |jdksZJ |jdkshJ tjd|d}tjd|d d	 d}|| }|jjdksJ d S )
NTmario)r?   r   F)r?      )r      )r/   r0   r5   r   r   pdSeriesr   )r   r   r   firstseconds1s2Zs3r   r   r   test_copy_name   s    zTestCommon.test_copy_namec                 C   s   |}|j ddjdksJ tjtdd  |j ddgd W d    n1 sN0    Y  t|j d}tjt|d  |j dggd W d    n1 s0    Y  d S )NrD   r   z$Length of new names must be 1, got 2r   Zluigiz.name must be a hashable type)r?   r   r    r!   r"   r/   __name__r)   )r   r   r   r%   r   r   r   test_copy_name2   s    .zTestCommon.test_copy_name2c                 C   s   |}|  }d|jd fD ]}|j|d}t|| qd}tjt|d |jdd W d    n1 sj0    Y  dt	|j
  d}tjt|d |jdd W d    n1 s0    Y  d S )	Nr   r9   z.Too many levels: Index has only 1 level, not 4r   rF   z6Requested level \(wrong\) does not match index name \(z\)r   )drop_duplicatesr   uniquer0   r5   r    r!   
IndexErrorreescape__repr__r#   )r   r   r   expectedr$   r6   r%   r   r   r   test_unique_level   s    *zTestCommon.test_unique_levelc                 C   s  |}t |std |dgd  }|dg }|jdu s<J z|jdu sLJ W n ty`   Y n0 | }t|| |j	std |j
dgd  }tj|d< |d d }||}||}	|	jdu sJ |j|jksJ |	j|jksJ |	}
||	fD ]}| }t||
 qd S )Nz)Skip check for empty Index and MultiIndexr      TFz%Skip na-check if index cannot hold narE   )r   r    skip	is_uniquehasnansNotImplementedErrorrR   r0   r5   Z_can_hold_na_valuesnpnanZ_shallow_copydtype)r   r   r   r   Z
idx_uniquer6   ZvalsZvals_uniqueZidx_nanZidx_unique_nanrW   ir   r   r   test_unique   s4    





