open-adventure/tests/tapview
2024-01-15 05:03:53 -05:00

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#! /bin/sh
# tapview - a TAP (Test Anything Protocol) viewer in pure POSIX shell
#
# This code is intended to be embedded in your project. The author
# grants permission for it to be distributed under the prevailing
# license of your project if you choose, provided that license is
# OSD-compliant; otherwise the following SPDX tag incorporates the
# MIT No Attribution license by reference.
#
# SPDX-FileCopyrightText: (C) Eric S. Raymond <esr@thyrsus.com>
# SPDX-License-Identifier: MIT-0
#
# A newer version may be available at https://gitlab.com/esr/tapview
# Check your last commit date for this file against the commit list
# there to see if it might be a good idea to update.
#
OK="."
FAIL="F"
SKIP="s"
TODO_NOT_OK="x"
TODO_OK="u"
LF='
'
ship_char() {
# shellcheck disable=SC2039
printf '%s' "$1" # https://www.etalabs.net/sh_tricks.html
}
ship_line() {
report="${report}${1}$LF"
}
ship_error() {
# Terminate dot display and bail out with error
if [ "${testcount}" -gt 0 ]
then
echo ""
fi
report="${report}${1}$LF"
echo "${report}"
exit 1
}
testcount=0
failcount=0
skipcount=0
todocount=0
status=0
report=""
IFS=""
ln=0
state=plaintext
# shellcheck disable=SC2086
context_get () { printenv "ctx_${1}${depth}"; }
context_set () { export "ctx_${1}${depth}=${2}"; }
context_push () {
context_set plan ""
context_set count 0
context_set test_before_plan no
context_set test_after_plan no
context_set expect ""
context_set bail no
context_set strict no
}
context_pop () {
if [ "$(context_get count)" -gt 0 ] && [ -z "$(context_get plan)" ]
then
ship_line "Missing a plan at line ${ln}."
status=1
elif [ "$(context_get test_before_plan)" = "yes" ] && [ "$(context_get test_after_plan)" = "yes" ]
then
ship_line "A plan line may only be placed before or after all tests."
status=1
elif [ "$(context_get plan)" != "" ] && [ "$(context_get expect)" -gt "$(context_get count)" ]
then
ship_line "Expected $(context_get expect) tests but only ${testcount} ran."
status=1
elif [ "$(context_get plan)" != "" ] && [ "$(context_get expect)" -lt "$(context_get count)" ]
then
ship_line "${testcount} ran but $(context_get expect) expected."
status=1
fi
}
depth=0
context_push
while read -r line
do
ln=$((ln + 1))
# Process bailout
if expr "$line" : "Bail out!" >/dev/null
then
ship_line "$line"
status=2
break
fi
# Use the current indent to choose a scope level
indent=$(expr "$line" : '[ ]*')
if [ "${indent}" -lt "${depth}" ]
then
context_pop
depth="${indent}"
elif [ "${indent}" -gt "${depth}" ]
then
depth="${indent}"
context_push
fi
# Process a plan line
if expr "$line" : '[ ]*1\.\.[0-9][0-9]*' >/dev/null
then
if [ "$(context_get plan)" != "" ]
then
ship_error "tapview: cannot have more than one plan line."
fi
if expr "$line" : ".* *SKIP" >/dev/null || expr "$line" : ".* *skip" >/dev/null
then
ship_line "$line"
echo "${report}"
exit 1 # Not specified in the standard whether this should exit 1 or 0
fi
context_set plan "${line}"
context_set expect "$(expr "$line" : '[ ]*1\.\.\([0-9][0-9]*\)')"
continue
elif expr "$line" : '[ ]*[0-9][0-9]*\.\.[0-9][0-9]*' >/dev/null
then
echo "Ill-formed plan line at ${ln}"
exit 1
fi
# Check for out-of-order test point numbers with the sequence (TAP 14)
testpoint=$(expr "$line" : '.*ok *\([0-9][0-9]*\)')
if [ "${testpoint}" != "" ] && [ "$(context_get expect)" != "" ] && [ "${testpoint}" -gt "$(context_get expect)" ]
then
ship_error "tapview: testpoint number ${testpoint} is out of range for plan $(context_get plan)."
