mirror of
https://github.com/fish-shell/fish-shell
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ece89f43aa
fish might use XDG_RUNTIME_DIR for the uvar notifier fifo, so this makes sure that tests are isolated. Also set permissions to comply with the XDG basedir spec.
101 lines
3.5 KiB
Bash
Executable file
101 lines
3.5 KiB
Bash
Executable file
# vim: set ts=4 sw=4 tw=100 et:
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# This script sets up a clean environment for a script or executable to execute in/under. It creates
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# (and sets) $TMPDIR initialized to a clean & unique temporary directory, creates a new $HOME, sets
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# the relevant XDG_* directories to point to subdirectories of that $HOME, cleans up any potentially
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# problematic environment variables, executes the provided command, waits for it to exit, then
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# cleans up the newly created environment before bubbling up the exit code. $PWD is not changed.
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# If sourced instead of executed, sets up the environment as before but does not execute any payload
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# and does not destroy the newly created environment.
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# macOS has really weird default IFS behavior that splits output in random places, and the trailing
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# backspace is to prevent \n from being gobbled up by the subshell output substitution.
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# Folks, this is why you should use fish!
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IFS="$(printf "\n\b")"
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# set -ex
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# The first argument is the path to the script to launch; all remaining arguments are forwarded to
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# the script.
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if test $# -gt 0; then
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target="$1"
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shift 1
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target_args="${@}"
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fi
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die() {
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if test "$#" -ge 0; then
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printf "%s\n" "$@" 1>&2
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fi
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exit 1
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}
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# Set up a test environment to run the specified target under. We do not share environments
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# whatsoever between tests, so each test driver run sets up a new profile altogether.
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# macOS 10.10 requires an explicit template for `mktemp` and will create the folder in the
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# current directory unless told otherwise. Linux isn't guaranteed to have $TMPDIR set.
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homedir="$(mktemp -d 2>/dev/null || mktemp -d "${TMPDIR}tmp.XXXXXXXXXX")"
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export HOME="$homedir"
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XDG_DATA_HOME="$homedir/xdg_data_home"
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export XDG_DATA_HOME
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mkdir -p $XDG_DATA_HOME/fish || die
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XDG_CONFIG_HOME="$homedir/xdg_config_home"
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export XDG_CONFIG_HOME
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mkdir -p $XDG_CONFIG_HOME/fish || die
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XDG_RUNTIME_DIR="$homedir/xdg_runtime_dir"
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export XDG_RUNTIME_DIR
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mkdir -p $XDG_RUNTIME_DIR/fish || die
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chmod 700 "$XDG_RUNTIME_DIR"
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# Create a temp/scratch directory for tests to use, if they want (tests shouldn't write to a
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# shared temp folder).
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TMPDIR="$homedir/temp"
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mkdir ${TMPDIR}
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export TMPDIR
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# Set locale information for consistent tests. Fish should work with a lot of locales but the
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# tests assume an english UTF-8 locale unless they explicitly override this default. We do not
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# want the users locale to affect the tests since they might, for example, change the wording of
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# logged messages.
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#
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# TODO: set LANG to en_US.UTF-8 so we test the locale message conversions (i.e., gettext).
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unset LANGUAGE
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# Remove "LC_" env vars from the test environment
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for key in $(env | grep -E "^LC_"| grep -oE "^[^=]+"); do
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unset "$key"
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done
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# Set the desired lang/locale tests are hard-coded against
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export LANG="C"
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export LC_CTYPE="en_US.UTF-8"
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# These env vars should not be inherited from the user environment because they can affect the
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# behavior of the tests. So either remove them or set them to a known value.
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# See also tests/interactive.fish.
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export TERM=xterm
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unset COLORTERM
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unset INSIDE_EMACS
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unset ITERM_PROFILE
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unset KONSOLE_PROFILE_NAME
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unset KONSOLE_VERSION
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unset PANTHEON_TERMINAL_ID
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unset TERM_PROGRAM
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unset TERM_PROGRAM_VERSION
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unset VTE_VERSION
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unset WT_PROFILE_ID
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unset XTERM_VERSION
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# If we are sourced, return without executing
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if test -z ${target}; then
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return 0
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fi
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echo "Proceeding with target execution"
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# Otherwise execute target
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("${target}" "${target_args}")
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test_status="$?"
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rm -rf "$homedir"
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exit "$test_status"
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