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|
#!/usr/bin/env perl
use strict;
use warnings;
=head1 NAME
10-Gerrit.t - test QtQA::Gerrit module
=cut
use FindBin;
use lib "$FindBin::Bin/../..";
use AnyEvent;
use Capture::Tiny qw(capture_merged);
use Const::Fast;
use Data::Dumper;
use English qw( -no_match_vars );
use Env::Path;
use File::Temp;
use File::chdir;
use IO::File;
use Test::More;
use Test::Warn;
use QtQA::Test::More qw(create_mock_command);
BEGIN { use_ok 'QtQA::Gerrit'; }
const my $CHANGE_ID_RE => qr{I[a-f0-9]{40}};
# like system(), but fails the test and shows the command output
# if the command fails
sub system_or_fail
{
my (@cmd) = @_;
my $status;
my $output = capture_merged {
$status = system(@cmd);
};
is( $status, 0 ) || diag "command [@cmd] exited with status $status\noutput:\n$output";
return;
}
# create a file with the given $filename, or fail
sub touch
{
my ($filename) = @_;
ok( IO::File->new($filename, '>>'), "open $filename" )
|| diag "open $filename failed: $!";
return;
}
sub test_random_change_id
{
my %seen;
for my $i (1..10) {
my $change_id = QtQA::Gerrit::random_change_id();
ok( !$seen{ $change_id }, "[$i] random_change_id is unique" );
$seen{ $change_id }++;
like( $change_id, qr{\A$CHANGE_ID_RE\z}, "[$i] random_change_id looks like a Change-Id" );
}
return;
}
sub test_next_change_id
{
# copy of %ENV with all git-related environment removed
my %clean_env;
while (my ($key, $value) = each %ENV) {
if ($key !~ m{\AGIT_}i) {
$clean_env{ $key } = $value;
}
}
local %ENV = %clean_env;
# copy of %ENV for two different git authors
my %git1_env = QtQA::Gerrit::git_environment( bot_name => 'git bot 1' );
my %git2_env = QtQA::Gerrit::git_environment( bot_name => 'git bot 2' );
my $dir = File::Temp->newdir( 'qtqa-gerrit-test.XXXXXX', TMPDIR => 1, CLEANUP => 1 );
local $CWD = "$dir";
warnings_are {
# no history; degrades to random_change_id
my $id1 = QtQA::Gerrit::next_change_id();
my $id2 = QtQA::Gerrit::next_change_id();
isnt( $id1, $id2, 'next_change_id returns two different IDs in random case' );
like( $id1, qr{\A$CHANGE_ID_RE\z} );
like( $id2, qr{\A$CHANGE_ID_RE\z} );
} [('QtQA::Gerrit: git environment is not set, using random Change-Id') x 2];
{
local %ENV = %git1_env;
system_or_fail( qw(git init) );
touch( 'file1' );
system_or_fail( qw(git add file1) );
system_or_fail( qw(git commit -m), 'added file1' );
}
{
# there is a git repository and environment but no commits from the current author;
# returns a unique but stable Change-Id
local %ENV = %git2_env;
my $id1 = QtQA::Gerrit::next_change_id();
my $id2 = QtQA::Gerrit::next_change_id();
is( $id1, $id2, 'next_change_id returns same IDs if git environment is set' );
like( $id1, qr{\A$CHANGE_ID_RE\z} );
my $git1_id1;
{
# creating a new commit as the other author doesn't make any difference
local %ENV = %git1_env;
touch( 'file2' );
system_or_fail( qw(git add file2) );
system_or_fail( qw(git commit -m), 'added file2' );
$git1_id1 = QtQA::Gerrit::next_change_id();
like( $git1_id1, qr{\A$CHANGE_ID_RE\z} );
}
my $id3 = QtQA::Gerrit::next_change_id();
is( $id3, $id1, 'new commits from other authors do not change the result' );
# creating a commit from this author _does_ change the result...
touch( 'file3' );
system_or_fail( qw(git add file3) );
system_or_fail( qw(git commit -m), 'added file3' );
my $id4 = QtQA::Gerrit::next_change_id();
my $id5 = QtQA::Gerrit::next_change_id();
isnt( $id4, $id1, 'new commits from this author changes the result' );
is( $id4, $id5, 'new Change-Id is stable' );
like( $id4, qr{\A$CHANGE_ID_RE\z} );
{
# if we switch back to the other author, we still get the same stable
# change-id for that author
local %ENV = %git1_env;
my $git1_id2 = QtQA::Gerrit::next_change_id();
is( $git1_id1, $git1_id2, 'switching between authors does not change the result' );
}
}
return;
}
sub test_stream_events
{
local %ENV = %ENV;
my $dir = File::Temp->newdir( 'qtqa-gerrit-test.XXXXXX', TMPDIR => 1, CLEANUP => 1 );
Env::Path->PATH->Prepend( "$dir" );
create_mock_command(
name => 'ssh',
directory => $dir,
sequence => [
# first simulate an error to check retry behavior
{ exitcode => 1 },
# then simulate various events from a long-lived connection
{
delay => 30,
exitcode => 0,
stdout => qq|{"id":1,"key1":"val1"}\n{"id":2,"key2":"val2"}\n{"id":3,"key3":"val3"}\n|,
}
],
);
my $cv = AE::cv();
# make sure we eventually give up if something goes wrong
my $timeout_timer = AE::timer( 30, 0, sub { $cv->croak( 'timed out!' ) } );
my $done_timer;
my @events;
my $guard;
$guard = QtQA::Gerrit::stream_events(
url => 'ssh://gerrit.example.com/',
on_event => sub {
my (undef, $event) = @_;
push @events, $event;
# we've arranged for 3 events, but test aborting after the 2nd event
# by undef'ing $guard
if (@events >= 2) {
undef $guard;
# run for a little while longer to give us a chance to wrongly see
# the third event despite undef $guard
$done_timer ||= AE::timer( 1, 0, sub { $cv->send() } );
}
},
);
my @warnings;
{
local $SIG{__WARN__} = sub {
my ($warning) = @_;
push @warnings, $warning;
};
$cv->recv();
}
# order of warnings is undefined; sort for testing
@warnings = sort @warnings;
is( scalar(@warnings), 2, 'got expected amount of warnings' );
is( $warnings[0], "QtQA::Gerrit: Broken pipe\n", 'first warning as expected' );
like( $warnings[1], qr{\AQtQA::Gerrit: ssh exited}, 'second warning as expected' );
is_deeply( \@events, [{id=>1, key1=>'val1'},{id=>2, key2=>'val2'}], 'got expected events' )
|| diag 'events: '.Dumper( \@events );
return;
}
sub run_test
{
test_random_change_id;
test_next_change_id;
TODO: {
if ($OSNAME =~ m{win32}i) {
todo_skip( "QTQAINFRA-575 - investigate AnyEvent::Util::run_cmd on Windows", 4 );
}
test_stream_events;
}
return;
}
#==============================================================================
if (!caller) {
run_test;
done_testing;
}
1;
|
