diff options
Diffstat (limited to 't/test-lib-functions.sh')
| -rw-r--r-- | t/test-lib-functions.sh | 155 |
1 files changed, 123 insertions, 32 deletions
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index cf7b41f66d..c64e5a5025 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -145,6 +145,14 @@ test_pause () { fi } +# Wrap git in gdb. Adding this to a command can make it easier to +# understand what is going on in a failing test. +# +# Example: "debug git checkout master". +debug () { + GIT_TEST_GDB=1 "$@" +} + # Call test_commit with the arguments "<message> [<file> [<contents> [<tag>]]]" # # This will commit a file with the given contents and the given commit @@ -201,7 +209,14 @@ test_chmod () { # Unset a configuration variable, but don't fail if it doesn't exist. test_unconfig () { - git config --unset-all "$@" + config_dir= + if test "$1" = -C + then + shift + config_dir=$1 + shift + fi + git ${config_dir:+-C "$config_dir"} config --unset-all "$@" config_status=$? case "$config_status" in 5) # ok, nothing to unset @@ -213,8 +228,15 @@ test_unconfig () { # Set git config, automatically unsetting it after the test is over. test_config () { - test_when_finished "test_unconfig '$1'" && - git config "$@" + config_dir= + if test "$1" = -C + then + shift + config_dir=$1 + shift + fi + test_when_finished "test_unconfig ${config_dir:+-C '$config_dir'} '$1'" && + git ${config_dir:+-C "$config_dir"} config "$@" } test_config_global () { @@ -348,11 +370,18 @@ test_declared_prereq () { return 1 } +test_verify_prereq () { + test -z "$test_prereq" || + expr >/dev/null "$test_prereq" : '[A-Z0-9_,!]*$' || + error "bug in the test script: '$test_prereq' does not look like a prereq" +} + test_expect_failure () { test_start_ test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq= test "$#" = 2 || error "bug in the test script: not 2 or 3 parameters to test-expect-failure" + test_verify_prereq export test_prereq if ! test_skip "$@" then @@ -372,6 +401,7 @@ test_expect_success () { test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq= test "$#" = 2 || error "bug in the test script: not 2 or 3 parameters to test-expect-success" + test_verify_prereq export test_prereq if ! test_skip "$@" then @@ -400,6 +430,7 @@ test_external () { error >&5 "bug in the test script: not 3 or 4 parameters to test_external" descr="$1" shift + test_verify_prereq export test_prereq if ! test_skip "$descr" "$@" then @@ -413,7 +444,7 @@ test_external () { # test_run_, but keep its stdout on our stdout even in # non-verbose mode. "$@" 2>&4 - if [ "$?" = 0 ] + if test "$?" = 0 then if test $test_external_has_tap -eq 0; then test_ok_ "$descr" @@ -440,11 +471,12 @@ test_external_without_stderr () { tmp=${TMPDIR:-/tmp} stderr="$tmp/git-external-stderr.$$.tmp" test_external "$@" 4> "$stderr" - [ -f "$stderr" ] || error "Internal error: $stderr disappeared." + test -f "$stderr" || error "Internal error: $stderr disappeared." descr="no stderr: $1" shift say >&3 "# expecting no stderr from previous command" - if [ ! -s "$stderr" ]; then + if test ! -s "$stderr" + then rm "$stderr" if test $test_external_has_tap -eq 0; then @@ -454,8 +486,9 @@ test_external_without_stderr () { test_success=$(($test_success + 1)) fi else - if [ "$verbose" = t ]; then - output=`echo; echo "# Stderr is:"; cat "$stderr"` + if test "$verbose" = t + then + output=$(echo; echo "# Stderr is:"; cat "$stderr") else output= fi @@ -474,27 +507,39 @@ test_external_without_stderr () { # The commands test the existence or non-existence of $1. $2 can be # given to provide a more precise diagnosis. test_path_is_file () { - if ! [ -f "$1" ] + if ! test -f "$1" then - echo "File $1 doesn't exist. $*" + echo "File $1 doesn't exist. $2" false fi } test_path_is_dir () { - if ! [ -d "$1" ] + if ! test -d "$1" then - echo "Directory $1 doesn't exist. $*" + echo "Directory $1 doesn't exist. $2" false fi } +# Check if the directory exists