Files
clean-architecture-frontend…/tests/component/application-mutation-admission.test.tsx
T

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TypeScript

// @vitest-environment jsdom
import { act, renderHook, waitFor } from "@testing-library/react";
import { describe, expect, it, vi } from "vitest";
import {
type ApplicationResult,
useApplicationMutation,
} from "../../src/presentation/adapters/query/application-query.ts";
import type { MutationIntentFactory } from "../../src/application/ports/mutation-intent-factory.ts";
import {
RESOURCE_INVALIDATION_TOPIC,
deterministicMutationIntentFactory,
queryClient,
scopeSnapshot,
wrapper,
} from "./application-query-fixture.tsx";
describe("application mutation intent admission", () => {
it("retains optimistic data when execute throws after dispatch begins", async () => {
const client = queryClient();
const key = ["resource", "thrown-unknown-effect"];
client.setQueryData(key, ["base"]);
const hook = renderHook(
() =>
useApplicationMutation<string, string>({
execute: async () => {
throw new Error("private transport defect");
},
currentData: client.getQueryData(key),
optimistic: {
queryKey: key,
update: (previous, input) => [
...(previous as string[]),
input,
],
},
}),
{ wrapper: wrapper(client) },
);
let outcome: ApplicationResult<string> | undefined;
await act(async () => {
outcome = await hook.result.current.submit("created");
});
expect(outcome).toMatchObject({
ok: false,
error: {
effect: "MAYBE_APPLIED",
retryable: false,
action: "contact-support",
},
});
expect(JSON.stringify(outcome)).not.toContain("private transport defect");
expect(client.getQueryData(key)).toEqual(["base", "created"]);
expect(hook.result.current.state.indicator).toBe(
"mutation-effect-unknown",
);
});
it("creates a distinct logical intent for each independently admitted submit", async () => {
const client = queryClient();
const scope = scopeSnapshot();
const observedIntents: unknown[] = [];
const execute = vi.fn(
async (
input: string,
context: Readonly<{ signal: AbortSignal; intent?: unknown }>,
) => {
observedIntents.push(context.intent);
return { ok: true as const, value: input };
},
);
const hook = renderHook(
() =>
useApplicationMutation<string, string>({
definitionId: "independent-intent-v1",
definitionVersion: 1,
operationId: "CREATE_WITH_INTENT",
requiresIdempotencyKey: true,
owner: "platform-test",
duplicatePolicy: "ALLOW_PARALLEL",
scope,
execute,
invalidate: [],
}),
{ wrapper: wrapper(client) },
);
await act(async () => {
await hook.result.current.submit("same-input");
await hook.result.current.submit("same-input");
});
expect(observedIntents).toHaveLength(2);
expect(observedIntents[0]).toMatchObject({
intentId: "intent-1",
operationId: "CREATE_WITH_INTENT",
idempotencyKey: "key-1",
});
expect(observedIntents[1]).toMatchObject({
intentId: "intent-2",
operationId: "CREATE_WITH_INTENT",
idempotencyKey: "key-2",
});
expect(observedIntents[0]).not.toEqual(observedIntents[1]);
});
it("creates no second intent when JOIN_IDENTICAL shares an admitted submit", async () => {
const client = queryClient();
const scope = scopeSnapshot();
const deterministicFactory = deterministicMutationIntentFactory();
const createIntent = vi.fn(deterministicFactory.create);
const factory: MutationIntentFactory = Object.freeze({
create: createIntent,
});
let complete: (value: ApplicationResult<string>) => void = () => {};
const execute = vi.fn(
() =>
new Promise<ApplicationResult<string>>((resolve) => {
complete = resolve;
}),
);
const hook = renderHook(
() =>
useApplicationMutation<string, string>({
definitionId: "joined-intent-v1",
definitionVersion: 1,
operationId: "CREATE_JOINED",
requiresIdempotencyKey: true,
owner: "platform-test",
duplicatePolicy: "JOIN_IDENTICAL",
scope,
execute,
invalidate: [],
}),
{ wrapper: wrapper(client, factory) },
);
let first: Promise<ApplicationResult<string>> | null = null;
let joined: Promise<ApplicationResult<string>> | null = null;
act(() => {
first = hook.result.current.submit("same-input");
joined = hook.result.current.submit("same-input");
});
expect(first).toBe(joined);
await waitFor(() => expect(execute).toHaveBeenCalledOnce());
expect(createIntent).toHaveBeenCalledOnce();
expect(createIntent).toHaveBeenCalledWith({
operationId: "CREATE_JOINED",
canonicalInputIdentity:
"scope-fingerprint-0001:joined-intent-v1:scope-identity-token-0001",
requiresIdempotencyKey: true,
});
complete({ ok: true, value: "same-input" });
