66 lines
2.2 KiB
TypeScript
66 lines
2.2 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { formulaEngine } from "@/lib/formula";
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import { formulaRegressionCorpus } from "@/tests/fixtures/formula-corpus";
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describe("sanitized five-workbook regression corpus", () => {
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it("contains exactly the expected identities and operator distribution", () => {
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const analyses = formulaRegressionCorpus.map((fixture) =>
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formulaEngine.analyze(fixture.formula),
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);
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const countUsing = (key: keyof (typeof analyses)[number]) =>
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analyses.filter((analysis) => {
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const value = analysis[key];
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return typeof value === "number" && value > 0;
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}).length;
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expect(formulaRegressionCorpus).toHaveLength(379);
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expect(
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new Set(formulaRegressionCorpus.map((fixture) => fixture.workbookId)),
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).toHaveLength(5);
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expect(countUsing("additions")).toBe(314);
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expect(countUsing("divisions")).toBe(335);
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expect(countUsing("decimalLiterals")).toBe(43);
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expect(countUsing("subtractions")).toBe(0);
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expect(countUsing("multiplications")).toBe(0);
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expect(countUsing("percentages")).toBe(0);
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expect(countUsing("unarySigns")).toBe(0);
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expect(
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formulaRegressionCorpus.some((fixture) =>
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/\b[A-Z]+\d+\b/u.test(fixture.formula),
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),
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).toBe(true);
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expect(
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formulaRegressionCorpus.some((fixture) => fixture.formula.includes("$")),
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).toBe(false);
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expect(
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formulaRegressionCorpus.some((fixture) => fixture.formula.includes("!")),
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).toBe(false);
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expect(
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formulaRegressionCorpus.some((fixture) => /[A-Z]+\(/u.test(fixture.formula)),
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).toBe(false);
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});
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it("evaluates all 379 cells to their deterministic expected values", () => {
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for (const fixture of formulaRegressionCorpus) {
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const result = formulaEngine.evaluate(
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[
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...Object.entries(fixture.inputs).map(([key, value]) => ({
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key,
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value,
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})),
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{
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key: "result",
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formula: fixture.formula,
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displayPrecision: 2,
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},
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],
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{ referenceAliases: fixture.a1ToField },
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);
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expect(result.fields.result.error, fixture.id).toBeUndefined();
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expect(result.fields.result.canonical, fixture.id).toBe(fixture.expected);
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}
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});
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});
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