#! /bin/bash

top_srcdir="@abssrcdir@"
export top_srcdir

srcdir="@abssrcdir@/test"
export srcdir

# The top build directory, derived from the path to this script.
top_builddir=`dirname $0`
export top_builddir

test_dir="@abssrcdir@/test"
export test_dir

# Let the tests know whether bzip is supported or not.
BZIP2_SUPPORT="@BZIP2_SUPPORT@"
export BZIP2_SUPPORT

BZIP2_CMD="@BZIP2_CMD@"
export BZIP2_CMD

HOME="${top_builddir}/test"
export HOME

# The full path of the test case
test_file=$1
# The base name of the test case
test_file_base=`basename $1`
# The current test number for shell based tests.
test_num=0

lnav_test="${top_builddir}/src/lnav-test"
export lnav_test

lnav="${top_builddir}/src/lnav"
export lnav

LNAV_LOG_PATH="${top_builddir}/test/test.log"
export LNAV_LOG_PATH

SFTP_TEST_URL="@SFTP_TEST_URL@"
export SFTP_TEST_URL

HAVE_SQLITE3_VALUE_SUBTYPE="@HAVE_SQLITE3_VALUE_SUBTYPE@"
export HAVE_SQLITE3_VALUE_SUBTYPE

## BEGIN Functions

LAST_TEST=""

#
# Run a test case and capture its standard out and standard err.
#
# Usage: run_test <utility> [<argument> ...]
#
# Example:
#
#   To run rktimes and capture all of its stdio output:
#
#     run_test rktimes -V
#
run_test() {
    LAST_TEST="test: $@"
    "$@" > ${test_file_base}_${test_num}.tmp 2> ${test_file_base}_${test_num}.err
}

#
# Check the output generated by a run_test() call.
#
# Usage: check_output <fail message> {Expected output on stdin}
#
# Example:
#
#   To check the output of 'rktimes -V' and print out 'Unable to get version?'
#   if the output doesn't match:
#
#     run_test rktimes -V
#     check_output "Unable to get version?" <<EOF
#     0.5
#     EOF
#
check_output() {
    diff -w -u - ${test_file_base}_${test_num}.tmp > ${test_file_base}_${test_num}.diff
    if test $? -ne 0; then
        echo $LAST_TEST
        echo $1
        cat ${test_file_base}_${test_num}.diff
	    exit 1
    fi
    test_num=`expr ${test_num} \+ 1`
}

check_output_ws() {
    diff -u - ${test_file_base}_${test_num}.tmp > ${test_file_base}_${test_num}.diff
    if test $? -ne 0; then
        echo $LAST_TEST
        echo $1
        cat ${test_file_base}_${test_num}.diff
	    exit 1
    fi
    test_num=`expr ${test_num} \+ 1`
}

test_err_filename() {
    echo ${test_file_base}_${test_num}.err
}

check_error_output() {
    diff -w -u - ${test_file_base}_${test_num}.err \
        > ${test_file_base}_${test_num}.err.diff
    if test $? -ne 0; then
        echo $LAST_TEST
        echo $1
        cat ${test_file_base}_${test_num}.err.diff
        exit 1
    fi
}

#
# Grep for a string in the output generated by a run_test() call.
#
# Usage: grep_output_for <string> <fail maessage>
#
# Example:
#
#   To check the output of 'cbhey -l' for 'IDL:Foobar:1.0' and print out
#   'Unable to list supported interfaces?' if it is not found:
#
#     run_test cbhey -l
#     grep_output_for "IDL:Foobar:1.0" "Unable to list supported interface?"
#
grep_output_for() {
    if grep -q $1 ${test_file_base}_${test_num}.tmp > /dev/null 2>&1; then
	:
    else
	echo "${test_file_base}_${test_num}.tmp: $2"
	exit 1
    fi
    test_num=`expr ${test_num} \+ 1`
}

on_error_fail_with() {
    if test $? -ne 0; then
	echo $1 > /dev/stderr
	exit 1
    fi
}

## END Functions


# Finally, run the test...

if test -x $1 && test `basename $1 .sh` == `basename $1`; then
    exec $*
else
    # Shell script
    shift
    . ${test_file}
fi
