| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "testing" |
| 8 | ) |
| 9 | |
| 10 | // Legacy desktop theme-state compatibility gate for the extension-kernel |
| 11 | // work. Plugin themes introduce plugin:<plugin>:<theme> IDs, but the |
| 12 | // persisted desktop-theme-state.json must keep round-tripping for older |
| 13 | // states: v1 files migrate to v2, user theme IDs survive a save, base-style |
| 14 | // IDs are never persisted, and unknown/garbage content falls back to the |
| 15 | // default state without crashing. |
| 16 | |
| 17 | func TestLegacyThemeStateV1MigratesToV2(t *testing.T) { |
| 18 | home := t.TempDir() |
| 19 | t.Setenv("REASONIX_HOME", home) |
| 20 | |
| 21 | path := themeStatePath() |
| 22 | if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil { |
| 23 | t.Fatal(err) |
| 24 | } |
| 25 | // v1 state: schemaVersion 0/1 with an active user theme id. |
| 26 | if err := os.WriteFile(path, []byte(`{"activeThemeId":"my-user-theme"}`), 0o644); err != nil { |
| 27 | t.Fatal(err) |
| 28 | } |
| 29 | |
| 30 | st := loadThemeDesktopState() |
| 31 | if st.SchemaVersion != themeStateSchemaVerV1 { |
| 32 | t.Fatalf("missing schemaVersion should decode as v1, got %d", st.SchemaVersion) |
| 33 | } |
| 34 | if st.ActiveThemeID != "my-user-theme" { |
| 35 | t.Fatalf("active theme id lost: %+v", st) |
| 36 | } |
| 37 | |
| 38 | if err := saveThemeDesktopState(st); err != nil { |
| 39 | t.Fatalf("saveThemeDesktopState: %v", err) |
| 40 | } |
| 41 | raw, err := os.ReadFile(path) |
| 42 | if err != nil { |
| 43 | t.Fatal(err) |
| 44 | } |
| 45 | var saved ThemeDesktopState |
| 46 | if err := json.Unmarshal(raw, &saved); err != nil { |
| 47 | t.Fatalf("saved state unreadable: %v", err) |
| 48 | } |
| 49 | if saved.SchemaVersion != themeStateSchemaVer { |
| 50 | t.Fatalf("save should stamp schema v%d, got %d", themeStateSchemaVer, saved.SchemaVersion) |
| 51 | } |
| 52 | if saved.ActiveThemeID != "my-user-theme" { |
| 53 | t.Fatalf("user theme id did not round-trip: %s", raw) |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | func TestLegacyThemeStateGarbageFallsBack(t *testing.T) { |
| 58 | home := t.TempDir() |
| 59 | t.Setenv("REASONIX_HOME", home) |
| 60 | |
| 61 | path := themeStatePath() |
| 62 | if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil { |
| 63 | t.Fatal(err) |
| 64 | } |
| 65 | if err := os.WriteFile(path, []byte(`{not json`), 0o644); err != nil { |
| 66 | t.Fatal(err) |
| 67 | } |
| 68 | st := loadThemeDesktopState() |
| 69 | if st.SchemaVersion != themeStateSchemaVer || st.ActiveThemeID != "" { |
| 70 | t.Fatalf("garbage state should fall back to default, got %+v", st) |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | func TestLegacyThemeStateBaseStyleNeverPersisted(t *testing.T) { |
| 75 | home := t.TempDir() |
| 76 | t.Setenv("REASONIX_HOME", home) |
| 77 | |
| 78 | if err := saveThemeDesktopState(ThemeDesktopState{ActiveThemeID: "graphite"}); err != nil { |
| 79 | t.Fatalf("saveThemeDesktopState: %v", err) |
| 80 | } |
| 81 | raw, err := os.ReadFile(themeStatePath()) |
| 82 | if err != nil { |
| 83 | t.Fatal(err) |
| 84 | } |
| 85 | var saved ThemeDesktopState |
| 86 | if err := json.Unmarshal(raw, &saved); err != nil { |
| 87 | t.Fatal(err) |
| 88 | } |
| 89 | if saved.ActiveThemeID != "" { |
| 90 | t.Fatalf("base style id must never persist as activeThemeId: %s", raw) |
| 91 | } |
| 92 | } |
| 93 |