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feat(core): deterministic session log replay with synced watermark (#35040)

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Kit Langton 2026-07-02 21:38:20 -04:00 • committed by GitHub
commit 57e9e9771d
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16 changed files with 205 additions and 87 deletions
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15
packages/schema/test/event.test.ts
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@ -1,6 +1,7 @@
import { describe, expect, test } from "bun:test"
import { Schema } from "effect"
import { Event } from "../src/event.js"
import { EventLog } from "../src/event-log.js"
describe("public event schemas", () => {
test("definition is pure", () => {
@ -34,4 +35,18 @@ describe("public event schemas", () => {
expect(Event.durable([definition]).get("test.durable.1")).toBe(definition)
})
test("synced marker encodes the captured watermark", () => {
expect(
Schema.encodeSync(EventLog.Synced)({
type: "log.synced",
aggregateID: "ses_test",
seq: Event.Seq.make(1),
}),
).toEqual({ type: "log.synced", aggregateID: "ses_test", seq: 1 })
expect(Schema.encodeSync(EventLog.Synced)({ type: "log.synced", aggregateID: "ses_test" })).toEqual({
type: "log.synced",
aggregateID: "ses_test",
})
})
})