and is empty as expected, barf otherwise. +test_dir_is_empty () { + test_path_is_dir "$1" && + if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')" + then + echo "Directory '$1' is not empty, it contains:" + ls -la "$1" + return 1 + fi +} + test_path_is_missing () { - if [ -e "$1" ] + if test -e "$1" then echo "Path exists:" ls -ld "$1" - if [ $# -ge 1 ]; then + if test $# -ge 1 + then echo "$*" fi false @@ -524,6 +569,21 @@ test_line_count () { fi } +# Returns success if a comma separated string of keywords ($1) contains a +# given keyword ($2). +# Examples: +# `list_contains "foo,bar" bar` returns 0 +# `list_contains "foo" bar` returns 1 + +list_contains () { + case ",$1," in + *,$2,*) + return 0 + ;; + esac + return 1 +} + # This is not among top-level (test_expect_success | test_expect_failure) # but is a prefix that can be used in the test script, like: # @@ -537,18 +597,34 @@ test_line_count () { # the failure could be due to a segv. We want a controlled failure. test_must_fail () { + case "$1" in + ok=*) + _test_ok=${1#ok=} + shift + ;; + *) + _test_ok= + ;; + esac "$@" exit_code=$? - if test $exit_code = 0; then + if test $exit_code -eq 0 && ! list_contains "$_test_ok" success + then echo >&2 "test_must_fail: command succeeded: $*" return 1 - elif test $exit_code -gt 129 -a $exit_code -le 192; then + elif test $exit_code -eq 141 && list_contains "$_test_ok" sigpipe + then + return 0 + elif test $exit_code -gt 129 && test $exit_code -le 192 + then echo >&2 "test_must_fail: died by signal: $*" return 1 - elif test $exit_code = 127; then + elif test $exit_code -eq 127 + then echo >&2 "test_must_fail: command not found: $*" return 1 - elif test $exit_code = 126; then + elif test $exit_code -eq 126 + then echo >&2 "test_must_fail: valgrind error: $*" return 1 fi @@ -567,16 +643,7 @@ test_must_fail () { # because we want to notice if it fails due to segv. test_might_fail () { - "$@" - exit_code=$? - if test $exit_code -gt 129 -a $exit_code -le 192; then - echo >&2 "test_might_fail: died by signal: $*" - return 1 - elif test $exit_code = 127; then - echo >&2 "test_might_fail: command not found: $*" - return 1 - fi - return 0 + test_must_fail ok=success "$@" } # Similar to test_must_fail and test_might_fail, but check that a @@ -623,6 +690,15 @@ test_cmp_bin() { cmp "$@" } +# Call any command "$@" but be more verbose about its +# failure. This is handy for commands like "test" which do +# not output anything when they fail. +verbose () { + "$@" && return 0 + echo >&2 "command failed: $(git rev-parse --sq-quote "$@")" + return 1 +} + # Check if the file expected to be empty is indeed empty, and barfs # otherwise. @@ -646,9 +722,12 @@ test_cmp_rev () { # similar to GNU seq(1), but the latter might not be available # everywhere (and does not do letters). It may be used like: # -# for i in `test_seq 100`; do -# for j in `test_seq 10 20`; do -# for k in `test_seq a z`; do +# for i in $(test_seq 100) +# do +# for j in $(test_seq 10 20) +# do +# for k in $(test_seq a z) +# do # echo $i-$j-$k # done # done @@ -687,6 +766,11 @@ test_seq () { # what went wrong. test_when_finished () { + # We cannot detect when we are in a subshell in general, but by + # doing so on Bash is better than nothing (the test will + # silently pass on other shells). + test "${BASH_SUBSHELL-0}" = 0 || + error "bug in test script: test_when_finished does nothing in a subshell" test_cleanup="{ $* } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup" } @@ -719,10 +803,17 @@ test_ln_s_add () { else printf '%s' "$1" >"$2" && ln_s_obj=$(git hash-object -w "$2") && - git update-index --add --cacheinfo 120000 $ln_s_obj "$2" + git update-index --add --cacheinfo 120000 $ln_s_obj "$2" && + # pick up stat info from the file + git update-index "$2" fi } +# This function writes out its parameters, one per line +test_write_lines () { + printf "%s\n" "$@" +} + perl () { command "$PERL_PATH" "$@" } |