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gen_tests.sh
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gen_tests.sh
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#!/usr/bin/env sh
# Purpose: Generate test scripts
# Author : Álvaro Mondéjar Rubio
# License: MIT
# Date : 2021 September 29th
# Example:
#
# $ sh ./bin/gen_tests.sh < lib/dpkg.txt > ./test.sh
# $ docker run --rm \
# -v $PWD/test.sh:/tmp/test.sh \
# -v $PWD/pacapt.dev:/usr/bin/pacman \
# -e "MSG_PREFIX=:: (INFO) " \
# ubuntu:14.04 \
# /bin/sh /tmp/test.sh 2>test.log
/bin/echo "#!/bin/sh"
/bin/echo ""
/bin/echo "# Notes: This file is generated. Please don't modify them manually."
/bin/echo ""
/bin/echo "export PATH=/sbin:/bin:/usr/sbin:/usr/bin:\$PATH"
/bin/echo ""
/bin/echo "N_TEST=0 # Total number of tests"
/bin/echo "N_FAIL=0 # Number of failed tests"
/bin/echo "F_TMP= # Temporary file"
/bin/echo "T_FAIL=0 # Number of failed tests in current block"
/bin/echo ""
/bin/echo "set -u"
/bin/echo ""
/bin/echo ": \"\${GGREP:=grep}\""
/bin/echo ""
/bin/echo "if [ \"\$(uname)\" = \"SunOS\" ]; then"
/bin/echo " GGREP=ggrep"
/bin/echo "fi"
/bin/echo ""
#
# Just send message to STDERR
#
# When CI is set, we expect the current test script is executed directly
# by Github-Runner shell (not via our Docker launcher.)
# This is the case for non-docker tests (homebrew, pkgng).
# We need to reduce the duplicate log message in these cases.
#
/bin/echo "_log() { if [ -z \"\${CI:-}\" ]; then echo \"\$*\" 1>&2 ; fi; }"
# A fancy wrappers of _log
#
# Where there is any message, we need to ensure they are on both
# channels (STDIN, STDERR). Normally, the STDERR has more verbose
# information, i.e, the output of all executions. The STDERR will
# be [often] captured for later investigation and it's done via
# the `tests/test.sh`. From STDIN we try to keep it compact.
# ...
#
# shellcheck disable=SC2016
printf '_fail() { _log "${MSG_PREFIX}Fail: $*"; printf "${MSG_PREFIX}[31mFail[0m: %%s\n' # red
printf '" "$*"; }\n'
/bin/echo "_erro() { _log \"\${MSG_PREFIX}Erro: \$*\"; echo \"\${MSG_PREFIX}Erro: \$*\"; }"
/bin/echo "_info() { _log \"\${MSG_PREFIX}Info: \$*\"; echo \"\${MSG_PREFIX}Info: \$*\"; }"
/bin/echo "_pass() { _log \"\${MSG_PREFIX}Pass: \$*\"; echo \"\${MSG_PREFIX}Pass: \$*\"; }"
/bin/echo "_exec() { _log \"\${MSG_PREFIX}Exec: \$*\"; echo \"\${MSG_PREFIX}Exec: \$*\"; }"
/bin/echo "_warn() { _log \"\${MSG_PREFIX}Warn: \$*\"; echo \"\${MSG_PREFIX}Warn: \$*\"; }"
/bin/echo "_stde() { _log \"\${MSG_PREFIX}Info: \$*\"; }"
# Create a secure log (file) stream. If the file was set in \$F_TMP
# we print out all output and remove that too.
/bin/echo "_slog() {"
/bin/echo " if [ -n \"\${F_TMP:-}\" ]; then"
# ... first we record all logs to STDERR for later investigation
/bin/echo " if [ -z \"\${CI:-}\" ]; then"
/bin/echo " _stde 'Exec. output:'"
/bin/echo " 1>&2 cat \$F_TMP"
/bin/echo " fi"