fi
# Process an ok line
if expr "$line" : "[ ]*ok" >/dev/null
then
context_set count $(($(context_get count) + 1))
testcount=$((testcount + 1))
if [ "$(context_get plan)" = "" ]
then
context_set test_before_plan yes
else
context_set test_after_plan yes
fi
if expr "$line" : "[^#]* # *TODO" >/dev/null || expr "$line" : "[^#]* # *todo" >/dev/null
then
ship_char ${TODO_OK}
ship_line "$line"
todocount=$((todocount + 1))
if expr "$line" : "[^#]*#[^ ]" >/dev/null
then
ship_line "Suspicious comment leader at ${ln}"
fi
elif expr "$line" : "[^#]* # *SKIP" >/dev/null || expr "$line" : "[^#]* # *skip" >/dev/null
then
ship_char ${SKIP}
ship_line "$line"
skipcount=$((skipcount + 1))
if expr "$line" : "[^#]*#[^ ]" >/dev/null
then
ship_line "Suspicious comment leader at ${ln}"
fi
else
ship_char ${OK}
fi
state=plaintext
continue
fi
# Process a not-ok line
if expr "$line" : "[ ]*not ok" >/dev/null
then
context_set count $(($(context_get count) + 1))
testcount=$((testcount + 1))
if [ "$(context_get plan)" = "" ]
then
context_set test_before_plan yes
else
context_set test_after_plan yes
fi
if expr "$line" : "[^#]* # *SKIP" >/dev/null || expr "$line" : "[^#]* # *skip" >/dev/null
then
ship_char "${SKIP}"
state=plaintext
skipcount=$((skipcount + 1))
if expr "$line" : "[^#]* #[^ ]" >/dev/null
then
ship_line "Suspicious comment leader at lime ${ln}"
fi
continue
fi
if expr "$line" : "[^#]* # *TODO" >/dev/null || expr "$line" : "[^#]* # *todo" >/dev/null
then
ship_char ${TODO_NOT_OK}
state=plaintext
todocount=$((todocount + 1))
if expr "$line" : "[^#]* #[^ ]" >/dev/null
then
ship_line "Suspicious comment leader at line ${ln}"
fi
continue
fi
ship_char "${FAIL}"
ship_line "$line"
state=plaintext
failcount=$((failcount + 1))
status=1
if [ "$(context_get bail)" = yes ]
then
ship_line "Bailing out on line ${ln} due to +bail pragma."
break
fi
continue
fi
# Process a TAP 14 pragma
if expr "$line" : "pragma" >/dev/null
then
unset IFS
# shellcheck disable=SC2086
set -- $line
case "$2" in
+bail) context_set bail yes;;
-bail) context_set bail yes;;
+strict) context_set strict yes;;
-strict) context_set strict yes;;
*) ship_line "Pragma '$line' ignored";;
esac
IFS=""
continue
fi
# shellcheck disable=SC2166
if [ "${state}" = "yaml" ]
then
ship_line "$line"
if expr "$line" : '[ ]*\.\.\.' >/dev/null
then
state=plaintext
else
continue
fi
elif expr "$line" : "[ ]*---" >/dev/null
then
ship_line "$line"
state=yaml
continue
fi
# Ignore blank lines and comments
if [ -z "$line" ] || expr "$line" : '[ ]+$' >/dev/null || expr "$line" : "#" >/dev/null
then
continue
fi
# Any line that is not a valid plan, test result, pragma,
# or comment lands here.
if [ "$(context_get strict)" = yes ]
then
ship_line "Bailing out on line ${ln} due to +strict pragma"
status=1
break
fi
done
/bin/echo ""
depth=0
context_pop
report="${report}${testcount} tests, ${failcount} failures"
if [ "$todocount" != 0 ]
then
report="${report}, ${todocount} TODOs"
fi
if [ "$skipcount" != 0 ]
then
report="${report}, ${skipcount} SKIPs"
fi
echo "${report}."
exit "${status}"
# end