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-rw-r--r--test/sharness.sh193
1 files changed, 153 insertions, 40 deletions
diff --git a/test/sharness.sh b/test/sharness.sh
index 1d57ce9a..ace5a5b5 100644
--- a/test/sharness.sh
+++ b/test/sharness.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+# Sharness test framework.
#
# Copyright (c) 2011-2012 Mathias Lafeldt
# Copyright (c) 2005-2012 Git project
@@ -22,10 +22,22 @@ SHARNESS_VERSION="1.0.0"
export SHARNESS_VERSION
# Public: The file extension for tests. By default, it is set to "t".
-: ${SHARNESS_TEST_EXTENSION:=t}
+: "${SHARNESS_TEST_EXTENSION:=t}"
export SHARNESS_TEST_EXTENSION
-# Reset TERM to original terminal if found, otherwise save orignal TERM
+# Public: Root directory containing tests. Tests can override this variable,
+# e.g. for testing Sharness itself.
+if test -z "$SHARNESS_TEST_DIRECTORY"
+then
+ SHARNESS_TEST_DIRECTORY=$(pwd)
+else
+ # ensure that SHARNESS_TEST_DIRECTORY is an absolute path so that it
+ # is valid even if the current working directory is changed
+ SHARNESS_TEST_DIRECTORY=$(cd "$SHARNESS_TEST_DIRECTORY" && pwd) || exit 1
+fi
+export SHARNESS_TEST_DIRECTORY
+
+# Reset TERM to original terminal if found, otherwise save original TERM
[ "x" = "x$SHARNESS_ORIG_TERM" ] &&
SHARNESS_ORIG_TERM="$TERM" ||
TERM="$SHARNESS_ORIG_TERM"
@@ -33,23 +45,45 @@ export SHARNESS_TEST_EXTENSION
export SHARNESS_ORIG_TERM
# Export SHELL_PATH
-: ${SHELL_PATH:=$SHELL}
+: "${SHELL_PATH:=$SHELL}"
export SHELL_PATH
+# if --tee was passed, write the output not only to the terminal, but
+# additionally to the file test-results/$BASENAME.out, too.
+case "$SHARNESS_TEST_TEE_STARTED, $* " in
+done,*)
+ # do not redirect again
+ ;;
+*' --tee '*|*' --verbose-log '*)
+ mkdir -p "$SHARNESS_TEST_DIRECTORY/test-results"
+ BASE="$SHARNESS_TEST_DIRECTORY/test-results/$(basename "$0" ".$SHARNESS_TEST_EXTENSION")"
+
+ # Make this filename available to the sub-process in case it is using
+ # --verbose-log.
+ SHARNESS_TEST_TEE_OUTPUT_FILE="$BASE.out"
+ export SHARNESS_TEST_TEE_OUTPUT_FILE
+
+ # Truncate before calling "tee -a" to get rid of the results
+ # from any previous runs.
+ : >"$SHARNESS_TEST_TEE_OUTPUT_FILE"
+
+ (SHARNESS_TEST_TEE_STARTED="done" ${SHELL_PATH} "$0" "$@" 2>&1;
+ echo $? >"$BASE.exit") | tee -a "$SHARNESS_TEST_TEE_OUTPUT_FILE"
+ test "$(cat "$BASE.exit")" = 0
+ exit
+ ;;
+esac
+
# For repeatability, reset the environment to a known state.
# TERM is sanitized below, after saving color control sequences.
LANG=C
LC_ALL=C
-PAGER=cat
+PAGER="cat"
TZ=UTC
EDITOR=:
export LANG LC_ALL PAGER TZ EDITOR
unset VISUAL CDPATH GREP_OPTIONS
-# Line feed
-LF='
-'
-
[ "x$TERM" != "xdumb" ] && (
[ -t 1 ] &&
tput bold >/dev/null 2>&1 &&
@@ -82,9 +116,14 @@ while test "$#" -ne 0; do
chain_lint=; shift ;;
--no-color)
color=; shift ;;
+ --tee)
+ shift ;; # was handled already
--root=*)
root=$(expr "z$1" : 'z[^=]*=\(.*\)')
shift ;;
+ --verbose-log)
+ verbose_log=t
+ shift ;;
*)
echo "error: unknown test option '$1'" >&2; exit 1 ;;
esac
@@ -109,18 +148,25 @@ if test -n "$color"; then
say_color_pass=$(tput setaf 2) # green
say_color_info=$(tput setaf 6) # cyan
say_color_reset=$(tput sgr0)
- say_color_="" # no formatting for normal text
+ say_color_raw="" # no formatting for normal text
say_color() {
test -z "$1" && test -n "$quiet" && return
- eval "say_color_color=\$say_color_$1"
+ case "$1" in
+ error) say_color_color=$say_color_error ;;
+ skip) say_color_color=$say_color_skip ;;
+ warn) say_color_color=$say_color_warn ;;
+ pass) say_color_color=$say_color_pass ;;
+ info) say_color_color=$say_color_info ;;
+ *) say_color_color=$say_color_raw ;;
+ esac
shift
- printf "%s\\n" "$say_color_color$*$say_color_reset"
+ printf '%s%s%s\n' "$say_color_color" "$*" "$say_color_reset"
}
else
say_color() {
test -z "$1" && test -n "$quiet" && return
shift
- printf "%s\n" "$*"
+ printf '%s\n' "$*"
}
fi
@@ -137,7 +183,7 @@ say() {
say_color info "$*"
}
-test -n "$test_description" || error "Test script did not set test_description."