# ...
# but when our test fails, we also print the first 100 lines to
# the STDOUT, so that we can see them quickly. It can be tricky
# when homebrew/pkgng fails, because we don't have any access
# to MacOS environment on github-action runner. But let's see...
/bin/echo " if [ \$T_FAIL -ge 1 ]; then"
/bin/echo " cat \$F_TMP \\"
# shellcheck disable=SC2028
/bin/echo " | awk '{ if (NR <= 100) { printf(\" > %s\\n\", \$0); }}"
# shellcheck disable=SC2028
/bin/echo " END { if (NR > 100) { printf(\" > ...\\n\");}}'"
/bin/echo " fi"
/bin/echo " rm -f \"\${F_TMP}\""
# We record a seperator in the output because it's too verbose
/bin/echo " _stde ====================================================="
/bin/echo " export T_FAIL=0"
/bin/echo " else"
/bin/echo " export T_FAIL=0"
/bin/echo " export F_TMP=\"\$(mktemp)\""
/bin/echo " if [ -z \"\${F_TMP:-}\" ]; then"
/bin/echo " _fail 'Unable to create temporary file.'"
/bin/echo " fi"
/bin/echo " fi"
/bin/echo "}"
new_test=1
while read -r line; do
first_3_chars="$(/bin/echo "$line" | cut -c -1,2,3)"
if [ "$first_3_chars" = "in " ]; then
if [ "$new_test" -eq 1 ]; then
/bin/echo ""
/bin/echo "_slog"
new_test=0
fi
cmd="$(
/bin/echo "$line" \
| cut -c 4- \
| PATTERN=\$LOG REPL=\$F_TMP awk '{gsub(ENVIRON["PATTERN"], ENVIRON["REPL"]); print}'
)"
if [ "$cmd" = "clear" ]; then
cmd="echo > \$F_TMP"
elif [ "$(echo "$cmd" | cut -c 1-2)" = "! " ]; then
# stripped command without !
cmd="$(echo "$cmd" | cut -c 3-)"
else
cmd="pacman $cmd"
fi
# FIXME: We wanted to use `tee` here, but that will create new pipes,
# FIXME: and hence some feature didn't work (e.g., export FOO=).
/bin/echo "if [ -n \"\${F_TMP:-}\" ]; then"
/bin/echo " _exec \"$cmd\""
/bin/echo " { $cmd ; } 1>>\$F_TMP 2>&1"
/bin/echo "fi"
elif [ "$first_3_chars" = "ou " ]; then
new_test=1
expected="$(/bin/echo "$line" | cut -c 4-)"
/bin/echo "N_TEST=\$(( N_TEST + 1 ))"
/bin/echo "if [ -n \"\${F_TMP:-}\" ]; then"
if [ -z "$expected" ] || [ "$expected" = "empty" ]; then
/bin/echo " ret=\"\$(\"\$GGREP\" -Ec '.+' \$F_TMP)\""
/bin/echo " if [ -z \"\$ret\" ] || [ \"\$ret\" -ge 1 ]; then"
else
/bin/echo " ret=\"\$(\"\$GGREP\" -Ec \"$expected\" \$F_TMP)\""
/bin/echo " if [ -z \"\$ret\" ] || [ \"\$ret\" -eq 0 ]; then"
fi
/bin/echo " _fail Expected \"$expected\""
/bin/echo " N_FAIL=\$(( N_FAIL + 1 ))"
/bin/echo " T_FAIL=\$(( T_FAIL + 1 ))"
/bin/echo " else"
/bin/echo " _pass Matched \"$expected\""
/bin/echo " fi"
/bin/echo "else"
/bin/echo " N_FAIL=\$(( N_FAIL + 1 ))"
/bin/echo "fi"
fi
done
/bin/echo "_slog"
/bin/echo "if [ \$N_FAIL -ge 1 ]; then"
/bin/echo " _fail \"\$N_FAIL/\$N_TEST test(s) failed.\""
/bin/echo " exit 1"
/bin/echo "else"
/bin/echo " _pass \"All \$N_TEST tests(s) passed.\""
/bin/echo "fi"