Perplexity Agent MCP

import { describe, it, expect } from "vitest"; import { stripThinkContent } from "./strip-think-content.ts"; describe("stripThinkContent", () => { describe("basic functionality", () => { it("should remove simple think blocks", () => { const input = "Before <think>reasoning content</think> After"; const expected = "Before After"; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should remove multiline think blocks", () => { const input = `Before <think> multi line reasoning </think> After`; const expected = "Before\n\nAfter"; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should remove multiple separate think blocks", () => { const input = "Start <think>first</think> middle <think>second</think> end"; const expected = "Start end"; const result = stripThinkContent(input); expect(result).toBe(expected); }); }); describe("nested and multiple think blocks behavior", () => { it("should remove nested think blocks completely", () => { const input = `Before content <think> Outer reasoning <think> Inner reasoning </think> More outer reasoning </think> After content`; const expected = "Before content\n\nAfter content"; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should handle multiple nested levels", () => { const input = `Start <think> Level 1 <think> Level 2 <think> Level 3 </think> Back to level 2 </think> Back to level 1 </think> End`; const expected = "Start\n\nEnd"; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should handle mixed nested and separate think blocks", () => { // Intentional behavior when combining nested blocks with separate blocks. // Example: "A <think>1</think> B <think>2</think> C" => "A C". const input = `First <think>simple block</think> middle <think> Outer block <think> Inner block </think> More outer </think> Last <think>another simple</think> end`; const expected = "First end"; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should handle adjacent nested blocks", () => { const input = `<think> First outer <think> First inner </think> </think><think> Second outer <think> Second inner </think> </think>`; const expected = ""; const result = stripThinkContent(input); expect(result).toBe(expected); }); }); describe("unbalanced think tags", () => { it("should handle unbalanced nested tags - extra opening tag", () => { const input = "<think>foo<think></think>"; const expected = ""; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should handle unbalanced nested tags - extra closing tag", () => { const input = "Start <think></think>foo</think> End"; const expected = "Start End"; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should handle text around unbalanced tags", () => { const input = "Before <think>foo<think></think> After"; const expected = "Before After"; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should handle completely unmatched opening tag", () => { const input = "Before <think>unclosed content After"; const expected = "Before <think>unclosed content After"; const result = stripThinkContent(input); expect(result).toBe(expected); }); it("should handle completely unmatched closing tag", () => { const input = "Before unopened content</think> After"; const expected = "Before unopened content</think> After"; const result = stripThinkContent(input); expect(result).toBe(expected); }); }); });