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Marc-André Bombeck
157809c24f
A read that copied "(calc)" into the unit minted a marker in "g/dL (calc)" that refused the next report's "g/dL". The note is dropped at the read and ignored in the unit comparison; any other bracket still counts.
111 lines
3.2 KiB
TypeScript
111 lines
3.2 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import {
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normaliseLabUnit,
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sameLabUnit,
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withoutLabUnitAnnotation,
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} from "../unit-normalise";
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describe("sameLabUnit — spellings of one unit", () => {
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it.each([
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["mmol/L", "mmol/l"],
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["mg/dL", "mg/dl"],
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["mg/dL", "mg/DL"],
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["mg/dL", " mg / dL "],
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["mg/dL", "mg/ dL"],
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["µg/L", "ug/L"],
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["µg/L", "μg/L"],
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["µg/L", "mcg/L"],
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["µmol/L", "umol/l"],
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["µIU/mL", "uIU/mL"],
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["x10^3/µL", "x10^3/uL"],
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["x10^3/µL", "x10^3/µl"],
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["mg/dL", "MG/DL"],
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["mmol/L", "MMOL/L"],
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["µmol/L", "UMOL/L"],
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["ng/mL", "NG/ML"],
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["IU/L", "IU/l"],
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["IU/L", "IU/L"],
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])("%s = %s", (a, b) => {
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expect(sameLabUnit(a, b)).toBe(true);
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expect(sameLabUnit(b, a)).toBe(true);
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});
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});
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describe("sameLabUnit — never merges units of different magnitude or kind", () => {
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it.each([
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// The point of the module: nothing that changes the number.
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["mg/dL", "mmol/L"],
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["mg/dL", "mg/L"],
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["mg/L", "µg/L"],
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["g/dL", "g/L"],
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["ng/mL", "ng/dL"],
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["µg/L", "mg/L"],
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["%", "mmol/mol"],
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["mmol/L", "µmol/L"],
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["mmol/L", "mol/L"],
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// Case that carries meaning stays significant.
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["mIU/L", "MIU/L"],
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["g/L", "G/L"],
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["u/L", "U/L"],
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["mmol/L", "Mmol/L"],
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["pmol/L", "Pmol/L"],
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// A unit the module does not know compares exactly, so it cannot be guessed.
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["mg/dL", "mg/dl."],
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["mg/dL", "mg per dL"],
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["mg/dL", ""],
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])("%s ≠ %s", (a, b) => {
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expect(sameLabUnit(a, b)).toBe(false);
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expect(sameLabUnit(b, a)).toBe(false);
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});
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it("does not turn a unit printed in capitals into one that is not on the list", () => {
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// `G/L` shouted is the blood-count unit, not grams per litre.
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expect(normaliseLabUnit("G/L")).toBe("G/L");
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expect(normaliseLabUnit("MIU/L")).toBe("MIU/L");
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});
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it("keeps enzyme units apart from the micro prefix", () => {
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expect(normaliseLabUnit("u/L")).toBe("u/L");
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expect(normaliseLabUnit("U/L")).toBe("U/L");
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});
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});
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describe("normaliseLabUnit", () => {
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it("is idempotent", () => {
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for (const unit of [
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"ug/l",
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"MG/DL",
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"mmol/l",
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" x10^3 / uL ",
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"mIU/L",
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"G/L",
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]) {
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const once = normaliseLabUnit(unit);
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expect(normaliseLabUnit(once)).toBe(once);
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}
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});
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it("names the canonical spelling", () => {
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expect(normaliseLabUnit("mmol/l")).toBe("mmol/L");
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expect(normaliseLabUnit("ug/l")).toBe("µg/L");
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expect(normaliseLabUnit("MG/DL")).toBe("mg/dL");
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});
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});
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describe("a calculated-value note in the unit", () => {
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it("is not part of the unit", () => {
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expect(sameLabUnit("g/dL (calc)", "g/dL")).toBe(true);
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expect(sameLabUnit("mmol/l (berechnet)", "mmol/L")).toBe(true);
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expect(sameLabUnit("mg/dL (Calc.)", "MG/DL")).toBe(true);
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expect(withoutLabUnitAnnotation("(calc)")).toBe("");
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expect(withoutLabUnitAnnotation(" g/dL (calculated) ")).toBe("g/dL");
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});
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it("keeps any other bracket, so it still surfaces as a mismatch", () => {
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expect(sameLabUnit("mg/dL (fasting)", "mg/dL")).toBe(false);
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expect(withoutLabUnitAnnotation("U/L (37 °C)")).toBe("U/L (37 °C)");
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expect(withoutLabUnitAnnotation("(calc) g/dL")).toBe("(calc) g/dL");
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});
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});
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