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import type { SessionMessageInfo } from "@opencode-ai/client/promise"
import { normalizeSessionMessages } from "@/utils/session-message"
mock.module("@opencode-ai/session-ui/message-part", () => ({
renderable: () => true,
groupParts: (refs: Array<{ messageID: string; part: { id: string } }>) =>
refs.map((ref) => ({
type: "part" as const,
key: ref.part.id,
ref: { messageID: ref.messageID, partID: ref.part.id },
})),
}))
const { Timeline, TimelineRow } = await import("./rows")
describe("current session timeline rows", () => {
test("derives turns and tagged rows from chronological current messages", () => {
const source = [
{ id: "msg_1", type: "user", text: "first", time: { created: 1 } },
{
id: "msg_2",
type: "assistant",
agent: "build",
model: { id: "model", providerID: "provider" },
content: [{ type: "text", text: "answer" }],
time: { created: 2, completed: 3 },
},
{ id: "msg_3", type: "user", text: "second", time: { created: 4 } },
{
id: "msg_4",
type: "assistant",
agent: "build",
model: { id: "model", providerID: "provider" },
content: [{ type: "reasoning", text: "working" }],
time: { created: 5 },
},
] satisfies SessionMessageInfo[]
const normalized = normalizeSessionMessages("ses_1", source)
const messages = new Map(normalized.messages.map((message) => [message.id, message]))
const result = Timeline.constructSessionMessageRows(
source,
(messageID) => messages.get(messageID),
(messageID) => normalized.parts.get(messageID) ?? [],
true,
"busy",
true,
normalized.messages.filter((message) => message.role === "user"),
)
expect(result.activeMessageID).toBe("msg_3")
expect(result.rows.map(TimelineRow.key)).toEqual([
"user-message:msg_1",
"assistant-part:msg_1:msg_2:text:0",
"turn-gap:msg_3",
"user-message:msg_3",
"assistant-part:msg_3:msg_4:reasoning:0",
])
})
test("renders a current shell message as a standalone turn", () => {
const source = [
{
id: "msg_shell",
type: "shell",
shellID: "shell_1",
command: "pwd",
status: "exited",
exit: 0,
output: { output: "/repo", cursor: 5, size: 5, truncated: false },
time: { created: 1, completed: 2 },
},
] satisfies SessionMessageInfo[]
const normalized = normalizeSessionMessages("ses_1", source)
const messages = new Map(normalized.messages.map((message) => [message.id, message]))
const result = Timeline.constructSessionMessageRows(
source,
(messageID) => messages.get(messageID),
(messageID) => normalized.parts.get(messageID) ?? [],
true,
"idle",
true,
normalized.messages.filter((message) => message.role === "user"),
)
expect(result.activeMessageID).toBe("msg_shell")
expect(result.rows.map(TimelineRow.key)).toEqual([
"user-message:msg_shell",
"assistant-part:msg_shell:msg_shell:tool",
])
})
test("keeps a projected parent missing from the source page before newer turns", () => {
const source = [
{ id: "msg_user_1", type: "user", text: "first question", time: { created: 1 } },
{
id: "msg_assistant_1",
type: "assistant",
agent: "build",
model: { id: "model", providerID: "provider" },
content: [{ type: "text", text: "first answer" }],
time: { created: 2, completed: 3 },
},
{ id: "msg_user_2", type: "user", text: "second question", time: { created: 4 } },
{
id: "msg_assistant_2",
type: "assistant",
agent: "build",
model: { id: "model", providerID: "provider" },
content: [{ type: "text", text: "second answer" }],
time: { created: 5, completed: 6 },
},
] satisfies SessionMessageInfo[]
const normalized = normalizeSessionMessages("ses_1", source)
const messages = new Map(normalized.messages.map((message) => [message.id, message]))
const result = Timeline.constructSessionMessageRows(
source.slice(1),
(messageID) => messages.get(messageID),
(messageID) => normalized.parts.get(messageID) ?? [],
true,
"idle",
true,
normalized.messages.filter((message) => message.role === "user"),
)
expect(result.rows.map(TimelineRow.key)).toEqual([
"user-message:msg_user_1",
"assistant-part:msg_user_1:msg_assistant_1:text:0",
"turn-gap:msg_user_2",
"user-message:msg_user_2",
"assistant-part:msg_user_2:msg_assistant_2:text:0",
])
})
test("renders an optimistic user turn and thinking before the protocol message arrives", () => {
const source = [
{ id: "msg_z", type: "user", text: "existing", time: { created: 1 } },
] satisfies SessionMessageInfo[]
const normalized = normalizeSessionMessages("ses_1", source)
const optimistic = {
id: "msg_a",
sessionID: "ses_1",
role: "user" as const,
time: { created: 2 },
agent: "build",
model: { modelID: "model", providerID: "provider" },
}
const result = Timeline.constructSessionMessageRows(
source,
(messageID) =>
messageID === optimistic.id ? optimistic : normalized.messages.find((message) => message.id === messageID),
() => [],
true,
"busy",
true,
[...normalized.messages.filter((message) => message.role === "user"), optimistic],
)
expect(result.activeMessageID).toBe(optimistic.id)
expect(result.rows.map(TimelineRow.key)).toEqual([
"user-message:msg_z",
"turn-gap:msg_a",
"user-message:msg_a",
"thinking:msg_a",
])
})
test("removes a failed assistant error when the turn continues streaming", () => {
const source = [
{ id: "msg_user", type: "user", text: "recover", time: { created: 1 } },
{
id: "msg_failed",
type: "assistant",
agent: "build",
model: { id: "model", providerID: "provider" },
content: [],
error: { type: "ProviderError", message: "temporary failure" },
time: { created: 2, completed: 3 },
},
{
id: "msg_recovery",
type: "assistant",
agent: "build",
model: { id: "model", providerID: "provider" },
content: [{ type: "text", text: "streaming again" }],
time: { created: 4 },
},
] satisfies SessionMessageInfo[]
const normalized = normalizeSessionMessages("ses_1", source)
const messages = new Map(normalized.messages.map((message) => [message.id, message]))
const result = Timeline.constructSessionMessageRows(
source,
(messageID) => messages.get(messageID),
(messageID) => normalized.parts.get(messageID) ?? [],
true,
"busy",
true,
normalized.messages.filter((message) => message.role === "user"),
)
expect(result.rows.map((row) => row._tag)).toEqual(["UserMessage", "AssistantPart"])
})
})
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