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test(core): tests pour computeSimilarityScore()
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‎tests/unit/core/interactions/helpers/findBestResponse/computeSimilarityScore.spec.mjs‎

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import { JSDOM } from "jsdom";
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let computeSimilarityScore;
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describe("computeSimilarityScore", () => {
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let chatbot;
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beforeEach(async () => {
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const { window } = new JSDOM(`<!DOCTYPE html><body>
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<h1 id="chatbot-name">&nbsp;</h1>
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<main>
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<div id="chat" class="chat-container" role="region" aria-label="Zone de conversation">
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<!-- La conversation sera affichée ici -->
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</div>
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<div id="controls">
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<div id="input-container">
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<label id="user-input-label" class="sr-only" for="user-input">Écrivez votre message</label>
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<div id="user-input" contenteditable="true" placeholder="Écrivez votre message" tabindex="0" role="textbox" aria-labelledby="user-input-label" title="Écrivez votre message"></div>
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</div>
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<button id="send-button" type="button">Envoyer</button>
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</div>
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</main>
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<footer id="footer">
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ChatMD – Outil libre & gratuit créé par <a href="https://eyssette.forge.apps.education.fr/">Cédric Eyssette</a>
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</footer>
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<script src="script.min.js"></script>
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</body>`);
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global.window = window;
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global.document = window.document;
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// Importer le module APRÈS avoir créé global.document
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const mod = await import(
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"../../../../../../app/js/core/interactions/helpers/findBestResponse/computeSimilarityScore.mjs"
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);
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computeSimilarityScore = mod.computeSimilarityScore;
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chatbot = {
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responses: [],
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nextMessage: {
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needsProcessing: false,
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goto: null,
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selected: null,
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ignoreKeywords: false,
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},
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vectorChatBotResponses: [],
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};
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});
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it("returns no match when there are no responses", () => {
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const result = computeSimilarityScore(chatbot, "contenu pour tester");
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expect(result.bestMatch).toBe(null);
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expect(result.bestMatchScore).toBe(0);
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expect(result.indexBestMatch).toBeUndefined();
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});
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it("returns no match when responses have no titles", () => {
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chatbot.responses = [{ content: "Réponse sans titre", title: "" }];
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const result = computeSimilarityScore(chatbot, "contenu pour tester");
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expect(result.bestMatch).toBe(null);
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expect(result.bestMatchScore).toBe(0);
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});
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it("finds the best matching response based on keywords", () => {
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chatbot.responses = [
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{
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title: "Horaires",
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keywords: ["horaire", "ouverture", "fermé"],
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content: "Nous sommes ouverts de 9h à 18h",
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},
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{
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title: "Contact",
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keywords: ["téléphone", "appeler"],
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content: "Voici notre numéro de téléphone : xx-xx-xx-xx-xx",
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},
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];
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const result = computeSimilarityScore(
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chatbot,
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"Comment faire pour vous appeler ?",
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);
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expect(result.bestMatch).toBe(
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"Voici notre numéro de téléphone : xx-xx-xx-xx-xx",
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);
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expect(result.bestMatchScore).toBeGreaterThan(0);
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expect(result.indexBestMatch).toBe(1);
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});
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it("gives higher score for longer matching keywords", () => {
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chatbot.responses = [
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{
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title: "Test1",
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keywords: ["info"],
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content: "Réponse courte",
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},
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{
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title: "Test2",
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keywords: ["information"],
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content: "Réponse longue",
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},
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{
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title: "Test3",
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keywords: ["informationnel"],
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content: "Réponse encore plus longue",
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},
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];
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const result = computeSimilarityScore(chatbot, "information");
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expect(result.indexBestMatch).toBe(1);
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});
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it("handles accents in keywords and user input", () => {
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chatbot.responses = [
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{
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title: "Info",
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keywords: ["café"],
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content: "Réponse café",
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},
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];
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const result = computeSimilarityScore(chatbot, "cafe");
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expect(result.bestMatchScore).toBeGreaterThan(0);
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});
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it("includes title in matching when no keywords", () => {
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chatbot.responses = [
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{
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title: "Horaires",
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keywords: [],
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content: "Les horaires sont affichés",
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},
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];
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const result = computeSimilarityScore(chatbot, "horaires");
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expect(result.bestMatchScore).toBe(30.8);
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});
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it("penalizes responses with negative keywords present in user input", () => {
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chatbot.responses = [
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{
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title: "Réponse1",
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keywords: ["! non merci", "aide", "aidant", "aidez-moi"],
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content: "Première réponse",
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},
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{
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title: "Réponse2",
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keywords: ["aide"],
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content: "Deuxième réponse",
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},
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];
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const result = computeSimilarityScore(chatbot, "aide non merci");
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expect(result.indexBestMatch).toBe(1);
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});
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it("goes to the specified response with !Next", () => {
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chatbot.responses = [
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{
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title: "Etape1",
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keywords: [],
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content: "Première étape",
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},
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{
