serval-dna/testdefs_rest.sh
Andrew Bettison dce8b378d2 Refactor routing and Swift test set-up
Add some servald config set-up functions to 'testdefs_routing.sh' and
'testdefs_swift.sh' that can be re-used in the Swift Routing API tests.

Improve some commenting on existing functions, for consistency.
2018-04-09 09:22:36 +09:30

276 lines
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# Common definitions for REST API test scripts, including manipulation of JSON.
#
# Copyright 2014 Serval Project Inc.
# Copyright 2018 Flinders University
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Setup function:
# - ensure that the curl(1) and jq(1) utilities are available
setup_rest_utilities() {
setup_curl 7
setup_json
}
# Setup function:
# - configure log diagnostics that are useful for debugging REST requests
# - configure some standard REST API usernames/passwords
setup_rest_config() {
local _instance="$1"
[ -z "$_instance" ] || push_and_set_instance $_instance || return $?
executeOk_servald config \
set log.console.level debug \
set log.console.show_pid on \
set log.console.show_time on \
set debug.http_server on \
set debug.httpd on \
set api.restful.users.harry.password potter \
set api.restful.users.ron.password weasley \
set api.restful.users.hermione.password grainger
[ -z "$_instance" ] || pop_instance
return 0
}
# Setup function:
# - wait for the current instance's server to start processing REST requests
# - initialise the REST_PORT_{I} shell variable with the port number of the REST
# server running in instance {I}
# - zero the request count for the rest_request() function
wait_until_rest_server_ready() {
local _instance
case $1 in
'') _instance=$instance_name;;
+[A-Z]) _instance=${1#+};;
*) error "invalid instance arg: $1";;
esac
wait_until servald_restful_http_server_started +$_instance
local _portvar=REST_PORT_$_instance
get_servald_restful_http_server_port $_portvar +$_instance
REQUEST_COUNT=0
}
# Utility function:
# - perform a REST request to the given instance (default current instance) and
# expect a given response (default 200 OK)
rest_request() {
local _instance=$instance_name
case $1 in
+[A-Z]) _instance=${1#+}; shift;;
esac
local _portvar=REST_PORT_$_instance
local request_verb="${1?}"
local path="${2?}"
shift 2
local response_code=200
case $1 in
[0-9][0-9][0-9]) response_code=$1; shift;;
esac
local timeout=()
local auth=(--basic)
local user=(--user harry:potter)
local buffer=()
local output="response.json"
local dump_header="response.headers"
local trace="response.trace"
local output_preserve="response-$((++REQUEST_COUNT)).json"
local trace_preserve="response-$((++REQUEST_COUNT)).trace"
local form_parts=()
local data=()
local headers=()
while [ $# -ne 0 ]; do
case $1 in
--timeout=*) timeout=(--timeout="${1#*=}"); shift;;
--no-auth) auth=(); user=(); shift;;
--no-buffer) buffer=(--no-buffer); shift;;
--user=*) user=(--user "${1#*=}"); shift;;
--add-header=*) headers+=(--header "${1#*=}"); shift;;
--output=*) output="${1#*=}"; output_preserve="$output"; shift;;
--dump-header=*) dump_header="${1#*=}"; shift;;
--form-part=*) form_parts+=(--form "${1#*=}"); data=(); shift;;
--data=*) data+=(--data "${1#*=}"); form_parts=(); shift;;
*) error "unsupported option: $1";;
esac
done
executeOk "${timeout[@]}" curl \
--silent --show-error \
--write-out '%{http_code}' \
--output "$output" \
--dump-header "$dump_header" \
--trace-ascii "$trace" \
"${auth[@]}" "${user[@]}" "${buffer[@]}" \
