package checkout
import (
"strings"
"testing"
)
func TestSparseSecondMergeRefused(t *testing.T) {
f := newSparseRepo(t, false)
first := f.commit(t, maps(sparseFiles, map[string]string{"tools/t.c": "first\n"}), f.c1)
second := f.commit(t, maps(sparseFiles, map[string]string{"doc/d.txt": "second\n"}), f.c1)
co := f.open(t, sparseCone(t), f.c1)
if _, err := co.Merge(MergeOpts{Version: first}); err != nil {
t.Fatal(err)
}
if _, err := co.Merge(MergeOpts{Version: second}); err == nil || !strings.Contains(err.Error(), "merge is already pending") {
t.Fatalf("second merge = %v", err)
}
var parents int
if err := co.db.QueryRow("SELECT count(*) FROM vmerge WHERE id=0").Scan(&parents); err != nil || parents != 1 {
t.Fatalf("merge parents = %d: %v", parents, err)
}
}
func TestSparseUpdateConsumesPendingOverlay(t *testing.T) {
f := newSparseRepo(t, false)
remote := f.commit(t, maps(sparseFiles, map[string]string{"tools/t.c": "merged\n"}), f.c1)
target := f.commit(t, maps(sparseFiles, map[string]string{"src/a.c": "target\n"}), f.c1)
co := f.open(t, sparseCone(t), f.c1)
if _, err := co.Merge(MergeOpts{Version: remote}); err != nil {
t.Fatal(err)
}
if _, err := co.Update(UpdateOpts{TargetRID: target}); err != nil {
t.Fatal(err)
}
for _, table := range []string{"sparse_pending", "vmerge"} {
var count int
if err := co.db.QueryRow("SELECT count(*) FROM " + table).Scan(&count); err != nil || count != 0 {
t.Fatalf("update retained %s rows: %d, %v", table, count, err)
}
}
}