import { describe, expect, it } from "vitest";
import { extractAnswerTextsFromContext } from "../../src/utils/mappings.js";
describe("extractAnswerTextsFromContext", () => {
it("returns [] for empty context", () => {
expect(extractAnswerTextsFromContext("", [{ text: "TypeScript" }])).toEqual(
[]
);
});
it("matches technology keywords against available answers (case-insensitive) and de-dupes", () => {
const ctx = `
We are building a RESTful API in TypeScript on Node.js with Express.
This is definitely a web app, not a desktop app.
`;
const available = [
{ text: "REST API" },
{ text: "TypeScript" },
{ text: "Node.js" },
{ text: "Express" },
{ text: "Web Application" },
];
const matched = extractAnswerTextsFromContext(ctx, available);
// Order matters (keyword list order + then fuzzy scan), so assert as exact array.
expect(matched).toEqual([
"REST API",
"Web Application",
"TypeScript",
"Node.js",
"Express",
]);
});
it("does whole-word matching for short keywords (e.g., 'go' shouldn't match 'mongodb')", () => {
const ctx = `We use MongoDB heavily.`;
const available = [{ text: "Go" }, { text: "MongoDB" }];
const matched = extractAnswerTextsFromContext(ctx, available);
// "MongoDB" should match; "Go" should NOT match via 'go' inside 'mongodb'
expect(matched).toContain("MongoDB");
expect(matched).not.toContain("Go");
});
it("matches direct mentions of available answers as whole words (longer answers first)", () => {
const ctx = `This service emits JSON, reads YAML, and uses Google Cloud Platform.`;
const available = [
{ text: "JSON" },
{ text: "YAML" },
{ text: "Google Cloud Platform" },
];
const matched = extractAnswerTextsFromContext(ctx, available);
expect(matched).toEqual(["Google Cloud Platform", "JSON", "YAML"]);
});
});