--request "$request_verb" \
"${headers[@]}" \
"${data[@]}" "${form_parts[@]}" \
"http://$addr_localhost:${!_portvar}$path"
tfw_cat "$dump_header" "$output"
[ "$output_preserve" != "$output" ] && cp "$output" "$output_preserve"
cp "$trace" "$trace_preserve"
tfw_preserve "$output_preserve" "$trace_preserve"
assertStdoutIs "$response_code"
}
# Utility function:
# - ensure that a given version or later of the jq(1) utility is available
# - for use in setup (fixture) functions
setup_jq() {
JQ=$(type -P jq) || error "jq(1) command is not present"
local minversion="${1?}"
local ver="$("$JQ" --version 2>&1)"
case "$ver" in
jq-*)
local oIFS="$IFS"
IFS='-'
set -- $ver
IFS="$oIFS"
jqversion="$2"
;;
jq\ version\ *)
set -- $ver
jqversion="$3"
;;
*)
error "cannot parse output of jq --version: $ver"
;;
esac
tfw_cmp_version "$jqversion" "$minversion"
case $? in
0|2)
export JQ
return 0
;;
esac
error "jq(1) version $jqversion is not adequate (need $minversion or higher)"
}
# Guard function:
JQ=
jq() {
[ -x "$JQ" ] || error "missing call to setup_jq or setup_jsonin the fixture"
"$JQ" "$@"
}
# Setup function:
# - any test wishing to use the JSON utilities in this file must call this in
# its setup()
setup_json() {
setup_jq 1.3
}
assertJq() {
local json="$1"
local jqscript="$2"
assert --message="$jqscript" --dump-on-fail="$json" [ "$(jq "$jqscript" "$json")" = true ]
}
assertJqCmp() {
local opts=()
while [ $# -gt 0 ]; do
case "$1" in
--) shift; break;;
--*) opts+=("$1"); shift;;
*) break;;
esac
done
[ $# -eq 3 ] || error "invalid arguments"
local json="$1"
local jqscript="$2"
local file="$3"
jq --raw-output "$jqscript" "$json" >"$TFWTMP/jqcmp.tmp"
assert --dump-on-fail="$TFWTMP/jqcmp.tmp" --dump-on-fail="$file" "${opts[@]}" cmp "$TFWTMP/jqcmp.tmp" "$file"
}
assertJqIs() {
local opts=()
while [ $# -gt 0 ]; do
case "$1" in
--) shift; break;;
--*) opts+=("$1"); shift;;
*) break;;
esac
done
[ $# -eq 3 ] || error "invalid arguments"
local json="$1"
local jqscript="$2"
local text="$3"
local jqout="$(jq --raw-output "$jqscript" "$json")"
assert "${opts[@]}" [ "$jqout" = "$text" ]
}
assertJqGrep() {
local opts=()
while [ $# -gt 0 ]; do
case "$1" in
--) shift; break;;
--*) opts+=("$1"); shift;;
*) break;;
esac
done
[ $# -eq 3 ] || error "invalid arguments"
local json="$1"
local jqscript="$2"
local pattern="$3"
jq "$jqscript" "$json" >"$TFWTMP/jqgrep.tmp"
assertGrep "${opts[@]}" "$TFWTMP/jqgrep.tmp" "$pattern"
}
transform_list_json() {
# The following jq(1) incantation transforms a JSON array in from the
# following form (which is optimised for transmission size):
# {
# "header":[ "label1", "label2", "label3", ... ],
# "rows":[
# [ row1value1, row1value2, row1value3, ... ],
# [ row2value1, row2value2, row2value3, ... ],
# ...
# [ rowNvalue1, rowNvalue2, rowNvalue3, ... ]
# ]
# }
#
# into an array of JSON objects:
# [
# {
# "label1": row1value1,
# "label2": row1value2,
# "label3": row1value3,
# ...
# },
# {
# "label1": row2value1,
# "label2": row2value2,
# "label3": row2value3,
# ...
# },
# ...
# {
# "label1": rowNvalue1,
# "label2": rowNvalue2,
# "label3": rowNvalue3,
# ...
# }
# ]
# which is much easier to test with jq(1) expressions.
jq '
[
.header as $header |
.rows as $rows |
$rows | keys | .[] as $index |
[ $rows[$index] as $d | $d | keys | .[] as $i | {key:$header[$i], value:$d[$i]} ] |
from_entries |
.["__index"] = $index
]
' "$1" >"$2"
assert --message="$1 contains a well-formed JSON list" [ $? -eq 0 -a -s "$2" ]
}