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package maintenance
import (
"context"
"math/rand"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/internal/backchannel"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/git/catfile"
"gitlab.com/gitlab-org/gitaly/internal/git/gittest"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/config"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/service/repository"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/transaction"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/internal/testhelper/testcfg"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc"
)
type mockOptimizer struct {
t testing.TB
actual []*gitalypb.Repository
cfg config.Cfg
}
func (mo *mockOptimizer) OptimizeRepository(ctx context.Context, req *gitalypb.OptimizeRepositoryRequest, _ ...grpc.CallOption) (*gitalypb.OptimizeRepositoryResponse, error) {
mo.actual = append(mo.actual, req.Repository)
l := config.NewLocator(mo.cfg)
gitCmdFactory := git.NewExecCommandFactory(mo.cfg)
catfileCache := catfile.NewCache(mo.cfg)
resp, err := repository.NewServer(mo.cfg, nil, l, transaction.NewManager(mo.cfg, backchannel.NewRegistry()), gitCmdFactory, catfileCache).OptimizeRepository(ctx, req)
assert.NoError(mo.t, err)
return resp, err
}
func TestOptimizeReposRandomly(t *testing.T) {
cfgBuilder := testcfg.NewGitalyCfgBuilder(testcfg.WithStorages("0", "1", "2"))
cfg := cfgBuilder.Build(t)
for _, storage := range cfg.Storages {
gittest.Exec(t, cfg, "init", "--bare", filepath.Join(storage.Path, "a"))
gittest.Exec(t, cfg, "init", "--bare", filepath.Join(storage.Path, "b"))
}
cfg.Storages = append(cfg.Storages, config.Storage{
Name: "duplicate",
Path: cfg.Storages[0].Path,
})
ctx, cancel := testhelper.Context()
defer cancel()
for _, tc := range []struct {
desc string
storages []string
expected []*gitalypb.Repository
}{
{
desc: "two storages",
storages: []string{"0", "1"},
expected: []*gitalypb.Repository{
{RelativePath: "a", StorageName: "0"},
{RelativePath: "a", StorageName: "1"},
{RelativePath: "b", StorageName: "0"},
{RelativePath: "b", StorageName: "1"},
},
},
{
desc: "duplicate storages",
storages: []string{"0", "1", "duplicate"},
expected: []*gitalypb.Repository{
{RelativePath: "a", StorageName: "0"},
{RelativePath: "a", StorageName: "1"},
{RelativePath: "b", StorageName: "0"},
{RelativePath: "b", StorageName: "1"},
},
},
} {
t.Run(tc.desc, func(t *testing.T) {
tickerDone := false
tickerCount := 0
ticker := helper.NewManualTicker()
ticker.ResetFunc = func() {
tickerCount++
ticker.Tick()
}
ticker.StopFunc = func() {
tickerDone = true
}
mo := &mockOptimizer{
t: t,
cfg: cfg,
}
walker := OptimizeReposRandomly(cfg.Storages, mo, ticker, rand.New(rand.NewSource(1)))
require.NoError(t, walker(ctx, testhelper.DiscardTestEntry(t), tc.storages))
require.ElementsMatch(t, tc.expected, mo.actual)
require.True(t, tickerDone)
// We expect one more tick than optimized repositories because of the
// initial tick up front to re-start the timer.
require.Equal(t, len(tc.expected)+1, tickerCount)
})
}
}
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