Files
operations/test/call.test.ts

1187 lines
36 KiB
TypeScript

import { describe, it, expect, vi } from "vitest";
import { PendingRequestMap, buildCallHandler } from "../src/call.js";
import { CallError, InfrastructureErrorCode } from "../src/error.js";
import { OperationRegistry } from "../src/registry.js";
import { Type } from "@alkdev/typebox";
import { OperationType } from "../src/types.js";
import type { Identity } from "../src/types.js";
import { localEnvelope, httpEnvelope, mcpEnvelope, isResponseEnvelope } from "../src/response-envelope.js";
import type { ResponseEnvelope } from "../src/response-envelope.js";
describe("PendingRequestMap", () => {
it("creates instance without event target", () => {
const map = new PendingRequestMap();
expect(map.getPendingCount()).toBe(0);
});
it("creates instance with event target", () => {
const target = new EventTarget();
const map = new PendingRequestMap(target);
expect(map.getPendingCount()).toBe(0);
});
it("call() resolves when respond() is called with a ResponseEnvelope", async () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", { value: "hello" });
setTimeout(() => {
const requestId = [...map["entries"].keys()][0];
map.respond(requestId, localEnvelope({ result: "world" }, "test.op"));
}, 10);
const result = await callPromise;
expect(isResponseEnvelope(result)).toBe(true);
expect(result.meta.source).toBe("local");
expect(result.data).toEqual({ result: "world" });
});
it("call() resolves with the full ResponseEnvelope", async () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", { value: "hello" });
const envelope = httpEnvelope({ status: "ok" }, {
statusCode: 200,
headers: { "content-type": "application/json" },
contentType: "application/json",
});
setTimeout(() => {
const requestId = [...map["entries"].keys()][0];
map.respond(requestId, envelope);
}, 10);
const result = await callPromise;
expect(result.meta.source).toBe("http");
expect(result.data).toEqual({ status: "ok" });
if (result.meta.source === "http") {
expect(result.meta.statusCode).toBe(200);
}
});
it("respond() throws when called with non-envelope value", () => {
const map = new PendingRequestMap();
expect(() => map.respond("req-1", { result: "world" } as any)).toThrow("ResponseEnvelope");
});
it("call() rejects when emitError() is called", async () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", { value: "hello" });
setTimeout(() => {
const requestId = [...map["entries"].keys()][0];
map.emitError(requestId, "CUSTOM_ERROR", "Something went wrong");
}, 10);
await expect(callPromise).rejects.toThrow("Something went wrong");
await expect(callPromise).rejects.toBeInstanceOf(CallError);
});
it("abort() rejects the pending call", async () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", { value: "hello" });
setTimeout(() => {
const requestId = [...map["entries"].keys()][0];
map.abort(requestId);
}, 10);
await expect(callPromise).rejects.toThrow("was aborted");
await expect(callPromise).rejects.toBeInstanceOf(CallError);
});
it("call() with deadline times out", async () => {
const map = new PendingRequestMap();
const deadline = Date.now() + 50;
const callPromise = map.call("test.op", { value: "hello" }, { deadline });
await expect(callPromise).rejects.toThrow("timed out");
await expect(callPromise).rejects.toBeInstanceOf(CallError);
});
it("tracks pending requests", () => {
const map = new PendingRequestMap();
map.call("test.op1", {});
map.call("test.op2", {});
expect(map.getPendingCount()).toBe(2);
});
it("cleans up after call resolves", async () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", { value: "hello" });
expect(map.getPendingCount()).toBe(1);
const requestId = [...map["entries"].keys()][0];
map.respond(requestId, localEnvelope({ result: "done" }, "test.op"));
await callPromise;
expect(map.getPendingCount()).toBe(0);
});
it("respond() throws when called with a non-envelope value", () => {
const map = new PendingRequestMap();
expect(() => map.respond("r1", { result: "raw" } as any)).toThrow(
"PendingRequestMap.respond() requires a ResponseEnvelope"
);
});
it("respond() throws when called with a null value", () => {
const map = new PendingRequestMap();
expect(() => map.respond("r1", null as any)).toThrow(
"PendingRequestMap.respond() requires a ResponseEnvelope"
);
});
it("respond() throws when called with a string value", () => {
const map = new PendingRequestMap();
expect(() => map.respond("r1", "raw string" as any)).toThrow(
"PendingRequestMap.respond() requires a ResponseEnvelope"
);
});
it("respond() accepts a localEnvelope", () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", {});
const requestId = [...map["entries"].keys()][0];
expect(() => map.respond(requestId, localEnvelope("data", "test.op"))).not.toThrow();
});
it("respond() accepts an httpEnvelope", () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", {});
const requestId = [...map["entries"].keys()][0];
expect(() => map.respond(requestId, httpEnvelope("data", {
statusCode: 200,
headers: {},
contentType: "text/plain",
}))).not.toThrow();
});
it("respond() accepts an mcpEnvelope", () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", {});
const requestId = [...map["entries"].keys()][0];
expect(() => map.respond(requestId, mcpEnvelope("data", {
isError: false,
content: [],
}))).not.toThrow();
});
it("call() returns Promise<ResponseEnvelope>", async () => {
const map = new PendingRequestMap();
const callPromise = map.call("test.op", { value: "hello" });
setTimeout(() => {
const requestId = [...map["entries"].keys()][0];
map.respond(requestId, localEnvelope(42, "test.op"));
}, 10);
const result = await callPromise;
expect(isResponseEnvelope(result)).toBe(true);
expect(result.data).toBe(42);
expect(result.meta.source).toBe("local");
});
});
describe("CallHandler", () => {
function makeRegistry(ops?: Array<Record<string, unknown>>) {
const registry = new OperationRegistry();
registry.register({
name: "echo",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "echo op",
inputSchema: Type.Object({ value: Type.String() }),
outputSchema: Type.Object({ value: Type.String() }),
accessControl: { requiredScopes: [] },
