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 nq-assert those values.
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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 | nq-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 | die "line ${BASH_LINENO[0]}: nq-assert '$@' failed"
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14 | fi
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15 | }
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16 |
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17 | nq-capture() {
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18 | ### capture status and stdout
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19 |
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20 | local -n out_status=$1
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21 | local -n out_stdout=$2
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22 | shift 2
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23 |
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24 | local __status
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25 | local __stdout
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26 |
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27 | # Tricky: turn errexit off so we can capture it, but turn it on against
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28 | set +o errexit
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29 | __stdout=$(set -o errexit; "$@")
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30 | __status=$?
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31 | set -o errexit
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32 |
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33 | out_status=$__status
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34 | out_stdout=$__stdout
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35 | }
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36 |
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37 | nq-capture-2() {
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38 | ### capture status and stderr
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39 |
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40 | # This is almost identical to the above
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41 |
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42 | local -n out_status=$1
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43 | local -n out_stderr=$2
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44 | shift 2
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45 |
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46 | local __status
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47 | local __stderr
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48 |
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49 | # Tricky: turn errexit off so we can capture it, but turn it on against
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50 | set +o errexit
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51 | __stderr=$(set -o errexit; "$@" 2>&1)
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52 | __status=$?
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53 | set -o errexit
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54 |
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55 | out_status=$__status
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56 | out_stderr=$__stderr
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57 | }
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58 |
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59 | _demo-stderr() {
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60 | echo zzz "$@" >& 2
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61 | return 99
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62 | }
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63 |
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64 | test-nq-capture() {
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65 | local status stdout
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66 | nq-capture status stdout \
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67 | echo hi
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68 |
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69 | nq-assert 0 = "$status"
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70 | nq-assert 'hi' = "$stdout"
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71 |
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72 | local stderr
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73 | nq-capture-2 status stderr \
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74 | _demo-stderr yyy
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75 |
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76 | #echo "stderr: [$stderr]"
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77 |
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78 | nq-assert 99 = "$status"
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79 | nq-assert 'zzz yyy' = "$stderr"
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80 |
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81 | nq-capture status stdout \
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82 | _demo-stderr aaa
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83 |
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84 | #echo "stderr: [$stderr]"
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85 |
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86 | nq-assert 99 = "$status"
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87 | nq-assert '' = "$stdout"
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88 | }
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89 |
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90 | name=$(basename $0)
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91 | if test "$name" = 'testing.sh'; then
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92 | "$@"
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93 | fi
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