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package loose_test
import (
"bytes"
"errors"
"os"
"strings"
"testing"
"codeberg.org/lindenii/furgit/internal/testgit"
"codeberg.org/lindenii/furgit/objectid"
"codeberg.org/lindenii/furgit/objectstore"
"codeberg.org/lindenii/furgit/objectstore/loose"
)
func TestLooseStoreReadAgainstGit(t *testing.T) {
t.Parallel()
testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
blobID := testRepo.HashObject(t, "blob", []byte("blob body\n"))
_, treeID, commitID := testRepo.MakeCommit(t, "subject\n\nbody")
tagID := testRepo.TagAnnotated(t, "v1", commitID, "tag message")
store := openLooseStore(t, testRepo.Dir(), algo)
tests := []struct {
name string
id objectid.ObjectID
}{
{name: "blob", id: blobID},
{name: "tree", id: treeID},
{name: "commit", id: commitID},
{name: "tag", id: tagID},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
wantType, wantBody, wantRaw := expectedRawObject(t, testRepo, tt.id)
gotRaw, err := store.ReadBytesFull(tt.id)
if err != nil {
t.Fatalf("ReadBytesFull: %v", err)
}
if !bytes.Equal(gotRaw, wantRaw) {
t.Fatalf("ReadBytesFull mismatch")
}
gotType, gotBody, err := store.ReadBytesContent(tt.id)
if err != nil {
t.Fatalf("ReadBytesContent: %v", err)
}
if gotType != wantType {
t.Fatalf("ReadBytesContent type = %v, want %v", gotType, wantType)
}
if !bytes.Equal(gotBody, wantBody) {
t.Fatalf("ReadBytesContent body mismatch")
}
headType, headSize, err := store.ReadHeader(tt.id)
if err != nil {
t.Fatalf("ReadHeader: %v", err)
}
if headType != wantType {
t.Fatalf("ReadHeader type = %v, want %v", headType, wantType)
}
if headSize != int64(len(wantBody)) {
t.Fatalf("ReadHeader size = %d, want %d", headSize, len(wantBody))
}
fullReader, err := store.ReadReaderFull(tt.id)
if err != nil {
t.Fatalf("ReadReaderFull: %v", err)
}
if got := mustReadAllAndClose(t, fullReader); !bytes.Equal(got, wantRaw) {
t.Fatalf("ReadReaderFull stream mismatch")
}
contentType, contentSize, contentReader, err := store.ReadReaderContent(tt.id)
if err != nil {
t.Fatalf("ReadReaderContent: %v", err)
}
if contentType != wantType {
t.Fatalf("ReadReaderContent type = %v, want %v", contentType, wantType)
}
if contentSize != int64(len(wantBody)) {
t.Fatalf("ReadReaderContent size = %d, want %d", contentSize, len(wantBody))
}
if got := mustReadAllAndClose(t, contentReader); !bytes.Equal(got, wantBody) {
t.Fatalf("ReadReaderContent stream mismatch")
}
})
}
})
}
func TestLooseStoreErrors(t *testing.T) {
t.Parallel()
testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
store := openLooseStore(t, testRepo.Dir(), algo)
notFoundID, err := objectid.ParseHex(algo, strings.Repeat("0", algo.HexLen()))
if err != nil {
t.Fatalf("ParseHex(notFoundID): %v", err)
}
if _, err := store.ReadBytesFull(notFoundID); !errors.Is(err, objectstore.ErrObjectNotFound) {
t.Fatalf("ReadBytesFull not-found error = %v", err)
}
if _, _, err := store.ReadBytesContent(notFoundID); !errors.Is(err, objectstore.ErrObjectNotFound) {
t.Fatalf("ReadBytesContent not-found error = %v", err)
}
if _, err := store.ReadReaderFull(notFoundID); !errors.Is(err, objectstore.ErrObjectNotFound) {
t.Fatalf("ReadReaderFull not-found error = %v", err)
}
if _, _, _, err := store.ReadReaderContent(notFoundID); !errors.Is(err, objectstore.ErrObjectNotFound) {
t.Fatalf("ReadReaderContent not-found error = %v", err)
}
if _, _, err := store.ReadHeader(notFoundID); !errors.Is(err, objectstore.ErrObjectNotFound) {
t.Fatalf("ReadHeader not-found error = %v", err)
}
var otherAlgo objectid.Algorithm
if algo == objectid.AlgorithmSHA1 {
otherAlgo = objectid.AlgorithmSHA256
} else {
otherAlgo = objectid.AlgorithmSHA1
}
otherID, err := objectid.ParseHex(otherAlgo, strings.Repeat("1", otherAlgo.HexLen()))
if err != nil {
t.Fatalf("ParseHex(otherID): %v", err)
}
if _, err := store.ReadBytesFull(otherID); err == nil || !strings.Contains(err.Error(), "algorithm mismatch") {
t.Fatalf("ReadBytesFull algorithm-mismatch error = %v", err)
}
})
}
func TestLooseStoreNewValidation(t *testing.T) {
t.Parallel()
root, err := os.OpenRoot(t.TempDir())
if err != nil {
t.Fatalf("OpenRoot: %v", err)
}
defer func() { _ = root.Close() }()
if _, err := loose.New(root, objectid.AlgorithmUnknown); err == nil {
t.Fatalf("loose.New(root, unknown) expected error")
}
}
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