hydra/t/scripts/hydra-eval-jobset/notifications.t

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use feature 'unicode_strings';
use strict;
use warnings;
use Setup;
use Test2::V0;
use File::Copy;
use Hydra::PostgresListener;
use Hydra::Event;
# expectEvent(Hydra::PostgresLister, name of the channel to expect, a sub which gets the parsed event)
sub expectEvent {
my ($listener, $expectedChannel, $then) = @_;
my $message = $listener->block_for_messages(0)->();
my $channel = $message->{"channel"};
if ($channel eq $expectedChannel) {
my $event = Hydra::Event->new_event($message->{"channel"}, $message->{"payload"});
local $_ = $event->{event};
$then->();
} else {
is($expectedChannel, $channel, "Expecting a message on channel $channel");
}
}
my $ctx = test_context(
hydra_config => q|
# No caching for PathInput plugin, otherwise we get wrong values
# (as it has a 30s window where no changes to the file are considered).
path_input_cache_validity_seconds = 0
|
);
my $dbh = $ctx->db()->storage->dbh;
my $listener = Hydra::PostgresListener->new($dbh);
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$listener->subscribe("build_queued");
$listener->subscribe("builds_added");
$listener->subscribe("cached_build_finished");
$listener->subscribe("cached_build_queued");
$listener->subscribe("eval_added");
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$listener->subscribe("eval_cached");
$listener->subscribe("eval_failed");
$listener->subscribe("eval_started");
my $jobsetdir = $ctx->tmpdir . '/jobset';
mkdir($jobsetdir);
copy($ctx->jobsdir . '/hydra-eval-notifications.nix', "$jobsetdir/default.nix");
my $builds = $ctx->makeAndEvaluateJobset(
expression => "default.nix",
jobsdir => $jobsetdir,
build => 0
);
my $jobset = $builds->{"stable-job-queued"}->jobset;
subtest "on the initial evaluation" => sub {
expectEvent($listener, "eval_started", sub {
isnt($_->{"trace_id"}, "", "We got a trace ID");
is($_->{"jobset_id"}, $jobset->get_column('id'), "the jobset ID matches");
});
is($listener->block_for_messages(0)->()->{"channel"}, "build_queued", "expect 1/4 builds being queued");
is($listener->block_for_messages(0)->()->{"channel"}, "build_queued", "expect 2/4 builds being queued");
is($listener->block_for_messages(0)->()->{"channel"}, "build_queued", "expect 3/4 builds being queued");
is($listener->block_for_messages(0)->()->{"channel"}, "build_queued", "expect 4/4 builds being queued");
is($listener->block_for_messages(0)->()->{"channel"}, "eval_added", "the evaluation has completed");
is($listener->block_for_messages(0)->()->{"channel"}, "builds_added", "new builds have been scheduled");
is($listener->block_for_messages(0)->(), undef, "there are no more messages from the evaluator");
};
subtest "on a subsequent, totally cached / unchanged evaluation" => sub {
ok(evalSucceeds($builds->{"variable-job"}->jobset), "evaluating for the second time");
is($listener->block_for_messages(0)->()->{"channel"}, "eval_started", "an evaluation has started");
is($listener->block_for_messages(0)->()->{"channel"}, "eval_cached", "the evaluation finished and nothing changed");
is($listener->block_for_messages(0)->(), undef, "there are no more messages from the evaluator");
};
subtest "on a fresh evaluation with changed sources" => sub {
open(my $fh, ">>", "${jobsetdir}/default.nix") or die "didn't open?";
say $fh "\n";
close $fh;
ok(runBuild($builds->{"stable-job-passing"}), "building the stable passing job");
$builds->{"stable-job-passing"}->discard_changes();
ok(runBuild($builds->{"stable-job-failing"}), "building the stable failing job");
$builds->{"stable-job-failing"}->discard_changes();
ok(evalSucceeds($builds->{"variable-job"}->jobset), "evaluating for the third time");
is($listener->block_for_messages(0)->()->{"channel"}, "eval_started", "the evaluation started");
# The order of builds is randomized when writing to the database,
# so we can't expect the list in any specific order here.
is(
[sort(
$listener->block_for_messages(0)->()->{"channel"},
$listener->block_for_messages(0)->()->{"channel"},
$listener->block_for_messages(0)->()->{"channel"},
$listener->block_for_messages(0)->()->{"channel"}
)],
[
# The `variable-job` build since it is the only one that is
# totally different in this evaluation.
"build_queued",
# The next two are `stable-job-passing` and `stable-job-failing`,
# since those are the two we explicitly built above
"cached_build_finished",
"cached_build_finished",
# Finally, this should be `stable-job-queued` since we never
# built it.
"cached_build_queued",
],
"we get a notice that a build is queued, one is still queued from a previous eval"
);
is($listener->block_for_messages(0)->()->{"channel"}, "eval_added", "a new evaluation was added");
is($listener->block_for_messages(0)->()->{"channel"}, "builds_added", "a new build was added");
is($listener->block_for_messages(0)->(), undef, "there are no more messages from the evaluator");
};
subtest "on a fresh evaluation with corrupted sources" => sub {
open(my $fh, ">>", "${jobsetdir}/default.nix") or die "didn't open?";
say $fh "this is not valid nix code!\n";
close $fh;
ok(evalFails($builds->{"variable-job"}->jobset), "evaluating the corrupted job");
is($listener->block_for_messages(0)->()->{"channel"}, "eval_started", "the evaluation started");
is($listener->block_for_messages(0)->()->{"channel"}, "eval_failed", "the evaluation failed");
is($listener->block_for_messages(0)->(), undef, "there are no more messages from the evaluator");
};
done_testing;