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Copy pathcommit_walker_test.go
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commit_walker_test.go
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package versionmgr
import (
"bytes"
"context"
"errors"
"testing"
"github.com/GitDataAI/jiaozifs/models"
"github.com/GitDataAI/jiaozifs/testhelper"
"github.com/GitDataAI/jiaozifs/utils/hash"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
)
// TestNewCommitPostorderIter
//
// A--->B
// / \
// root E-->F
// \ /
// C---->D
func TestNewCommitPostorderIter(t *testing.T) {
ctx := context.Background()
closeDB, _, db := testhelper.SetupDatabase(ctx, t)
defer closeDB()
repoID := uuid.New()
repo := models.NewRepo(db)
rootCommit, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "root")
require.NoError(t, err)
commitA, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit a", rootCommit.Hash)
require.NoError(t, err)
commitB, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commt b", commitA.Hash)
require.NoError(t, err)
commitC, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit c", rootCommit.Hash)
require.NoError(t, err)
commitD, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit d", commitC.Hash)
require.NoError(t, err)
commitE, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit e", commitB.Hash, commitD.Hash)
require.NoError(t, err)
commitF, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit f", commitE.Hash)
require.NoError(t, err)
commitFNode := NewWrapCommitNode(repo.CommitRepo(repoID), commitF)
t.Run("NewCommitPostorderIter", func(t *testing.T) {
iter := NewCommitPostorderIter(ctx, commitFNode, nil)
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 7)
assertHash(t, exactCommits, commitF.Hash, commitE.Hash, commitD.Hash, commitC.Hash, rootCommit.Hash, commitB.Hash, commitA.Hash)
})
t.Run("NewCommitPostorderIter ignore", func(t *testing.T) {
iter := NewCommitPostorderIter(ctx, commitFNode, []hash.Hash{commitE.Hash})
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 1)
assertHash(t, exactCommits, commitF.Hash)
})
t.Run("NewCommitPostorderIter ignore", func(t *testing.T) {
iter := NewCommitPostorderIter(ctx, commitFNode, []hash.Hash{commitD.Hash})
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 5)
assertHash(t, exactCommits, commitF.Hash, commitE.Hash, commitB.Hash, commitA.Hash, rootCommit.Hash)
})
t.Run("NewCommitPostorderIter ErrStop", func(t *testing.T) {
iter := NewCommitPostorderIter(ctx, commitFNode, nil)
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
if bytes.Equal(node.Hash(), commitF.Hash) {
return ErrStop
}
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 1)
assertHash(t, exactCommits, commitF.Hash)
})
t.Run("NewCommitPostorderIter err", func(t *testing.T) {
iter := NewCommitPostorderIter(ctx, commitFNode, nil)
var exactCommits []*WrapCommitNode
mockErr := errors.New("mock")
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
if bytes.Equal(node.Hash(), commitF.Hash) {
return mockErr
}
return nil
})
require.ErrorIs(t, err, mockErr)
require.Len(t, exactCommits, 1)
assertHash(t, exactCommits, commitF.Hash)
})
}
// TestCommitPreorderIter
//
// A--->B
// / \
// root E-->F
// \ /
// C---->D
func TestCommitPreorderIter(t *testing.T) {
ctx := context.Background()
closeDB, _, db := testhelper.SetupDatabase(ctx, t)
defer closeDB()
repoID := uuid.New()
repo := models.NewRepo(db)
rootCommit, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "root")
require.NoError(t, err)
commitA, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit a", rootCommit.Hash)
require.NoError(t, err)
commitB, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commt b", commitA.Hash)
require.NoError(t, err)
commitC, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit c", rootCommit.Hash)
require.NoError(t, err)
commitD, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit d", commitC.Hash)
require.NoError(t, err)
commitE, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit e", commitB.Hash, commitD.Hash)
require.NoError(t, err)
commitF, err := makeCommit(ctx, repo.CommitRepo(repoID), hash.Empty, "commit f", commitE.Hash)
require.NoError(t, err)
commitFNode := NewWrapCommitNode(repo.CommitRepo(repoID), commitF)
t.Run("NewCommitPreorderIter", func(t *testing.T) {
iter := NewCommitPreorderIter(ctx, commitFNode, nil, []hash.Hash{})
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 7)
assertHash(t, exactCommits, commitF.Hash, commitE.Hash, commitB.Hash, commitA.Hash, rootCommit.Hash, commitD.Hash, commitC.Hash)
})
t.Run("NewCommitPreorderIter ignore", func(t *testing.T) {
iter := NewCommitPreorderIter(ctx, commitFNode, nil, []hash.Hash{commitE.Hash})
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 1)
assertHash(t, exactCommits, commitF.Hash)
})
t.Run("NewCommitPreorderIter ignore", func(t *testing.T) {
iter := NewCommitPreorderIter(ctx, commitFNode, map[string]bool{commitE.Hash.Hex(): true}, nil)
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 1)
assertHash(t, exactCommits, commitF.Hash)
})
t.Run("NewCommitPreorderIter ignore", func(t *testing.T) {
iter := NewCommitPreorderIter(ctx, commitFNode, nil, []hash.Hash{commitD.Hash})
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 5)
assertHash(t, exactCommits, commitF.Hash, commitE.Hash, commitB.Hash, commitA.Hash, rootCommit.Hash)
})
t.Run("NewCommitPreorderIter ErrStop", func(t *testing.T) {
iter := NewCommitPreorderIter(ctx, commitFNode, nil, nil)
var exactCommits []*WrapCommitNode
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
if bytes.Equal(node.Hash(), commitF.Hash) {
return ErrStop
}
return nil
})
require.NoError(t, err)
require.Len(t, exactCommits, 1)
assertHash(t, exactCommits, commitF.Hash)
})
t.Run("NewCommitPreorderIter err", func(t *testing.T) {
iter := NewCommitPreorderIter(ctx, commitFNode, nil, nil)
var exactCommits []*WrapCommitNode
mockErr := errors.New("mock")
err = iter.ForEach(func(node *WrapCommitNode) error {
exactCommits = append(exactCommits, node)
if bytes.Equal(node.Hash(), commitF.Hash) {
return mockErr
}
return nil
})
require.ErrorIs(t, err, mockErr)
require.Len(t, exactCommits, 1)
assertHash(t, exactCommits, commitF.Hash)
})
}