tests/test-hybridencode.py
author Manuel Jacob <me@manueljacob.de>
Mon, 11 Jul 2022 01:51:20 +0200
branchstable
changeset 49378 094a5fa3cf52
parent 48875 6000f5b25c9b
permissions -rw-r--r--
procutil: make stream detection in make_line_buffered more correct and strict In make_line_buffered(), we don’t want to wrap the stream if we know that lines get flushed to the underlying raw stream already. Previously, the heuristic was too optimistic. It assumed that any stream which is not an instance of io.BufferedIOBase doesn’t need wrapping. However, there are buffered streams that aren’t instances of io.BufferedIOBase, like Mercurial’s own winstdout. The new logic is different in two ways: First, only for the check, if unwraps any combination of WriteAllWrapper and winstdout. Second, it skips wrapping the stream only if it is an instance of io.RawIOBase (or already wrapped). If it is an instance of io.BufferedIOBase, it gets wrapped. In any other case, the function raises an exception. This ensures that, if an unknown stream is passed or we add another wrapper in the future, we don’t wrap the stream if it’s already line buffered or not wrap the stream if it’s not line buffered. In fact, this was already helpful during development of this change. Without it, I possibly would have forgot that WriteAllWrapper needs to be ignored for the check, leading to unnecessary wrapping if stdout is unbuffered. The alternative would have been to always wrap unknown streams. However, I don’t think that anyone would benefit from being less strict. We can expect streams from the standard library to be subclassing either io.RawIOBase or io.BufferedIOBase, so running Mercurial in the standard way should not regress by this change. Py2exe might replace sys.stdout and sys.stderr, but that currently breaks Mercurial anyway and also these streams don’t claim to be interactive, so this function is not called for them.

import unittest

from mercurial import store


class hybridencodetests(unittest.TestCase):
    def hybridencode(self, input, want):

        # Check the C implementation if it's in use
        got = store._pathencode(input)
        self.assertEqual(want, got)
        # Check the reference implementation in Python
        refgot = store._hybridencode(input, True)
        self.assertEqual(want, refgot)

    def testnoencodingrequired(self):
        self.hybridencode(
            b'data/abcdefghijklmnopqrstuvwxyz0123456789 !#%&\'()+,-.;=[]^`{}',
            b'data/abcdefghijklmnopqrstuvwxyz0123456789 !#%&\'()+,-.;=[]^`{}',
        )

    def testuppercasechars(self):  # uppercase char X is encoded as _x
        self.hybridencode(
            b'data/ABCDEFGHIJKLMNOPQRSTUVWXYZ',
            b'data/_a_b_c_d_e_f_g_h_i_j_k_l_m_n_o_p_q_r_s_t_u_v_w_x_y_z',
        )

    def testunderbar(self):  # underbar is doubled
        self.hybridencode(b'data/_', b'data/__')

    def testtilde(self):  # tilde is character-encoded
        self.hybridencode(b'data/~', b'data/~7e')

    def testcontrolchars(self):  # characters in ASCII code range 1..31
        self.hybridencode(
            (
                b'data/\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f'
                b'\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e'
                b'\x1f'
            ),
            (
                b'data/~01~02~03~04~05~06~07~08~09~0a~0b~0c~0d~0e~0f~10~11~12~13'
                b'~14~15~16~17~18~19~1a~1b~1c~1d~1e~1f'
            ),
        )

    def testhighascii(self):  # characters in ASCII code range 126..255
        self.hybridencode(
            (
                b'data/~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c'
                b'\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b'
                b'\x9c\x9d\x9e\x9f'
            ),
            (
                b'data/~7e~7f~80~81~82~83~84~85~86~87~88~89~8a~8b~8c~8d~8e~8f~90'
                b'~91~92~93~94~95~96~97~98~99~9a~9b~9c~9d~9e~9f'
            ),
        )
        self.hybridencode(
            (
                b'data/\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad'
                b'\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc'
                b'\xbd\xbe\xbf'
            ),
            (
                b'data/~a0~a1~a2~a3~a4~a5~a6~a7~a8~a9~aa~ab~ac~ad~ae~af~b0~b1~b2'
                b'~b3~b4~b5~b6~b7~b8~b9~ba~bb~bc~bd~be~bf'
            ),
        )
        self.hybridencode(
            (
                b'data/\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca'
                b'\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6'
                b'\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf'
            ),
            (
                b'data/~c0~c1~c2~c3~c4~c5~c6~c7~c8~c9~ca~cb~cc~cd~ce~cf~d0~d1~d2'
                b'~d3~d4~d5~d6~d7~d8~d9~da~db~dc~dd~de~df'
            ),
        )
        self.hybridencode(
            (
                b'data/\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed'
                b'\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd'
                b'\xfe\xff'
            ),
            (
                b'data/~e0~e1~e2~e3~e4~e5~e6~e7~e8~e9~ea~eb~ec~ed~ee~ef~f0~f1~f2'
                b'~f3~f4~f5~f6~f7~f8~f9~fa~fb~fc~fd~fe~ff'
            ),
        )

