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293 lines
8.5 KiB
Bash
293 lines
8.5 KiB
Bash
#! /bin/sh
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# vim:et:ft=sh:sts=2:sw=2
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#
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# shUnit2 unit tests of miscellaneous things
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#
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# Copyright 2008-2021 Kate Ward. All Rights Reserved.
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# Released under the Apache 2.0 license.
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Author: kate.ward@forestent.com (Kate Ward)
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# https://github.com/kward/shunit2
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#
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# Allow usage of legacy backticked `...` notation instead of $(...).
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# shellcheck disable=SC2006
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# Disable source following.
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# shellcheck disable=SC1090,SC1091
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# These variables will be overridden by the test helpers.
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stdoutF="${TMPDIR:-/tmp}/STDOUT"
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stderrF="${TMPDIR:-/tmp}/STDERR"
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# Load test helpers.
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. ./shunit2_test_helpers
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# Note: the test script is prefixed with '#' chars so that shUnit2 does not
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# incorrectly interpret the embedded functions as real functions.
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testUnboundVariable() {
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unittestF="${SHUNIT_TMPDIR}/unittest"
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sed 's/^#//' >"${unittestF}" <<EOF
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## Treat unset variables as an error when performing parameter expansion.
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#set -u
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#
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#boom() { x=\$1; } # This function goes boom if no parameters are passed!
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#test_boom() {
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# assertEquals 1 1
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# boom # No parameter given
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# assertEquals 0 \$?
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#}
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#SHUNIT_COLOR='none'
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#. ${TH_SHUNIT}
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EOF
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if ( exec "${SHELL:-sh}" "${unittestF}" >"${stdoutF}" 2>"${stderrF}" ); then
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fail 'expected a non-zero exit value'
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fi
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if ! grep '^ASSERT:unknown failure' "${stdoutF}" >/dev/null; then
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fail 'assert message was not generated'
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fi
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if ! grep '^Ran [0-9]* test' "${stdoutF}" >/dev/null; then
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fail 'test count message was not generated'
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fi
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if ! grep '^FAILED' "${stdoutF}" >/dev/null; then
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fail 'failure message was not generated'
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fi
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}
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# assertEquals repeats message argument.
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# https://github.com/kward/shunit2/issues/7
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testIssue7() {
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# Disable coloring so 'ASSERT:' lines can be matched correctly.
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_shunit_configureColor 'none'
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# Ignoring errors with `|| :` as we only care about the message in this test.
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( assertEquals 'Some message.' 1 2 >"${stdoutF}" 2>"${stderrF}" ) || :
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diff "${stdoutF}" - >/dev/null <<EOF
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ASSERT:Some message. expected:<1> but was:<2>
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EOF
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rtrn=$?
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assertEquals "${SHUNIT_TRUE}" "${rtrn}"
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[ "${rtrn}" -eq "${SHUNIT_TRUE}" ] || cat "${stderrF}" >&2
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}
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# Support prefixes on test output.
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# https://github.com/kward/shunit2/issues/29
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testIssue29() {
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unittestF="${SHUNIT_TMPDIR}/unittest"
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sed 's/^#//' >"${unittestF}" <<EOF
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## Support test prefixes.
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#test_assert() { assertTrue ${SHUNIT_TRUE}; }
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#SHUNIT_COLOR='none'
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#SHUNIT_TEST_PREFIX='--- '
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#. ${TH_SHUNIT}
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EOF
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( exec "${SHELL:-sh}" "${unittestF}" >"${stdoutF}" 2>"${stderrF}" )
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grep '^--- test_assert' "${stdoutF}" >/dev/null
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rtrn=$?
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assertEquals "${SHUNIT_TRUE}" "${rtrn}"
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[ "${rtrn}" -eq "${SHUNIT_TRUE}" ] || cat "${stdoutF}" >&2
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}
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# Test that certain external commands sometimes "stubbed" by users are escaped.
