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# vim: set ts=4 sw=4 et:
# Utilities for the test runners
if test "$argv[1]" = (status -f)
echo 'test_util.fish requires sourcing script as argument to `source`' >&2
echo 'use `source test_util.fish (status -f); or exit`' >&2
status --print-stack-trace >&2
exit 1
end
# Any remaining arguments are passed back to test.fish
set -l args_for_test_script
if set -q argv[2]
set args_for_test_script $argv[2..-1]
end
function die
set -q argv[1]; and echo $argv[1] >&2
exit 1
end
# check if we're running in the test environment
# if not, set it up and rerun fish with exec.
# The test is whether the special var __fish_is_running_tests
# exists and contains the same value as XDG_CONFIG_HOME. It checks
# the value and not just the presence because we're going to delete
# the config directory later if we're exiting successfully.
if not set -q __fish_is_running_tests
# set up our test environment and re-run the original script
set -l script $argv[1]
switch $script
case '/*'
# path is absolute
case '*'
# path is relative, make it absolute
set script $PWD/$script
end
set -l IFS # clear IFS so cmd substitution doesn't split
cd (dirname $script); or die
set -xl XDG_CONFIG_HOME (printf '%s/tmp.config/%s' $PWD %self); or die
if test -d $XDG_CONFIG_HOME
# if the dir already exists, we've reused a pid
# this would be surprising to reuse a fish pid that failed in the past,
# but clear it anyway
rm -r $XDG_CONFIG_HOME; or die
end
mkdir -p $XDG_CONFIG_HOME/fish; or die
ln -s $PWD/test_functions $XDG_CONFIG_HOME/fish/functions; or die
set -l escaped_parent (dirname $PWD | sed -e 's/[\'\\\\]/\\\\&/g'); or die
set -l escaped_config (printf '%s/fish' $XDG_CONFIG_HOME | sed -e 's/[\'\\\\]/\\\\&/g'); or die
printf 'set fish_function_path \'%s/functions\' \'%s/share/functions\'\n' $escaped_config $escaped_parent > $XDG_CONFIG_HOME/fish/config.fish; or die
set -xl __fish_is_running_tests $XDG_CONFIG_HOME
# set locale information to be consistent
set -lx LANG C
set -lx LC_ALL ''
for var in ALL COLLATE MESSAGES MONETARY NUMERIC TIME
set -lx LC_$var ''
end
set -lx LC_CTYPE en_US.UTF-8
exec ../fish $script $args_for_test_script
die 'exec failed'
else if test "$__fish_is_running_tests" != "$XDG_CONFIG_HOME"
echo 'Something went wrong with the test runner.' >&2
echo "__fish_is_running_tests: $__fish_is_running_tests" >&2
echo "XDG_CONFIG_HOME: $XDG_CONFIG_HOME" >&2
exit 10
else
# we're running tests with a temporary config directory
function test_util_on_exit --on-process-exit %self -V __fish_is_running_tests
if not set -q __fish_test_keep_tmp_config
# remove the temporary config directory
# unfortunately if this fails we can't alter the exit status of fish
if not rm -r "$__fish_is_running_tests"
echo "error: Couldn't remove temporary config directory '$__fish_is_running_tests'" >&2
end
end
end
# unset __fish_is_running_tests so any children that source
# test_util.fish will set up a new test environment.
set -e __fish_is_running_tests
end
set -l suppress_color
if not tty 0>&1 >/dev/null
set suppress_color yes
end
function say -V suppress_color
set -l color_flags
set -l suppress_newline
while set -q argv[1]
switch $argv[1]
case -b -o -u
set color_flags $color_flags $argv[1]
case -n
set suppress_newline 1
case --
set -e argv[1]
break
case -\*
continue
case \*
break
end
set -e argv[1]
end
if not set -q argv[2]
echo 'usage: say [flags] color string [string...]' >&2
return 1
end
if begin; test -n "$suppress_color"; or set_color $color_flags $argv[1]; end
printf '%s' $argv[2..-1]
test -z "$suppress_color"; and set_color reset
if test -z "$suppress_newline"
echo
end
end
end
function colordiff -d 'Colored diff output for unified diffs'
diff $argv | while read -l line
switch $line
case '+*'
say green $line
case '-*'
say red $line
case '@*'
say cyan $line
case '*'
echo $line
end
end
end
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