OILS / stdlib / osh / byo-server-lib.sh View on Github | oilshell.org

73 lines, 42 significant
1# Library to turn a file into a "BYO test server"
2#
3# Usage:
4# source --builtin test/byo-server-lib.sh # from Oils
5# source test/byo-server-lib.sh # can be used with bash
6#
7# The client creates a clean process state and directory state for each tests.
8#
9# (It relies on compgen -A, and maybe declare -f, so it's not POSIX shell.)
10
11# TODO: How do I get stdlib/two.sh
12log() {
13 echo "$@" >& 2
14}
15
16die() {
17 log "$0: fatal: $@"
18 exit 1
19}
20
21byo-maybe-run() {
22 local command=${BYO_COMMAND:-}
23
24 case $command in
25 '')
26 # Do nothing if it's not specified
27 return
28 ;;
29
30 detect)
31 # all the commands supported, except 'detect'
32 echo list-tests
33 echo run-test
34
35 exit 66 # ASCII code for 'B' - what the protocol specifies
36 ;;
37
38 list-tests)
39 # bash extension that OSH also implements
40 compgen -A function | grep '^test-'
41 exit 0
42 ;;
43
44 run-test)
45 local test_name=${BYO_ARG:-}
46 if test -z "$test_name"; then
47 die "BYO run-test: Expected BYO_ARG"
48 fi
49
50 # Shell convention: we name functions test-*
51 $test_name
52
53 # Only run if not set -e. Either way it's equivalent
54 exit $?
55 ;;
56
57 *)
58 die "Invalid BYO command '$command'"
59 ;;
60 esac
61
62 # Do nothing if BYO_COMMAND is not set.
63 # The program continues to its "main".
64}
65
66byo-must-run() {
67 local command=${BYO_COMMAND:-}
68 if test -z "$command"; then
69 die "Expected BYO_COMMAND= in environment"
70 fi
71
72 byo-maybe-run
73}