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#!/usr/bin/bash bats_prefix_lines_for_tap_output() { while IFS= read -r line; do printf '# %s\n' "$line" || break # avoid feedback loop when errors are redirected into BATS_OUT (see #353) done if [[ -n "$line" ]]; then printf '# %s\n' "$line" fi } function bats_replace_filename() { local line while read -r line; do printf "%s\n" "${line//$BATS_TEST_SOURCE/$BATS_TEST_FILENAME}" done if [[ -n "$line" ]]; then printf "%s\n" "${line//$BATS_TEST_SOURCE/$BATS_TEST_FILENAME}" fi } bats_quote_code() { # <var> <code> printf -v "$1" -- "%s%s%s" "$BATS_BEGIN_CODE_QUOTE" "$2" "$BATS_END_CODE_QUOTE" } bats_check_valid_version() { if [[ ! $1 =~ [0-9]+.[0-9]+.[0-9]+ ]]; then printf "ERROR: version '%s' must be of format <major>.<minor>.<patch>!\n" "$1" >&2 exit 1 fi } # compares two versions. Return 0 when version1 < version2 bats_version_lt() { # <version1> <version2> bats_check_valid_version "$1" bats_check_valid_version "$2" local -a version1_parts version2_parts IFS=. read -ra version1_parts <<< "$1" IFS=. read -ra version2_parts <<< "$2" for i in {0..2}; do if (( version1_parts[i] < version2_parts[i] )); then return 0 elif (( version1_parts[i] > version2_parts[i] )); then return 1 fi done # if we made it this far, they are equal -> also not less then return 2 # use other failing return code to distinguish equal from gt } # ensure a minimum version of bats is running or exit with failure bats_require_minimum_version() { # <required version> local required_minimum_version=$1 if bats_version_lt "$BATS_VERSION" "$required_minimum_version"; then printf "BATS_VERSION=%s does not meet required minimum %s\n" "$BATS_VERSION" "$required_minimum_version" exit 1 fi if bats_version_lt "$BATS_GUARANTEED_MINIMUM_VERSION" "$required_minimum_version"; then BATS_GUARANTEED_MINIMUM_VERSION="$required_minimum_version" fi } bats_binary_search() { # <search-value> <array-name> if [[ $# -ne 2 ]]; then printf "ERROR: bats_binary_search requires exactly 2 arguments: <search value> <array name>\n" >&2 return 2 fi local -r search_value=$1 array_name=$2 # we'd like to test if array is set but we cannot distinguish unset from empty arrays, so we need to skip that local start=0 mid end mid_value # start is inclusive, end is exclusive ... eval "end=\${#${array_name}[@]}" # so start == end means empty search space while (( start < end )); do mid=$(( (start + end) / 2 )) eval "mid_value=\${${array_name}[$mid]}" if [[ "$mid_value" == "$search_value" ]]; then return 0 elif [[ "$mid_value" < "$search_value" ]]; then # This branch excludes equality -> +1 to skip the mid element. # This +1 also avoids endless recursion on odd sized search ranges. start=$((mid + 1)) else end=$mid fi done # did not find it -> its not there return 1 } # store the values in ascending order in result array # Intended for short lists! bats_sort() { # <result-array-name> <values to sort...> local -r result_name=$1 shift if (( $# == 0 )); then eval "$result_name=()" return 0 fi local -a sorted_array=() local -i j i=0 for (( j=1; j <= $#; ++j )); do for ((i=${#sorted_array[@]}; i >= 0; --i )); do if [[ $i -eq 0 || ${sorted_array[$((i-1))]} < ${!j} ]]; then sorted_array[$i]=${!j} break else sorted_array[$i]=${sorted_array[$((i-1))]} fi done done eval "$result_name=(\"\${sorted_array[@]}\")" } # check if all search values (must be sorted!) are in the (sorted!) array # Intended for short lists/arrays! bats_all_in() { # <sorted-array> <sorted search values...> local -r haystack_array=$1 shift local -i haystack_length # just to appease shellcheck eval "local -r haystack_length=\${#${haystack_array}[@]}" local -i haystack_index=0 # initialize only here to continue from last search position local search_value haystack_value # just to appease shellcheck for (( i=1; i <= $#; ++i )); do eval "local search_value=${!i}" for ((; haystack_index < haystack_length; ++haystack_index)); do eval "local haystack_value=\${${haystack_array}[$haystack_index]}" if [[ $haystack_value > "$search_value" ]]; then # we passed the location this value would have been at -> not found return 1 elif [[ $haystack_value == "$search_value" ]]; then continue 2 # search value found -> try the next one fi done return 1 # we ran of the end of the haystack without finding the value! done # did not return from loop above -> all search values were found return 0 } # check if any search value (must be sorted!) is in the (sorted!) array # intended for short lists/arrays bats_any_in() { # <sorted-array> <sorted search values> local -r haystack_array=$1 shift local -i haystack_length # just to appease shellcheck eval "local -r haystack_length=\${#${haystack_array}[@]}" local -i haystack_index=0 # initialize only here to continue from last search position local search_value haystack_value # just to appease shellcheck for (( i=1; i <= $#; ++i )); do eval "local search_value=${!i}" for ((; haystack_index < haystack_length; ++haystack_index)); do eval "local haystack_value=\${${haystack_array}[$haystack_index]}" if [[ $haystack_value > "$search_value" ]]; then continue 2 # search value not in array! -> try next elif [[ $haystack_value == "$search_value" ]]; then return 0 # search value found fi done done # did not return from loop above -> no search value was found return 1 } bats_trim () { # <output-variable> <string> local -r bats_trim_ltrimmed=${2#"${2%%[![:space:]]*}"} # cut off leading whitespace # shellcheck disable=SC2034 # used in eval! local -r bats_trim_trimmed=${bats_trim_ltrimmed%"${bats_trim_ltrimmed##*[![:space:]]}"} # cut off trailing whitespace eval "$1=\$bats_trim_trimmed" } # a helper function to work around unbound variable errors with ${arr[@]} on Bash 3 bats_append_arrays_as_args () { # <array...> -- <command ...> local -a trailing_args=() while (( $# > 0)) && [[ $1 != -- ]]; do local array=$1 shift if eval "(( \${#${array}[@]} > 0 ))"; then eval "trailing_args+=(\"\${${array}[@]}\")" fi done shift # remove -- separator if (( $# == 0 )); then printf "Error: append_arrays_as_args is missing a command or -- separator\n" >&2 return 1 fi if (( ${#trailing_args[@]} > 0 )); then "$@" "${trailing_args[@]}" else "$@" fi }
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