opencode/packages/core/test/session-logging.test.ts

import { describe, expect, test } from "bun:test"
import { Cause, Effect, Logger } from "effect"
import { logFailure } from "@opencode-ai/core/session/logging"
import { SessionSchema } from "@opencode-ai/core/session/schema"

describe("Session logging", () => {
  for (const message of ["Failed to drain Session", "Failed to wake Session"] as const) {
    test(`renders the cause for ${message}`, async () => {
      const entries: Array<ReturnType<typeof Logger.formatStructured.log>> = []
      const logger = Logger.formatStructured.pipe(
        Logger.map((entry): void => {
          entries.push(entry)
        }),
      )

      await logFailure(
        message,
        SessionSchema.ID.make("session-123"),
        Cause.fail({ _tag: "SessionFailure", detail: { code: "nested-code" } }),
      ).pipe(Effect.provide(Logger.layer([logger])), Effect.runPromise)

      expect(entries).toHaveLength(1)
      expect(entries[0]?.message).toBe(message)
      expect(entries[0]?.annotations).toEqual({ sessionID: "session-123" })
      expect(entries[0]?.cause).toContain("SessionFailure")
      expect(entries[0]?.cause).toContain("nested-code")
      expect(entries[0]?.cause).not.toContain("[Object")
    })
  }
})