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testIssue54() {
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for c in mkdir rm cat chmod sed; do
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if grep "^[^#]*${c} " "${TH_SHUNIT}" | grep -qv "command ${c}"; then
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fail "external call to ${c} not protected somewhere"
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fi
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done
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# shellcheck disable=2016
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if grep '^[^#]*[^ ] *\[' "${TH_SHUNIT}" | grep -qv '${__SHUNIT_BUILTIN} \['; then
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fail 'call to [ not protected somewhere'
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fi
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# shellcheck disable=2016
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if grep '^[^#]* *\.' "${TH_SHUNIT}" | grep -qv '${__SHUNIT_BUILTIN} \.'; then
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fail 'call to . not protected somewhere'
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fi
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}
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# shUnit2 should not exit with 0 when it has syntax errors.
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# https://github.com/kward/shunit2/issues/69
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testIssue69() {
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unittestF="${SHUNIT_TMPDIR}/unittest"
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# Note: assertNull not tested as zero arguments == null, which is valid.
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for t in Equals NotEquals NotNull Same NotSame True False; do
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assert="assert${t}"
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sed 's/^#//' >"${unittestF}" <<EOF
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## Asserts with invalid argument counts should be counted as failures.
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#test_assert() { ${assert}; }
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#SHUNIT_COLOR='none'
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#. ${TH_SHUNIT}
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EOF
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# Ignoring errors with `|| :` as we only care about `FAILED` in the output.
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( exec "${SHELL:-sh}" "${unittestF}" >"${stdoutF}" 2>"${stderrF}" ) || :
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grep '^FAILED' "${stdoutF}" >/dev/null
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assertTrue "failure message for ${assert} was not generated" $?
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done
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}
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# Ensure that test fails if setup/teardown functions fail.
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testIssue77() {
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unittestF="${SHUNIT_TMPDIR}/unittest"
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for func in oneTimeSetUp setUp tearDown oneTimeTearDown; do
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sed 's/^#//' >"${unittestF}" <<EOF
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## Environment failure should end test.
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#${func}() { return ${SHUNIT_FALSE}; }
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#test_true() { assertTrue ${SHUNIT_TRUE}; }
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#SHUNIT_COLOR='none'
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#. ${TH_SHUNIT}
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EOF
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# Ignoring errors with `|| :` as we only care about `FAILED` in the output.
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( exec "${SHELL:-sh}" "${unittestF}" ) >"${stdoutF}" 2>"${stderrF}" || :
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grep '^FAILED' "${stdoutF}" >/dev/null
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assertTrue "failure of ${func}() did not end test" $?
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done
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}
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# Ensure a test failure is recorded for code containing syntax errors.
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# https://github.com/kward/shunit2/issues/84
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testIssue84() {
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unittestF="${SHUNIT_TMPDIR}/unittest"
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sed 's/^#//' >"${unittestF}" <<\EOF
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## Function with syntax error.
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#syntax_error() { ${!#3442} -334 a$@2[1]; }
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#test_syntax_error() {
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# syntax_error
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# assertTrue ${SHUNIT_TRUE}
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#}
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#SHUNIT_COLOR='none'
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#SHUNIT_TEST_PREFIX='--- '
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#. ${TH_SHUNIT}
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EOF
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# Ignoring errors with `|| :` as we only care about `FAILED` in the output.
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( exec "${SHELL:-sh}" "${unittestF}" >"${stdoutF}" 2>"${stderrF}" ) || :
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if ! grep '^FAILED' "${stdoutF}" >/dev/null; then
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fail 'failure message was not generated'
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fi
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}
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# Demonstrate that asserts are no longer executed in subshells.
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# https://github.com/kward/shunit2/issues/123
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#
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# NOTE: this test only works if the `${BASH_SUBSHELL}` variable is present.
