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use strict;
use warnings;
package HydraTestContext;
use File::Path qw(make_path);
use File::Basename;
use Cwd qw(abs_path getcwd);
# Set up the environment for running tests.
#
# Hash Parameters:
#
# * hydra_config: configuration for the Hydra processes for your test.
# * nix_config: text to include in the test's nix.conf
# * use_external_destination_store: Boolean indicating whether hydra should
# use a destination store different from the evaluation store.
# True by default.
#
# This clears several environment variables and sets them to ephemeral
# values: a temporary database, temporary Nix store, temporary Hydra
# data directory, etc.
#
# Note: This function must run _very_ early, before nearly any Hydra
# libraries are loaded. To use this, you very likely need to `use Setup`
# and then run `test_init`, and then `require` the Hydra libraries you
# need.
#
# It returns a tuple: a handle to a temporary directory and a handle to
# the postgres service. If either of these variables go out of scope,
# those resources are released and the test environment becomes invalid.
#
# Look at the top of an existing `.t` file to see how this should be used
# in practice.
sub new {
my ($class, %opts) = @_;
my $dir = File::Temp->newdir();
$ENV{'HYDRA_DATA'} = "$dir/hydra-data";
mkdir $ENV{'HYDRA_DATA'};
$ENV{'NIX_CONF_DIR'} = "$dir/nix/etc/nix";
make_path($ENV{'NIX_CONF_DIR'});
my $nixconf = "$ENV{'NIX_CONF_DIR'}/nix.conf";
my $nix_config = "sandbox = false\n" . ($opts{'nix_config'} || "");
write_file($nixconf, $nix_config);
$ENV{'HYDRA_CONFIG'} = "$dir/hydra.conf";
my $hydra_config = $opts{'hydra_config'} || "";
if ($opts{'use_external_destination_store'} // 1) {
$hydra_config = "store_uri = file:$dir/nix/dest-store\n" . $hydra_config;
}
write_file($ENV{'HYDRA_CONFIG'}, $hydra_config);
$ENV{'NIX_LOG_DIR'} = "$dir/nix/var/log/nix";
$ENV{'NIX_REMOTE_SYSTEMS'} = '';
$ENV{'NIX_REMOTE'} = '';
$ENV{'NIX_STATE_DIR'} = "$dir/nix/var/nix";
$ENV{'NIX_STORE_DIR'} = "$dir/nix/store";
my $pgsql = Test::PostgreSQL->new(
extra_initdb_args => "--locale C.UTF-8"
);
$ENV{'HYDRA_DBI'} = $pgsql->dsn;
system("hydra-init") == 0 or die;
my $self = {
_db => undef,
db_handle => $pgsql,
tmpdir => $dir,
testdir => abs_path(dirname(__FILE__) . "/.."),
jobsdir => abs_path(dirname(__FILE__) . "/../jobs")
};
return bless $self, $class;
}
sub db {
my ($self, $setup) = @_;
if (!defined $self->{_db}) {
require Hydra::Schema;
require Hydra::Model::DB;
$self->{_db} = Hydra::Model::DB->new();
if (!(defined $setup && $setup == 0)) {
$self->{_db}->resultset('Users')->create({
username => "root",
emailaddress => 'root@invalid.org',
password => ''
});
}
}
return $self->{_db};
}
sub tmpdir {
my ($self) = @_;
return $self->{tmpdir};
}
sub testdir {
my ($self) = @_;
return $self->{testdir};
}
sub jobsdir {
my ($self) = @_;
return $self->{jobsdir};
}
sub DESTROY
{
my ($self) = @_;
$self->db(0)->schema->storage->disconnect();
}
sub write_file {
my ($path, $text) = @_;
open(my $fh, '>', $path) or die "Could not open file '$path' $!";
print $fh $text || "";
close $fh;
}
1;
# * hydra_config: configuration for the Hydra processes for your test.
# * nix_config: text to include in the test's nix.conf
# * use_external_destination_store: Boolean indicating whether hydra should
# use a destination store different from the evaluation store.
# True by default.
#
# This clears several environment variables and sets them to ephemeral
# values: a temporary database, temporary Nix store, temporary Hydra
# data directory, etc.
#
# Note: This function must run _very_ early, before nearly any Hydra
# libraries are loaded. To use this, you very likely need to `use Setup`
# and then run `test_init`, and then `require` the Hydra libraries you
# need.
#
# It returns a tuple: a handle to a temporary directory and a handle to
# the postgres service. If either of these variables go out of scope,
# those resources are released and the test environment becomes invalid.
#
# Look at the top of an existing `.t` file to see how this should be used
# in practice.
# See HydraTestContext::new for documentation
my %opts = @_;
my $dir = File::Temp->newdir();
$ENV{'HYDRA_DATA'} = "$dir/hydra-data";
mkdir $ENV{'HYDRA_DATA'};
$ENV{'NIX_CONF_DIR'} = "$dir/nix/etc/nix";
make_path($ENV{'NIX_CONF_DIR'});
my $nixconf = "$ENV{'NIX_CONF_DIR'}/nix.conf";
my $nix_config = "sandbox = false\n" . ($opts{'nix_config'} || "");
write_file($nixconf, $nix_config);
$ENV{'HYDRA_CONFIG'} = "$dir/hydra.conf";
require HydraTestContext;
my $ctx = HydraTestContext->new(@_);
my $hydra_config = $opts{'hydra_config'} || "";
if ($opts{'use_external_destination_store'} // 1) {
$hydra_config = "store_uri = file:$dir/nix/dest-store\n" . $hydra_config;
}
write_file($ENV{'HYDRA_CONFIG'}, $hydra_config);
$ENV{'NIX_LOG_DIR'} = "$dir/nix/var/log/nix";
$ENV{'NIX_REMOTE_SYSTEMS'} = '';
$ENV{'NIX_REMOTE'} = '';
$ENV{'NIX_STATE_DIR'} = "$dir/nix/var/nix";
$ENV{'NIX_STORE_DIR'} = "$dir/nix/store";
my $pgsql = Test::PostgreSQL->new(
extra_initdb_args => "--locale C.UTF-8"
);
$ENV{'HYDRA_DBI'} = $pgsql->dsn;
system("hydra-init") == 0 or die;
db => $pgsql,
tmpdir => $dir,
testdir => abs_path(dirname(__FILE__) . "/.."),
jobsdir => abs_path(dirname(__FILE__) . "/../jobs")
);
context => $ctx,
tmpdir => $ctx->tmpdir,
testdir => $ctx->testdir,
jobsdir => $ctx->jobsdir
)