| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Testing library for bash and OSH.
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| 4 | #
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| 5 | # Capture status/stdout/stderr, and sh-assert.
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| 6 |
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| 7 | source stdlib/osh/two.sh
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| 8 |
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| 9 | sh-assert() {
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| 10 | ### Must be run with errexit off
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| 11 |
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| 12 | if ! test "$@"; then
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| 13 | # old message
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| 14 | # note: it's extremely weird that we use -1 and 0, but that seems to be how
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| 15 | # bash works.
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| 16 | #die "${BASH_SOURCE[-1]}:${BASH_LINENO[0]}: sh-assertn '$@' failed"
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| 17 |
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| 18 | die "line ${BASH_LINENO[0]}: sh-assert '$@' failed"
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| 19 | fi
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| 20 | }
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| 21 |
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| 22 | capture-command() {
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| 23 | ### capture status and stdout
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| 24 |
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| 25 | local -n out_status=$1
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| 26 | local -n out_stdout=$2
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| 27 | shift 2
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| 28 |
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| 29 | local __status
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| 30 | local __stdout
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| 31 |
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| 32 | # Tricky: turn errexit off so we can capture it, but turn it on against
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| 33 | set +o errexit
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| 34 | __stdout=$(set -o errexit; "$@")
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| 35 | __status=$?
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| 36 | set -o errexit
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| 37 |
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| 38 | out_status=$__status
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| 39 | out_stdout=$__stdout
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| 40 | }
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| 41 |
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| 42 | capture-command-2() {
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| 43 | ### capture status and stderr
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| 44 |
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| 45 | # This is almost identical to the above
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| 46 |
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| 47 | local -n out_status=$1
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| 48 | local -n out_stderr=$2
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| 49 | shift 2
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| 50 |
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| 51 | local __status
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| 52 | local __stderr
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| 53 |
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| 54 | # Tricky: turn errexit off so we can capture it, but turn it on against
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| 55 | set +o errexit
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| 56 | __stderr=$(set -o errexit; "$@" 2>&1)
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| 57 | __status=$?
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| 58 | set -o errexit
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| 59 |
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| 60 | out_status=$__status
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| 61 | out_stderr=$__stderr
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| 62 | }
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| 63 |
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| 64 | _demo-stderr() {
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| 65 | echo zzz "$@" >& 2
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| 66 | return 99
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| 67 | }
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| 68 |
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| 69 | test-capture-command() {
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| 70 | local status stdout
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| 71 | capture-command status stdout \
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| 72 | echo hi
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| 73 |
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| 74 | sh-assert 0 = "$status"
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| 75 | sh-assert 'hi' = "$stdout"
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| 76 |
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| 77 | local stderr
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| 78 | capture-command-2 status stderr \
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| 79 | _demo-stderr yyy
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| 80 |
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| 81 | #echo "stderr: [$stderr]"
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| 82 |
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| 83 | sh-assert 99 = "$status"
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| 84 | sh-assert 'zzz yyy' = "$stderr"
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| 85 |
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| 86 | capture-command status stdout \
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| 87 | _demo-stderr aaa
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| 88 |
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| 89 | #echo "stderr: [$stderr]"
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| 90 |
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| 91 | sh-assert 99 = "$status"
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| 92 | sh-assert '' = "$stdout"
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| 93 | }
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| 94 |
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| 95 | name=$(basename $0)
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| 96 | if test "$name" = 'testing.sh'; then
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| 97 | "$@"
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| 98 | fi
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| 99 |
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