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|
#!/usr/bin/env bash
set -eu -o pipefail
declare -a ENV
TEMP="$(getopt --long env: -o e: -- "$@")"
eval set -- "$TEMP"
unset TEMP
while true
do
case "$1" in
'-e'|'--env')
case "$2" in
*=*)
# Use value from command-line
ENV=("${ENV[@]}" "$2")
;;
*)
# Forward variable from environment
ENV=("${ENV[@]}" "$2=${!2}")
;;
esac
shift 2
continue
;;
'--')
shift
break
;;
*)
echo Unexpected argument >&2
exit 1
;;
esac
done
#############################################################################
# Functions that implement steps.
{% for func in functions %}
#----------------------------------------------------------------------------
# This code comes from: {{ func.source }}
{{ func.code }}
{% endfor %}
#############################################################################
# Scaffolding for generated test program.
{% include "dict.sh" %}
{% include "ctx.sh" %}
{% include "cap.sh" %}
{% include "files.sh" %}
{% include "assert.sh" %}
# Remember where we started from. The step functions may need to refer
# to files there.
srcdir="$(pwd)"
echo "srcdir $srcdir"
# Create a new temporary directory and chdir there. This allows step
# functions to create new files in the current working directory
# without having to be so careful.
_datadir="$(mktemp -d)"
echo "datadir $_datadir"
cd "$_datadir"
# Store test data files that were embedded in the source document.
# Base64 encoding is used to allow arbitrary data.
files_new
{% for file in files %}
# {{ file.filename }}
filename="$(decode_base64 '{{ file.filename | base64 }}')"
contents="$(decode_base64 '{{ file.contents | base64 }}')"
files_set "$filename" "$contents"
{% endfor %}
#############################################################################
# Code to implement the scenarios.
{% for scenario in scenarios %}
######################################
# Scenario: {{ scenario.title }}
scenario_{{ loop.index }}() {
local title scendir step name text ret
declare -a cleanups
declare -a steps
declare -a cleanups_captures
declare -A captures
title="$(decode_base64 '{{ scenario.title | base64 }}')"
echo "scenario: $title"
scendir="$(mktemp -d -p "$_datadir")"
cd "$scendir"
export HOME="$scendir"
export TMPDIR="$scendir"
ctx_new
cleanups[0]=''
steps[0]=''
cleanups_captures[0]=''
ret=0
{% for step in scenario.steps %}
if [ "$ret" = 0 ]
then
# Step: {{ step.text }}
step="{{ step.kind | lower }} $(decode_base64 '{{ step.text | base64 }}')"
echo " step: $step"
cap_new
captures=()
{% for part in step.parts %}{% if part.CapturedText is defined -%}
name="$(decode_base64 '{{ part.CapturedText.name | base64 }}')"
text="$(decode_base64 '{{ part.CapturedText.text | base64 }}')"
captures["$name"]="$text"
cap_set "$name" "$text"
{% endif -%}
{% endfor -%}
if {{ step.function }}
then
cleanup='{{ step.cleanup }}'
if [ "$cleanup" != "" ]
then
{% raw %}
cleanups+=("$cleanup")
steps+=("$step")
cleanups_captures+=("${captures[*]@A}")
{% endraw %}
fi
else
ret=$?
fi
fi
{% endfor %}
{% raw %}
echo "${!cleanups[*]}" | tr ' ' '\n' | tac | while read i
do
step="${steps[$i]}"
func="${cleanups[$i]}"
eval "${cleanups_captures[$i]}"
cap_new
for name in "${!captures[@]}"
do
text="${captures["$name"]}"
cap_set "$name" "$text"
done
echo " cleanup: $step"
$func
done
{% endraw %}
return $ret
}
{% endfor %}
#############################################################################
# Make the environment minimal.
# Write to stdout the names of all environment variables, one per
# line. Handle also cases where the value of an environment variable
# contains newlines.
envnames()
{
env -0 | sed -z 's/^\([^=]\+\)=.*$/\1/' | tr '\0' '\n'
}
# Unset all environment variables. At the beginning of each scenario,
# some additional ones will be set to the per-scenario directory.
unset $(envnames)
export PATH=/bin:/usr/bin
export SHELL=/bin/sh
# Include any configured environment variables
for var in "${ENV[@]}"
do
export "$var"
done
#############################################################################
# Run the scenarios.
if [ "$#" = 0 ]
then {% for scenario in scenarios %}
scenario_{{ loop.index }}{% endfor %}
: # Avoid empty then-branch if no scenarios
else
for pattern in "$@"
do
pattern="$(echo "$pattern" | tr A-Z a-z)"
{% for scenario in scenarios %}
if echo "{{ scenario.title | lower }}" | grep -F -e "$pattern" > /dev/null
then
scenario_{{ loop.index }}
fi
{% endfor %}
done
fi
#############################################################################
# Clean up temporary directory and report success.
rm -rf "$_datadir"
echo "OK, all scenarios finished successfully"
|
