1 files changed, 83 insertions, 0 deletions
diff --git a/apps/web/src/services/storage/migrations/__tests__/v26-to-v27.test.ts b/apps/web/src/services/storage/migrations/__tests__/v26-to-v27.test.ts
new file mode 100644
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+++ b/apps/web/src/services/storage/migrations/__tests__/v26-to-v27.test.ts
@@ -0,0 +1,83 @@
+import { describe, expect, test } from "bun:test";
+import { transformProjectV26ToV27 } from "../transformers/v26-to-v27";
+
+describe("V26 to V27 Migration", () => {
+	test("converts custom mask paths from JSON strings to typed point arrays", () => {
+		const result = transformProjectV26ToV27({
+			project: {
+				id: "project-v26-custom-mask",
+				version: 26,
+				scenes: [
+					{
+						id: "scene-1",
+						tracks: {
+							main: {
+								id: "track-1",
+								type: "video",
+								elements: [
+									{
+										id: "element-1",
+										type: "image",
+										masks: [
+											{
+												id: "mask-custom",
+												type: "custom",
+												params: {
+													path: JSON.stringify([
+														{
+															id: "point-1",
+															x: 0,
+															y: 0,
+															inX: 0,
+															inY: 0,
+															outX: 0.1,
+															outY: 0,
+														},
+													]),
+													closed: false,
+												},
+											},
+											{
+												id: "mask-rectangle",
+												type: "rectangle",
+												params: {
+													width: 0.5,
+												},
+											},
+										],
+									},
+								],
+							},
+							overlay: [],
+							audio: [],
+						},
+					},
+				],
+			},
+		});
+
+		expect(result.skipped).toBe(false);
+		expect(result.project.version).toBe(27);
+
+		const scenes = result.project.scenes as Array<Record<string, unknown>>;
+		const tracks = scenes[0].tracks as Record<string, unknown>;
+		const mainTrack = tracks.main as Record<string, unknown>;
+		const elements = mainTrack.elements as Array<Record<string, unknown>>;
+		const masks = elements[0].masks as Array<Record<string, unknown>>;
+		const customParams = masks[0].params as Record<string, unknown>;
+		const rectangleParams = masks[1].params as Record<string, unknown>;
+
+		expect(customParams.path).toEqual([
+			{
+				id: "point-1",
+				x: 0,
+				y: 0,
+				inX: 0,
+				inY: 0,
+				outX: 0.1,
+				outY: 0,
+			},
+		]);
+		expect(rectangleParams.width).toBe(0.5);
+	});
+});