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lib
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bats-core
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#!/usr/bin/bash bats_capture_stack_trace() { local test_file local funcname local i # The last entry in the stack trace is not useful when en error occured: # It is either duplicated (kinda correct) or has wrong line number (Bash < 4.4) # Therefore we capture the stacktrace but use it only after the next debug # trap fired. # Expansion is required for empty arrays which otherwise error BATS_CURRENT_STACK_TRACE=("${BATS_STACK_TRACE[@]+"${BATS_STACK_TRACE[@]}"}") BATS_STACK_TRACE=() for ((i = 2; i != ${#FUNCNAME[@]}; ++i)); do # Use BATS_TEST_SOURCE if necessary to work around Bash < 4.4 bug whereby # calling an exported function erases the test file's BASH_SOURCE entry. test_file="${BASH_SOURCE[$i]:-$BATS_TEST_SOURCE}" funcname="${FUNCNAME[$i]}" BATS_STACK_TRACE+=("${BASH_LINENO[$((i - 1))]} $funcname $test_file") case "$funcname" in "$BATS_TEST_NAME" | setup | teardown | setup_file | teardown_file) break ;; esac if [[ "${BASH_SOURCE[$i + 1]:-}" == *"bats-exec-file" ]] && [[ "$funcname" == 'source' ]]; then break fi done } bats_print_stack_trace() { local frame local index=1 local count="${#@}" local filename local lineno for frame in "$@"; do bats_frame_filename "$frame" 'filename' bats_trim_filename "$filename" 'filename' bats_frame_lineno "$frame" 'lineno' if [[ $index -eq 1 ]]; then printf '# (' else printf '# ' fi local fn bats_frame_function "$frame" 'fn' if [[ "$fn" != "$BATS_TEST_NAME" ]] && # don't print "from function `source'"", # when failing in free code during `source $test_file` from bats-exec-file ! [[ "$fn" == 'source' && $index -eq $count ]]; then printf "from function \`%s' " "$fn" fi if [[ $index -eq $count ]]; then printf 'in test file %s, line %d)\n' "$filename" "$lineno" else printf 'in file %s, line %d,\n' "$filename" "$lineno" fi ((++index)) done } bats_print_failed_command() { if [[ ${#BATS_STACK_TRACE[@]} -eq 0 ]]; then return fi local frame="${BATS_STACK_TRACE[${#BATS_STACK_TRACE[@]} - 1]}" local filename local lineno local failed_line local failed_command bats_frame_filename "$frame" 'filename' bats_frame_lineno "$frame" 'lineno' bats_extract_line "$filename" "$lineno" 'failed_line' bats_strip_string "$failed_line" 'failed_command' printf '%s' "# \`${failed_command}' " if [[ "$BATS_ERROR_STATUS" -eq 1 ]]; then printf 'failed%s\n' "$BATS_ERROR_SUFFIX" else printf 'failed with status %d%s\n' "$BATS_ERROR_STATUS" "$BATS_ERROR_SUFFIX" fi } bats_frame_lineno() { printf -v "$2" '%s' "${1%% *}" } bats_frame_function() { local __bff_function="${1#* }" printf -v "$2" '%s' "${__bff_function%% *}" } bats_frame_filename() { local __bff_filename="${1#* }" __bff_filename="${__bff_filename#* }" if [[ "$__bff_filename" == "$BATS_TEST_SOURCE" ]]; then __bff_filename="$BATS_TEST_FILENAME" fi printf -v "$2" '%s' "$__bff_filename" } bats_extract_line() { local __bats_extract_line_line local __bats_extract_line_index=0 while IFS= read -r __bats_extract_line_line; do if [[ "$((++__bats_extract_line_index))" -eq "$2" ]]; then printf -v "$3" '%s' "${__bats_extract_line_line%$'\r'}" break fi done <"$1" } bats_strip_string() { [[ "$1" =~ ^[[:space:]]*(.*)[[:space:]]*$ ]] printf -v "$2" '%s' "${BASH_REMATCH[1]}" } bats_trim_filename() { printf -v "$2" '%s' "${1#$BATS_CWD/}" } # normalize a windows path from e.g. C:/directory to /c/directory # The path must point to an existing/accessable directory, not a file! bats_normalize_windows_dir_path() { # <output-var> <path> local output_var="$1" local path="$2" if [[ $path == ?:* ]]; then NORMALIZED_INPUT="$(cd "$path" || exit 1; pwd)" else NORMALIZED_INPUT="$path" fi printf -v "$output_var" "%s" "$NORMALIZED_INPUT" } bats_emit_trace() { if [[ $BATS_TRACE_LEVEL -gt 0 ]]; then local line=${BASH_LINENO[1]} # shellcheck disable=SC2016 if [[ $BASH_COMMAND != '"$BATS_TEST_NAME" >> "$BATS_OUT" 2>&1 