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refactor(core): simplify event model (#33238)

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This commit is contained in:
Dax
2026-06-21 10:34:57 -04:00
committed by GitHub
parent ca006a2d20
commit fb43c15f88
15 changed files with 231 additions and 569 deletions
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packages/core/test/event.test.ts
+36 -79
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@@ -30,7 +30,7 @@ const Message = EventV2.define({
const SyncMessage = EventV2.define({
type: "test.sync",
sync: {
durable: {
version: 1,
aggregate: "id",
},
@@ -42,7 +42,7 @@ const SyncMessage = EventV2.define({
const SyncSent = EventV2.define({
type: "test.sent",
sync: {
durable: {
version: 1,
aggregate: "messageID",
},
@@ -61,7 +61,7 @@ const GlobalMessage = EventV2.define({
const VersionedMessage = EventV2.define({
type: "test.versioned",
sync: {
durable: {
version: 2,
aggregate: "id",
},
@@ -73,7 +73,7 @@ const VersionedMessage = EventV2.define({
const SyncTimestamp = EventV2.define({
type: "test.timestamp",
sync: {
durable: {
version: 1,
aggregate: "id",
},
@@ -132,7 +132,7 @@ describe("EventV2", () => {
const event = yield* events.publish(VersionedMessage, { id: "one", text: "hello" })
expect(event.type).toBe("test.versioned")
expect(event.version).toBe(2)
expect(event.durable?.version).toBe(2)
}),
)
@@ -146,12 +146,12 @@ describe("EventV2", () => {
Effect.sync(() => {
const latest = EventV2.define({
type: "test.out-of-order",
sync: { version: 2, aggregate: "id" },
durable: { version: 2, aggregate: "id" },
schema: { id: Schema.String },
})
EventV2.define({
type: "test.out-of-order",
sync: { version: 1, aggregate: "id" },
durable: { version: 1, aggregate: "id" },
schema: { id: Schema.String },
})
@@ -190,7 +190,7 @@ describe("EventV2", () => {
}),
)
it.effect("commits local operational state inside a new synchronized event transaction", () =>
it.effect("commits local operational state inside a new durable event transaction", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const received = new Array<string>()
@@ -207,7 +207,7 @@ describe("EventV2", () => {
}),
)
it.effect("rolls back the synchronized event and projector when the local commit fails", () =>
it.effect("rolls back the durable event and projector when the local commit fails", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const { db } = yield* Database.Service
@@ -236,7 +236,7 @@ describe("EventV2", () => {
const events = yield* EventV2.Service
const exit = yield* events.publish(Message, { text: "hello" }, { commit: () => Effect.void }).pipe(Effect.exit)
expect(String(exit)).toContain("Local commit hooks require a synchronized event")
expect(String(exit)).toContain("Local commit hooks require a durable event")
}),
)
@@ -290,7 +290,6 @@ describe("EventV2", () => {
Effect.gen(function* () {
const events = yield* EventV2.Service
const received = new Array<string>()
yield* events.sync(() => Effect.die("sync defect"))
yield* events.listen(() => {
throw new Error("listener defect")
})
@@ -303,7 +302,7 @@ describe("EventV2", () => {
const event = yield* events.publish(SyncMessage, { id: "one", text: "hello" })
expect(received).toEqual([SyncMessage.type])
expect(event.seq).toBeNumber()
expect(event.durable?.seq).toBeNumber()
}),
)
@@ -336,49 +335,7 @@ describe("EventV2", () => {
}),
)
it.effect("does not synchronize live-only events", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const synchronized = new Array<string>()
const unsubscribe = yield* events.sync((event) =>
Effect.sync(() => {
synchronized.push(event.type)
}),
)
yield* Effect.addFinalizer(() => unsubscribe)
yield* events.publish(Message, { text: "live only" })
yield* events.publish(SyncMessage, { id: "one", text: "durable" })
expect(synchronized).toEqual([SyncMessage.type])
}),
)
it.effect("synchronizes only after the durable event commits", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const { db } = yield* Database.Service
const synchronized = new Array<boolean>()
yield* events.sync((event) =>
db
.select({ id: EventTable.id })
.from(EventTable)
.where(eq(EventTable.id, event.id))
.get()
.pipe(
Effect.orDie,
Effect.map((row) => synchronized.push(row !== undefined)),
Effect.asVoid,
),
)
yield* events.publish(SyncMessage, { id: EventV2.ID.create(), text: "durable" })
expect(synchronized).toEqual([true])
}),
)
it.effect("inserts sync event rows on publish", () =>
it.effect("inserts durable event rows on publish", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const { db } = yield* Database.Service
@@ -398,7 +355,7 @@ describe("EventV2", () => {
}),
)
it.effect("increments sync event seq per aggregate", () =>
it.effect("increments durable event seq per aggregate", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const { db } = yield* Database.Service
@@ -417,22 +374,22 @@ describe("EventV2", () => {
}),
)
it.effect("replays durable aggregate events after a cursor and tails new events", () =>
it.effect("replays durable aggregate events after a sequence and tails new events", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const aggregateID = EventV2.ID.create()
