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import { describe, expect, test } from "bun:test"
import type { SnapshotFileDiff } from "@opencode-ai/sdk/v2"
import type { Message } from "@opencode-ai/sdk/v2/client"
import { diffs, message } from "./diffs"
const item = {
file: "src/app.ts",
patch: "@@ -1 +1 @@\n-old\n+new\n",
additions: 1,
deletions: 1,
status: "modified",
} satisfies SnapshotFileDiff
describe("diffs", () => {
test("keeps valid arrays", () => {
expect(diffs([item])).toEqual([item])
})
test("wraps a single diff object", () => {
expect(diffs(item)).toEqual([item])
})
test("reads keyed diff objects", () => {
expect(diffs({ a: item })).toEqual([item])
})
test("drops invalid entries", () => {
expect(
diffs([
item,
{ file: "src/bad.ts", additions: 1, deletions: 1 },
{ patch: item.patch, additions: 1, deletions: 1 },
]),
).toEqual([item])
})
})
describe("message", () => {
test("normalizes user summaries with object diffs", () => {
const input = {
id: "msg_1",
sessionID: "ses_1",
role: "user",
time: { created: 1 },
agent: "build",
model: { providerID: "openai", modelID: "gpt-5" },
summary: {
title: "Edit",
diffs: { a: item },
},
} as unknown as Message
expect(message(input)).toMatchObject({
summary: {
title: "Edit",
diffs: [item],
},
})
})
test("drops invalid user summaries", () => {
const input = {
id: "msg_1",
sessionID: "ses_1",
role: "user",
time: { created: 1 },
agent: "build",
model: { providerID: "openai", modelID: "gpt-5" },
summary: true,
} as unknown as Message
expect(message(input)).toMatchObject({ summary: undefined })
})
})
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