U
    sVcD                     @   s   d Z ddlZddlZddlZddlmZ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pa_version_under7p0)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$d%d&d'd(d)d*gd+d, Zd-d. Zd/d0 ZdS )1
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-xj8nt62q/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_droplevel4   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_nameM   s    z-TestCommon.test_constructor_non_hashable_namec                 C   s*   |}t |||jd}t|j|j d S )Ndtype)typer1   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_indexr3   assert_index_equal)r   r   r   resultr   r   r   test_to_flat_indexc   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   r5   r   r&   )AB)r   r-   r   r,   r*   r"   r#   r$   )r   r   r   r   original_nameZnew_indresr   r   r   r   test_set_name_methodsj   s     z TestCommon.test_set_name_methodsc                 C   sd   ddl m }m} |}||fD ]&}||}||k	s4t||stq|j ddd}|jdks`td S )Nr   )copydeepcopyTZbanana)deepr   )rC   rD   r   r   r   )r   r   rC   rD   r   funcZidx_copyZnew_copyr   r   r   test_copy_and_deepcopy   s    z!TestCommon.test_copy_and_deepcopyc                 C   s   |}t ||ddd}t ||dd}||k	s2tt|| ||sLt|jdksZt|jdkshttjd|d}tjd|d d	 d}|| }|jjdkstd S )
NTmario)rC   r   F)rC      )r      )	r2   r   r3   r9   r   r   pdSeriesr   )r   r   r   firstseconds1s2Zs3r   r   r   test_copy_name   s    zTestCommon.test_copy_namec              	   C   s   |}|j ddjdksttjtdd |j ddgd W 5 Q R X t|j d}tjt|d |j dggd W 5 Q R X d S )NrH   r   z$Length of new names must be 1, got 2r   Zluigiz.name must be a hashable type)	rC   r   r   r"   r#   r$   r2   __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   rJ   z6Requested level \(wrong\) does not match index name \(z\)r   )drop_duplicatesr   uniquer3   r9   r"   r#   
IndexErrorreescape__repr__r%   )r   r   r   expectedr&   r:   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|	}
||	fD ]}| }t	||
 qd S )Nz)Skip check for empty Index and MultiIndexr      TFz%Skip na-check if index cannot hold narI   )r   r"   skip	is_uniquer   hasnansNotImplementedErrorrV   r3   r9   Z_can_hold_na_valuesnpnanZ_shallow_copyr1   )r   r   r   r   Z
idx_uniquer:   valsZvals_uniqueZidx_nanZidx_unique_nanr[   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    rL   ZIntervalIndexr"   markxfailra   node
add_markeremptyr^   Zargminr   Zis_monotonic_increasingZ_searchsorted_monotonicr   ZsearchsortedZis_monotonic_decreasingr#   r$   )r   r   requestr   rk   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 duplicatesr0   g      ?)keep)r    r	   r"   r^   r   r2   listsetr   r1   rc   randomchoiceintr   rL   rM   
duplicatedr3   assert_numpy_array_equalrU   r9   )r   r   rs   r   holderunique_valuesr1   
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
|| ||k	std S )Nr0   Fbool)r    r	   r2   rt   ru   r   r1   rc   arrayr   r3   rz   ry   rU   r9   r   )	r   r   r   r}   r{   r|   r1   r   Zresult_droppedr   r   r   "test_drop_duplicates_no_duplicatesN  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+   rU   )r   r   r'   r   r   r   test_drop_duplicates_inplaced  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   r]   FT)	r2   r   r    r	   r"   r^   r_   r   Zhas_duplicates)r   r   r   r{   r   r   r   r   test_has_duplicatesi  s    
zTestCommon.test_has_duplicatesr1   int64uint64float64categorydatetime64[ns]ztimedelta64[ns]c                 C   s   t |tr"dd t|jD |_nd|_d }t |trN|jd k	rN|dkrNt}n|j	j
dkrh|dkrhtj}t|j	dkoto|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).0rf   r   r   r   
<listcomp>  s     z9TestCommon.test_astype_preserves_name.<locals>.<listcomp>r   r   c)r   r   r   zstring[pyarrow]r   F)Zraise_on_extra_warningsZcheck_stacklevel)r    r   rangeZnlevelsr*   r   r   tzFutureWarningr1   kindrc   ZComplexWarningr   r   r3   assert_produces_warningZastyper$   r+   ra   SystemErrorr   )r   r   r1   warnZis_pyarrow_strr:   r   r   r   test_astype_preserves_namex  s<    

z%TestCommon.test_astype_preserves_namec              	   C   s:   t |tttfrd }nt}t| |j W 5 Q R X d S r8   )r    r   r
   r   r   r3   r   Zasi8)r   r   r   r   r   r   test_asi8_deprecation  s
    z TestCommon.test_asi8_deprecationc                 C   s   |}|j dd}tjdgt| td}t|j| |jdksDt	|j dd}|j
}t|dkrfd S t|tr~t|jr~d S |jtkrd S tj|d< t||}tjdgt| td}d|d< t|j| |jdkst	d S )NT)rE   Fr0   r   r   )rC   rc   r   r   r   r3   rz   Z_isnanr`   r   rb   r    r   r   r1   rd   r2   )r   r   r   r   r[   r   r   r   r   test_hasnans_isnans  s&    

zTestCommon.test_hasnans_isnans)rS   
__module____qualname__r"   rk   parametrizer   r(   r/   r7   r;   rB   rG   rR   rT   r\   rg   rr   r   r   r   r   r   r   r   r   r   r   r   r      s0   
(2#
(
r   na_positionZmiddlec              	   C   s0   t jtd| d | j|d W 5 Q R X d S )Nzinvalid na_position: r   r   )r"   r#   r$   sort_values)index_with_missingr   r   r   r   $test_sort_values_invalid_na_position  s    r   rN   lastc                 C   s   t | tr"|jtjjddd t| 	 }| | 
  j}t|}|dkrftd g| |g}nt|d g| g}t| || jd}| j|d}t|| d S )Nz,missing value sorting order not well-definedF)rh   strictrN   r0   r   )r    r   rm   rn   r"   rk   rl   rc   sumZisnaZnotnar   sortZconcatenater2   r1   r   r3   r9   )r   r   rp   Zmissing_countZnot_na_valsZsorted_valuesr[   r:   r   r   r   test_sort_values_with_missing  s     
 
r   c                 C   s   t | trtstd | }|j|s,t| |s>t|j	}|j
|j
ksTt|j|jksdt|j|jksttt | ttfs|j|jkst|j |j	j d S )NOverflow)r    r   r   r"   r^   Tr   r   Z	transposer   shapendimsizer	   r   nbytes)r   r   r   r   r   r   test_ndarray_compat_properties  s    
r   )__doc__rX   Znumpyrc   r"   Zpandas.compatr   r   Zpandas.core.dtypes.commonr   ZpandasrL   r   r   r   r   r	   r
   Zpandas._testingZ_testingr3   Zpandas.core.apir   r   rk   r   r   r   r   r   r   r   r   <module>   s$       1