    def testwinreserved(self):  # Windows reserved characters
        self.hybridencode(
            (
                b'data/less <, greater >, colon :, double-quote ", backslash \\, '
                b'pipe |, question-mark ?, asterisk *'
            ),
            (
                b'data/less ~3c, greater ~3e, colon ~3a, double-quote ~22, '
                b'backslash ~5c, pipe ~7c, question-mark ~3f, asterisk ~2a'
            ),
        )

    def testhgreserved(self):
        # encoding directories ending in .hg, .i or .d with '.hg' suffix
        self.hybridencode(
            b'data/x.h.i/x.hg/x.i/x.d/foo',
            b'data/x.h.i.hg/x.hg.hg/x.i.hg/x.d.hg/foo',
        )
        self.hybridencode(
            b'data/a.hg/a.i/a.d/foo', b'data/a.hg.hg/a.i.hg/a.d.hg/foo'
        )
        self.hybridencode(
            b'data/au.hg/au.i/au.d/foo', b'data/au.hg.hg/au.i.hg/au.d.hg/foo'
        )
        self.hybridencode(
            b'data/aux.hg/aux.i/aux.d/foo',
            b'data/au~78.hg.hg/au~78.i.hg/au~78.d.hg/foo',
        )
        self.hybridencode(
            b'data/auxy.hg/auxy.i/auxy.d/foo',
            b'data/auxy.hg.hg/auxy.i.hg/auxy.d.hg/foo',
        )
        # but these are not encoded on *filenames*
        self.hybridencode(b'data/foo/x.hg', b'data/foo/x.hg')
        self.hybridencode(b'data/foo/x.i', b'data/foo/x.i')
        self.hybridencode(b'data/foo/x.d', b'data/foo/x.d')
        self.hybridencode(b'data/foo/a.hg', b'data/foo/a.hg')
        self.hybridencode(b'data/foo/a.i', b'data/foo/a.i')
        self.hybridencode(b'data/foo/a.d', b'data/foo/a.d')
        self.hybridencode(b'data/foo/au.hg', b'data/foo/au.hg')
        self.hybridencode(b'data/foo/au.i', b'data/foo/au.i')
        self.hybridencode(b'data/foo/au.d', b'data/foo/au.d')
        self.hybridencode(b'data/foo/aux.hg', b'data/foo/au~78.hg')
        self.hybridencode(b'data/foo/aux.i', b'data/foo/au~78.i')
        self.hybridencode(b'data/foo/aux.d', b'data/foo/au~78.d')
        self.hybridencode(b'data/foo/auxy.hg', b'data/foo/auxy.hg')
        self.hybridencode(b'data/foo/auxy.i', b'data/foo/auxy.i')
        self.hybridencode(b'data/foo/auxy.d', b'data/foo/auxy.d')

        # plain .hg, .i and .d directories have the leading dot encoded
        self.hybridencode(
            b'data/.hg/.i/.d/foo', b'data/~2ehg.hg/~2ei.hg/~2ed.hg/foo'
        )

