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Bash test: get the directory of a script
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| #!/bin/bash | |
| function test(){ | |
| local MESSAGE="$1" | |
| local RECEIVED="$2" | |
| local EXPECTED="$3" | |
| if [ "$RECEIVED" = "$EXPECTED" ]; then | |
| # shellcheck disable=SC1117 | |
| echo -e "\033[32m✔ Tested $MESSAGE" | |
| else | |
| # shellcheck disable=SC1117 | |
| echo -e "\033[31m✘ Tested $MESSAGE" | |
| echo -e " Received: $RECEIVED" | |
| echo -e " Expected: $EXPECTED" | |
| fi | |
| # shellcheck disable=SC1117 | |
| echo -en "\033[0m" | |
| } | |
| function testSuite(){ | |
| test 'absolute call' "$(bash /tmp/1234/test.sh)" /tmp/1234 | |
| test 'via symlinked dir' "$(bash /tmp/current/test.sh)" /tmp/1234 | |
| test 'via symlinked file' "$(bash /tmp/test.sh)" /tmp/1234 | |
| test 'via multiple symlinked dirs' "$(bash /tmp/current/loop/test.sh)" /tmp/1234 | |
| pushd /tmp >/dev/null || exit 1 | |
| test 'relative call' "$(bash 1234/test.sh)" /tmp/1234 | |
| popd >/dev/null || exit 1 | |
| test 'with space in dir' "$(bash /tmp/12\ 34/test.sh)" /tmp/1234 | |
| test 'with space in file' "$(bash /tmp/1234/te\ st.sh)" /tmp/1234 | |
| echo | |
| } | |
| function teardown(){ | |
| # remove symlinks before files | |
| local DIR="/tmp/1234"; | |
| local FILE="test.sh"; | |
| local DIR2="/tmp/12 34"; | |
| local FILE2="te st.sh"; | |
| [[ -e "${DIR2}" ]] && rm -rf "${DIR2:?}"; | |
| [[ -e "${DIR}/${FILE2}" ]] && rm -f "${DIR:?}/${FILE2}"; | |
| [[ -e "${DIR2}/${FILE}" ]] && rm -f "${DIR2:?}/${FILE}"; | |
| [[ -e "${DIR2}/${FILE2}" ]] && rm -f "${DIR2:?}/${FILE2}"; | |
| [[ -e /tmp/"${FILE}" ]] && rm -f "/tmp/${FILE}"; | |
| [[ -e /tmp/current ]] && rm -rf /tmp/current; | |
| [[ -e /tmp/current/loop ]] && rm -rf /tmp/current/loop; | |
| [[ -e "${DIR}" ]] && rm -rf "${DIR:?}"; | |
| [[ -e "${DIR}/${FILE}" ]] && rm -f "${DIR:?}/${FILE}"; | |
| } | |
| function setup(){ | |
| local DIR=/tmp/1234 | |
| local FILE=test.sh | |
| local DIR2="/tmp/12 34" | |
| local FILE2="te st.sh" | |
| mkdir "${DIR}" | |
| touch "${DIR}/${FILE}" | |
| ln -s "${DIR}/${FILE}" /tmp | |
| ln -s "${DIR}" /tmp/current | |
| ln -s "${DIR}" /tmp/current/loop | |
| mkdir "${DIR2}" | |
| ln -s "${DIR}/${FILE}" "${DIR}/${FILE2}" | |
| ln -s "${DIR}/${FILE}" "${DIR2}/${FILE}" | |
| ln -s "${DIR}/${FILE}" "${DIR2}/${FILE2}" | |
| } | |
| function test1(){ | |
| echo 'Test 1: via dirname' | |
| cat <<- EOF >/tmp/1234/test.sh | |
| echo \`dirname \$0\` | |
| EOF | |
| testSuite | |
| } | |
| function test2(){ | |
| echo 'Test 2: via pwd' | |
| cat <<- EOF >/tmp/1234/test.sh | |
| echo \$( cd "\$( dirname "\${BASH_SOURCE[0]}" )" && pwd ) | |
| EOF | |
| testSuite | |
| } | |
| function test3(){ | |
| echo 'Test 3: overcomplicated stackoverflow solution' | |
| cat <<- EOF >/tmp/1234/test.sh | |
| SOURCE="\${BASH_SOURCE[0]}" | |
| while [ -h "\$SOURCE" ]; do | |
| DIR="\$( cd -P "\$( dirname "\$SOURCE" )" && pwd )" | |
| SOURCE="\$(readlink "\$SOURCE" 2> /dev/null)" | |
| [[ \$SOURCE != /* ]] && SOURCE="\$DIR/\$SOURCE" | |
| done | |
| DIR="\$( cd -P "\$( dirname "\$SOURCE" )" && pwd )" | |
| echo \$DIR | |
| EOF | |
| testSuite | |
| } | |
| function test4(){ | |
| echo 'Test 4: via readlink' | |
| cat <<- EOF >/tmp/1234/test.sh | |
| echo \`dirname \$(readlink -f \$0 2> /dev/null)\` | |
| EOF | |
| testSuite | |
| } | |
| function test5(){ | |
| echo 'Test 5: via readlink with space' | |
| cat <<- EOF >/tmp/1234/test.sh | |
| echo \`dirname \$(readlink -f "\$0" 2> /dev/null)\` | |
| EOF | |
| testSuite | |
| } | |
| function test6(){ | |
| echo 'Test 6: as Test 2 but with cd -P'; | |
| cat <<- EOF >/tmp/1234/test.sh | |
| echo \$( cd -P "\$( dirname "\${BASH_SOURCE[0]}" )" && pwd ) | |
| EOF | |
| testSuite | |
| } | |
| function test7(){ | |
| echo 'Test 7: via cd -P and pwd, testing for symlinked file first'; | |
| cat <<- EOF >/tmp/1234/test.sh | |
| __SOURCE__="\${BASH_SOURCE[0]}" | |
| while [[ -h "\${__SOURCE__}" ]]; do | |
| # shellcheck disable=SC1117 | |
| __SOURCE__=\$(find "\${__SOURCE__}" -type l -ls | sed -n 's/^.* -> \(.*\)/\1/p'); | |
| done; | |
| echo \$(cd -P "\$( dirname "\${__SOURCE__}" )" && pwd) | |
| EOF | |
| testSuite | |
| } | |
| echo; | |
| teardown; # sanity check (in case last run was interrupted) | |
| setup; | |
| if [ "$1" != "" ]; then | |
| $1; | |
| else | |
| test1 | |
| test2 | |
| test3 | |
| test4 | |
| test5 | |
| test6 | |
| test7 | |
| fi | |
| teardown; |
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