Zimeng Xiong
33 lines
1.0 KiB
TypeScript
33 lines
1.0 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import {
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hasRenderableElements,
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isSuspiciousEmptySnapshot,
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} from "./shared";
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describe("editor/shared scene guards", () => {
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it("detects renderable elements", () => {
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expect(hasRenderableElements([{ id: "a", isDeleted: false }])).toBe(true);
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expect(
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hasRenderableElements([
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{ id: "a", isDeleted: true },
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{ id: "b", isDeleted: true },
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])
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).toBe(false);
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});
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it("flags empty snapshot after a previously non-empty persisted scene", () => {
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const previous = [{ id: "a", isDeleted: false }];
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expect(isSuspiciousEmptySnapshot(previous, [])).toBe(true);
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});
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it("does not flag empty snapshot for already-empty drawings", () => {
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expect(isSuspiciousEmptySnapshot([], [])).toBe(false);
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});
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it("does not flag non-empty snapshots", () => {
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const previous = [{ id: "a", isDeleted: false }];
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const next = [{ id: "a", isDeleted: true }];
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expect(isSuspiciousEmptySnapshot(previous, next)).toBe(false);
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});
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});
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