    def testmisclongcases(self):
        self.hybridencode(
            (
                b'data/aux.bla/bla.aux/prn/PRN/lpt/com3/nul/'
                b'coma/foo.NUL/normal.c.i'
            ),
            (
                b'data/au~78.bla/bla.aux/pr~6e/_p_r_n/lpt/co~6d3'
                b'/nu~6c/coma/foo._n_u_l/normal.c.i'
            ),
        )
        self.hybridencode(
            (
                b'data/AUX/SECOND/X.PRN/FOURTH/FI:FTH/SIXTH/SEVENTH/EIGHTH/NINETH'
                b'/TENTH/ELEVENTH/LOREMIPSUM.TXT.i'
            ),
            (
                b'dh/au~78/second/x.prn/fourth/fi~3afth/sixth/seventh/eighth/'
                b'nineth/tenth/loremia20419e358ddff1bf8751e38288aff1d7c32ec05.i'
            ),
        )
        self.hybridencode(
            (
                b'data/enterprise/openesbaddons/contrib-imola/corba-bc/'
                b'netbeansplugin/wsdlExtension/src/main/java/META-INF/services'
                b'/org.netbeans.modules.xml.wsdl.bindingsupport.spi.'
                b'ExtensibilityElementTemplateProvider.i'
            ),
            (
                b'dh/enterpri/openesba/contrib-/corba-bc/netbeans/wsdlexte/src/'
                b'main/java/org.net7018f27961fdf338a598a40c4683429e7ffb9743.i'
            ),
        )
        self.hybridencode(
            (
                b'data/AUX.THE-QUICK-BROWN-FOX-JU:MPS-OVER-THE-LAZY-DOG-THE-'
                b'QUICK-BROWN-FOX-JUMPS-OVER-THE-LAZY-DOG.TXT.i'
            ),
            (
                b'dh/au~78.the-quick-brown-fox-ju~3amps-over-the-lazy-dog-the-'
                b'quick-brown-fox-jud4dcadd033000ab2b26eb66bae1906bcb15d4a70.i'
            ),
        )
        self.hybridencode(
            (
                b'data/Project Planning/Resources/AnotherLongDirectoryName/Follow'
                b'edbyanother/AndAnother/AndThenAnExtremelyLongFileName.txt'
            ),
            (
                b'dh/project_/resource/anotherl/followed/andanoth/andthenanextrem'
                b'elylongfilenaf93030515d9849cfdca52937c2204d19f83913e5.txt'
            ),
        )
        self.hybridencode(
            (
                b'data/Project.Planning/Resources/AnotherLongDirectoryName/Follo'
                b'wedbyanother/AndAnother/AndThenAnExtremelyLongFileName.txt'
            ),
            (
                b'dh/project_/resource/anotherl/followed/andanoth/andthenanextre'
                b'melylongfilena0fd7c506f5c9d58204444fc67e9499006bd2d445.txt'
            ),
        )
        self.hybridencode(
            b'data/foo.../foo   / /a./_. /__/.x../    bla/.FOO/something.i',
            (
                b'data/foo..~2e/foo  ~20/~20/a~2e/__.~20/____/~2ex.~2e/~20   bla/'
                b'~2e_f_o_o/something.i'
            ),
        )
        self.hybridencode(
            b'data/c/co/com/com0/com1/com2/com3/com4/com5/com6/com7/com8/com9',
            (
                b'data/c/co/com/com0/co~6d1/co~6d2/co~6d3/co~6d4/co~6d5/co~6d6/'
                b'co~6d7/co~6d8/co~6d9'
            ),
        )
        self.hybridencode(
            b'data/C/CO/COM/COM0/COM1/COM2/COM3/COM4/COM5/COM6/COM7/COM8/COM9',
            (
                b'data/_c/_c_o/_c_o_m/_c_o_m0/_c_o_m1/_c_o_m2/_c_o_m3/_c_o_m4/'
                b'_c_o_m5/_c_o_m6/_c_o_m7/_c_o_m8/_c_o_m9'
            ),
        )
        self.hybridencode(
            (
                b'data/c.x/co.x/com.x/com0.x/com1.x/com2.x/com3.x/com4.x/com5.x/'
                b'com6.x/com7.x/com8.x/com9.x'
            ),
            (
                b'data/c.x/co.x/com.x/com0.x/co~6d1.x/co~6d2.x/co~6d3.x/co~6d4.x'
                b'/co~6d5.x/co~6d6.x/co~6d7.x/co~6d8.x/co~6d9.x'
            ),
        )
        self.hybridencode(
            (
                b'data/x.c/x.co/x.com0/x.com1/x.com2/x.com3/x.com4/x.com5/x.com6'
                b'/x.com7/x.com8/x.com9'
            ),
            (
                b'data/x.c/x.co/x.com0/x.com1/x.com2/x.com3/x.com4/x.com5/x.com6'
                b'/x.com7/x.com8/x.com9'
            ),
        )
        self.hybridencode(
            (
                b'data/cx/cox/comx/com0x/com1x/com2x/com3x/com4x/com5x/com6x/'
                b'com7x/com8x/com9x'
            ),
            (
                b'data/cx/cox/comx/com0x/com1x/com2x/com3x/com4x/com5x/com6x/'
                b'com7x/com8x/com9x'
            ),
        )
        self.hybridencode(
            (
