forked from lix-project/lix
68c81c7375
I think it is bad for these reasons when `tests/` contains a mix of functional and integration tests - Concepts is harder to understand, the documentation makes a good unit vs functional vs integration distinction, but when the integration tests are just two subdirs within `tests/` this is not clear. - Source filtering in the `flake.nix` is more complex. We need to filter out some of the dirs from `tests/`, rather than simply pick the dirs we want and take all of them. This is a good sign the structure of what we are trying to do is not matching the structure of the files. With this change we have a clean: ```shell-session $ git show 'HEAD:tests' tree HEAD:tests functional/ installer/ nixos/ ```
86 lines
1.9 KiB
Bash
86 lines
1.9 KiB
Bash
# Test the functions for testing themselves!
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# Also test some assumptions on how bash works that they rely on.
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source common.sh
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# `true` should exit with 0
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expect 0 true
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# `false` should exit with 1
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expect 1 false
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# `expect` will fail when we get it wrong
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expect 1 expect 0 false
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noisyTrue () {
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echo YAY! >&2
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true
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}
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noisyFalse () {
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echo NAY! >&2
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false
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}
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# These should redirect standard error to standard output
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expectStderr 0 noisyTrue | grepQuiet YAY
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expectStderr 1 noisyFalse | grepQuiet NAY
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# `set -o pipefile` is enabled
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pipefailure () {
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# shellcheck disable=SC2216
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true | false | true
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}
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expect 1 pipefailure
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unset pipefailure
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pipefailure () {
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# shellcheck disable=SC2216
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false | true | true
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}
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expect 1 pipefailure
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unset pipefailure
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commandSubstitutionPipeFailure () {
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# shellcheck disable=SC2216
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res=$(set -eu -o pipefail; false | true | echo 0)
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}
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expect 1 commandSubstitutionPipeFailure
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# `set -u` is enabled
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# note (...), making function use subshell, as unbound variable errors
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# in the outer shell are *rightly* not recoverable.
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useUnbound () (
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set -eu
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# shellcheck disable=SC2154
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echo "$thisVariableIsNotBound"
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)
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expect 1 useUnbound
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# ! alone unfortunately negates `set -e`, but it works in functions:
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# shellcheck disable=SC2251
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! true
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funBang () {
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! true
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}
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expect 1 funBang
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unset funBang
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# `grep -v -q` is not what we want for exit codes, but `grepInverse` is
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# Avoid `grep -v -q`. The following line proves the point, and if it fails,
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# we'll know that `grep` had a breaking change or `-v -q` may not be portable.
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{ echo foo; echo bar; } | grep -v -q foo
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{ echo foo; echo bar; } | expect 1 grepInverse foo
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# `grepQuiet` is quiet
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res=$(set -eu -o pipefail; echo foo | grepQuiet foo | wc -c)
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(( res == 0 ))
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unset res
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# `greqQietInverse` is both
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{ echo foo; echo bar; } | expect 1 grepQuietInverse foo
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res=$(set -eu -o pipefail; echo foo | expect 1 grepQuietInverse foo | wc -c)
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(( res == 0 ))
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unset res
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