forked from lix-project/lix
c11836126b
Use `set -u` and `set -o pipefail` to catch accidental mistakes and failures more strongly. - `set -u` catches the use of undefined variables - `set -o pipefail` catches failures (like `set -e`) earlier in the pipeline. This makes the tests a bit more robust. It is nice to read code not worrying about these spurious success paths (via uncaught) errors undermining the tests. Indeed, I caught some bugs doing this. There are a few tests where we run a command that should fail, and then search its output to make sure the failure message is one that we expect. Before, since the `grep` was the last command in the pipeline the exit code of those failing programs was silently ignored. Now with `set -o pipefail` it won't be, and we have to do something so the expected failure doesn't accidentally fail the test. To do that we use `expect` and a new `expectStderr` to check for the exact failing exit code. See the comments on each for why. `grep -q` is replaced with `grepQuiet`, see the comments on that function for why. `grep -v` when we just want the exit code is replaced with `grepInverse, see the comments on that function for why. `grep -q -v` together is, surprise surprise, replaced with `grepQuietInverse`, which is both combined. Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
52 lines
1.5 KiB
Bash
52 lines
1.5 KiB
Bash
source common.sh
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clearStore
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RESULT=$TEST_ROOT/result
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dep=$(nix-build -o $RESULT check-refs.nix -A dep)
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# test1 references dep, not itself.
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test1=$(nix-build -o $RESULT check-refs.nix -A test1)
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nix-store -q --references $test1 | grepQuietInverse $test1
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nix-store -q --references $test1 | grepQuiet $dep
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# test2 references src, not itself nor dep.
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test2=$(nix-build -o $RESULT check-refs.nix -A test2)
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nix-store -q --references $test2 | grepQuietInverse $test2
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nix-store -q --references $test2 | grepQuietInverse $dep
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nix-store -q --references $test2 | grepQuiet aux-ref
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# test3 should fail (unallowed ref).
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(! nix-build -o $RESULT check-refs.nix -A test3)
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# test4 should succeed.
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nix-build -o $RESULT check-refs.nix -A test4
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# test5 should succeed.
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nix-build -o $RESULT check-refs.nix -A test5
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# test6 should fail (unallowed self-ref).
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(! nix-build -o $RESULT check-refs.nix -A test6)
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# test7 should succeed (allowed self-ref).
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nix-build -o $RESULT check-refs.nix -A test7
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# test8 should fail (toFile depending on derivation output).
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(! nix-build -o $RESULT check-refs.nix -A test8)
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# test9 should fail (disallowed reference).
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(! nix-build -o $RESULT check-refs.nix -A test9)
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# test10 should succeed (no disallowed references).
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nix-build -o $RESULT check-refs.nix -A test10
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if isDaemonNewer 2.12pre20230103; then
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enableFeatures discard-references
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restartDaemon
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# test11 should succeed.
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test11=$(nix-build -o $RESULT check-refs.nix -A test11)
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[[ -z $(nix-store -q --references "$test11") ]]
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fi
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