33 lines
1.5 KiB
TypeScript
33 lines
1.5 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { formatMonitoringInterval, moveTimelineTime, snapTimelineTime } from "./scada-replay-time";
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const minute = 60_000;
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const start = Date.parse("2026-10-08T08:07:00+08:00");
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describe("SCADA timeline timestamps", () => {
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it("quantizes continuous pointer positions to five-minute SCADA timestamps", () => {
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const end = start + 60 * minute;
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expect(snapTimelineTime(Date.parse("2026-10-08T08:26:00+08:00"), start, end, 5 * minute))
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.toBe(Date.parse("2026-10-08T08:25:00+08:00"));
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expect(snapTimelineTime(Date.parse("2026-10-08T08:28:00+08:00"), start, end, 5 * minute))
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.toBe(Date.parse("2026-10-08T08:30:00+08:00"));
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});
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it("moves keyboard controls between clock-aligned five-minute timestamps", () => {
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const end = start + 60 * minute;
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expect(moveTimelineTime(start, start, end, 5 * minute, 1)).toBe(Date.parse("2026-10-08T08:10:00+08:00"));
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expect(moveTimelineTime(start + 6 * minute, start, end, 5 * minute, -1)).toBe(Date.parse("2026-10-08T08:10:00+08:00"));
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});
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it("reaches exact range endpoints and never leaves the selected range", () => {
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const end = start + 22 * minute;
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expect(moveTimelineTime(end - minute, start, end, 5 * minute, 1)).toBe(end);
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expect(moveTimelineTime(start + minute, start, end, 5 * minute, -1)).toBe(start);
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});
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it("formats the independent project monitoring period", () => {
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expect(formatMonitoringInterval(900)).toBe("15 分钟");
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expect(formatMonitoringInterval(91)).toBe("91 秒");
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});
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});
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