File size: 4,562 Bytes
eb1202c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | import { describe, expect, test } from "bun:test"
import type { Message, Part } from "@opencode-ai/sdk/v2/client"
import { applyOptimisticAdd, applyOptimisticRemove, mergeOptimisticPage } from "./sync"
type Text = Extract<Part, { type: "text" }>
const userMessage = (id: string, sessionID: string, created = 1): Message => ({
id,
sessionID,
role: "user",
time: { created },
agent: "assistant",
model: { providerID: "openai", modelID: "gpt" },
})
const textPart = (id: string, sessionID: string, messageID: string): Text => ({
id,
sessionID,
messageID,
type: "text",
text: id,
})
describe("sync optimistic reducers", () => {
test("applyOptimisticAdd inserts by creation time", () => {
const sessionID = "ses_1"
const draft = {
message: { [sessionID]: [userMessage("msg_z", sessionID, 1)] },
part: {} as Record<string, Part[] | undefined>,
}
applyOptimisticAdd(draft, {
sessionID,
message: userMessage("msg_a", sessionID, 2),
parts: [textPart("prt_2", sessionID, "msg_a"), textPart("prt_1", sessionID, "msg_a")],
})
expect(draft.message[sessionID]?.map((x) => x.id)).toEqual(["msg_z", "msg_a"])
expect(draft.part.msg_a?.map((x) => x.id)).toEqual(["prt_1", "prt_2"])
})
test("applyOptimisticRemove removes message and part entries", () => {
const sessionID = "ses_1"
const draft = {
message: { [sessionID]: [userMessage("msg_1", sessionID), userMessage("msg_2", sessionID)] },
part: {
msg_1: [textPart("prt_1", sessionID, "msg_1")],
msg_2: [textPart("prt_2", sessionID, "msg_2")],
} as Record<string, Part[] | undefined>,
}
applyOptimisticRemove(draft, { sessionID, messageID: "msg_1" })
expect(draft.message[sessionID]?.map((x) => x.id)).toEqual(["msg_2"])
expect(draft.part.msg_1).toBeUndefined()
expect(draft.part.msg_2).toHaveLength(1)
})
test("mergeOptimisticPage keeps pending messages in fetched timelines", () => {
const sessionID = "ses_1"
const page = mergeOptimisticPage(
{
session: [userMessage("msg_z", sessionID, 1)],
part: [{ id: "msg_z", part: [textPart("prt_1", sessionID, "msg_z")] }],
complete: true,
},
[{ message: userMessage("msg_a", sessionID, 2), parts: [textPart("prt_2", sessionID, "msg_a")] }],
)
expect(page.session.map((x) => x.id)).toEqual(["msg_z", "msg_a"])
expect(page.part.find((x) => x.id === "msg_a")?.part.map((x) => x.id)).toEqual(["prt_2"])
expect(page.confirmed).toEqual([])
expect(page.complete).toBe(true)
})
test("mergeOptimisticPage uses IDs only to break equal-time ties", () => {
const sessionID = "ses_1"
const page = mergeOptimisticPage(
{
session: [userMessage("msg_z", sessionID, 1)],
part: [],
complete: true,
},
[{ message: userMessage("msg_a", sessionID, 1), parts: [] }],
)
expect(page.session.map((message) => message.id)).toEqual(["msg_a", "msg_z"])
})
test("mergeOptimisticPage keeps missing optimistic parts until the server has them", () => {
const sessionID = "ses_1"
const page = mergeOptimisticPage(
{
session: [userMessage("msg_2", sessionID)],
part: [{ id: "msg_2", part: [textPart("prt_2", sessionID, "msg_2")] }],
complete: true,
},
[
{
message: userMessage("msg_2", sessionID),
parts: [textPart("prt_1", sessionID, "msg_2"), textPart("prt_2", sessionID, "msg_2")],
},
],
)
expect(page.part.find((x) => x.id === "msg_2")?.part.map((x) => x.id)).toEqual(["prt_1", "prt_2"])
expect(page.confirmed).toEqual([])
})
test("mergeOptimisticPage confirms echoed messages once all parts arrive", () => {
const sessionID = "ses_1"
const page = mergeOptimisticPage(
{
session: [userMessage("msg_2", sessionID)],
part: [
{
id: "msg_2",
part: [{ ...textPart("prt_1", sessionID, "msg_2"), text: "server" }, textPart("prt_2", sessionID, "msg_2")],
},
],
complete: true,
},
[
{
message: userMessage("msg_2", sessionID),
parts: [textPart("prt_1", sessionID, "msg_2"), textPart("prt_2", sessionID, "msg_2")],
},
],
)
expect(page.confirmed).toEqual(["msg_2"])
expect(page.part.find((x) => x.id === "msg_2")?.part).toMatchObject([
{ id: "prt_1", type: "text", text: "server" },
{ id: "prt_2", type: "text", text: "prt_2" },
])
})
})
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