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Test the fake derivations channel, asserting nested packages are properly represented.

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This is a breaking change. Previously, packages named `packageset.foo`
would be exposed in the fake derivation channel as `packageset-foo`.

Presumably this was done to avoid needing to track attribute sets, and
to avoid the complexity. I think this now correctly handles the
complexity and properly mirrors the input expressions layout.
This commit is contained in:
Graham Christensen 2021-03-17 11:20:19 -04:00
parent 88e0198a8e
commit 019aef3d41
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GPG key ID: FE918C3A98C1030F
3 changed files with 109 additions and 5 deletions
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16
src/lib/Hydra/View/NixExprs.pm
View file

@ -4,10 +4,11 @@ use strict;
use base qw/Catalyst::View/;
use Hydra::Helper::Nix;
use Hydra::Helper::Escape;
use Hydra::Helper::AttributeSet;
use Archive::Tar;
use IO::Compress::Bzip2 qw(bzip2);
use Encode;
use Data::Dumper;
sub process {
@ -56,14 +57,15 @@ EOF
foreach my $system (keys %perSystem) {
$res .= "else " if !$first;
$res .= "if system == ${\escapeString $system} then {\n\n";
my $attrsets = Hydra::Helper::AttributeSet->new();
foreach my $job (keys %{$perSystem{$system}}) {
my $pkg = $perSystem{$system}->{$job};
my $build = $pkg->{build};
$res .= " # Hydra build ${\$build->id}\n";
my $attr = $build->get_column('job');
$attr =~ s/\./-/g;
$res .= " ${\escapeString $attr} = (mkFakeDerivation {\n";
$attrsets->registerValue($attr);
$res .= " # Hydra build ${\$build->id}\n";
$res .= " ${\escapeAttributePath $attr} = (mkFakeDerivation {\n";
$res .= " type = \"derivation\";\n";
$res .= " name = ${\escapeString ($build->get_column('releasename') or $build->nixname)};\n";
$res .= " system = ${\escapeString $build->system};\n";
@ -82,6 +84,10 @@ EOF
$res .= " }).$out;\n\n";
}
for my $attrset ($attrsets->enumerate()) {
$res .= " ${\escapeAttributePath $attrset}.recurseForDerivations = true;\n\n";
}
$res .= "}\n\n";
$first = 0;
}

62
t/Controller/Jobset/channel.t Normal file
View file

@ -0,0 +1,62 @@
use feature 'unicode_strings';
use strict;
use Setup;
use IO::Uncompress::Bunzip2 qw(bunzip2);
use Archive::Tar;
use JSON qw(decode_json);
use Data::Dumper;
my %ctx = test_init();
require Hydra::Schema;
require Hydra::Model::DB;
require Hydra::Helper::Nix;
use Test2::V0;
require Catalyst::Test;
Catalyst::Test->import('Hydra');
my $db = Hydra::Model::DB->new;
hydra_setup($db);
my $project = $db->resultset('Projects')->create({name => "tests", displayname => "", owner => "root"});
# Most basic test case, no parameters
my $jobset = createBaseJobset("nested-attributes", "nested-attributes.nix", $ctx{jobsdir});
ok(evalSucceeds($jobset));
is(nrQueuedBuildsForJobset($jobset), 4);
for my $build (queuedBuildsForJobset($jobset)) {
ok(runBuild($build), "Build '".$build->job."' should exit with code 0");
my $newbuild = $db->resultset('Builds')->find($build->id);
is($newbuild->finished, 1, "Build '".$build->job."' should be finished.");
is($newbuild->buildstatus, 0, "Build '".$build->job."' should have buildstatus 0.");
}
my $compressed = get('/jobset/tests/nested-attributes/channel/latest/nixexprs.tar.bz2');
my $tarcontent;
bunzip2(\$compressed => \$tarcontent);
open(my $tarfh, "<", \$tarcontent);
my $tar = Archive::Tar->new($tarfh);
my $defaultnix = $ctx{"tmpdir"} . "/channel-default.nix";
$tar->extract_file("channel/default.nix", $defaultnix);
print STDERR $tar->get_content("channel/default.nix");
(my $status, my $stdout, my $stderr) = Hydra::Helper::Nix::captureStdoutStderr(5, "nix-env", "--json", "--query", "--available", "--attr-path", "--file", $defaultnix);
is($stderr, "", "Stderr should be empty");
is($status, 0, "Querying the packages should succeed");
my $packages = decode_json($stdout);
my $keys = [sort keys %$packages];
is($keys, [
"packageset-nested",
"packageset.deeper.deeper.nested",
"packageset.nested",
"packageset.nested2",
]);
is($packages->{"packageset-nested"}->{"name"}, "actually-top-level");
is($packages->{"packageset.nested"}->{"name"}, "actually-nested");
done_testing;

36
t/jobs/nested-attributes.nix Normal file
View file

@ -0,0 +1,36 @@
with import ./config.nix;
rec {
# Given a jobset containing a package set named X with an interior member Y,
# expose the interior member Y with the name X-Y. This is to exercise a bug
# in the NixExprs view's generated Nix expression which flattens the
# package set namespace from `X.Y` to `X-Y`. If the bug is present, the
# resulting expression incorrectly renders two `X-Y` packages.
packageset = {
recurseForDerivations = true;
deeper = {
recurseForDerivations = true;
deeper = {
recurseForDerivations = true;
nested = mkDerivation {
name = "much-too-deep";
builder = ./empty-dir-builder.sh;
};
};
};
nested = mkDerivation {
name = "actually-nested";
builder = ./empty-dir-builder.sh;
};
nested2 = mkDerivation {
name = "actually-nested2";
builder = ./empty-dir-builder.sh;
};
};
packageset-nested = mkDerivation {
name = "actually-top-level";
builder = ./empty-dir-builder.sh;
};
}