openAgent

1import { expect, test } from "bun:test"
2import { SessionCompaction } from "@opencode-ai/core/session/compaction"
3 
4test("compaction prompt preserves detailed work state and relevant files", () => {
5  const prompt = SessionCompaction.buildPrompt({ context: ["conversation history"] })
6 
7  expect(prompt).toStartWith(
8    "Here is the conversation so far:\n\n<conversation>\nconversation history\n</conversation>",
9  )
10  expect(prompt.indexOf("</conversation>")).toBeLessThan(prompt.indexOf("Create a new anchored summary"))
11  expect(prompt).toContain("conversation history in the <conversation> tags above")
12  expect(prompt).toContain("## Work State\n### Completed")
13  expect(prompt).toContain("### Active")
14  expect(prompt).toContain("### Blocked")
15  expect(prompt).toContain("## Relevant Files")
16})
17 
18test("compaction prompt gives update instructions for a prior summary", () => {
19  const prompt = SessionCompaction.buildPrompt({
20    context: ["new conversation"],
21    previousSummary: "existing summary",
22  })
23 
24  expect(prompt.indexOf("<conversation>")).toBeLessThan(prompt.indexOf("<prior-summary>"))
25  expect(prompt.indexOf("</prior-summary>")).toBeLessThan(prompt.indexOf("The <prior-summary> summarizes"))
26  expect(prompt).toContain(
27    "Carry forward objectives, constraints, user directives, decisions, and parallel workstreams from the <prior-summary>",
28  )
29  expect(prompt).toContain('Move completed work from "Active" to "Completed".')
30  expect(prompt).toContain('Update "Objective" and "Next Move" to reflect the current work state.')
31})
32 
33test("compaction describes tool media without embedding base64", () => {
34  const base64 = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB"
35  const serialized = SessionCompaction.serializeToolContent([
36    { type: "text", text: "Image read successfully" },
37    {
38      type: "file",
39      uri: `data:image/png;base64,${base64}`,
40      mime: "image/png",
41      name: "pixel.png",
42    },
43  ])
44 
45  expect(serialized).toBe("Image read successfully\n[Attached image/png: pixel.png]")
46  expect(serialized).not.toContain(base64)
47})
48