U
    >vfA                     @   s   d Z ddlmZmZ ddlZddlZddlZddlmZ ddl	m
Z
mZ ddlZddlmZmZmZ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.
    )copydeepcopyN)IS64)is_integer_dtypeis_numeric_dtype)CategoricalIndex
MultiIndexPeriodIndex
RangeIndexc                	   @   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$d%d&d'd(d)d*gd+d, Zd-d. ZdS )/
TestCommonnameNnew_namec                 C   s   |}|r|}n
|j pd}|j|d}|j|ks2tt|jdksDt|jd |ksVt|| j|jk	sjt|jd|d}|j|k	std S )Nr   r      F)indexr   )r   Zto_framer   AssertionErrorlencolumnsvalues)selfr   
index_flatidxZidx_nameZdf r   D/tmp/pip-unpacked-wheel-vdrwu74i/pandas/tests/indexes/test_common.pytest_to_frame!   s    
zTestCommon.test_to_framec              
   C   s   |}| g |st|j|jgfD ]D}t|jtrB||jkrBq&d}tjt|d | | W 5 Q R X q&ddgfD ](}tjt	dd | | W 5 Q R X qvd 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   r   
isinstancetuplepytestraises
ValueErrorKeyError)r   r   r   levelmsgr   r   r   test_droplevel5   s    zTestCommon.test_droplevelc              	   C   s`   |}d}dgg}t jt|d |j|d W 5 Q R X t jt|d |j|d W 5 Q R X 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_nameN   s    z-TestCommon.test_constructor_non_hashable_namec                 C   s*   |}t |||jd}t|j|j d S )Ndtype)typer0   tmZassert_equal_data)r   r   abr   r   r   test_constructor_unwraps_index]   s    z)TestCommon.test_constructor_unwraps_indexc                 C   s   |}|  }t|| d S )N)Zto_flat_indexr2   assert_index_equal)r   r   r   resultr   r   r   test_to_flat_indexd   s    zTestCommon.test_to_flat_indexc              	   C   s   |}d}|j }||g}|j |ks(t|j |ks6t|j|dd}|d ksPt|j |ks^t|j|gksnttjtdd |jddd W 5 Q R X d	}|j|dd |j |kst|j|gkstd S )
Nz#This is the new name for this indexTZinplacezLevel must be Noner   r4   r   r%   )AB)r   r,   r   r+   r)   r!   r"   r#   )r   r   r   r   original_nameZnew_indresr   r   r   r   test_set_name_methodsk   s     z TestCommon.test_set_name_methodsc                 C   sT   |}t tfD ]&}||}||k	s$t||stq|j ddd}|jdksPtd S )NTZbanana)deepr   )r   r   r   r   r   )r   r   r   funcZidx_copyZnew_copyr   r   r   test_copy_and_deepcopy   s    z!TestCommon.test_copy_and_deepcopyc                 C   s   |}t ||ddd}t ||dd}||k	s2tt|| ||sLt|jdksZt|jdkshttjd|d}tjd|d d	 d}|| }|jjdkstd S )
NTmario)r   r   F)r      )r      )	r1   r   r2   r7   r   r   pdSeriesr   )r   r   r   firstseconds1s2Zs3r   r   r   test_copy_name   s    zTestCommon.test_copy_namec              	   C   s   |}|j ddjdksttjtdd |j ddgd W 5 Q R X t|j d}tjt|d |j dggd W 5 Q R X d S )NrD   r   z$Length of new names must be 1, got 2r   Zluigiz.name must be a hashable type)	r   r   r   r!   r"   r#   r1   __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 5 Q R X dt	|j
  d}tjt|d |jdd W 5 Q R X d S )	Nr   r;   z.Too many levels: Index has only 1 level, not 4r   rF   z6Requested level \(wrong\) does not match index name \(z\)r   )drop_duplicatesr   uniquer2   r7   r!   r"   
IndexErrorreescape__repr__r$   )r   r   r   expectedr%   r8   r&   r   r   r   test_unique_level   s    zTestCommon.test_unique_levelc                 C   s$  |}t |std |dgd  }|dg }|jdks<tz|jdksLtW n tk
rb   Y nX | }t	|| |j
std |jdgd  }tj|d< |d d }||}||}	|	jdkst|j|jkst|	j|jkst|	}
t||	gD ]\}}| }t	||
 q d S )Nz)Skip check for empty Index and MultiIndexr      TFz%Skip na-check if index cannot hold narE   )r   r!   skip	is_uniquer   hasnansNotImplementedErrorrR   r2   r7   Z_can_hold_na_valuesnpnanZ_shallow_copyr0   	enumerate)r   r   r   r   Z
idx_uniquer8   valsZvals_uniqueZidx_nanZidx_unique_nanrW   posir   r   r   test_unique   s4    





