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tests/nixos: make the tarball-flakes test better reflect real use cases

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In most real world cases, the Link header is set on the redirect, not on
the final file. This regressed in Lix earlier and while new unit tests
were added to cover it, this integration test should probably have also
caught it.

Change-Id: I2a9d8d952fff36f2c22cfd751451c2b523f7045c
This commit is contained in:
Pierre Bourdon 2024-05-30 00:22:25 +02:00
parent c55e93ca23
commit a3256a9375
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GPG key ID: 6FB80DCD84DA0F1C
1 changed files with 15 additions and 11 deletions
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26
tests/nixos/tarball-flakes.nix
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@ -5,7 +5,7 @@ let
root = pkgs.runCommand "nixpkgs-flake" {}
''
mkdir -p $out/stable
mkdir -p $out/{stable,tags}
set -x
dir=nixpkgs-${nixpkgs.shortRev}
@ -14,9 +14,13 @@ let
find $dir -print0 | xargs -0 touch -h -t ${builtins.substring 0 12 nixpkgs.lastModifiedDate}.${builtins.substring 12 2 nixpkgs.lastModifiedDate} --
tar cfz $out/stable/${nixpkgs.rev}.tar.gz $dir --hard-dereference
echo 'Redirect "/latest.tar.gz" "/stable/${nixpkgs.rev}.tar.gz"' > $out/.htaccess
echo 'Header set Link "<http://localhost/stable/${nixpkgs.rev}.tar.gz?rev=${nixpkgs.rev}&revCount=1234>; rel=\"immutable\""' > $out/stable/.htaccess
# Set the "Link" header on the redirect but not the final response to
# simulate an S3-like serving environment where the final host cannot set
# arbitrary headers.
cat >$out/tags/.htaccess <<EOF
Redirect "/tags/latest.tar.gz" "/stable/${nixpkgs.rev}.tar.gz"
Header always set Link "<http://localhost/stable/${nixpkgs.rev}.tar.gz?rev=${nixpkgs.rev}&revCount=1234>; rel=\"immutable\""
EOF
'';
in
@ -59,7 +63,7 @@ in
machine.wait_for_unit("httpd.service")
out = machine.succeed("nix flake metadata --json http://localhost/latest.tar.gz")
out = machine.succeed("nix flake metadata --json http://localhost/tags/latest.tar.gz")
print(out)
info = json.loads(out)
@ -74,14 +78,14 @@ in
assert rev_count == 1234, f"{rev_count=} != 1234"
# Check that fetching with rev/revCount/narHash succeeds.
machine.succeed("nix flake metadata --json http://localhost/latest.tar.gz?rev=" + revision)
machine.succeed("nix flake metadata --json http://localhost/latest.tar.gz?revCount=" + str(rev_count))
machine.succeed("nix flake metadata --json http://localhost/latest.tar.gz?narHash=" + info["locked"]["narHash"])
machine.succeed("nix flake metadata --json http://localhost/tags/latest.tar.gz?rev=" + revision)
machine.succeed("nix flake metadata --json http://localhost/tags/latest.tar.gz?revCount=" + str(rev_count))
machine.succeed("nix flake metadata --json http://localhost/tags/latest.tar.gz?narHash=" + info["locked"]["narHash"])
# Check that fetching fails if we provide incorrect attributes.
machine.fail("nix flake metadata --json http://localhost/latest.tar.gz?rev=493300eb13ae6fb387fbd47bf54a85915acc31c0")
machine.fail("nix flake metadata --json http://localhost/latest.tar.gz?revCount=789")
machine.fail("nix flake metadata --json http://localhost/latest.tar.gz?narHash=sha256-tbudgBSg+bHWHiHnlteNzN8TUvI80ygS9IULh4rklEw=")
machine.fail("nix flake metadata --json http://localhost/tags/latest.tar.gz?rev=493300eb13ae6fb387fbd47bf54a85915acc31c0")
machine.fail("nix flake metadata --json http://localhost/tags/latest.tar.gz?revCount=789")
machine.fail("nix flake metadata --json http://localhost/tags/latest.tar.gz?narHash=sha256-tbudgBSg+bHWHiHnlteNzN8TUvI80ygS9IULh4rklEw=")
'';
}