if (!first) throw new Error("expected admitted mutation");
await act(() => first);
});
it("keeps the legacy raw mutation path outside the intent factory", async () => {
const client = queryClient();
const createIntent = vi.fn<MutationIntentFactory["create"]>();
const factory: MutationIntentFactory = Object.freeze({
create: createIntent,
});
const execute = vi.fn(async (input: string) => ({
ok: true as const,
value: input,
}));
const hook = renderHook(
() =>
useApplicationMutation<string, string>({
definitionId: "legacy-raw-path-v1",
execute,
}),
{ wrapper: wrapper(client, factory) },
);
await act(() => hook.result.current.submit("legacy-input"));
expect(execute).toHaveBeenCalledOnce();
expect(createIntent).not.toHaveBeenCalled();
});
it("rejects a duplicate submit by default while one is active", async () => {
const client = queryClient();
let complete: (value: ApplicationResult<string>) => void = () => {};
const execute = vi.fn(
() =>
new Promise<ApplicationResult<string>>((resolve) => {
complete = resolve;
}),
);
const hook = renderHook(
() =>
useApplicationMutation<string, string>({
definitionId: "legacy-duplicate-rejection-v1",
execute,
}),
{ wrapper: wrapper(client) },
);
let first: Promise<ApplicationResult<string>> | null = null;
let duplicate: Promise<ApplicationResult<string>> | null = null;
act(() => {
first = hook.result.current.submit("created");
duplicate = hook.result.current.submit("created");
});
if (!first || !duplicate) throw new Error("expected two submissions");
await expect(duplicate).resolves.toMatchObject({
ok: false,
error: { kind: "DUPLICATE_IN_FLIGHT" },
});
expect(execute).toHaveBeenCalledOnce();
complete({ ok: true, value: "created" });
await act(() => first as Promise<ApplicationResult<string>>);
});
it("deduplicates submit and commits one optimistic mutation", async () => {
const client = queryClient();
const key = ["resource", "list"];
client.setQueryData(key, ["existing"]);
let complete: (value: ApplicationResult<string>) => void = () => {};
const execute = vi.fn(
() =>
new Promise<ApplicationResult<string>>((resolve) => {
complete = resolve;
}),
);
const hook = renderHook(
() =>
useApplicationMutation<string, string>({
// §11.2: joining is opt-in. The default is REJECT_WHILE_ACTIVE.
duplicatePolicy: "JOIN_IDENTICAL",
execute,
invalidate: [RESOURCE_INVALIDATION_TOPIC],
currentData: client.getQueryData(key),
optimistic: {
queryKey: key,
update: (previous, input) => [
...(previous as string[]),
input,
],
},
}),
{ wrapper: wrapper(client) },
);
let first: Promise<ApplicationResult<string>> | null = null;
let duplicate: Promise<ApplicationResult<string>> | null = null;
act(() => {
first = hook.result.current.submit("created");
duplicate = hook.result.current.submit("created");
});
expect(first).toBe(duplicate);
await waitFor(() =>
expect(client.getQueryData(key)).toEqual(["existing", "created"]),
);
await waitFor(() => expect(execute).toHaveBeenCalledOnce());
await waitFor(() =>
expect(hook.result.current.state.indicator).toBe("mutation-pending"),
);
complete({ ok: true, value: "created" });
if (!first) throw new Error("expected pending mutation");
await act(() => first);
expect(client.getQueryState(key)?.isInvalidated).toBe(true);
await waitFor(() =>
expect(hook.result.current.state.indicator).toBeNull(),
);
});
it("never joins distinct mutation inputs to the same runtime promise", async () => {
const client = queryClient();
const resolvers = new Map<
string,
(value: ApplicationResult<string>) => void
>();
const execute = vi.fn(
(input: string) =>
new Promise<ApplicationResult<string>>((resolve) => {
resolvers.set(input, resolve);
}),
);
const hook = renderHook(
() =>
useApplicationMutation<string, string>({
definitionId: "legacy-parallel-distinct-inputs-v1",
execute,
currentData: true,
}),
{ wrapper: wrapper(client) },
);
let first: Promise<ApplicationResult<string>> | undefined;
let second: Promise<ApplicationResult<string>> | undefined;
act(() => {
first = hook.result.current.submit("first");
second = hook.result.current.submit("second");
});
expect(first).not.toBe(second);
await waitFor(() => expect(execute).toHaveBeenCalledTimes(2));
resolvers.get("first")?.({ ok: true, value: "first" });
resolvers.get("second")?.({ ok: true, value: "second" });
if (!first || !second) throw new Error("expected pending mutations");
await act(async () => {
await Promise.all([first, second]);
});
});
});