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testIssue123() {
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if [ -z "${BASH_SUBSHELL:-}" ]; then
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# shellcheck disable=SC2016
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startSkipping 'The ${BASH_SUBSHELL} variable is unavailable in this shell.'
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fi
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# shellcheck disable=SC2016
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assertTrue 'not in subshell' '[[ ${BASH_SUBSHELL} -eq 0 ]]'
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}
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testPrepForSourcing() {
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assertEquals '/abc' "`_shunit_prepForSourcing '/abc'`"
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assertEquals './abc' "`_shunit_prepForSourcing './abc'`"
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assertEquals './abc' "`_shunit_prepForSourcing 'abc'`"
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}
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# Test the various ways of declaring functions.
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#
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# Prefixing (then stripping) with comment symbol so these functions aren't
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# treated as real functions by shUnit2.
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testExtractTestFunctions() {
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f="${SHUNIT_TMPDIR}/extract_test_functions"
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sed 's/^#//' <<EOF >"${f}"
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## Function on a single line.
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#testABC() { echo 'ABC'; }
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## Multi-line function with '{' on next line.
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#test_def()
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# {
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# echo 'def'
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#}
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## Multi-line function with '{' on first line.
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#testG3 () {
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# echo 'G3'
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#}
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## Function with numerical values in name.
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#function test4() { echo '4'; }
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## Leading space in front of function.
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# test5() { echo '5'; }
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## Function with '_' chars in name.
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#some_test_function() { echo 'some func'; }
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## Function that sets variables.
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#func_with_test_vars() {
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# testVariable=1234
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#}
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## Function with keyword but no parenthesis
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#function test6 { echo '6'; }
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## Function with keyword but no parenthesis, multi-line
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#function test7 {
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# echo '7';
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#}
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## Function with no parenthesis, '{' on next line
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#function test8
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#{
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# echo '8'
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#}
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## Function with hyphenated name
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#test-9() {
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# echo '9';
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#}
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## Function without parenthesis or keyword
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#test_foobar { echo 'hello world'; }
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## Function with multiple function keywords
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#function function test_test_test() { echo 'lorem'; }
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EOF
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actual=`_shunit_extractTestFunctions "${f}"`
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assertEquals 'testABC test_def testG3 test4 test5 test6 test7 test8 test-9' "${actual}"
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}
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testColors() {
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while read -r cmd colors desc; do
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SHUNIT_CMD_TPUT=${cmd}
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want=${colors} got=`_shunit_colors`
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assertEquals "${desc}: incorrect number of colors;" \
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"${got}" "${want}"
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done <<'EOF'
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missing_tput 16 missing tput command
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mock_tput 256 mock tput command
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EOF
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}
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testColorsWitoutTERM() {
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SHUNIT_CMD_TPUT='mock_tput'
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got=`TERM='' _shunit_colors`
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want=16
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assertEquals "${got}" "${want}"
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}
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mock_tput() {
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if [ -z "${TERM}" ]; then
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# shellcheck disable=SC2016
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echo 'tput: No value for $TERM and no -T specified'
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return 2
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fi
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if [ "$1" = 'colors' ]; then
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echo 256
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return 0
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fi
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return 1
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}
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setUp() {
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for f in "${stdoutF}" "${stderrF}"; do
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cp /dev/null "${f}"
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done
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# Reconfigure coloring as some tests override default behavior.
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_shunit_configureColor "${SHUNIT_COLOR_DEFAULT}"
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# shellcheck disable=SC2034,SC2153
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SHUNIT_CMD_TPUT=${__SHUNIT_CMD_TPUT}
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}
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oneTimeSetUp() {
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SHUNIT_COLOR_DEFAULT="${SHUNIT_COLOR}"
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th_oneTimeSetUp
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}
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# Load and run shUnit2.
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# shellcheck disable=SC2034
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[ -n "${ZSH_VERSION:-}" ] && SHUNIT_PARENT=$0
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. "${TH_SHUNIT}"
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