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>
78 lines
2 KiB
Bash
78 lines
2 KiB
Bash
#!/usr/bin/env bash
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source common.sh
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drv=$(nix-instantiate ./content-addressed.nix -A rootCA --arg seed 1)
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nix show-derivation "$drv" --arg seed 1
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buildAttr () {
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local derivationPath=$1
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local seedValue=$2
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shift; shift
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local args=("./content-addressed.nix" "-A" "$derivationPath" --arg seed "$seedValue" "--no-out-link")
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args+=("$@")
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nix-build "${args[@]}"
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}
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testRemoteCache () {
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clearCache
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local outPath=$(buildAttr dependentNonCA 1)
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nix copy --to file://$cacheDir $outPath
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clearStore
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buildAttr dependentNonCA 1 --option substituters file://$cacheDir --no-require-sigs |& grepQuietInverse "building dependent-non-ca"
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}
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testDeterministicCA () {
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[[ $(buildAttr rootCA 1) = $(buildAttr rootCA 2) ]]
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}
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testCutoffFor () {
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local out1 out2
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out1=$(buildAttr $1 1)
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# The seed only changes the root derivation, and not it's output, so the
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# dependent derivations should only need to be built once.
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buildAttr rootCA 2
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out2=$(buildAttr $1 2 -j0)
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test "$out1" == "$out2"
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}
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testCutoff () {
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# Don't directly build dependentCA, that way we'll make sure we don't rely on
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# dependent derivations always being already built.
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#testDerivation dependentCA
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testCutoffFor transitivelyDependentCA
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testCutoffFor dependentNonCA
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testCutoffFor dependentFixedOutput
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}
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testGC () {
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nix-instantiate ./content-addressed.nix -A rootCA --arg seed 5
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nix-collect-garbage --option keep-derivations true
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clearStore
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buildAttr rootCA 1 --out-link $TEST_ROOT/rootCA
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nix-collect-garbage
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buildAttr rootCA 1 -j0
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}
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testNixCommand () {
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clearStore
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nix build --file ./content-addressed.nix --no-link
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}
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# Regression test for https://github.com/NixOS/nix/issues/4775
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testNormalization () {
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clearStore
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outPath=$(buildAttr rootCA 1)
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test "$(stat -c %Y $outPath)" -eq 1
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}
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# Disabled until we have it properly working
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# testRemoteCache
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clearStore
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testNormalization
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testDeterministicCA
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clearStore
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testCutoff
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testGC
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testNixCommand
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