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title: "Etape2",
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keywords: [],
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content: "Deuxième étape",
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},
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];
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chatbot.nextMessage.needsProcessing = true;
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chatbot.nextMessage.goto = "Etape2";
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const result = computeSimilarityScore(chatbot, "contenu pour tester");
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expect(result.indexBestMatch).toBe(1);
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});
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it("prioritizes the !Next response even if keywords match another response better", () => {
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chatbot.responses = [
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{
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title: "Autre",
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keywords: ["argument", "argumentation", "argumenter", "arguments"],
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content: "Autre réponse",
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},
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{
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title: "Cible",
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keywords: ["argument"],
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content: "Réponse ciblée",
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},
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];
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chatbot.nextMessage.needsProcessing = true;
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chatbot.nextMessage.goto = "Cible";
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const result = computeSimilarityScore(chatbot, "argument");
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expect(result.indexBestMatch).toBe(1);
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});
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it("takes keywords into account for !Next if ignoreKeywords is set to false", () => {
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chatbot.responses = [
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{
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title: "Cible",
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keywords: ["specifique"],
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content: "Réponse avec keyword",
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},
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];
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chatbot.nextMessage.needsProcessing = true;
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chatbot.nextMessage.goto = "Cible";
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chatbot.nextMessage.ignoreKeywords = false;
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const resultWithKeyword = computeSimilarityScore(chatbot, "specifique");
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const resultWithoutKeyword = computeSimilarityScore(chatbot, "autre");
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expect(resultWithKeyword.bestMatchScore).toBeGreaterThan(
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resultWithoutKeyword.bestMatchScore,
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);
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expect(resultWithKeyword.indexBestMatch).toBe(0);
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expect(resultWithoutKeyword.indexBestMatch).not.toBe(0);
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});
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it("gives a higher score for exact match and a lower score for partial match in !Next mode", () => {
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chatbot.responses = [
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{
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title: "contenu pour tester",
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keywords: ["contenu pour tester"],
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content: "Réponse test",
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},
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];
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chatbot.nextMessage.needsProcessing = true;
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chatbot.nextMessage.goto = "contenu pour tester";
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const resultExact = computeSimilarityScore(chatbot, "contenu pour tester");
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const resultPartiel = computeSimilarityScore(chatbot, "testabc");
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expect(resultExact.bestMatchScore).toBeGreaterThan(
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resultPartiel.bestMatchScore,
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);
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});
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it("checks only the selected response with !SelectNext", () => {
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chatbot.responses = [
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{
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title: "Option1",
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keywords: ["test", "tests", "tester", "testons"],
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content: "Première option",
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},
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{
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title: "Option2",
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keywords: ["test"],
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content: "Deuxième option",
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},
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];
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chatbot.nextMessage.selected = "Option2";
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const result = computeSimilarityScore(chatbot, "testons");
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expect(result.indexBestMatch).toBe(1);
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});
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it("finds approximate matches with minor typos", () => {
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chatbot.responses = [
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{
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title: "contenu pour tester",
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keywords: ["bonjour"],
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content: "Réponse bonjour",
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},
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];
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const result = computeSimilarityScore(chatbot, "bonjur");
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expect(result.bestMatchScore).toBeGreaterThan(0);
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});
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it("ignores or penalizes greatly short keywords in user input", () => {
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chatbot.responses = [
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{
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title: "contenu pour tester",
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keywords: ["bonjour", "poteau"],
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content: "Réponse",
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},
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];
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const result = computeSimilarityScore(chatbot, "bon pote");
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expect(result.bestMatchScore).toBeLessThan(5);
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});
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it("does not ignore short keywords", () => {
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chatbot.responses = [
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{
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title: "contenu pour tester",
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keywords: ["art"],
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content: "Réponse courte",
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},
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];
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const result = computeSimilarityScore(
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chatbot,
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"j'aime ce qui est artistique",
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);
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expect(result.bestMatchScore).toBe(30.3);
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});
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it("matches keywords regardless of case", () => {
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chatbot.responses = [
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{
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title: "contenu pour tester",
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keywords: ["BOnJoUR"],
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content: "Salut",
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},
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];
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const result = computeSimilarityScore(chatbot, "bonjour");
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expect(result.bestMatchScore).toBeGreaterThan(0);
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});
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it("selects the response with the highest bestMatchScore", () => {
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chatbot.responses = [
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{
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title: "Faible",
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keywords: ["correspondance", "moins", "importante"],
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content: "Réponse faible",
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},
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{
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title: "Forte",
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keywords: ["correspondance", "plus", "importante"],
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content: "Réponse forte",
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},
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];
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const result = computeSimilarityScore(
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chatbot,
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"correspondance plus importante",
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);
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expect(result.indexBestMatch).toBe(1);
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expect(result.bestMatch).toBe("Réponse forte");
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});
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});

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