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package repository_test
import (
"fmt"
"strings"
"testing"
"codeberg.org/lindenii/furgit/internal/testgit"
"codeberg.org/lindenii/furgit/object"
"codeberg.org/lindenii/furgit/objectid"
"codeberg.org/lindenii/furgit/repository"
)
func TestReadStoredTyped(t *testing.T) {
t.Parallel()
testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
repoHarness := testgit.NewRepo(t, testgit.RepoOptions{
ObjectFormat: algo,
Bare: true,
RefFormat: "files",
})
blobID, treeID, commitID := repoHarness.MakeCommit(t, "stored types")
repo, err := repository.Open(repoHarness.Dir())
if err != nil {
t.Fatalf("repository.Open: %v", err)
}
defer func() { _ = repo.Close() }()
blob, err := repo.ReadStoredBlob(blobID)
if err != nil {
t.Fatalf("ReadStoredBlob: %v", err)
}
if blob.ID() != blobID {
t.Fatalf("blob ID = %s, want %s", blob.ID(), blobID)
}
if string(blob.Blob().Data) != "commit-body\n" {
t.Fatalf("blob body = %q, want %q", blob.Blob().Data, "commit-body\n")
}
tree, err := repo.ReadStoredTree(treeID)
if err != nil {
t.Fatalf("ReadStoredTree: %v", err)
}
if tree.ID() != treeID {
t.Fatalf("tree ID = %s, want %s", tree.ID(), treeID)
}
if len(tree.Tree().Entries) != 1 {
t.Fatalf("tree entries = %d, want 1", len(tree.Tree().Entries))
}
commit, err := repo.ReadStoredCommit(commitID)
if err != nil {
t.Fatalf("ReadStoredCommit: %v", err)
}
if commit.ID() != commitID {
t.Fatalf("commit ID = %s, want %s", commit.ID(), commitID)
}
if commit.Commit().Tree != treeID {
t.Fatalf("commit tree = %s, want %s", commit.Commit().Tree, treeID)
}
})
}
func TestResolveTreeEntry(t *testing.T) {
t.Parallel()
testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
repoHarness := testgit.NewRepo(t, testgit.RepoOptions{
ObjectFormat: algo,
Bare: true,
RefFormat: "files",
})
blobID := repoHarness.HashObject(t, "blob", []byte("nested-file\n"))
childTreeID := repoHarness.Mktree(t, fmt.Sprintf("100644 blob %s\tleaf.txt\n", blobID))
rootTreeID := repoHarness.Mktree(t, fmt.Sprintf("040000 tree %s\tdir\n", childTreeID))
repo, err := repository.Open(repoHarness.Dir())
if err != nil {
t.Fatalf("repository.Open: %v", err)
}
defer func() { _ = repo.Close() }()
rootTree, err := repo.ReadStoredTree(rootTreeID)
if err != nil {
t.Fatalf("ReadStoredTree(root): %v", err)
}
entry, err := repo.ResolveTreeEntry(rootTree, [][]byte{[]byte("dir"), []byte("leaf.txt")})
if err != nil {
t.Fatalf("ResolveTreeEntry: %v", err)
}
if entry.Mode != object.FileModeRegular {
t.Fatalf("ResolveTreeEntry mode = %o, want %o", entry.Mode, object.FileModeRegular)
}
if entry.ID != blobID {
t.Fatalf("ResolveTreeEntry id = %s, want %s", entry.ID, blobID)
}
})
}
func TestResolveTreeEntryErrors(t *testing.T) {
t.Parallel()
testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
t.Run("missing path component", func(t *testing.T) {
t.Parallel()
repoHarness := testgit.NewRepo(t, testgit.RepoOptions{
ObjectFormat: algo,
Bare: true,
RefFormat: "files",
})
blobID := repoHarness.HashObject(t, "blob", []byte("body\n"))
rootTreeID := repoHarness.Mktree(t, fmt.Sprintf("100644 blob %s\tfile.txt\n", blobID))
repo, err := repository.Open(repoHarness.Dir())
if err != nil {
t.Fatalf("repository.Open: %v", err)
}
defer func() { _ = repo.Close() }()
rootTree, err := repo.ReadStoredTree(rootTreeID)
if err != nil {
t.Fatalf("ReadStoredTree(root): %v", err)
}
_, err = repo.ResolveTreeEntry(rootTree, [][]byte{[]byte("missing")})
if err == nil || !strings.Contains(err.Error(), "not found") {
t.Fatalf("ResolveTreeEntry missing: err = %v, want not found error", err)
}
})
t.Run("non-tree intermediate", func(t *testing.T) {
t.Parallel()
repoHarness := testgit.NewRepo(t, testgit.RepoOptions{
ObjectFormat: algo,
Bare: true,
RefFormat: "files",
})
blobID := repoHarness.HashObject(t, "blob", []byte("body\n"))
rootTreeID := repoHarness.Mktree(t, fmt.Sprintf("100644 blob %s\tdir\n", blobID))
repo, err := repository.Open(repoHarness.Dir())
if err != nil {
t.Fatalf("repository.Open: %v", err)
}
defer func() { _ = repo.Close() }()
rootTree, err := repo.ReadStoredTree(rootTreeID)
if err != nil {
t.Fatalf("ReadStoredTree(root): %v", err)
}
_, err = repo.ResolveTreeEntry(rootTree, [][]byte{[]byte("dir"), []byte("leaf")})
if err == nil || !strings.Contains(err.Error(), "is not a tree") {
t.Fatalf("ResolveTreeEntry non-tree: err = %v, want non-tree error", err)
}
})
})
}
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