Monorepo for Tangled
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Go
at commit-links
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import ( "testing"
"tangled.org/core/eventconsumer/cursor")
func TestMigrateLegacyCursor(t *testing.T) { const host = "whelk.knot.tld" src := NewKnotSource(host)
t.Run("copies legacy bare-host cursor to namespaced key", func(t *testing.T) { store := &cursor.MemoryStore{} store.Set(host, 42)
MigrateLegacyCursor(store, src)
if got := store.Get(src.Key()); got != 42 { t.Fatalf("namespaced key = %d, want 42", got) } if got := store.Get(host); got != 42 { t.Fatalf("legacy key = %d, want it left at 42", got) } })
t.Run("does not pave over an already-migrated cursor", func(t *testing.T) { store := &cursor.MemoryStore{} store.Set(src.Key(), 100) store.Set(host, 42)
MigrateLegacyCursor(store, src)
if got := store.Get(src.Key()); got != 100 { t.Fatalf("namespaced key = %d, want 100", got) } })
t.Run("noop when neither key is set", func(t *testing.T) { store := &cursor.MemoryStore{}
MigrateLegacyCursor(store, src)
if got := store.Get(src.Key()); got != 0 { t.Fatalf("namespaced key = %d, want 0", got) } })
t.Run("namespaces the same host by kind", func(t *testing.T) { const shared = "mussel.knot.tld" knot := NewKnotSource(shared) spindle := NewSpindleSource(shared)
store := &cursor.MemoryStore{} store.Set(shared, 500)
MigrateLegacyCursor(store, knot) MigrateLegacyCursor(store, spindle)
if got := store.Get(knot.Key()); got != 500 { t.Fatalf("knot key = %d, want 500", got) } if got := store.Get(spindle.Key()); got != 500 { t.Fatalf("spindle key = %d, want 500", got) } })}