zTestCommon.test_uniquec                 C   s\  |}t |tjr,tjjdtd}|j| |j	r<t
d |d }d||k  }}|dkrft|}|jr|j|dd}||ksJ |j|dd}	||	ksJ |j|dd}
||
ksJ |j|dd}||ksJ n|jr|j|dd}||ksJ |j|dd}	||	ksXJ nBd}tjt|d	 |j|dd W d    n1 sN0    Y  d S )
Nz8IntervalIndex.searchsorted does not support Interval arg)reasonr!   zSkip check for empty Indexr   left)Zsiderightz0index must be monotonic increasing or decreasingr   )r   rH   ZIntervalIndexr    markZxfailr]   ZnodeZ
add_markeremptyrZ   Zargminr   Zis_monotonic_increasingZ_searchsorted_monotonicZsearchsortedZis_monotonic_decreasingr!   r"   )r   r   Zrequestr   rg   valueZexpected_leftZexpected_rightZssm_leftZ	ssm_rightZss_leftZss_rightr%   r   r   r   test_searchsorted_monotonic   s<    
z&TestCommon.test_searchsorted_monotonicc                 C   s   |}t |trtd t|dkr.td t|}tt|}t |trR|j	nd }|||d}t|}t
j|t|d }	||j|	 }
t|	j|dj}t|
j|d| |t|
j|d}t|
j|d| d S )NzWRangeIndex is tested in test_drop_duplicates_no_duplicates as it cannot hold duplicatesr   zXempty index is tested in test_drop_duplicates_no_duplicates as it cannot hold duplicatesra   g      ?)keep)r   r   r    rZ   r   r/   listsetr
   ra   r_   ZrandomZchoiceintr   rH   rI   
duplicatedr0   assert_numpy_array_equalrQ   r5   )r   r   rl   r   holderunique_valuesra   
unique_idxnZduplicated_selectionr   expected_duplicatedZexpected_droppedr   r   r   test_drop_duplicates&  s*    
zTestCommon.test_drop_duplicatesc           	      C   s   |}t |tr|}n4t|}tt|}t |tr8|jnd }|||d}tjdgt	| dd}t
| | | }t
|| ||usJ d S )Nrk   Fbool)r   r   r/   rm   rn   r
   ra   r_   arrayr   r0   rq   rp   rQ   r5   )	r   r   r   rt   rr   rs   ra   rv   Zresult_droppedr   r   r   "test_drop_duplicates_no_duplicatesI  s    
z-TestCommon.test_drop_duplicates_no_duplicatesc                 C   sB   d}t jt|d |jdd W d    n1 s40    Y  d S )Nz6drop_duplicates\(\) got an unexpected keyword argumentr   Tr8   )r    r!   r)   rQ   )r   r   r%   r   r   r   test_drop_duplicates_inplace_  s    z'TestCommon.test_drop_duplicates_inplacec                 C   sZ   |}t |}t|rt|tr(td ||d gd }|jdu sHJ |jdu sVJ d S )Nz6Skip check for empty Index, MultiIndex, and RangeIndexr   rY   FT)r/   r   r   r   r    rZ   r[   Zhas_duplicates)r   r   r   rr   r   r   r   r   test_has_duplicatesd  s    
zTestCommon.test_has_duplicatesra   )Zint64Zuint64Zfloat64categorydatetime64[ns]ztimedelta64[ns]c                 C   s   t |tr"dd t|jD |_nd|_d }t |trL|jd urL|dkrLt}z8t	
| ||}W d    n1 sx0    Y  W n ttttfy   Y d S 0 t |tr|j|jksJ n|j|jksJ d S )Nc                 S   s   g | ]}d t | qS )r   )str).0rb   r   r   r   
<listcomp>z      z9TestCommon.test_astype_preserves_name.<locals>.<listcomp>r   r~   )r   r   rangeZnlevelsr(   r   r   ZtzFutureWarningr0   assert_produces_warningZastyper"   r)   r]   SystemError)r   r   ra   warnr6   r   r   r   test_astype_preserves_names  s&    
,
z%TestCommon.test_astype_preserves_namec                 C   sN   t |tttfrd }nt}t| |j W d    n1 s@0    Y  d S r.   )r   r   r	   r   r   r0   r   Zasi8)r   r   r   r   r   r   test_asi8_deprecation  s
    z TestCommon.test_asi8_deprecationc                 C   s   |}|j dd}tjdgt| td}t|j| |jdu sDJ |j dd}|j	}t|dkrfd S t
|tr~t|jr~d S tj|d< t||}tjdgt| td}d|d< t|j| |jdu sJ d S )NT)rA   Frk   r   r   )r?   r_   ry   r   rx   r0   rq   Z_isnanr\   r^   r   r
   r   ra   r`   r/   )r   r   r   r   rW   r   r   r   r   test_hasnans_isnans  s"    
zTestCommon.test_hasnans_isnans)rO   
__module____qualname__r    rg   parametrizer   r&   r-   r4   r7   r>   rC   rN   rP   rX   rc   rj   rw   rz   r{   r|   r   r   r   r   r   r   r   r      s0   
(2#

r   na_positionZmiddlec                 C   sD   t jtd| d | j|d W d    n1 s60    Y  d S )Nzinvalid na_position: r   r   )r    r!   r"   sort_values)index_with_missingr   r   r   r   $test_sort_values_invalid_na_position  s    r   rJ   Zlastc                 C   s   t | trtd t|  }| |   j}t	|}|dkrXt
d g| |g}nt
|d g| g}t| || jd}| j|d}t|| d S )Nz,missing value sorting order not well-definedrJ   rk   r   )r   r   r    rZ   r_   sumZisnaZnotnar   sortZconcatenater/   ra   r   r0   r5   )r   r   Zmissing_countZnot_na_valsZsorted_valuesrW   r6   r   r   r   test_sort_values_with_missing  s    


r   c                 C   s   t | trtstd | }|j|s,J | |s>J |j}|j	|j	ksTJ |j
|j
ksdJ |j|jkstJ t | ttfs|j|jksJ |j |jj d S )NZOverflow)r   r   r   r    rZ   Tr   Z	transposer   shapendimsizer   r   nbytes)r   r   r   r   r   r   test_ndarray_compat_properties  s    
r   )__doc__rT   Znumpyr_   r    Zpandas.compatr   Zpandas.core.dtypes.commonr   ZpandasrH   r   r   r   r   r   r	   Zpandas._testingZ_testingr0   Zpandas.core.apir
   r   rg   r   r   r   r   r   r   r   r   <module>   s$       