yield* events.publish(SyncMessage, { id: aggregateID, text: "zero" })
yield* events.publish(SyncMessage, { id: aggregateID, text: "one" })
const fiber = yield* events
.aggregateEvents({ aggregateID, after: EventV2.Cursor.make(0) })
.durable({ aggregateID, after: 0 })
.pipe(Stream.take(2), Stream.runCollect, Effect.forkScoped)
yield* Effect.yieldNow
yield* events.publish(SyncMessage, { id: aggregateID, text: "two" })
expect(Array.from(yield* Fiber.join(fiber)).map((event) => [event.cursor, event.event.data])).toEqual([
[EventV2.Cursor.make(1), { id: aggregateID, text: "one" }],
[EventV2.Cursor.make(2), { id: aggregateID, text: "two" }],
expect(Array.from(yield* Fiber.join(fiber)).map((event) => [event.durable?.seq, event.data])).toEqual([
[1, { id: aggregateID, text: "one" }],
[2, { id: aggregateID, text: "two" }],
])
}),
)
@@ -443,19 +400,19 @@ describe("EventV2", () => {
const aggregateID = EventV2.ID.create()
yield* events.publish(SyncMessage, { id: aggregateID, text: "zero" })
const fiber = yield* events
.aggregateEvents({ aggregateID })
.durable({ aggregateID })
.pipe(Stream.take(2), Stream.runCollect, Effect.forkScoped)
yield* events.publish(SyncMessage, { id: aggregateID, text: "one" })
expect(
Array.from(yield* Fiber.join(fiber)).map((event) => [
event.cursor,
(event.event.data as { text: string }).text,
event.durable?.seq,
(event.data as { text: string }).text,
]),
).toEqual([
[EventV2.Cursor.make(0), "zero"],
[EventV2.Cursor.make(1), "one"],
[0, "zero"],
[1, "one"],
])
}),
)
@@ -477,7 +434,7 @@ describe("EventV2", () => {
const events = yield* EventV2.Service
const aggregateID = EventV2.ID.create()
const fiber = yield* events
.aggregateEvents({ aggregateID })
.durable({ aggregateID })
.pipe(Stream.take(1), Stream.runCollect, Effect.forkScoped)
yield* Deferred.await(readStarted)
@@ -485,8 +442,8 @@ describe("EventV2", () => {
yield* events.publish(SyncMessage, { id: aggregateID, text: "during handoff" })
yield* Deferred.succeed(continueRead, undefined)
expect(Array.from(yield* Fiber.join(fiber)).map((event) => [event.cursor, event.event.data])).toEqual([
[EventV2.Cursor.make(0), { id: aggregateID, text: "during handoff" }],
expect(Array.from(yield* Fiber.join(fiber)).map((event) => [event.durable?.seq, event.data])).toEqual([
[0, { id: aggregateID, text: "during handoff" }],
])
}).pipe(Effect.provide(Layer.mergeAll(database, eventLayer)))
}),
@@ -498,7 +455,7 @@ describe("EventV2", () => {
const aggregateID = EventV2.ID.create()
const count = 64
const fiber = yield* events
.aggregateEvents({ aggregateID })
.durable({ aggregateID })
.pipe(Stream.take(count), Stream.runCollect, Effect.forkScoped)
yield* Effect.yieldNow
@@ -506,9 +463,9 @@ describe("EventV2", () => {
yield* events.publish(SyncMessage, { id: aggregateID, text: String(index) })
}
expect(Array.from(yield* Fiber.join(fiber)).map((event) => [event.cursor, event.event.data])).toEqual(
expect(Array.from(yield* Fiber.join(fiber)).map((event) => [event.durable?.seq, event.data])).toEqual(
Array.from({ length: count }, (_, index) => [
EventV2.Cursor.make(index),
index,
{ id: aggregateID, text: String(index) },
]),
)
@@ -520,14 +477,14 @@ describe("EventV2", () => {
const events = yield* EventV2.Service
const aggregateID = EventV2.ID.create()
const fiber = yield* events
.aggregateEvents({ aggregateID })
.durable({ aggregateID })
.pipe(Stream.take(1), Stream.runCollect, Effect.forkScoped)
yield* Effect.yieldNow
yield* events.publish(Message, { text: "live only" })
yield* events.publish(SyncMessage, { id: aggregateID, text: "durable" })
expect(Array.from(yield* Fiber.join(fiber)).map((event) => event.event.type)).toEqual([SyncMessage.type])
expect(Array.from(yield* Fiber.join(fiber)).map((event) => event.type)).toEqual([SyncMessage.type])
}),
)
@@ -550,7 +507,7 @@ describe("EventV2", () => {
}),
)
it.effect("replays sync events through projectors", () =>
it.effect("replays durable events through projectors", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const received = new Array<EventV2.Payload>()
@@ -706,7 +663,7 @@ describe("EventV2", () => {
})
.pipe(Effect.exit)
expect(String(exit)).toContain("Unknown sync event type")
expect(String(exit)).toContain("Unknown durable event type")
}),
)
@@ -843,7 +800,7 @@ describe("EventV2", () => {
const replayed = {
id: published.id,
type: EventV2.versionedType(SyncMessage.type, 1),
seq: published.seq!,
seq: published.durable!.seq,
aggregateID,
data: published.data,
}
@@ -988,7 +945,7 @@ describe("EventV2", () => {
yield* events.replay(replayed, { publish: true })
yield* events.replay(replayed, { publish: true })
expect(received).toMatchObject([{ id: replayed.id, seq: 0, data: replayed.data }])
expect(received).toMatchObject([{ id: replayed.id, durable: { seq: 0, version: 1 }, data: replayed.data }])
}),
)
@@ -1110,7 +1067,7 @@ describe("EventV2", () => {
}),
)
it.effect("remove clears sync event sequence", () =>
it.effect("remove clears durable event sequence", () =>
Effect.gen(function* () {
const events = yield* EventV2.Service
const received = new Array<EventV2.Payload>()