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| 1 | +import { describe, expect, it } from "vitest"; |
| 2 | +import { |
| 3 | + CLOUD_PROMPT_PREFIX, |
| 4 | + deserializeCloudPrompt, |
| 5 | + promptBlocksToText, |
| 6 | + serializeCloudPrompt, |
| 7 | +} from "./cloud-prompt"; |
| 8 | + |
| 9 | +describe("cloud-prompt", () => { |
| 10 | + describe("serializeCloudPrompt", () => { |
| 11 | + it("returns plain text for a single text block", () => { |
| 12 | + const result = serializeCloudPrompt([ |
| 13 | + { type: "text", text: " hello world " }, |
| 14 | + ]); |
| 15 | + expect(result).toBe("hello world"); |
| 16 | + expect(result).not.toContain(CLOUD_PROMPT_PREFIX); |
| 17 | + }); |
| 18 | + |
| 19 | + it("returns prefixed JSON for multi-block content", () => { |
| 20 | + const blocks = [ |
| 21 | + { type: "text" as const, text: "read this" }, |
| 22 | + { |
| 23 | + type: "resource" as const, |
| 24 | + resource: { |
| 25 | + uri: "attachment://test.txt", |
| 26 | + text: "file contents", |
| 27 | + mimeType: "text/plain", |
| 28 | + }, |
| 29 | + }, |
| 30 | + ]; |
| 31 | + const result = serializeCloudPrompt(blocks); |
| 32 | + expect(result).toMatch( |
| 33 | + new RegExp( |
| 34 | + `^${CLOUD_PROMPT_PREFIX.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")}`, |
| 35 | + ), |
| 36 | + ); |
| 37 | + const payload = JSON.parse(result.slice(CLOUD_PROMPT_PREFIX.length)); |
| 38 | + expect(payload.blocks).toEqual(blocks); |
| 39 | + }); |
| 40 | + }); |
| 41 | + |
| 42 | + describe("deserializeCloudPrompt", () => { |
| 43 | + it("round-trips with serializeCloudPrompt (text-only)", () => { |
| 44 | + const original = [{ type: "text" as const, text: "hello" }]; |
| 45 | + const serialized = serializeCloudPrompt(original); |
| 46 | + const deserialized = deserializeCloudPrompt(serialized); |
| 47 | + expect(deserialized).toEqual(original); |
| 48 | + }); |
| 49 | + |
| 50 | + it("round-trips with serializeCloudPrompt (multi-block)", () => { |
| 51 | + const original = [ |
| 52 | + { type: "text" as const, text: "read this" }, |
| 53 | + { |
| 54 | + type: "resource" as const, |
| 55 | + resource: { |
| 56 | + uri: "attachment://test.txt", |
| 57 | + text: "contents", |
| 58 | + mimeType: "text/plain", |
| 59 | + }, |
| 60 | + }, |
| 61 | + ]; |
| 62 | + const serialized = serializeCloudPrompt(original); |
| 63 | + const deserialized = deserializeCloudPrompt(serialized); |
| 64 | + expect(deserialized).toEqual(original); |
| 65 | + }); |
| 66 | + |
| 67 | + it("wraps plain string (no prefix) as a text block", () => { |
| 68 | + const result = deserializeCloudPrompt("just a plain message"); |
| 69 | + expect(result).toEqual([{ type: "text", text: "just a plain message" }]); |
| 70 | + }); |
| 71 | + |
| 72 | + it("returns empty array for empty string", () => { |
| 73 | + expect(deserializeCloudPrompt("")).toEqual([]); |
| 74 | + expect(deserializeCloudPrompt(" ")).toEqual([]); |
| 75 | + }); |
| 76 | + |
| 77 | + it("falls back to text block for malformed JSON after prefix", () => { |
| 78 | + const malformed = `${CLOUD_PROMPT_PREFIX}{not valid json`; |
| 79 | + const result = deserializeCloudPrompt(malformed); |
| 80 | + expect(result).toEqual([{ type: "text", text: malformed }]); |
| 81 | + }); |
| 82 | + |
| 83 | + it("falls back to text block for empty blocks array", () => { |
| 84 | + const payload = `${CLOUD_PROMPT_PREFIX}${JSON.stringify({ blocks: [] })}`; |
| 85 | + const result = deserializeCloudPrompt(payload); |
| 86 | + expect(result).toEqual([{ type: "text", text: payload }]); |
| 87 | + }); |
| 88 | + }); |
| 89 | + |
| 90 | + describe("promptBlocksToText", () => { |
| 91 | + it("extracts and joins text blocks", () => { |
| 92 | + const result = promptBlocksToText([ |
| 93 | + { type: "text", text: "hello " }, |
| 94 | + { |
| 95 | + type: "resource", |
| 96 | + resource: { |
| 97 | + uri: "attachment://f.txt", |
| 98 | + text: "ignored", |
| 99 | + mimeType: "text/plain", |
| 100 | + }, |
| 101 | + }, |
| 102 | + { type: "text", text: "world" }, |
| 103 | + ]); |
| 104 | + expect(result).toBe("hello world"); |
| 105 | + }); |
| 106 | + |
| 107 | + it("returns empty string for non-text blocks only", () => { |
| 108 | + expect( |
| 109 | + promptBlocksToText([ |
| 110 | + { |
| 111 | + type: "resource", |
| 112 | + resource: { |
| 113 | + uri: "attachment://f.txt", |
| 114 | + text: "content", |
| 115 | + mimeType: "text/plain", |
| 116 | + }, |
| 117 | + }, |
| 118 | + ]), |
| 119 | + ).toBe(""); |
| 120 | + }); |
| 121 | + |
| 122 | + it("returns empty string for empty array", () => { |
| 123 | + expect(promptBlocksToText([])).toBe(""); |
| 124 | + }); |
| 125 | + }); |
| 126 | +}); |
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