                b'data/xc/xco/xcom0/xcom1/xcom2/xcom3/xcom4/xcom5/xcom6/xcom7/'
                b'xcom8/xcom9'
            ),
            (
                b'data/xc/xco/xcom0/xcom1/xcom2/xcom3/xcom4/xcom5/xcom6/xcom7/'
                b'xcom8/xcom9'
            ),
        )
        self.hybridencode(
            b'data/l/lp/lpt/lpt0/lpt1/lpt2/lpt3/lpt4/lpt5/lpt6/lpt7/lpt8/lpt9',
            (
                b'data/l/lp/lpt/lpt0/lp~741/lp~742/lp~743/lp~744/lp~745/lp~746/'
                b'lp~747/lp~748/lp~749'
            ),
        )
        self.hybridencode(
            b'data/L/LP/LPT/LPT0/LPT1/LPT2/LPT3/LPT4/LPT5/LPT6/LPT7/LPT8/LPT9',
            (
                b'data/_l/_l_p/_l_p_t/_l_p_t0/_l_p_t1/_l_p_t2/_l_p_t3/_l_p_t4/'
                b'_l_p_t5/_l_p_t6/_l_p_t7/_l_p_t8/_l_p_t9'
            ),
        )
        self.hybridencode(
            (
                b'data/l.x/lp.x/lpt.x/lpt0.x/lpt1.x/lpt2.x/lpt3.x/lpt4.x/lpt5.x/'
                b'lpt6.x/lpt7.x/lpt8.x/lpt9.x'
            ),
            (
                b'data/l.x/lp.x/lpt.x/lpt0.x/lp~741.x/lp~742.x/lp~743.x/lp~744.x/'
                b'lp~745.x/lp~746.x/lp~747.x/lp~748.x/lp~749.x'
            ),
        )
        self.hybridencode(
            (
                b'data/x.l/x.lp/x.lpt/x.lpt0/x.lpt1/x.lpt2/x.lpt3/x.lpt4/x.lpt5/'
                b'x.lpt6/x.lpt7/x.lpt8/x.lpt9'
            ),
            (
                b'data/x.l/x.lp/x.lpt/x.lpt0/x.lpt1/x.lpt2/x.lpt3/x.lpt4/x.lpt5'
                b'/x.lpt6/x.lpt7/x.lpt8/x.lpt9'
            ),
        )
        self.hybridencode(
            (
                b'data/lx/lpx/lptx/lpt0x/lpt1x/lpt2x/lpt3x/lpt4x/lpt5x/lpt6x/'
                b'lpt7x/lpt8x/lpt9x'
            ),
            (
                b'data/lx/lpx/lptx/lpt0x/lpt1x/lpt2x/lpt3x/lpt4x/lpt5x/lpt6x/'
                b'lpt7x/lpt8x/lpt9x'
            ),
        )
        self.hybridencode(
            (
                b'data/xl/xlp/xlpt/xlpt0/xlpt1/xlpt2/xlpt3/xlpt4/xlpt5/xlpt6/'
                b'xlpt7/xlpt8/xlpt9'
            ),
            (
                b'data/xl/xlp/xlpt/xlpt0/xlpt1/xlpt2/xlpt3/xlpt4/xlpt5/xlpt6/'
                b'xlpt7/xlpt8/xlpt9'
            ),
        )
        self.hybridencode(
            b'data/con/p/pr/prn/a/au/aux/n/nu/nul',
            b'data/co~6e/p/pr/pr~6e/a/au/au~78/n/nu/nu~6c',
        )
        self.hybridencode(
            b'data/CON/P/PR/PRN/A/AU/AUX/N/NU/NUL',
            b'data/_c_o_n/_p/_p_r/_p_r_n/_a/_a_u/_a_u_x/_n/_n_u/_n_u_l',
        )
        self.hybridencode(
            b'data/con.x/p.x/pr.x/prn.x/a.x/au.x/aux.x/n.x/nu.x/nul.x',
            b'data/co~6e.x/p.x/pr.x/pr~6e.x/a.x/au.x/au~78.x/n.x/nu.x/nu~6c.x',
        )
        self.hybridencode(
            b'data/x.con/x.p/x.pr/x.prn/x.a/x.au/x.aux/x.n/x.nu/x.nul',
            b'data/x.con/x.p/x.pr/x.prn/x.a/x.au/x.aux/x.n/x.nu/x.nul',
        )
        self.hybridencode(
            b'data/conx/px/prx/prnx/ax/aux/auxx/nx/nux/nulx',
            b'data/conx/px/prx/prnx/ax/au~78/auxx/nx/nux/nulx',
        )
        self.hybridencode(
            b'data/xcon/xp/xpr/xprn/xa/xau/xaux/xn/xnu/xnul',
            b'data/xcon/xp/xpr/xprn/xa/xau/xaux/xn/xnu/xnul',
        )
        self.hybridencode(
            b'data/a./au./aux./auxy./aux.',
            b'data/a~2e/au~2e/au~78~2e/auxy~2e/au~78~2e',
        )
        self.hybridencode(
            b'data/c./co./con./cony./con.',
            b'data/c~2e/co~2e/co~6e~2e/cony~2e/co~6e~2e',
        )
        self.hybridencode(
            b'data/p./pr./prn./prny./prn.',
            b'data/p~2e/pr~2e/pr~6e~2e/prny~2e/pr~6e~2e',
        )
        self.hybridencode(
            b'data/n./nu./nul./nuly./nul.',
            b'data/n~2e/nu~2e/nu~6c~2e/nuly~2e/nu~6c~2e',
        )
        self.hybridencode(
            b'data/l./lp./lpt./lpt1./lpt1y./lpt1.',
            b'data/l~2e/lp~2e/lpt~2e/lp~741~2e/lpt1y~2e/lp~741~2e',
        )
        self.hybridencode(
            b'data/lpt9./lpt9y./lpt9.', b'data/lp~749~2e/lpt9y~2e/lp~749~2e'
        )
        self.hybridencode(
            b'data/com./com1./com1y./com1.',
            b'data/com~2e/co~6d1~2e/com1y~2e/co~6d1~2e',
        )
        self.hybridencode(
            b'data/com9./com9y./com9.', b'data/co~6d9~2e/com9y~2e/co~6d9~2e'
        )
        self.hybridencode(
            b'data/a /au /aux /auxy /aux ',
            b'data/a~20/au~20/aux~20/auxy~20/aux~20',
        )

