# Store pwd to later go back before cleaning up
set -l oldpwd (pwd)
# Create a test directory to store our stuff.
set -l base /tmp/cdcomp_test
rm -Rf $base
mkdir -p $base
logmsg cd symlink non-resolution
set real (mktemp -d)
set link $base/link
ln -s $real $link
cd $link
test "$PWD" = "$link" || echo "\$PWD != \$link:"\n   "\$PWD: $PWD"\n   "\$link: $link"\n
test (pwd) = "$link" || echo "(pwd) != \$link:"\n   "\$PWD: "(pwd)\n   "\$link: $link"\n
test (pwd -P) = "$real" || echo "(pwd -P) != \$real:"\n   "\$PWD: $PWD"\n   "\$real: $real"\n
test (pwd -P -L) = "$link" || echo "(pwd -P -L) != \$link:"\n   "\$PWD: $PWD"\n   "\$link: $link"\n

logmsg cd symlink completion

# Create a symlink and verify logical completion.
# create directory $base/through/the/looking/glass
# symlink $base/somewhere/teleport -> $base/through/the/looking/glass
# verify that .. completions work
cd $base
mkdir -p $base/through/the/looking/glass

mkdir -p $base/somewhere
mkdir $base/somewhere/a1
mkdir $base/somewhere/a2
mkdir $base/somewhere/a3
touch $base/through/the/looking/b(seq 1 3)
mkdir $base/through/the/looking/d1
mkdir $base/through/the/looking/d2
mkdir $base/through/the/looking/d3
ln -s $base/through/the/looking/glass $base/somewhere/rabbithole

cd $base/somewhere/rabbithole
echo "ls:"
complete -C'ls ../'
echo "cd:"
complete -C'cd ../'

logmsg Virtual PWD inheritance
# PWD should be imported and respected by fish

cd $oldpwd
mkdir -p $base/realhome
set fish_path $PWD/../test/root/bin/fish
ln -s $base/realhome $base/linkhome
cd $base/linkhome
set -l real_getcwd (pwd -P)
env HOME=$base/linkhome $fish_path -c 'echo PWD is $PWD'

# Do not inherit a virtual PWD that fails to resolve to getcwd (#5647)

env HOME=$base/linkhome PWD=/tmp $fish_path -c 'echo $PWD' | read output_pwd
test (realpath $output_pwd) = $real_getcwd
and echo "BogusPWD test 1 succeeded"
or echo "BogusPWD test 1 failed: $output_pwd vs $real_getcwd"

env HOME=$base/linkhome PWD=/path/to/nowhere $fish_path -c 'echo $PWD' | read output_pwd
test (realpath $output_pwd) = $real_getcwd
and echo "BogusPWD test 2 succeeded"
or echo "BogusPWD test 2 failed: $output_pwd vs $real_getcwd"

# $CDPATH
logmsg CDPATH
set -g CDPATH $base
cd linkhome
test $PWD = $base/linkhome; and echo Gone to linkhome via CDPATH
set -g CDPATH /tmp
cd $base
test $PWD = $base; and echo Gone to base
cd linkhome
test $PWD = $base/linkhome; and echo Gone to linkhome via implicit . in CDPATH
set -g CDPATH ./
cd $base
test $PWD = $base; and echo No crash with ./ CDPATH

# cd back before removing the test directory again.
cd $oldpwd
rm -Rf $base

logmsg on-variable PWD
# Verify that PWD on-variable events are sent
function __fish_test_changed_pwd --on-variable PWD
   echo "Changed to $PWD"
end
cd /
functions --erase __fish_test_changed_pwd

logmsg cd concurrency
# Verify that cds don't stomp on each other.
function __fish_test_thrash_cd
   set -l dir (mktemp -d)
   cd $dir
   for i in (seq 50)
       test (/bin/pwd) = $dir
       and test $PWD = $dir
       or echo "cd test failed" 1>&2
       sleep .002
   end
end
__fish_test_thrash_cd |
__fish_test_thrash_cd |
__fish_test_thrash_cd |
__fish_test_thrash_cd |
__fish_test_thrash_cd