| 1 | # Library to turn a shell file into a "BYO test server"
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| 2 | #
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| 3 | # Usage:
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| 4 | #
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| 5 | # # from both bash and OSH
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| 6 | # if test -z "$LIB_OSH"; then LIB_OSH=stdlib/osh; fi
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| 7 | # source $LIB_OSH/byo-server-lib.sh
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| 8 | #
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| 9 | # The client creates a clean process state and directory state for each tests.
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| 10 | #
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| 11 | # (This file requires compgen -A, and maybe declare -f, so it's not POSIX
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| 12 | # shell.)
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| 13 |
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| 14 | # TODO: How do I get stdlib/two.sh
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| 15 | log() {
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| 16 | echo "$@" >& 2
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| 17 | }
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| 18 |
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| 19 | die() {
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| 20 | log "$0: fatal: $@"
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| 21 | exit 1
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| 22 | }
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| 23 |
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| 24 | byo-maybe-run() {
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| 25 | local command=${BYO_COMMAND:-}
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| 26 |
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| 27 | case $command in
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| 28 | '')
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| 29 | # Do nothing if it's not specified
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| 30 | return
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| 31 | ;;
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| 32 |
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| 33 | detect)
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| 34 | # all the commands supported, except 'detect'
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| 35 | echo list-tests
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| 36 | echo run-test
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| 37 |
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| 38 | exit 66 # ASCII code for 'B' - what the protocol specifies
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| 39 | ;;
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| 40 |
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| 41 | list-tests)
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| 42 | # bash extension that OSH also implements
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| 43 | compgen -A function | grep '^test-'
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| 44 | exit 0
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| 45 | ;;
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| 46 |
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| 47 | run-test)
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| 48 | local test_name=${BYO_ARG:-}
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| 49 | if test -z "$test_name"; then
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| 50 | die "BYO run-test: Expected BYO_ARG"
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| 51 | fi
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| 52 |
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| 53 | # Shell convention: we name functions test-*
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| 54 | $test_name
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| 55 |
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| 56 | # Only run if not set -e. Either way it's equivalent
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| 57 | exit $?
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| 58 | ;;
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| 59 |
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| 60 | *)
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| 61 | die "Invalid BYO command '$command'"
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| 62 | ;;
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| 63 | esac
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| 64 |
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| 65 | # Do nothing if BYO_COMMAND is not set.
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| 66 | # The program continues to its "main".
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| 67 | }
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| 68 |
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| 69 | byo-must-run() {
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| 70 | local command=${BYO_COMMAND:-}
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| 71 | if test -z "$command"; then
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| 72 | die "Expected BYO_COMMAND= in environment"
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| 73 | fi
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| 74 |
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| 75 | byo-maybe-run
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| 76 | }
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