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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>
81 lines
2.6 KiB
Bash
81 lines
2.6 KiB
Bash
source common.sh
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clearStore
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# Test fetching a flat file.
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hash=$(nix-hash --flat --type sha256 ./fetchurl.sh)
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outPath=$(nix-build -vvvvv --expr 'import <nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha256 $hash --no-out-link)
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cmp $outPath fetchurl.sh
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# Do not re-fetch paths already present.
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outPath2=$(nix-build -vvvvv --expr 'import <nix/fetchurl.nix>' --argstr url file:///does-not-exist/must-remain-unused/fetchurl.sh --argstr sha256 $hash --no-out-link)
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test "$outPath" == "$outPath2"
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# Now using a base-64 hash.
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clearStore
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hash=$(nix hash file --type sha512 --base64 ./fetchurl.sh)
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outPath=$(nix-build -vvvvv --expr 'import <nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha512 $hash --no-out-link)
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cmp $outPath fetchurl.sh
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# Now using an SRI hash.
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clearStore
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hash=$(nix hash file ./fetchurl.sh)
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[[ $hash =~ ^sha256- ]]
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outPath=$(nix-build -vvvvv --expr 'import <nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr hash $hash --no-out-link)
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cmp $outPath fetchurl.sh
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# Test that we can substitute from a different store dir.
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clearStore
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other_store=file://$TEST_ROOT/other_store?store=/fnord/store
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hash=$(nix hash file --type sha256 --base16 ./fetchurl.sh)
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storePath=$(nix --store $other_store store add-file ./fetchurl.sh)
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outPath=$(nix-build -vvvvv --expr 'import <nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr sha256 $hash --no-out-link --substituters $other_store)
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# Test hashed mirrors with an SRI hash.
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nix-build -vvvvv --expr 'import <nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr hash $(nix hash to-sri --type sha256 $hash) \
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--no-out-link --substituters $other_store
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# Test unpacking a NAR.
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rm -rf $TEST_ROOT/archive
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mkdir -p $TEST_ROOT/archive
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cp ./fetchurl.sh $TEST_ROOT/archive
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chmod +x $TEST_ROOT/archive/fetchurl.sh
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ln -s foo $TEST_ROOT/archive/symlink
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nar=$TEST_ROOT/archive.nar
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nix-store --dump $TEST_ROOT/archive > $nar
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hash=$(nix-hash --flat --type sha256 $nar)
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outPath=$(nix-build -vvvvv --expr 'import <nix/fetchurl.nix>' --argstr url file://$nar --argstr sha256 $hash \
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--arg unpack true --argstr name xyzzy --no-out-link)
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echo $outPath | grepQuiet 'xyzzy'
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test -x $outPath/fetchurl.sh
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test -L $outPath/symlink
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nix-store --delete $outPath
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# Test unpacking a compressed NAR.
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narxz=$TEST_ROOT/archive.nar.xz
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rm -f $narxz
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xz --keep $nar
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outPath=$(nix-build -vvvvv --expr 'import <nix/fetchurl.nix>' --argstr url file://$narxz --argstr sha256 $hash \
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--arg unpack true --argstr name xyzzy --no-out-link)
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test -x $outPath/fetchurl.sh
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test -L $outPath/symlink
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