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Refactor the stack trace-capturing debug trap

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This commit is contained in:
Sam Stephenson 2014-06-02 19:28:31 -05:00
parent bd23c3831c
commit f193ddbe4e
1 changed files with 42 additions and 35 deletions
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51
libexec/bats-exec-test
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@ -91,20 +91,18 @@ bats_test_function() {
}
bats_capture_stack_trace() {
if [ "$BASH_SOURCE" != "$1" ]; then
BATS_STACK_TRACE=()
BATS_LINE_NUMBER="$BATS_LINE_NUMBER_"
BATS_LINE_NUMBER_="$2"
BATS_PREVIOUS_STACK_TRACE=( "${BATS_CURRENT_STACK_TRACE[@]}" )
BATS_CURRENT_STACK_TRACE=()
local test_pattern=" $BATS_TEST_NAME $BATS_TEST_SOURCE"
local setup_pattern=" setup $BATS_TEST_SOURCE"
local teardown_pattern=" teardown $BATS_TEST_SOURCE"
local index=0
local frame
local index=1
while frame="$(caller "$index")"; do
BATS_STACK_TRACE[$index]="$frame"
BATS_CURRENT_STACK_TRACE["${#BATS_CURRENT_STACK_TRACE[@]}"]="$frame"
if [[ "$frame" = *"$test_pattern" || \
"$frame" = *"$setup_pattern" || \
"$frame" = *"$teardown_pattern" ]]; then
@ -113,20 +111,22 @@ bats_capture_stack_trace() {
let index+=1
fi
done
fi
BATS_SOURCE="$(bats_frame_filename "${BATS_CURRENT_STACK_TRACE[0]}")"
BATS_LINENO="$(bats_frame_lineno "${BATS_CURRENT_STACK_TRACE[0]}")"
}
bats_print_stack_trace() {
local frame
local lineno
local index=1
local count="${#BATS_STACK_TRACE[@]}"
local line
local count="${#@}"
for frame in "${BATS_STACK_TRACE[@]}"; do
for frame in "$@"; do
lineno="$(bats_frame_lineno "$frame")"
if [ $index -eq 1 ]; then
line="$BATS_LINE_NUMBER"
echo -n "# ("
else
line="$(bats_frame_line "$frame")"
echo -n "# "
fi
@ -136,20 +136,20 @@ bats_print_stack_trace() {
fi
if [ $index -eq $count ]; then
echo "in test file $BATS_TEST_FILENAME, line $line)"
echo "in test file $BATS_TEST_FILENAME, line $lineno)"
else
local filename="$(bats_frame_filename "$frame")"
echo "in file $filename, line $line,"
echo "in file $filename, line $lineno,"
fi
let index+=1
done
}
bats_frame_line() {
bats_frame_lineno() {
local frame="$1"
local line="${frame%% *}"
echo "$line"
local lineno="${frame%% *}"
echo "$lineno"
}
bats_frame_function() {
@ -171,16 +171,23 @@ bats_frame_filename() {
fi
}
bats_debug_trap() {
if [ "$BASH_SOURCE" != "$1" ]; then
bats_capture_stack_trace
fi
}
bats_error_trap() {
BATS_ERROR_STACK_TRACE=( "${BATS_PREVIOUS_STACK_TRACE[@]}" )
trap - debug
}
bats_teardown_trap() {
trap bats_exit_trap exit
trap "bats_exit_trap" exit
if teardown >>"$BATS_OUT" 2>&1; then
BATS_TEARDOWN_COMPLETED=1
elif [ -n "$BATS_TEST_COMPLETED" ]; then
BATS_LINE_NUMBER="$BATS_LINE_NUMBER_"
BATS_ERROR_STACK_TRACE=( "${BATS_CURRENT_STACK_TRACE[@]}" )
fi
bats_exit_trap
}
@ -200,7 +207,7 @@ bats_exit_trap() {
if [ -z "$BATS_TEST_COMPLETED" ] || [ -z "$BATS_TEARDOWN_COMPLETED" ]; then
echo "not ok $BATS_TEST_NUMBER $BATS_TEST_DESCRIPTION" >&3
bats_print_stack_trace >&3
bats_print_stack_trace "${BATS_ERROR_STACK_TRACE[@]}" >&3
sed -e "s/^/# /" < "$BATS_OUT" >&3
status=1
else
@ -234,7 +241,7 @@ bats_perform_test() {
BATS_TEST_COMPLETED=""
BATS_TEARDOWN_COMPLETED=""
trap "bats_capture_stack_trace \"\$BASH_SOURCE\" \$LINENO" debug
trap "bats_debug_trap \"\$BASH_SOURCE\"" debug
trap "bats_error_trap" err
trap "bats_teardown_trap" exit
"$BATS_TEST_NAME" >>"$BATS_OUT" 2>&1
@ -259,7 +266,7 @@ BATS_OUT="${BATS_TMPNAME}.out"
bats_preprocess_source() {
BATS_TEST_SOURCE="${BATS_TMPNAME}.src"
{ tr -d '\r' < "$BATS_TEST_FILENAME"; echo; } | bats-preprocess > "$BATS_TEST_SOURCE"
trap bats_cleanup_preprocessed_source err exit
trap "bats_cleanup_preprocessed_source" err exit
trap "bats_cleanup_preprocessed_source; exit 1" int
}