| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "testing" |
| 6 | ) |
| 7 | |
| 8 | // singleSurfaceTabsFile rewrites the persisted layout. Every branch must carry |
| 9 | // the forward-compatibility keys of a newer build through untouched; the |
| 10 | // local-kept branch dropped them, so a downgrade-then-upgrade cycle lost them |
| 11 | // whenever a remote surface was active. |
| 12 | func TestSingleSurfaceLocalKeptBranchPreservesUnknownKeys(t *testing.T) { |
| 13 | extra := map[string]json.RawMessage{"futureKey": json.RawMessage(`{"a":1}`)} |
| 14 | out := singleSurfaceTabsFile(desktopTabsFile{ |
| 15 | Tabs: []desktopTabEntry{{ID: "l1"}, {ID: "l2"}}, |
| 16 | RemoteTabs: []desktopRemoteTabEntry{{ID: "r1", HostID: "h", Workspace: "~/a"}}, |
| 17 | ActiveTab: "r1", |
| 18 | extra: extra, |
| 19 | }) |
| 20 | if len(out.Tabs) != 1 || out.ActiveTab != "r1" { |
| 21 | t.Fatalf("collapse = %+v, want the remote surface with one dormant local tab", out) |
| 22 | } |
| 23 | if string(out.extra["futureKey"]) != `{"a":1}` { |
| 24 | t.Fatalf("collapsed extra = %v, want the forward-compatible key retained", out.extra) |
| 25 | } |
| 26 | extra["futureKey"] = json.RawMessage(`{"a":2}`) |
| 27 | if string(out.extra["futureKey"]) != `{"a":1}` { |
| 28 | t.Fatal("collapsed extra aliases the caller's map instead of cloning it") |
| 29 | } |
| 30 | } |
| 31 |