56 lines
2.5 KiB
TypeScript
56 lines
2.5 KiB
TypeScript
 
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import { describe, expect, test } from "bun:test";
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import { rangeWindow, type RangeKind } from "../src/client/analytics.ts";
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import { trendChart } from "../src/client/trend-chart.ts";
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const HOUR = 3_600_000;
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const format = (ms: number) => `${ms / HOUR}h`;
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const count = (html: string, text: string) => html.split(text).length - 1;
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const base = new Date(2026, 10, 8, 12);
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describe("trend chart", () => {
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for (const kind of ["day", "week", "month", "year"] as RangeKind[]) {
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test(`${kind}: every column has a label row, so all bars share one baseline`, () => {
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const range = rangeWindow(kind, 0, base);
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const html = trendChart(range.bins, range.bins.map(() => 0), format, +base);
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expect(count(html, 'class="trend-label"')).toBe(range.bins.length);
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});
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test(`${kind}: every bin has a full name for the readout`, () => {
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for (const bin of rangeWindow(kind, 0, base).bins) expect(bin.name.length).toBeGreaterThan(1);
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});
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}
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test("only the peak bar has a value label", () => {
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const { bins } = rangeWindow("month", 0, base);
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const trend = bins.map((_, i) => (i === 3 ? 3 * HOUR : i < 8 ? HOUR : 0));
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const html = trendChart(bins, trend, format, +base);
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expect(count(html, 'class="trend-value"')).toBe(1);
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expect(html).toContain('<span class="trend-value">3h</span>');
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});
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test("a bin with no time has no bar", () => {
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const { bins } = rangeWindow("week", 0, base);
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const trend = bins.map((_, i) => (i === 0 ? HOUR : 0));
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expect(count(trendChart(bins, trend, format, +base), 'class="trend-fill"')).toBe(1);
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});
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test("each column gives its date and value to the readout", () => {
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const { bins } = rangeWindow("month", 0, base);
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const html = trendChart(bins, bins.map((_, i) => (i === 5 ? 2 * HOUR : 0)), format, +base);
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expect(html).toContain(`data-readout="${bins[5]!.name} · 2h"`);
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expect(html).toContain(`data-readout="${bins[6]!.name} · 0h"`);
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});
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test("the readout starts on the peak, or says the period is empty", () => {
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const { bins } = rangeWindow("year", 0, base);
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const html = trendChart(bins, bins.map((_, i) => (i === 10 ? 5 * HOUR : 0)), format, +base);
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expect(html).toContain(`>Peak · ${bins[10]!.name} · 5h<`);
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expect(trendChart(bins, bins.map(() => 0), format, +base)).toContain(">No time logged in this period.<");
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});
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test("the current bin is marked", () => {
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const { bins } = rangeWindow("week", 0, base);
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const html = trendChart(bins, bins.map(() => 0), format, +base);
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expect(count(html, "trend-col current")).toBe(1);
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});
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});
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