    def testhashingboundarycases(self):
        # largest unhashed path
        self.hybridencode(
            (
                b'data/123456789-123456789-123456789-123456789-123456789-unhashed'
                b'--xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12345'
            ),
            (
                b'data/123456789-123456789-123456789-123456789-123456789-unhashed'
                b'--xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12345'
            ),
        )
        # shortest hashed path
        self.hybridencode(
            (
                b'data/123456789-123456789-123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/123456789-123456789-123456789-123456789-123456789-hashed---'
                b'-xxxxxxxxx-xxxxxxxe9c55002b50bf5181e7a6fc1f60b126e2a6fcf71'
            ),
        )

    def testhashing(self):
        # changing one char in part that's hashed away produces a different hash
        self.hybridencode(
            (
                b'data/123456789-123456789-123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxy-123456789-123456'
            ),
            (
                b'dh/123456789-123456789-123456789-123456789-123456789-hashed---'
                b'-xxxxxxxxx-xxxxxxxd24fa4455faf8a94350c18e5eace7c2bb17af706'
            ),
        )
        # uppercase hitting length limit due to encoding
        self.hybridencode(
            (
                b'data/A23456789-123456789-123456789-123456789-123456789-'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/a23456789-123456789-123456789-123456789-123456789-'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxx'
                b'cbbc657029b41b94ed510d05feb6716a5c03bc6b'
            ),
        )
        self.hybridencode(
            (
                b'data/Z23456789-123456789-123456789-123456789-123456789-'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/z23456789-123456789-123456789-123456789-123456789-xxxxxxxxx'
                b'-xxxxxxxxx-xxxxxxx938f32a725c89512833fb96b6602dd9ebff51ddd'
            ),
        )
        # compare with lowercase not hitting limit
        self.hybridencode(
            (
                b'data/a23456789-123456789-123456789-123456789-123456789-'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-'
                b'12345'
            ),
            (
                b'data/a23456789-123456789-123456789-123456789-123456789-'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-'
                b'12345'
            ),
        )
        self.hybridencode(
            (
                b'data/z23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789'
                b'-12345'
            ),
            (
                b'data/z23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-'
                b'12345'
            ),
        )
        # not hitting limit with any of these
        self.hybridencode(
            (
                b'data/abcdefghijklmnopqrstuvwxyz0123456789 !#%&\'()+,-.;=[]^`{}'
                b'xxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12345'
            ),
            (
                b'data/abcdefghijklmnopqrstuvwxyz0123456789 !#%&\'()+,-.;=[]^`{}'
                b'xxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12345'
            ),
        )
        # underbar hitting length limit due to encoding
        self.hybridencode(
            (
                b'data/_23456789-123456789-123456789-123456789-123456789-'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-'
                b'12345'
            ),
            (
                b'dh/_23456789-123456789-123456789-123456789-123456789-xxxxxxxxx-'
                b'xxxxxxxxx-xxxxxxx9921a01af50feeabc060ce00eee4cba6efc31d2b'
            ),
        )

        # tilde hitting length limit due to encoding
        self.hybridencode(
            (
                b'data/~23456789-123456789-123456789-123456789-123456789-'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-'
                b'12345'
            ),
            (
                b'dh/~7e23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'9cec6f97d569c10995f785720044ea2e4227481b'
            ),
        )

    def testwinreservedoverlimit(self):
        # Windows reserved characters hitting length limit
        self.hybridencode(
            (
                b'data/<23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/~3c23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxee'
                b'67d8f275876ca1ef2500fc542e63c885c4e62d'
            ),
        )
        self.hybridencode(
            (
                b'data/>23456789-123456789-123456789-123456789-123456789-'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/~3e23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'387a85a5b1547cc9136310c974df716818458ddb'
            ),
        )
        self.hybridencode(
            (
                b'data/:23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/~3a23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'2e4154fb571d13d22399c58cc4ef4858e4b75999'
            ),
        )
        self.hybridencode(
            (
                b'data/"23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/~2223456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'fc7e3ec7b0687ee06ed8c32fef0eb0c1980259f5'
            ),
        )
        self.hybridencode(
            (
                b'data/\\23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/~5c23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'944e1f2b7110687e116e0d151328ac648b06ab4a'
            ),
        )
        self.hybridencode(
            (
                b'data/|23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/~7c23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'28b23dd3fd0242946334126ab62bcd772aac32f4'
            ),
        )
        self.hybridencode(
            (
                b'data/?23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/~3f23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'a263022d3994d2143d98f94f431eef8b5e7e0f8a'
            ),
        )
        self.hybridencode(
            (
                b'data/*23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/~2a23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'0e7e6020e3c00ba7bb7893d84ca2966fbf53e140'
            ),
        )

    def testinitialspacelenlimit(self):
        # initial space hitting length limit
        self.hybridencode(
            (
                b'data/ 23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/~2023456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'92acbc78ef8c0b796111629a02601f07d8aec4ea'
            ),
        )

    def testinitialdotlenlimit(self):
        # initial dot hitting length limit
        self.hybridencode(
            (
                b'data/.23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/~2e23456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'dbe19cc6505b3515ab9228cebf877ad07075168f'
            ),
        )