+test -n "${test_description:-}" || error "Test script did not set test_description."
if test "$help" = "t"; then
echo "$test_description"
@@ -146,7 +192,11 @@ fi
exec 5>&1
exec 6<&0
-if test "$verbose" = "t"; then
+if test "$verbose_log" = "t"
+then
+ exec 3>>"$SHARNESS_TEST_TEE_OUTPUT_FILE" 4>&3
+elif test "$verbose" = "t"
+then
exec 4>&2 3>&1
else
exec 4>/dev/null 3>/dev/null
@@ -177,7 +227,7 @@ trap 'die' EXIT
# implicitly by specifying the prerequisite name in calls to test_expect_success
# or test_expect_failure.
#
-# $1 - Name of prerequiste (a simple word, in all capital letters by convention)
+# $1 - Name of prerequisite (a simple word, in all capital letters by convention)
#
# Examples
#
@@ -214,7 +264,7 @@ test_have_prereq() {
# prerequisites can be concatenated with ','
save_IFS=$IFS
IFS=,
- set -- $*
+ set -- $@
IFS=$save_IFS
total_prereq=0
@@ -231,7 +281,7 @@ test_have_prereq() {
negative_prereq=
esac
- total_prereq=$(($total_prereq + 1))
+ total_prereq=$((total_prereq + 1))
case "$satisfied_prereq" in
*" $prerequisite "*)
satisfied_this_prereq=t
@@ -242,7 +292,7 @@ test_have_prereq() {
case "$satisfied_this_prereq,$negative_prereq" in
t,|,t)
- ok_prereq=$(($ok_prereq + 1))
+ ok_prereq=$((ok_prereq + 1))
;;
*)
# Keep a list of missing prerequisites; restore
@@ -263,12 +313,12 @@ test_have_prereq() {
# the text_expect_* functions instead.
test_ok_() {
- test_success=$(($test_success + 1))
- say_color "" "ok $test_count - $@"
+ test_success=$((test_success + 1))
+ say_color "" "ok $test_count - $*"
}
test_failure_() {
- test_failure=$(($test_failure + 1))
+ test_failure=$((test_failure + 1))
say_color error "not ok $test_count - $1"
shift
echo "$@" | sed -e 's/^/# /'
@@ -276,13 +326,13 @@ test_failure_() {
}
test_known_broken_ok_() {
- test_fixed=$(($test_fixed + 1))
- say_color error "ok $test_count - $@ # TODO known breakage vanished"
+ test_fixed=$((test_fixed + 1))
+ say_color error "ok $test_count - $* # TODO known breakage vanished"
}
test_known_broken_failure_() {
- test_broken=$(($test_broken + 1))
- say_color warn "not ok $test_count - $@ # TODO known breakage"
+ test_broken=$((test_broken + 1))
+ say_color warn "not ok $test_count - $* # TODO known breakage"
}
# Public: Execute commands in debug mode.
@@ -351,7 +401,7 @@ test_run_() {
}
test_skip_() {
- test_count=$(($test_count + 1))
+ test_count=$((test_count + 1))
to_skip=
for skp in $SKIP_TESTS; do
case $this_test.$test_count in
@@ -370,7 +420,7 @@ test_skip_() {
of_prereq=" of $test_prereq"
fi
- say_color skip >&3 "skipping test: $@"
+ say_color skip >&3 "skipping test: $*"
say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
: true
;;
@@ -468,6 +518,44 @@ test_expect_failure() {
echo >&3 ""
}
+# Public: Run test commands and expect anything from them. Used when a
+# test is not stable or not finished for some reason.
+#
+# When the test passed, an "ok" message is printed, but the number of
+# fixed tests is not incremented.
