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#!/usr/bin/env bash
# reads (extended) bats tap streams from stdin and calls callback functions for each line
#
# Segmenting functions
# ====================
# bats_tap_stream_plan <number of tests> -> when the test plan is encountered
# bats_tap_stream_suite <file name> -> when a new file is begun WARNING: extended only
# bats_tap_stream_begin <test index> <test name> -> when a new test is begun WARNING: extended only
#
# Test result functions
# =====================
# If timing was enabled, BATS_FORMATTER_TEST_DURATION will be set to their duration in milliseconds
# bats_tap_stream_ok <test index> <test name> -> when a test was successful
# bats_tap_stream_not_ok <test index> <test name> -> when a test has failed. If the failure was due to a timeout,
# BATS_FORMATTER_TEST_TIMEOUT is set to the timeout duration in seconds
# bats_tap_stream_skipped <test index> <test name> <skip reason> -> when a test was skipped
#
# Context functions
# =================
# bats_tap_stream_comment <comment text without leading '# '> <scope> -> when a comment line was encountered,
# scope tells the last encountered of plan, begin, ok, not_ok, skipped, suite
# bats_tap_stream_unknown <full line> <scope> -> when a line is encountered that does not match the previous entries,
# scope @see bats_tap_stream_comment
# forwards all input as is, when there is no TAP test plan header
function bats_parse_internal_extended_tap() {
local header_pattern='[0-9]+\.\.[0-9]+'
IFS= read -r header
if [[ "$header" =~ $header_pattern ]]; then
bats_tap_stream_plan "${header:3}"
else
# If the first line isn't a TAP plan, print it and pass the rest through
printf '%s\n' "$header"
exec cat
fi
ok_line_regexpr="ok ([0-9]+) (.*)"
skip_line_regexpr="ok ([0-9]+) (.*) # skip( (.*))?$"
timeout_line_regexpr="not ok ([0-9]+) (.*) # timeout after ([0-9]+)s$"
not_ok_line_regexpr="not ok ([0-9]+) (.*)"
timing_expr="in ([0-9]+)ms$"
local test_name begin_index last_begin_index try_index ok_index not_ok_index index scope
begin_index=0
last_begin_index=-1
try_index=0
index=0
scope=plan
while IFS= read -r line; do
unset BATS_FORMATTER_TEST_DURATION BATS_FORMATTER_TEST_TIMEOUT
case "$line" in
'begin '*) # this might only be called in extended tap output
scope=begin
begin_index=${line#begin }
begin_index=${begin_index%% *}
if [[ $begin_index == "$last_begin_index" ]]; then
(( ++try_index ))
else
try_index=0
fi
test_name="${line#begin "$begin_index" }"
bats_tap_stream_begin "$begin_index" "$test_name"
;;
'ok '*)
((++index))
if [[ "$line" =~ $ok_line_regexpr ]]; then
ok_index="${BASH_REMATCH[1]}"
test_name="${BASH_REMATCH[2]}"
if [[ "$line" =~ $skip_line_regexpr ]]; then
scope=skipped
test_name="${BASH_REMATCH[2]}" # cut off name before "# skip"
local skip_reason="${BASH_REMATCH[4]}"
if [[ "$test_name" =~ $timing_expr ]]; then
local BATS_FORMATTER_TEST_DURATION="${BASH_REMATCH[1]}"
test_name="${test_name% in "${BATS_FORMATTER_TEST_DURATION}"ms}"
bats_tap_stream_skipped "$ok_index" "$test_name" "$skip_reason"
else
bats_tap_stream_skipped "$ok_index" "$test_name" "$skip_reason"
fi
else
scope=ok
if [[ "$line" =~ $timing_expr ]]; then
local BATS_FORMATTER_TEST_DURATION="${BASH_REMATCH[1]}"
bats_tap_stream_ok "$ok_index" "${test_name% in "${BASH_REMATCH[1]}"ms}"
else
bats_tap_stream_ok "$ok_index" "$test_name"
fi
fi
else
printf "ERROR: could not match ok line: %s" "$line" >&2
exit 1
fi
;;
'not ok '*)
((++index))
scope=not_ok
if [[ "$line" =~ $not_ok_line_regexpr ]]; then
not_ok_index="${BASH_REMATCH[1]}"
test_name="${BASH_REMATCH[2]}"
if [[ "$line" =~ $timeout_line_regexpr ]]; then
not_ok_index="${BASH_REMATCH[1]}"
test_name="${BASH_REMATCH[2]}"
# shellcheck disable=SC2034 # used in bats_tap_stream_ok
local BATS_FORMATTER_TEST_TIMEOUT="${BASH_REMATCH[3]}"
fi
if [[ "$test_name" =~ $timing_expr ]]; then
# shellcheck disable=SC2034 # used in bats_tap_stream_ok
local BATS_FORMATTER_TEST_DURATION="${BASH_REMATCH[1]}"
test_name="${test_name% in "${BASH_REMATCH[1]}"ms}"
fi
bats_tap_stream_not_ok "$not_ok_index" "$test_name"
else
printf "ERROR: could not match not ok line: %s" "$line" >&2
exit 1
fi
;;
'# '*)
bats_tap_stream_comment "${line:2}" "$scope"
;;
'#')
bats_tap_stream_comment "" "$scope"
;;
'suite '*)
scope=suite
# pass on the
bats_tap_stream_suite "${line:6}"
;;
*)
bats_tap_stream_unknown "$line" "$scope"
;;
esac
done
}
normalize_base_path() { # <target variable> <base path>
# the relative path root to use for reporting filenames
# this is mainly intended for suite mode, where this will be the suite root folder
local base_path="$2"
# use the containing directory when --base-path is a file
if [[ ! -d "$base_path" ]]; then
base_path="$(dirname "$base_path")"
fi
# get the absolute path
base_path="$(cd "$base_path" && pwd)"
# ensure the path ends with / to strip that later on
if [[ "${base_path}" != *"/" ]]; then
base_path="$base_path/"
fi
printf -v "$1" "%s" "$base_path"
}
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