    def testtrailingspacelenlimit(self):
        # trailing space in filename hitting length limit
        self.hybridencode(
            (
                b'data/123456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-1234 '
            ),
            (
                b'dh/123456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxx'
                b'0025dc73e04f97426db4893e3bf67d581dc6d066'
            ),
        )

    def testtrailingdotlenlimit(self):
        # trailing dot in filename hitting length limit
        self.hybridencode(
            (
                b'data/123456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-'
                b'1234.'
            ),
            (
                b'dh/123456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxx'
                b'85a16cf03ee7feba8a5abc626f1ba9886d01e89d'
            ),
        )

    def testinitialspacedirlenlimit(self):
        # initial space in directory hitting length limit
        self.hybridencode(
            (
                b'data/ x/456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/~20x/456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'1b3a3b712b2ac00d6af14ae8b4c14fdbf904f516'
            ),
        )

    def testinitialdotdirlenlimit(self):
        # initial dot in directory hitting length limit
        self.hybridencode(
            (
                b'data/.x/456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/~2ex/456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'39dbc4c193a5643a8936fc69c3363cd7ac91ab14'
            ),
        )

    def testtrailspacedirlenlimit(self):
        # trailing space in directory hitting length limit
        self.hybridencode(
            (
                b'data/x /456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/x~20/456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'2253c341df0b5290790ad312cd8499850f2273e5'
            ),
        )

    def testtrailingdotdirlenlimit(self):
        # trailing dot in directory hitting length limit
        self.hybridencode(
            (
                b'data/x./456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/x~2e/456789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'cc0324d696d34562b44b5138db08ee1594ccc583'
            ),
        )

    def testdirencodinglenlimit(self):
        # with directories that need direncoding, hitting length limit
        self.hybridencode(
            (
                b'data/x.i/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-'
                b'12345'
            ),
            (
                b'dh/x.i.hg/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxx'
                b'a4c4399bdf81c67dbbbb7060aa0124d8dea94f74'
            ),
        )
        self.hybridencode(
            (
                b'data/x.d/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/x.d.hg/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxx'
                b'1303fa90473b230615f5b3ea7b660e881ae5270a'
            ),
        )
        self.hybridencode(
            (
                b'data/x.hg/5789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/x.hg.hg/5789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxx'
                b'26d724a8af68e7a4e4455e6602ea9adbd0eb801f'
            ),
        )

    def testwinreservedfilenameslimit(self):
        # Windows reserved filenames, hitting length limit
        self.hybridencode(
            (
                b'data/con/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-12345'
            ),
            (
                b'dh/co~6e/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'c0794d4f4c605a2617900eb2563d7113cf6ea7d3'
            ),
        )
        self.hybridencode(
            (
                b'data/prn/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/pr~6e/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'64db876e1a9730e27236cb9b167aff942240e932'
            ),
        )
        self.hybridencode(
            (
                b'data/aux/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/au~78/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'8a178558405ca6fb4bbd75446dfa186f06751a0d'
            ),
        )
        self.hybridencode(
            (
                b'data/nul/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/nu~6c/56789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'c5e51b6fec1bd07bd243b053a0c3f7209855b886'
            ),
        )
        self.hybridencode(
            (
                b'data/com1/6789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/co~6d1/6789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'32f5f44ece3bb62b9327369ca84cc19c86259fcd'
            ),
        )
        self.hybridencode(
            (
                b'data/com9/6789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/co~6d9/6789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'734360b28c66a3230f55849fe8926206d229f990'
            ),
        )
        self.hybridencode(
            (
                b'data/lpt1/6789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/lp~741/6789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'e6f16ab4b6b0637676b2842b3345c9836df46ef7'
            ),
        )
        self.hybridencode(
            (
                b'data/lpt9/6789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-12345'
            ),
            (
                b'dh/lp~749/6789-123456789-123456789-123456789-123456789'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxx'
                b'a475814c51acead3e44f2ff801f0c4903f986157'
            ),
        )

    def testnonreservednolimit(self):
        # non-reserved names, just not hitting limit
        self.hybridencode(
            (
                b'data/123456789-123456789-123456789-123456789-123456789-'
                b'/com/com0/lpt/lpt0/'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12345'
            ),
            (
                b'data/123456789-123456789-123456789-123456789-123456789-'
                b'/com/com0/lpt/lpt0/'
                b'-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12345'
            ),
        )

    def testhashedpathuntrucfirst(self):
        # hashed path with largest untruncated 1st dir
        self.hybridencode(
            (
                b'data/12345678/-123456789-123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/-123456789-123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxx4e9e9e384d00929a93b6835fbf976eb32321ff3c'
            ),
        )

    def testhashedpathsmallesttrucdir(self):
        # hashed path with smallest truncated 1st dir
        self.hybridencode(
            (
                b'data/123456789/123456789-123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/123456789-123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxx1f4e4ec5f2be76e109bfaa8e31c062fe426d5490'
            ),
        )

