test(chatbot): extractIntroduction

Author: eyssette

tests/unit/core/chatbot/parsers/extractIntroduction.spec.mjs

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+import { extractIntroduction } from "../../../../../app/js/core/chatbot/parsers/extractIntroduction.mjs";
+
+describe("extractIntroduction", () => {
+	it("extracts the title, the initial message and the end of the introduction correctly", () => {
+		const input = `# Title\nThis is an intro.\nMultiple lines\n\n are authorized !\n## Section`;
+		const result = extractIntroduction(input);
+
+		expect(result.chatbotTitle).toEqual(["Title"]);
+		expect(result.chatbotInitialMessage.trim()).toEqual(
+			"This is an intro.\nMultiple lines\n\n are authorized !",
+		);
+		expect(result.indexEnd).toBe(input.trim().indexOf("## Section"));
+	});
+
+	it("extracts the title, the initial message and the end of the introduction correctly, even if the beginning of the main content is a heading in Markdown which is not a level 2 heading", () => {
+		const input = `# Title\nThis is an intro.\nMultiple lines\n\n are authorized !\n### Section`;
+		const result = extractIntroduction(input);
+
+		expect(result.chatbotTitle).toEqual(["Title"]);
+		expect(result.chatbotInitialMessage.trim()).toEqual(
+			"This is an intro.\nMultiple lines\n\n are authorized !",
+		);
+		expect(result.indexEnd).toBe(input.trim().indexOf("### Section"));
+	});
+
+	it("extracts the title, the initial message and the end of the introduction correctly, even if the beginning of the main content is the second level 1 heading", () => {
+		const input = `# Title\nThis is an intro.\nMultiple lines\n\n are authorized !\n# Section`;
+		const result = extractIntroduction(input);
+
+		expect(result.chatbotTitle).toEqual(["Title"]);
+		expect(result.chatbotInitialMessage.trim()).toEqual(
+			"This is an intro.\nMultiple lines\n\n are authorized !",
+		);
+		expect(result.indexEnd).toBe(input.trim().indexOf("# Section"));
+	});
+
+	it("extracts the title, the message and the end of the introduction correctly, even if there are return or whitespaces characters before or after the title", () => {
+		const input = ` \n # Title  \n\nThis is an intro.\n## Section`;
+		const result = extractIntroduction(input);
+
+		expect(result.chatbotTitle).toEqual(["Title"]);
+		expect(result.chatbotInitialMessage.trim()).toEqual("This is an intro.");
+		expect(result.indexEnd).toBe(input.trim().indexOf("## Section"));
+	});
+
+	it("defaults to 'Chatbot' if no title is found", () => {
+		const input = `Intro text\n## Next section`;
+		const result = extractIntroduction(input);
+
+		expect(result.chatbotTitle).toEqual(["Chatbot"]);
+		expect(result.chatbotInitialMessage.trim()).toEqual("Intro text");
+	});
+
+	it("considers the whole text as the introduction if there is no other markdown titles in the content", () => {
+		const input = ` # Title  \n\nThis is an intro.\nAnd there is no other content.`;
+		const result = extractIntroduction(input);
+
+		expect(result.chatbotTitle).toEqual(["Title"]);
+		expect(result.chatbotInitialMessage.trim()).toEqual(
+			"This is an intro.\nAnd there is no other content.",
+		);
+		expect(result.indexEnd).toBe(input.trim().length);
+	});
+});