stroblme
ffaf66c14e
The runs table drew when a run started and how long it took in two
notations ('56m ago | 55.5 min'), and for a run still going those are the
same reading twice. `dur` now steps past the minute into hours and days,
the ago reading is derived from it, and a running run writes only the
elapsed one.
55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
/**
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* The cases `si` and `dur` get wrong when their rounding is written the
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* obvious way.
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*
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* Run: `bun src/lib/utils.check.ts` (there is no unit runner; the suite in
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* `tests/` drives a running stack).
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*/
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import assert from "node:assert/strict"
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import { dur, si } from "./utils"
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// Nothing is prefixed in the plain window: these are written with a unit after
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// them, and "400m ms" is not an improvement on "0.4 ms".
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assert.equal(si(0), "0")
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assert.equal(si(0.4), "0.4")
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assert.equal(si(203.63), "204")
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// Rounding must not leave a value in the step it just rounded out of.
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assert.equal(si(999.7), "1k")
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assert.equal(si(15000), "15k")
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assert.equal(si(-2.5e6), "-2.5M")
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// A small reading has to survive as itself; a series of these is not zeroes.
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assert.equal(si(0.0031, 4), "3.1m")
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assert.equal(si(0.000031), "31µ")
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assert.equal(si(1e-9), "1.0e-9")
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// Two neighbouring readings stay apart at the sparkline readout's four digits.
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assert.notEqual(si(1234, 4), si(1235, 4))
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assert.equal(si(Number.NaN), "--")
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console.log("si: ok")
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// The unit follows the size, so no reading is left as a shortened number in
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// front of a unit the call site guessed.
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assert.equal(dur(0), "0 ms")
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assert.equal(dur(203.63), "204 ms")
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assert.equal(dur(1240), "1.24 s")
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assert.equal(dur(90_000), "1.5 min")
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assert.equal(dur(12_600_000), "3.5 h")
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assert.equal(dur(259_200_000), "3 d")
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// The plain window down to 0.01 ms, so a fast run keeps one unit across polls.
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assert.equal(dur(0.4), "0.4 ms")
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assert.equal(dur(0.0031, 4), "3.1 µs")
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// Rounding must not leave a value in the step it just rounded out of.
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assert.equal(dur(999.7), "1 s")
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assert.equal(dur(59_999), "1 min")
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assert.equal(dur(Number.NaN), "--")
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console.log("dur: ok")
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