    def testhashedlargesttwountruc(self):
        # hashed path with largest untruncated two dirs
        self.hybridencode(
            (
                b'data/12345678/12345678/9-123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/9-123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxx3332d8329d969cf835542a9f2cbcfb385b6cf39d'
            ),
        )

    def testhashedpathsmallesttrunctwodirs(self):
        # hashed path with smallest truncated two dirs
        self.hybridencode(
            (
                b'data/123456789/123456789/123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/123456789-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx'
                b'9699559798247dffa18717138859be5f8874840e'
            ),
        )

    def testhashuntruncthree(self):
        # hashed path with largest untruncated three dirs
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/89-123456789-123456789-'
                b'hashed----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/89-123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxf0a2b053bb1369cce02f78c217d6a7aaea18c439'
            ),
        )

    def testhashtruncthree(self):
        # hashed path with smallest truncated three dirs
        self.hybridencode(
            (
                b'data/123456789/123456789/123456789/123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/123456789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-'
                b'1c6f8284967384ec13985a046d3553179d9d03cd'
            ),
        )

    def testhashuntrucfour(self):
        # hashed path with largest untruncated four dirs
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/789-123456789-hashed'
                b'----xxxxxxxxx-xxxxxxx0d30c99049d8f0ff97b94d4ef302027e8d54c6fd'
            ),
        )

    def testhashtruncfour(self):
        # hashed path with smallest truncated four dirs
        self.hybridencode(
            (
                b'data/123456789/123456789/123456789/123456789/123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/123456789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-x'
                b'46162779e1a771810b37a737f82ae7ed33771402'
            ),
        )

    def testhashuntruncfive(self):
        # hashed path with largest untruncated five dirs
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/6789-hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/6789-hashed'
                b'----xxxxxxxxx-xxxxxxxbfe752ddc8b003c2790c66a9f2eb1ea75c114390'
            ),
        )

    def testhashtruncfive(self):
        # hashed path with smallest truncated five dirs
        self.hybridencode(
            (
                b'data/123456789/123456789/123456789/123456789/123456789/hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/hashed'
                b'----xxxxxxxxx-xxxxxxxxx-xx'
                b'b94c27b3532fa880cdd572b1c514785cab7b6ff2'
            ),
        )

    def testhashuntruncsix(self):
        # hashed path with largest untruncated six dirs
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'ed----xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'ed----xxxxxxxxx-xxxxxxx'
                b'cd8cc5483a0f3be409e0e5d4bf9e36e113c59235'
            ),
        )

    def testhashtruncsix(self):
        # hashed path with smallest truncated six dirs
        self.hybridencode(
            (
                b'data/123456789/123456789/123456789/123456789/123456789/'
                b'123456789/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'xxxxxxxxx-xxxxxxxxx-xxx'
                b'47dd6f616f833a142da00701b334cebbf640da06'
            ),
        )

    def testhashuntrunc7(self):
        # hashed path with largest untruncated seven dirs
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/xxxxxx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/xxxxxx-xxxxxxx'
                b'1c8ed635229fc22efe51035feeadeb4c8a0ecb82'
            ),
        )

    def testhashtrunc7(self):
        # hashed path with smallest truncated seven dirs
        self.hybridencode(
            (
                b'data/123456789/123456789/123456789/123456789/123456789/'
                b'123456789/123456789/'
                b'xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/123'
                b'45678/xxxxxxxxx-xxxx298ff7d33f8ce6db57930837ffea2fb2f48bb926'
            ),
        )

    def testhashuntrunc8(self):
        # hashed path with largest untruncated eight dirs
        # (directory 8 is dropped because it hits _maxshortdirslen)
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345678/xxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/1'
                b'2345678/xxxxxxx-xxxxxxc8996ccd41b471f768057181a4d59d2febe7277d'
            ),
        )

    def testhashtrunc8(self):
        # hashed path with smallest truncated eight dirs
        # (directory 8 is dropped because it hits _maxshortdirslen)
        self.hybridencode(
            (
                b'data/123456789/123456789/123456789/123456789/123456789/'
                b'123456789/123456789/123456789/xxxxxxxxx-xxxxxxxxx-'
                b'123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/xxxxxxxxx-xxxx'
                b'4fa04a839a6bda93e1c21c713f2edcbd16e8890d'
            ),
        )

