#!/bin/sh
######################################################
#
# Test display of new version welcome message.  This
# doesn't really belong in install-mh.
#
######################################################

set -e

if test -z "${MH_OBJ_DIR}"; then
    srcdir=`dirname $0`/../..
    MH_OBJ_DIR=`cd $srcdir && pwd`; export MH_OBJ_DIR
fi

. "${MH_OBJ_DIR}/test/common.sh"

setup_test

if test ! -t 0 || test ! -t 1 || test ! -t 2; then
    test_skip 'must be connected to terminal'
fi

require_prog script
#### FreeBSD script, e.g., doesn't use -c to identify a command to run.
if script -c 'echo OK' /dev/null 2>&1 | egrep 'OK' >/dev/null; then
    script_command_opt='-c'
else
    script_command_opt=''
fi

#### Run a command but don't wait for user input.  script(1) seems to do
#### what we want by not waiting when run in the background.
run_without_input() {
    if [ "$script_command_opt" = -c ]; then
        #### -c takes single argument with command + arguments.
        script -q -f -c "$*" "$actual" >/dev/null &
    else
        #### E.g., FreeBSD.  Don't combine command arguments.
        script -q -t 0 "$actual" "$@" >/dev/null &
    fi

    wait $!
}

actual="$MH_TEST_DIR/test-version-check$$.actual"
context="${MH_TEST_DIR}"/Mail/context
version="Version: nmh-${MH_VERSION}"

# Removing Version will trigger the welcome message.  (setup_test
# inserted it so that other tests wouldn't show it.)
grep -v Version "$context" > "$context.NEW"
mv -f "$context.NEW" "$context"


start_test 'mhparam skips the welcome message'
run_without_input mhparam path
grep 'Welcome to nmh version ' "$actual" >/dev/null  &&  false
# Make sure that version wasn't added to context.
grep "^${version}$" "${MH_TEST_DIR}/Mail/context" >/dev/null  &&  false
rm "$actual"


start_test 'Welcome: disable in profile skips the welcome message'
cp "${MH}" "${MH}-welcome"
printf 'Welcome: disable\n' >> "${MH}-welcome"
(MH="${MH}-welcome" run_without_input pick last)
grep 'Welcome to nmh version ' "$actual" >/dev/null  &&  false
# Make sure that version wasn't added to context.
grep "^${version}$" "${MH_TEST_DIR}/Mail/context" >/dev/null  &&  false
rm "$actual"


start_test 'with welcome message'
run_without_input pick last
grep 'Welcome to nmh version ' "$actual" >/dev/null
# Make sure that version was added to context.
grep "^${version}$" "${MH_TEST_DIR}/Mail/context" >/dev/null
rm "$actual"


start_test 'without welcome message'
# After running the previous test, this one should not have
# the welcome message.
run_without_input pick last
grep 'Welcome to nmh version ' "$actual" >/dev/null  &&  false
# Make sure that version is still in context.
grep "^${version}$" "${MH_TEST_DIR}/Mail/context" >/dev/null
rm "$actual"


start_test 'with MHCONTEXT, welcome only if older'
MHCONTEXT="${MH_TEST_DIR}/Mail/context2"; export MHCONTEXT
printf 'Version: nmh-1.5\n' >"${MHCONTEXT}"
run_without_input pick last
grep 'Welcome to nmh version ' "$actual" >/dev/null
# And make sure that version did get updated in context.
grep "^${version}$" "${MHCONTEXT}" >/dev/null
rm "$actual"


start_test "with MHCONTEXT doesn't welcome if newer"
printf 'Version: nmh-10000.0\n' >"${MHCONTEXT}"
run_without_input pick last
grep 'Welcome to nmh version ' "$actual" >/dev/null  &&  false
# And make sure that version didn't get updated in context.
grep '^Version: nmh-10000.0$' "${MHCONTEXT}" >/dev/null
rm "$actual"


start_test 'with MHCONTEXT but no version, no welcome and update'
printf '' >"${MHCONTEXT}"
run_without_input pick last
grep 'Welcome to nmh version ' "$actual" >/dev/null  &&  false
# And make sure that version did get updated in context.
grep "^${version}$" "${MHCONTEXT}" >/dev/null
rm "$actual"


finish_test
exit $failed