4>&1' && $BASH_COMMAND != "bats_test_begin "* ]] && # don't emit these internal calls [[ $BASH_COMMAND != "$BATS_LAST_BASH_COMMAND" || $line != "$BATS_LAST_BASH_LINENO" ]] && # avoid printing a function twice (at call site and at definiton site) [[ $BASH_COMMAND != "$BATS_LAST_BASH_COMMAND" || ${BASH_LINENO[2]} != "$BATS_LAST_BASH_LINENO" || ${BASH_SOURCE[3]} != "$BATS_LAST_BASH_SOURCE" ]]; then local file="${BASH_SOURCE[2]}" # index 2: skip over bats_emit_trace and bats_debug_trap if [[ $file == "${BATS_TEST_SOURCE}" ]]; then file="$BATS_TEST_FILENAME" fi local padding='$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$' if (( BATS_LAST_STACK_DEPTH != ${#BASH_LINENO[@]} )); then printf '%s [%s:%d]\n' "${padding::${#BASH_LINENO[@]}-4}" "${file##*/}" "$line" >&4 fi printf '%s %s\n' "${padding::${#BASH_LINENO[@]}-4}" "$BASH_COMMAND" >&4 BATS_LAST_BASH_COMMAND="$BASH_COMMAND" BATS_LAST_BASH_LINENO="$line" BATS_LAST_BASH_SOURCE="${BASH_SOURCE[2]}" BATS_LAST_STACK_DEPTH="${#BASH_LINENO[@]}" fi fi } bats_debug_trap() { # on windows we sometimes get a mix of paths (when install via nmp install -g) # which have C:/... or /c/... comparing them is going to be problematic. # We need to normalize them to a common format! local NORMALIZED_INPUT bats_normalize_windows_dir_path NORMALIZED_INPUT "${1%/*}" local file_excluded='' path for path in "${_BATS_DEBUG_EXCLUDE_PATHS[@]}"; do if [[ "$NORMALIZED_INPUT" == "$path"* ]]; then file_excluded=1 break fi done # don't update the trace within library functions or we get backtraces from inside traps # also don't record new stack traces while handling interruptions, to avoid overriding the interrupted command if [[ -z "$file_excluded" && "${BATS_INTERRUPTED-NOTSET}" == NOTSET ]]; then bats_capture_stack_trace bats_emit_trace fi } # For some versions of Bash, the `ERR` trap may not always fire for every # command failure, but the `EXIT` trap will. Also, some command failures may not # set `$?` properly. See #72 and #81 for details. # # For this reason, we call `bats_error_trap` at the very beginning of # `bats_teardown_trap` (the `DEBUG` trap for the call will fix the stack trace) # and check the value of `$BATS_TEST_COMPLETED` before taking other actions. # We also adjust the exit status value if needed. # # See `bats_exit_trap` for an additional EXIT error handling case when `$?` # isn't set properly during `teardown()` errors. bats_error_trap() { local status="$?" if [[ -z "$BATS_TEST_COMPLETED" ]]; then BATS_ERROR_STATUS="${BATS_ERROR_STATUS:-$status}" if [[ "$BATS_ERROR_STATUS" -eq 0 ]]; then BATS_ERROR_STATUS=1 fi BATS_STACK_TRACE=("${BATS_CURRENT_STACK_TRACE[@]}") trap - DEBUG fi } bats_add_debug_exclude_path() { # <path> if [[ -z "$1" ]]; then # don't exclude everything printf "bats_add_debug_exclude_path: Exclude path must not be empty!\n" >&2 return 1 fi if [[ "$OSTYPE" == cygwin || "$OSTYPE" == msys ]]; then bats_normalize_windows_dir_path normalized_dir "$1" _BATS_DEBUG_EXCLUDE_PATHS+=("$normalized_dir") else _BATS_DEBUG_EXCLUDE_PATHS+=("$1") fi } bats_setup_tracing() { _BATS_DEBUG_EXCLUDE_PATHS=() # exclude some paths by default bats_add_debug_exclude_path "$BATS_ROOT/lib/" bats_add_debug_exclude_path "$BATS_ROOT/libexec/" exec 4<&1 # used for tracing if [[ "${BATS_TRACE_LEVEL:-0}" -gt 0 ]]; then # avoid undefined variable errors BATS_LAST_BASH_COMMAND= BATS_LAST_BASH_LINENO= BATS_LAST_BASH_SOURCE= BATS_LAST_STACK_DEPTH= # try to exclude helper libraries if found, this is only relevant for tracing while read -r path; do bats_add_debug_exclude_path "$path" done < <(find "$PWD" -type d -name bats-assert -o -name bats-support) fi # exclude user defined libraries IFS=':' read -r exclude_paths <<< "${BATS_DEBUG_EXCLUDE_PATHS:-}" for path in "${exclude_paths[@]}"; do if [[ -n "$path" ]]; then bats_add_debug_exclude_path "$path" fi done # turn on traps after setting excludedes to avoid tracing the exclude setup trap 'bats_debug_trap "$BASH_SOURCE"' DEBUG trap 'bats_error_trap' ERR }