    def testhashnondropped8(self):
        # hashed path with largest non-dropped directory 8
        # (just not hitting the _maxshortdirslen boundary)
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789'
                b'-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12345/-xxxxxxx'
                b'4d43d1ccaa20efbfe99ec779dc063611536ff2c5'
            ),
        )
        # ...adding one truncated char to dir 1..7 won't drop dir 8
        self.hybridencode(
            (
                b'data/12345678x/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/1234'
                b'5678/12345/xxxxxxxx0f9efce65189cc60fd90fe4ffd49d7b58bbe0f2e'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678x/12345678/12345678/12345678/12345678'
                b'/12345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/1234'
                b'5678/12345/xxxxxxxx945ca395708cafdd54a94501859beabd3e243921'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678x/12345678/12345678/12345678/12'
                b'345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/1234'
                b'5678/12345/xxxxxxxxac62bf6898c4fd0502146074547c11caa751a327'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678x/12345678/12345678/12'
                b'345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/1234'
                b'5678/12345/xxxxxxxx2ae5a2baed7983fae8974d0ca06c6bf08b9aee92'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678x/12345678/'
                b'12345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/1234'
                b'5678/12345/xxxxxxxx214aba07b6687532a43d1e9eaf6e88cfca96b68c'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678x'
                b'/12345678/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/1234'
                b'5678/12345/xxxxxxxxe7a022ae82f0f55cf4e0498e55ba59ea4ebb55bf'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678x/12345/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12345'
                b'678/12345/xxxxxxxxb51ce61164996a80f36ce3cfe64b62d519aedae3'
            ),
        )

    def testhashedpathshortestdropped8(self):
        # hashed path with shortest dropped directory 8
        # (just hitting the _maxshortdirslen boundary)
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/123456/xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/xxxxxxxxx-xxxx'
                b'11fa9873cc6c3215eae864528b5530a04efc6cfe'
            ),
        )

    def testhashedpathdropsdir8fortrailingdotspace(self):
        # hashed path that drops dir 8 due to dot or space at end is
        # encoded, and thus causing to hit _maxshortdirslen
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/1234./-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/-xxxxxxxxx-xxx'
                b'602df9b45bec564e2e1f0645d5140dddcc76ed58'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/1234 /-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-'
                b'123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/-xxxxxxxxx-xxx'
                b'd99ff212bc84b4d1f70cd6b0071e3ef69d4e12ce'
            ),
        )
        # ... with dir 8 short enough for encoding
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12./xx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx'
                b'-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12~2e/'
                b'xx-xxxxx7baeb5ed7f14a586ee1cacecdbcbff70032d1b3c'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12 '
                b'/xx-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-123456'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12~20/'
                b'xx-xxxxxcf79ca9795f77d7f75745da36807e5d772bd5182'
            ),
        )

    def testextensionsreplicatedonhashedpaths(self):
        # Extensions are replicated on hashed paths. Note that
        # we only get to encode files that end in .i or .d inside the
        # store. Encoded filenames are thus bound in length.
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'45.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxxc10ad03b5755ed524f5286aab1815dfe07729438.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'45.d'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxx9eec83381f2b39ef5ac8b4ecdf2c94f7983f57c8.d'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxxb7796dc7d175cfb0bb8a7728f58f6ebec9042568.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'4567.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxxb515857a6bfeef017c4894d8df42458ac65d55b8.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'45678.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxxb05a0f247bc0a776211cd6a32ab714fd9cc09f2b.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456789.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxxf192b48bff08d9e0e12035fb52bc58c70de72c94.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456789-.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxx435551e0ed4c7b083b9ba83cee916670e02e80ad.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456789-1.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxxa7f74eb98d8d58b716356dfd26e2f9aaa65d6a9a.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456789-12.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxxed68d9bd43b931f0b100267fee488d65a0c66f62.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456789-123.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxx5cea44de2b642d2ba2b4a30693ffb1049644d698.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456789-1234.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxx68462f62a7f230b39c1b5400d73ec35920990b7e.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456789-12345.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxx4cb852a314c6da240a83eec94761cdd71c6ec22e.i'
            ),
        )
        self.hybridencode(
            (
                b'data/12345678/12345678/12345678/12345678/12345678/12345678/'
                b'12345678/12345/-xxxxxxxxx-xxxxxxxxx-xxxxxxxxx-123456789-12.3'
                b'456789-12345-ABCDEFGHIJKLMNOPRSTUVWXYZ-'
                b'abcdefghjiklmnopqrstuvwxyz-ABCDEFGHIJKLMNOPRSTUVWXYZ'
                b'-1234567890-xxxxxxxxx-xxxxxxxxx-xxxxxxxx'
                b'-xxxxxxxxx-wwwwwwwww-wwwwwwwww-wwwwwwwww-wwwwwwwww'
                b'-wwwwwwwww-wwwwwwwww-wwwwwwwww-wwwwwwwww-wwwwwwwww.i'
            ),
            (
                b'dh/12345678/12345678/12345678/12345678/12345678/12345678/12'
                b'345678/12345/-xxxxx93352aa50377751d9e5ebdf52da1e6e69a6887a6.i'
            ),
        )

    def testpathsoutsidedata(self):
        # paths outside data/ can be encoded
        self.hybridencode(
            b'metadata/dir/00manifest.i', b'metadata/dir/00manifest.i'
        )
        self.hybridencode(
            (
                b'metadata/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12345678/00manifest.i'
            ),
            (
                b'dh/ata/12345678/12345678/12345678/12345678/12345678'
                b'/12345678/12345678/00manife'
                b'0a4da1f89aa2aa9eb0896eb451288419049781b4.i'
            ),
        )


if __name__ == '__main__':
    import silenttestrunner

    silenttestrunner.main(__name__)