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