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|
use 5.008001;
use strict;
use warnings;
use Test::More 0.96;
use lib 't/lib';
use TestUtils qw/exception pushd tempd has_symlinks/;
use Path::Tiny;
# absolute() tests
my $rel1 = path(".");
my $abs1 = $rel1->absolute;
is( $abs1->absolute, $abs1, "absolute of absolute is identity" );
my $rel2 = $rel1->child("t");
my $abs2 = $rel2->absolute;
is( $rel2->absolute($abs1), $abs2, "absolute on base" );
# Note: in following relative() tests, capital 'A', 'B' denotes absolute path
# and lower case 'a', 'b' denotes relative paths. 'R' denotes the root
# directory. When there are multiple
# letters together, they indicate how paths relate in the hierarchy:
# A subsumes AB, ABC and ABD have a common prefix (referred to as AB).
# The presence of an underscore indicates a symlink somewhere in that segment
# of a path: ABC_D indicates a symlink somewhere between ABC and ABC_D.
my @symlink_free_cases = (
# identical (absolute and relative cases)
[ "A->rel(A)", "/foo/bar", "/foo/bar", "." ],
[ "a->rel(a)", "foo/bar", "foo/bar", "." ],
# descends -- absolute
[ "AB->rel(A)", "/foo/bar/baz", "/", "foo/bar/baz" ],
[ "AB->rel(A)", "/foo/bar/baz", "/foo", "bar/baz" ],
[ "AB->rel(A)", "/foo/bar/baz", "/foo/bar", "baz" ],
# descends -- relative
[ "ab->rel(a)", "foo/bar/baz", "", "foo/bar/baz" ],
[ "ab->rel(a)", "foo/bar/baz", ".", "foo/bar/baz" ],
[ "ab->rel(a)", "foo/bar/baz", "foo", "bar/baz" ],
[ "ab->rel(a)", "foo/bar/baz", "foo/bar", "baz" ],
# common prefix -- absolute (same volume)
[ "R->rel(A)", "/", "/bam", ".." ],
[ "R->rel(AB)", "/", "/bam/baz", "../.." ],
[ "ABC->rel(D)", "/foo/bar/baz", "/bam", "../foo/bar/baz" ],
[ "ABC->rel(AD)", "/foo/bar/baz", "/foo/bam", "../bar/baz" ],
[ "ABC->rel(ABD)", "/foo/bar/baz", "/foo/bar/bam", "../baz" ],
[ "ABC->rel(DE)", "/foo/bar/baz", "/bim/bam", "../../foo/bar/baz" ],
[ "ABC->rel(ADE)", "/foo/bar/baz", "/foo/bim/bam", "../../bar/baz" ],
[ "ABC->rel(ABDE)", "/foo/bar/baz", "/foo/bar/bim/bam", "../../baz" ],
# common prefix -- relative (same volume)
[ "abc->rel(d)", "foo/bar/baz", "bam", "../foo/bar/baz" ],
[ "abc->rel(ad)", "foo/bar/baz", "foo/bam", "../bar/baz" ],
[ "abc->rel(abd)", "foo/bar/baz", "foo/bar/bam", "../baz" ],
[ "abc->rel(de)", "foo/bar/baz", "bim/bam", "../../foo/bar/baz" ],
[ "abc->rel(ade)", "foo/bar/baz", "foo/bim/bam", "../../bar/baz" ],
[ "abc->rel(abde)", "foo/bar/baz", "foo/bar/bim/bam", "../../baz" ],
# both paths relative (not identical)
[ "ab->rel(a)", "foo/bar", "foo", "bar" ],
[ "abc->rel(ab)", "foo/bar/baz", "foo/bim", "../bar/baz" ],
[ "a->rel(b)", "foo", "bar", "../foo" ],
);
for my $c (@symlink_free_cases) {
my ( $label, $path, $base, $result ) = @$c;
is( path($path)->relative($base), $result, $label );
}
my @one_rel_from_root = (
[ "A->rel(b) from rootdir", "/foo/bar", "baz", "../foo/bar" ],
[ "a->rel(B) from rootdir", "foo/bar", "/baz", "../foo/bar" ],
);
{
my $wd = pushd("/");
for my $c (@one_rel_from_root) {
my ( $label, $path, $base, $result ) = @$c;
is( path($path)->relative($base), $result, $label );
}
}
{
my $wd = tempd("/");
my $cwd = Path::Tiny::cwd->realpath;
# A->rel(b) from tmpdir -- need to find updir from ./b to root
my $base = $cwd->child("baz");
my ( undef, @parts ) = split "/", $base;
my $up_to_root = path( "../" x @parts );
is(
path("/foo/bar")->relative("baz"),
$up_to_root->child("foo/bar"),
"A->rel(b) from tmpdir"
);
# a->rel(B) from tempdir -- path is .. + cwd + a
is(
path("foo/bar")->relative("/baz"),
path( "..", $cwd->_just_filepath, "foo/bar" ),
"a->rel(B) from tmpdir"
);
}