zTestCommon.test_uniquec              	   C   sF  |}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st|j|dd}	||	kst|j|dd}
||
kst|j|dd}||kstnl|jr|j|dd}||kst|j|dd}	||	ksBtn,d}tjt|d	 |j|dd W 5 Q R X 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!   markxfailr]   node
add_markeremptyrZ   Zargminr   Zis_monotonic_increasingZ_searchsorted_monotonicr   ZsearchsortedZis_monotonic_decreasingr"   r#   )r   r   requestr   ri   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|rP|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 duplicatesr/   g      ?)keep)r   r
   r!   rZ   r   r1   listsetr   r0   r_   randomchoiceintr   rH   rI   
duplicatedr2   assert_numpy_array_equalrQ   r7   )r   r   rq   r   holderunique_valuesr0   
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|}n2t|}tt|}t|r6|jnd }|||d}tjdgt	| dd}t
| | | }t
|| ||k	std S )Nr/   Fbool)r   r
   r1   rr   rs   r   r0   r_   arrayr   r2   rx   rw   rQ   r7   r   )	r   r   r   r{   ry   rz   r0   r}   Zresult_droppedr   r   r   "test_drop_duplicates_no_duplicatesJ  s    
z-TestCommon.test_drop_duplicates_no_duplicatesc              	   C   s.   d}t jt|d |jdd W 5 Q R X d S )Nz6drop_duplicates\(\) got an unexpected keyword argumentr   Tr:   )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ksHt|jdksVtd S )Nz6Skip check for empty Index, MultiIndex, and RangeIndexr   rY   FT)	r1   r   r   r
   r!   rZ   r[   r   Zhas_duplicates)r   r   r   ry   r   r   r   r   test_has_duplicatese  s    
zTestCommon.test_has_duplicatesr0   int64uint64float64categoryzdatetime64[ns]ztimedelta64[ns]c                 C   s   t |tr"dd t|jD |_nd|_d }|jjdkrF|dkrFtj	}t
|jdkoZ|dk}z*tj||dd	 ||}W 5 Q R X W n ttttfk
r   Y d S X t |tr|j|jkstn|j|jkstd S )
Nc                 S   s   g | ]}d t | qS )r   )str).0rd   r   r   r   
<listcomp>{  s     z9TestCommon.test_astype_preserves_name.<locals>.<listcomp>r   c)r   r   r   zstring[pyarrow]r   F)Zraise_on_extra_warningsZcheck_stacklevel)r   r   rangeZnlevelsr)   r   r0   kindr_   ZComplexWarningr   r2   Zassert_produces_warningZastyper#   r*   r]   SystemErrorr   )r   r   r0   warnZis_pyarrow_strr8   r   r   r   test_astype_preserves_namet  s&    

z%TestCommon.test_astype_preserves_namec                 C   s   |}|j dd}tjdgt| td}t|j| |jdksDt	|j dd}|j
}t|dkrfd S t|jrtd S |jtkrd S tj|d< t||}tjdgt| td}d|d< t|j| |jdkst	d S )NT)rA   Fr/   r   r   )r   r_   r   r   r   r2   rx   Z_isnanr\   r   r^   r   r0   r`   r1   )r   r   r   r   rW   r   r   r   r   test_hasnans_isnans  s&    


zTestCommon.test_hasnans_isnans)rO   
__module____qualname__r!   ri   parametrizer   r'   r.   r6   r9   r@   rC   rN   rP   rX   re   rp   r~   r   r   r   r   r   r   r   r   r   r       s.   
(2#
r   na_positionZmiddlec              	   C   s0   t jtd| d | j|d W 5 Q R X d S )Nzinvalid na_position: r   r   )r!   r"   r#   sort_values)index_with_missingr   r   r   r   $test_sort_values_invalid_na_position  s    r   rJ   lastc                 C   s   t | tr"|jtjjddd t| 	 }| | 
  j}t|}|dkrftd g| |g}nt|d g| g}t| || jd}| j|d}t|| d S )Nz,missing value sorting order not well-definedF)rf   strictrJ   r/   r   )r   r   rk   rl   r!   ri   rj   r_   sumZisnaZnotnar   sortZconcatenater1   r0   r   r2   r7   )r   r   rn   Zmissing_countZnot_na_valsZsorted_valuesrW   r8   r   r   r   test_sort_values_with_missing  s     
 
r   c                 C   s   t | trtstd | }|j|s,t| |s>t|j	}|j
|j
ksTt|j|jksdt|j|jksttt | ttfs|j|jkst|j |j	j d S )NOverflow)r   r	   r   r!   rZ   Tr   r   Z	transposer   shapendimsizer
   r   nbytes)r   r   r   r   r   r   test_ndarray_compat_properties  s    
r   )__doc__r   r   rT   Znumpyr_   r!   Zpandas.compatr   Zpandas.core.dtypes.commonr   r   ZpandasrH   r   r   r	   r
   Zpandas._testingZ_testingr2   r   ri   r   r   r   r   r   r   r   r   <module>   s$      