+#
+# When it failed, a "not ok ... # TODO known breakage" message is
+# printed, and the number of tests still broken is incremented.
+#
+# Failures from these tests won't cause --immediate to stop.
+#
+# Usually takes two arguments:
+# $1 - Test description
+# $2 - Commands to be executed.
+#
+# With three arguments, the first will be taken to be a prerequisite:
+# $1 - Comma-separated list of test prerequisites. The test will be skipped if
+# not all of the given prerequisites are set. To negate a prerequisite,
+# put a "!" in front of it.
+# $2 - Test description
+# $3 - Commands to be executed.
+#
+# Returns nothing.
+test_expect_unstable() {
+ test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
+ test "$#" = 2 || error "bug in the test script: not 2 or 3 parameters to test_expect_unstable"
+ export test_prereq
+ if ! test_skip_ "$@"; then
+ say >&3 "checking unstable test: $2"
+ if test_run_ "$2" unstable; then
+ test_ok_ "$1"
+ else
+ test_known_broken_failure_ "$1"
+ fi
+ fi
+ echo >&3 ""
+}
+
# Public: Run command and ensure that it fails in a controlled way.
#
# Use it instead of "! <command>". For example, when <command> dies due to a
@@ -560,7 +648,7 @@ test_expect_code() {
shift
"$@"
exit_code=$?
- if test $exit_code = $want_code; then
+ if test "$exit_code" = "$want_code"; then
return 0
fi
@@ -570,7 +658,7 @@ test_expect_code() {
# Public: Compare two files to see if expected output matches actual output.
#
-# The TEST_CMP variable defines the command used for the comparision; it
+# The TEST_CMP variable defines the command used for the comparison; it
# defaults to "diff -u". Only when the test script was started with --verbose,
# will the command's output, the diff, be printed to the standard output.
#
@@ -617,14 +705,14 @@ test_seq() {
while test "$i" -le "$j"
do
echo "$i" || return
- i=$(expr "$i" + 1)
+ i=$(("$i" + 1))
done
}
# Public: Check if the file expected to be empty is indeed empty, and barfs
# otherwise.
#
-# $1 - File to check for emptyness.
+# $1 - File to check for emptiness.
#
# Returns 0 if file is empty, 1 otherwise.
test_must_be_empty() {
@@ -636,6 +724,36 @@ test_must_be_empty() {
fi
}
+# debugging-friendly alternatives to "test [-f|-d|-e]"
+# 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 ! test -f "$1"
+ then
+ echo "File $1 doesn't exist. $2"
+ false
+ fi
+}
+
+test_path_is_dir () {
+ if ! test -d "$1"
+ then
+ 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 "$1" &&
+ if test -n "$(find "$1" -mindepth 1 -maxdepth 1)"
+ then
+ echo "Directory '$1' is not empty, it contains:"
+ ls -la "$1"
+ return 1
+ fi
+}
+
# Public: Schedule cleanup commands to be run unconditionally at the end of a
# test.
#
@@ -723,7 +841,7 @@ test_done() {
say_color warn "# still have $test_broken known breakage(s)"
fi
if test "$test_broken" != 0 || test "$test_fixed" != 0; then
- test_remaining=$(( $test_count - $test_broken - $test_fixed ))
+ test_remaining=$((test_count - test_broken - test_fixed))
msg="remaining $test_remaining test(s)"
else
test_remaining=$test_count
@@ -760,20 +878,15 @@ test_done() {
esac
}
-# Public: Root directory containing tests. Tests can override this variable,
-# e.g. for testing Sharness itself.
-: ${SHARNESS_TEST_DIRECTORY:=$(pwd)}
-export SHARNESS_TEST_DIRECTORY
-
# Public: Source directory of test code and sharness library.
# This directory may be different from the directory in which tests are
# being run.
-: ${SHARNESS_TEST_SRCDIR:=$(cd $(dirname $0) && pwd)}
+: "${SHARNESS_TEST_SRCDIR:=$(cd "$(dirname "$0")" && pwd)}"
export SHARNESS_TEST_SRCDIR
# Public: Build directory that will be added to PATH. By default, it is set to
# the parent directory of SHARNESS_TEST_DIRECTORY.
-: ${SHARNESS_BUILD_DIRECTORY:="$SHARNESS_TEST_DIRECTORY/.."}
+: "${SHARNESS_BUILD_DIRECTORY:="$SHARNESS_TEST_DIRECTORY/.."}"
PATH="$SHARNESS_BUILD_DIRECTORY:$PATH"
export PATH SHARNESS_BUILD_DIRECTORY