B ܇\3@sdZddlmZddlmZddlmZddlZddlZddlZddl m Z ddl m Z dZ d d Zd d Zd dZddZyeZWnek reZYnXddZd$ddZddZd%ddZd&ddZd'ddZd(ddZd d!Zd)d"d#ZdS)*z!Utilities for assertion debugging)absolute_import)division)print_functionN)Sequence)safereprcCst|tr|ddS|SdS)NzUTF-8replace) isinstancebytesdecode)sr 5lib/python3.7/site-packages/_pytest/assertion/util.pyecus  rcCs"t|}t|}t|}d|S)aThis formats an explanation Normally all embedded newlines are escaped, however there are three exceptions: {, } and ~. The first two are intended cover nested explanations, see function and attribute explanations for examples (.visit_Call(), visit_Attribute()). The last one is for when one explanation needs to span multiple lines, e.g. when displaying diffs.  )r_split_explanation _format_linesjoin) explanationlinesresultr r rformat_explanations rcCsb|pdd}|dg}xD|ddD]4}|rF|ddkrF||q&|dd|7<q&W|S) zReturn a list of individual lines in the explanation This will return a list of lines split on ' {', ' }' and ' ~'. Any other newlines will be escaped and appear in the line as the literal ' ' characters. rrN){}~>z\n)splitappend)rZ raw_linesrvaluesr r rr.s  rcCsJ|dd}dg}dg}x|ddD]}|dr|drFd}nd}|t||dd7<|d|dd t|d||ddq(|d r||||d|dd7<q(|dd kst|dd7<|d r t|n t|d}|d ||ddq(Wt|dksFt|S) a Format the individual lines This will replace the '{', '}' and '~' characters of our mini formatting language with the proper 'where ...', 'and ...' and ' + ...' text, taking care of indentation along the way. Return a list of formatted lines. Nrrrrzand zwhere z +z r)rrr) startswithr lenpopAssertionError)rrstackZstackcntliner indentr r rr?s,   ,  rcsdt|d}t|t|dd}t||t|d}dt||t|f}dd}ddd d } d d } d d} dd} fdd} |d}d}yB|dkr|rĈ|rt|||}n||r||rt|||}n| |r| |rt|||}np| |r&| |r&t|||}nNt |t |krd| |sL| |rd| | f}t ||||}n|rtt ||}| |r| |rt |||}|dk r| |n|}n*|dkrڈ|rڈ|rt|||}Wn,tk rdttjjg}YnX|sdS|g|S)z;Return specialised explanations for some operators/operandsAr)maxsizez%s %s %scSst|tot|t S)N)r r basestring)xr r r issequenceqsz&assertrepr_compare..issequencecSs t|tS)N)r r+)r,r r ristexttsz"assertrepr_compare..istextcSs t|tS)N)r dict)r,r r risdictwsz"assertrepr_compare..isdictcSst|ttfS)N)r set frozenset)r,r r rissetzsz!assertrepr_compare..issetcSst|dddk S)N__dataclass_fields__)getattr)objr r r isdatacls}sz%assertrepr_compare..isdataclscSst|dddk S)N__attrs_attrs__)r5)r6r r risattrssz#assertrepr_compare..isattrscs,yt|| Stk r&dSXdS)NF)iter TypeError)r6)r.r r isiterables  z&assertrepr_compare..isiterableverboseNz==znot inzg(pytest_assertion plugin: representation of details failed. Probably an object has a faulty __repr__.))r#rintrZ getoption _diff_text_compare_eq_sequence_compare_eq_set_compare_eq_dicttype_compare_eq_cls_compare_eq_verbose_compare_eq_iterableextend _notin_text Exceptionsix text_type_pytest_codeZ ExceptionInfoZ from_current)ZconfigopleftrightwidthZ left_reprZ right_reprZsummaryr-r0r3r7r9r<r=rZtype_fnZexplr )r.rassertrepr_compareisT   &     rRFcCsddlm}g}dd}t|tr*||}t|tr<||}|s&d}x0ttt|t|D]}||||kr^Pq^W|dkr|d8}d|g}||d}||d}t|t|kr&x*tt|D]}|| || krPqW|dkr&|d8}|d |g7}|d| }|d| }d }|s>|r`t t |}t t |}|d g7}|d d || || |D7}|S)aReturn the explanation for the diff between text or bytes Unless --verbose is used this will skip leading and trailing characters which are identical to keep the diff minimal. If the input are bytes they will be safely converted to text. r)ndiffcSs2tt|dd}|dd}|dd}|S)a Ensures that the internal string is always valid unicode, converting any bytes safely to valid unicode. This is done using repr() which then needs post-processing to fix the encompassing quotes and un-escape newlines and carriage returns (#429). rrz\nrz\r )rJrKreprr)Z binary_textrr r rescape_for_readable_diffs  z,_diff_text..escape_for_readable_diff* z@Skipping %s identical leading characters in diff, use -v to showNzASkipping {} identical trailing characters in diff, use -v to showTz;Strings contain only whitespace, escaping them using repr()cSsg|]}|dqS)r)strip).0r'r r r sz_diff_text..) difflibrSr r rangeminr#formatisspacerUstr splitlines)rOrPr=rSrrWikeependsr r rr?sJ           r?cCsLd}t||}t||}g}|dd|D7}|dd|D7}|S)NTcSsg|] }d|qS)-r )r[r'r r rr\sz'_compare_eq_verbose..cSsg|] }d|qS)+r )r[r'r r rr\s)rUrc)rOrPreZ left_linesZ right_linesrr r rrEsrEcCs|s dgSddl}y&t|}t|}dg}Wn>tk rvtdd|D}tdd|D}dg}YnX|dd|||D|S) NzUse -v to get the full diffrz Full diff:css|]}t|VqdS)N)rU)r[r,r r r sz'_compare_eq_iterable..css|]}t|VqdS)N)rU)r[r,r r rrh sz2Full diff (fallback to calling repr on each item):css|]}|VqdS)N)rZ)r[r'r r rrhs)r]pprintpformatrcrIsortedrGrS)rOrPr=r]Zleft_formattingZright_formattingrr r rrFs  rFcCsg}xLttt|t|D]2}||||kr|d|||||fg7}PqWt|t|kr~|dt|t|g7}n*t|t|kr|dt|t|g7}|S)NzAt index %s diff: %r != %rz.Left contains more items, first extra item: %sz/Right contains more items, first extra item: %s)r^r_r#r)rOrPr=rrdr r rr@sr@cCslg}||}||}|r>|dx|D]}|t|q(W|rh|dx|D]}|t|qRW|S)NzExtra items in the left set:zExtra items in the right set:)r r)rOrPr=rZ diff_leftZ diff_rightitemr r rrA's    rAc sLg}tt}fdd|D}|rJ|dkrJ|dt|g7}n |rj|dg7}|t|7}fdd|D}|r|dg7}x6|D].}|t||id t||ig7}qWtt}|r|d |tfd d|Dtt} | rH|d |tfd d| D|S)Ncs&i|]}||kr||qSr r )r[k)rOrPr r 9sz$_compare_eq_dict..rz,Omitting %s identical items, use -vv to showz Common items:cs h|]}||kr|qSr r )r[rm)rOrPr r ?sz#_compare_eq_dict..zDiffering items:z != zLeft contains more items:csi|]}||qSr r )r[rm)rOr rrnHszRight contains more items:csi|]}||qSr r )r[rm)rPr rrnNs) r1 intersectionr#rirjrcrr rG) rOrPr=rcommonsamediffrmZ extra_leftZ extra_rightr )rOrPrrB6s0    .  rBc Cs |\}}||r*|j}dd|D}n||rF|j}dd|D}g}g} x6|D].} t|| t|| krx|| qT| | qTWg} |r|dkr| dt|n |r| dg7} | t|7} | r| dg7} x,| D]$} | d| t|| t|| fg7} qW| S) NcSsg|]\}}|jr|qSr )Zcompare)r[fieldinfor r rr\Wsz#_compare_eq_cls..cSsg|]}|jr|jqSr )Zcmpname)r[rtr r rr\Zsrz,Omitting %s identical items, use -vv to showzMatching attributes:zDiffering attributes:z %s: %r != %r) r4itemsr8r5r r#rirjrc) rOrPr=Ztype_fnsr7r9Z all_fieldsZfields_to_checkrrrsrtrr r rrDSs2      "rDc Cs||}|d|}||t|d}||}t|||}dt|ddg}xP|D]H} | drfqV| drrqV| dr|d| ddqV|| qVW|S) Nz%s is contained here:rX)r*ZSkippingz- z+ z r)findr#r?rr"r ) Ztermtextr=indexheadtailZ correct_textrsZnewdiffr'r r rrHss       rH)F)F)F)F)F)F)__doc__Z __future__rrrrirJZ _pytest._coderLcompatrZ_pytest._io.safereprrZ _reprcomparerrrrr+ NameErrorrbrRr?rErFr@rArBrDrHr r r rs4     $ I ?