subtest "relative on absolute paths with symlinks" => sub {
my $wd = tempd;
my $cwd = path(".")->realpath;
my $deep = $cwd->child("foo/bar/baz/bam/bim/buz/wiz/was/woz");
$deep->mkdir();
plan skip_all => "No symlink support"
unless has_symlinks();
my ( $path, $base, $expect );
# (a) symlink in common path
#
# A_BCD->rel(A_BEF) - common point A_BC - result: ../../C/D
#
$cwd->child("A")->mkdir;
symlink $deep, "A/B" or die "$!";
$path = $cwd->child("A/B/C/D");
$path->mkdir;
is( $path->relative( $cwd->child("A/B/E/F") ), "../../C/D", "A_BCD->rel(A_BEF)" );
$cwd->child("A")->remove_tree;
$deep->remove_tree;
$deep->mkdir;
# (b) symlink in path from common to original path
#
# ABC_DE->rel(ABFG) - common point AB - result: ../../C/D/E
#
$cwd->child("A/B/C")->mkdir;
symlink $deep, "A/B/C/D" or die "$!";
$path = $cwd->child("A/B/C/D/E");
$path->mkdir;
is( $path->relative( $cwd->child("A/B/F/G") ), "../../C/D/E",
"ABC_DE->rel(ABC_FG)" );
$cwd->child("A")->remove_tree;
$deep->remove_tree;
$deep->mkdir;
# (c) symlink in path from common to new base; all path exist
#
# ABCD->rel(ABE_FG) - common point AB - result depends on E_F resolution
#
$path = $cwd->child("A/B/C/D");
$path->mkdir;
$cwd->child("A/B/E")->mkdir;
symlink $deep, "A/B/E/F" or die $!;
$base = $cwd->child("A/B/E/F/G");
$base->mkdir;
$expect = $path->relative( $deep->child("G") );
is( $path->relative($base), $expect, "ABCD->rel(ABE_FG) [real paths]" );
$cwd->child("A")->remove_tree;
$deep->remove_tree;
$deep->mkdir;
# (d) symlink in path from common to new base; paths after symlink
# don't exist
#
# ABCD->rel(ABE_FGH) - common point AB - result depends on E_F resolution
#
$path = $cwd->child("A/B/C/D");
$path->mkdir;
$cwd->child("A/B/E")->mkdir;
symlink $deep, "A/B/E/F" or die $!;
$base = $cwd->child("A/B/E/F/G/H");
$expect = $path->relative( $deep->child("G/H") );
is( $path->relative($base), $expect, "ABCD->rel(ABE_FGH) [unreal paths]" );
$cwd->child("A")->remove_tree;
$deep->remove_tree;
$deep->mkdir;
# (e) symlink at end of common, with updir at start of new base
#
# AB_CDE->rel(AB_C..FG) - common point really AB - result depends on
# symlink resolution
#
$cwd->child("A/B")->mkdir;
symlink $deep, "A/B/C" or die "$!";
$path = $cwd->child("A/B/C/D/E");
$path->mkdir;
$base = $cwd->child("A/B/C/../F/G");
$base->mkdir;
$expect = $path->relative( $deep->parent->child("F/G")->realpath );
is( $path->relative($base), $expect, "AB_CDE->rel(AB_C..FG)" );
$cwd->child("A")->remove_tree;
$deep->remove_tree;
$deep->mkdir;
# (f) updirs in new base [files exist]
#
# ABCDE->rel(ABF..GH) - common point AB - result ../../C/D/E
#
$path = $cwd->child("A/B/C/D/E");
$path->mkdir;
$cwd->child("A/B/F")->mkdir;
$cwd->child("A/B/G/H")->mkdir;
$base = $cwd->child("A/B/F/../G/H");
$expect = "../../C/D/E";
is( $path->relative($base), $expect, "ABCDE->rel(ABF..GH) [real paths]" );
$cwd->child("A")->remove_tree;
# (f) updirs in new base [files don't exist]
#
# ABCDE->rel(ABF..GH) - common point AB - result ../../C/D/E
#
$path = $cwd->child("A/B/C/D/E");
$base = $cwd->child("A/B/F/../G/H");
$expect = "../../C/D/E";
is( $path->relative($base), $expect, "ABCDE->rel(ABF..GH) [unreal paths]" );
$cwd->child("A")->remove_tree;
};
# XXX need to test common prefix case where both are abs but one
# has volume and one doesn't. (Win32: UNC and drive letters)
# XXX need to test A->rel(B) where A and B are different volumes,
# including UNC and drive letters
done_testing;
#
# This file is part of Path-Tiny
#
# This software is Copyright (c) 2014 by David Golden.
#
# This is free software, licensed under:
#
# The Apache License, Version 2.0, January 2004
#
|
