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#!/bin/sh -x
#
# Wrapper around inotifywait to run tests on file changes.
# If a test file changes, only this file is run (first), while the whole test
# suite is run afterwards (and initially).
#
# The recommended way to run it is via `make testwatch`, or `make testwatchx`
# (to exit on first failure).
#
# # Internal documentation:
# The default run command is "make %s" (where %s gets replaced with the test
# file(s)), and can be given as first argument.
#
# You can specify VADER_OPTIONS=-x to exit on the first test failure:
# VADER_OPTIONS=-x contrib/run-tests-watch
# or use the following:
# contrib/run-tests-watch 'make %s VADER_OPTIONS=-x'
#
# VADER_ARGS gets used to focus on a specific test file initially, until
# another test file gets changed.
watch="autoload plugin tests"
echo "Watching: $watch"
if [ -n "$1" ]; then
cmdpattern="$1"
else
cmdpattern="make %s VADER_OPTIONS='$VADER_OPTIONS'"
fi
title() {
printf '\e]1;%s\a' "$*"
printf '\e]2;%s\a' "$*"
}
status_file=$(mktemp)
handle_cmd_result() {
if [ "$1" = 0 ]; then
last_test_succeeded=1
title "✔ $2"
if [ "${2#*${alltestsfile}*}" != "$2" ]; then
alltests_succeeded=1
fi
else
last_test_succeeded=0
title "✘ $2"
if [ "${2#*${alltestsfile}*}" != "$2" ]; then
alltests_succeeded=0
fi
fi
echo "$last_test_succeeded $alltests_succeeded" > "$status_file"
}
# Recursively kill childs - required to get out of a running pdb.
kill_with_childs() {
for p in $(pgrep -P "$1"); do
kill_with_childs "$p"
done
if kill -0 "$1" 2>/dev/null; then
kill "$1" || true
fi
}
alltestsfile='tests/all.vader'
alltests_succeeded=0
pid=
changed_files=
set -e
last_changed_testsfile="${VADER_ARGS:-$alltestsfile}"
while true; do
testfiles="$last_changed_testsfile"
if [ -n "$changed_files" ]; then
# There was a previous run
echo "================================================================="
echo "changed file: $changed_files"
read -r last_test_succeeded alltests_succeeded < "$status_file" || alltests_succeeded=0
if [ "${changed_files#tests/}" != "$changed_files" ] \
&& [ "${changed_files#tests/include/}" = "$changed_files" ]; then
# A test file was changed (but not an include file).
last_changed_testsfile="$changed_files"
testfiles="$last_changed_testsfile"
# Run full tests afterwards (if not successful before).
if [ "$testfiles" != "$alltestsfile" ] && [ "$alltests_succeeded" = 0 ]; then
testfiles="$testfiles $alltestsfile"
fi
elif [ "$last_test_succeeded" = 1 ]; then
# Run all tests.
alltests_succeeded=0
testfiles="$alltestsfile"
if [ "${VADER_OPTIONS#*-x*}" != "$VADER_OPTIONS" ]; then
# Run tests matching the changed file first, e.g. tests/config.vader for
# autoload/neomake/config.vim.
test_file_for_changed_file="tests/${changed_files#autoload/neomake/}"
test_file_for_changed_file="${test_file_for_changed_file%.vim}.vader"
declare -p test_file_for_changed_file
if [ -f "$test_file_for_changed_file" ]; then
testfiles="$test_file_for_changed_file $testfiles"
fi
fi
fi
if [ -n "$pid" ] && kill -0 "$pid" 2>/dev/null; then
echo 'Killing previous run…'
kill_with_childs "$pid"
fi
fi
# shellcheck disable=SC2059
cmd="$(printf "$cmdpattern" "$testfiles")"
echo "Running $cmd"
title "… $testfiles"
# shellcheck disable=SC2015
(set +e; eval "$cmd"; handle_cmd_result "$?" "$testfiles") </dev/tty &
pid=$!
sleep 1
# shellcheck disable=SC2086
changed_files="$(inotifywait -q -r -e close_write \
--exclude '/(__pycache__/|\.)|.*\@neomake_.*' \
--format '%w%f' $watch)"
done
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