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|
package localrepo
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/v15/internal/git"
"gitlab.com/gitlab-org/gitaly/v15/internal/git/catfile"
"gitlab.com/gitlab-org/gitaly/v15/internal/git/gittest"
"gitlab.com/gitlab-org/gitaly/v15/internal/gitaly/config"
"gitlab.com/gitlab-org/gitaly/v15/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/v15/internal/testhelper/testcfg"
"gitlab.com/gitlab-org/gitaly/v15/proto/go/gitalypb"
)
func TestRepo(t *testing.T) {
cfg := testcfg.Build(t)
gittest.TestRepository(t, cfg, func(ctx context.Context, t testing.TB, seeded bool) (git.Repository, string) {
t.Helper()
var (
pbRepo *gitalypb.Repository
repoPath string
)
if seeded {
pbRepo, repoPath = gittest.CloneRepo(t, cfg, cfg.Storages[0])
} else {
pbRepo, repoPath = gittest.InitRepo(t, cfg, cfg.Storages[0])
}
gitCmdFactory := gittest.NewCommandFactory(t, cfg)
catfileCache := catfile.NewCache(cfg)
t.Cleanup(catfileCache.Stop)
return New(config.NewLocator(cfg), gitCmdFactory, catfileCache, pbRepo), repoPath
})
}
func TestSize(t *testing.T) {
cfg := testcfg.Build(t)
gitCmdFactory := gittest.NewCommandFactory(t, cfg)
catfileCache := catfile.NewCache(cfg)
t.Cleanup(catfileCache.Stop)
testCases := []struct {
desc string
setup func(t *testing.T) *gitalypb.Repository
opts []RepoSizeOption
expectedSize int64
}{
{
desc: "empty repository",
expectedSize: 0,
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, _ := gittest.InitRepo(t, cfg, cfg.Storages[0])
return repoProto
},
},
{
desc: "referenced commit",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "file", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
gittest.WithBranch("main"),
)
return repoProto
},
expectedSize: 203,
},
{
desc: "unreferenced commit",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "file", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
)
return repoProto
},
expectedSize: 0,
},
{
desc: "modification to blob without repack",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
rootCommitID := gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "file", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
)
gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(rootCommitID),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "file", Mode: "100644", Content: strings.Repeat("a", 1001)},
),
gittest.WithMessage("modification"),
gittest.WithBranch("main"),
)
return repoProto
},
expectedSize: 439,
},
{
desc: "modification to blob after repack",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
rootCommitID := gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "file", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
)
gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(rootCommitID),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "file", Mode: "100644", Content: strings.Repeat("a", 1001)},
),
gittest.WithMessage("modification"),
gittest.WithBranch("main"),
)
gittest.Exec(t, cfg, "-C", repoPath, "repack", "-a", "-d")
return repoProto
},
expectedSize: 398,
},
{
desc: "excluded single ref",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "1kbblob", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
gittest.WithBranch("exclude-me"),
)
gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "1kbblob", Mode: "100644", Content: strings.Repeat("x", 2000)},
),
gittest.WithBranch("include-me"),
)
return repoProto
},
opts: []RepoSizeOption{
WithExcludeRefs("refs/heads/exclude-me"),
},
expectedSize: 217,
},
{
desc: "excluded everything",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
gittest.WriteCommit(t, cfg, repoPath,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "1kbblob", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
gittest.WithBranch("exclude-me"),
)
return repoProto
},
opts: []RepoSizeOption{
WithExcludeRefs("refs/heads/*"),
},
expectedSize: 0,
},
{
desc: "repo with alternate",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
_, poolPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
require.NoError(t, os.WriteFile(
filepath.Join(repoPath, "objects", "info", "alternates"),
[]byte(filepath.Join(poolPath, "objects")),
os.ModePerm,
))
for _, path := range []string{repoPath, poolPath} {
gittest.WriteCommit(t, cfg, path,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "1kbblob", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
gittest.WithBranch("main"),
)
}
return repoProto
},
// While both repositories have the same contents, we should still return
// the actual repository's size because we don't exclude the alternate.
expectedSize: 207,
},
{
desc: "exclude alternate with identical conetnts",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
_, poolPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
require.NoError(t, os.WriteFile(
filepath.Join(repoPath, "objects", "info", "alternates"),
[]byte(filepath.Join(poolPath, "objects")),
os.ModePerm,
))
// We write the same object into both repositories, so we should
// exclude it from our size calculations.
for _, path := range []string{repoPath, poolPath} {
gittest.WriteCommit(t, cfg, path,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "1kbblob", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
gittest.WithBranch("main"),
)
}
return repoProto
},
opts: []RepoSizeOption{
WithoutAlternates(),
},
expectedSize: 0,
},
{
desc: "exclude alternate with additional contents",
setup: func(t *testing.T) *gitalypb.Repository {
repoProto, repoPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
_, poolPath := gittest.InitRepo(t, cfg, cfg.Storages[0])
require.NoError(t, os.WriteFile(
filepath.Join(repoPath, "objects", "info", "alternates"),
[]byte(filepath.Join(poolPath, "objects")),
os.ModePerm,
))
for i, path := range []string{repoPath, poolPath} {
// We first write one blob into the repo that is the same
// across both repositories.
rootCommitID := gittest.WriteCommit(t, cfg, path,
gittest.WithParents(),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "1kbblob", Mode: "100644", Content: strings.Repeat("a", 1000)},
),
)
// But this time we also write a second commit into each of
// the repositories that is not the same to simulate history
// that has diverged.
gittest.WriteCommit(t, cfg, path,
gittest.WithParents(rootCommitID),
gittest.WithTreeEntries(
gittest.TreeEntry{Path: "1kbblob", Mode: "100644", Content: fmt.Sprintf("%d", i)},
),
gittest.WithBranch("main"),
)
}
return repoProto
},
opts: []RepoSizeOption{
WithoutAlternates(),
},
expectedSize: 224,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
repoProto := tc.setup(t)
repo := New(config.NewLocator(cfg), gitCmdFactory, catfileCache, repoProto)
ctx := testhelper.Context(t)
size, err := repo.Size(ctx, tc.opts...)
require.NoError(t, err)
assert.Equal(t, tc.expectedSize, size)
})
}
}
|