handler: async (input: unknown) => ({ value: (input as { value: string }).value }),
});
registry.register({
name: "voidOp",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "void op",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
handler: async () => undefined,
});
registry.register({
name: "guarded",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "guarded op",
inputSchema: Type.Object({}),
outputSchema: Type.Object({ ok: Type.Boolean() }),
accessControl: {
requiredScopes: [],
resourceType: "project",
resourceAction: "read",
},
handler: async () => ({ ok: true }),
});
registry.register({
name: "open",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "open op",
inputSchema: Type.Object({}),
outputSchema: Type.Object({ ok: Type.Boolean() }),
accessControl: { requiredScopes: [] },
handler: async () => ({ ok: true }),
});
if (ops) {
for (const op of ops) {
registry.register(op as any);
}
}
return registry;
}
it("wraps handler return value in localEnvelope and publishes call.responded", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.echo", { value: "hello" });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.echo",
input: { value: "hello" },
});
const result = await callPromise;
expect(result.meta.source).toBe("local");
if (result.meta.source === "local") {
expect(result.meta.operationId).toBe("test.echo");
expect(typeof result.meta.timestamp).toBe("number");
}
expect(result.data).toEqual({ value: "hello" });
});
it("wraps undefined handler return value and publishes call.responded", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.voidOp", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.voidOp",
input: {},
});
const result = await callPromise;
expect(result.meta.source).toBe("local");
if (result.meta.source === "local") {
expect(result.meta.operationId).toBe("test.voidOp");
}
expect(result.data).toBeUndefined();
});
it("passes through a pre-built ResponseEnvelope from handler", async () => {
const registry = new OperationRegistry();
const mcpResult = mcpEnvelope({ structured: true }, {
isError: false,
content: [{ type: "text" as const, text: "result" }],
structuredContent: { structured: true },
});
registry.register({
name: "mcpOp",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "mcp op",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
handler: async () => mcpResult,
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.mcpOp", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.mcpOp",
input: {},
});
const result = await callPromise;
expect(result.meta.source).toBe("mcp");
expect(result.data).toEqual({ structured: true });
});
it("passes through httpEnvelope from handler", async () => {
const registry = new OperationRegistry();
const httpResult = httpEnvelope({ items: [1, 2, 3] }, {
statusCode: 200,
headers: { "content-type": "application/json" },
contentType: "application/json",
});
registry.register({
name: "httpOp",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "http op",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
handler: async () => httpResult,
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.httpOp", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.httpOp",
input: {},
});
const result = await callPromise;
expect(result.meta.source).toBe("http");
if (result.meta.source === "http") {
expect(result.meta.statusCode).toBe(200);
}
expect(result.data).toEqual({ items: [1, 2, 3] });
});
it("publishes call.error when handler throws", async () => {
const registry = new OperationRegistry();
registry.register({
name: "throws",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "throws op",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
handler: async () => { throw new Error("handler failed"); },
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.throws", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.throws",
input: {},
});
await expect(callPromise).rejects.toThrow("handler failed");
});
it("publishes call.error with CallError when handler throws CallError", async () => {
const registry = new OperationRegistry();
registry.register({
name: "throwsCallError",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "throws call error",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
handler: async () => {
throw new CallError("CUSTOM_CODE", "custom error message", { detail: "info" });
},
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.throwsCallError", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.throwsCallError",
input: {},
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe("CUSTOM_CODE");
expect((error as CallError).message).toBe("custom error message");
}
});
it("publishes call.error when operation not found", async () => {
const registry = new OperationRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.nonexistent", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.nonexistent",
input: {},
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe(InfrastructureErrorCode.OPERATION_NOT_FOUND);
}
});
it("publishes call.error when handler not registered", async () => {
const registry = new OperationRegistry();
registry.registerSpec({
name: "noHandler",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "op without handler",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.noHandler", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.noHandler",
input: {},
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe(InfrastructureErrorCode.OPERATION_NOT_FOUND);
}
});
it("publishes call.error on access denied", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = { id: "user1", scopes: [] };
const callPromise = callMap.call("test.guarded", {}, { identity });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.guarded",
input: {},
identity,
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe(InfrastructureErrorCode.ACCESS_DENIED);
}
});
it("publishes call.error for unknown operations with mapError defaults", async () => {
const registry = new OperationRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.nonexistent", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.nonexistent",
input: {},
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe(InfrastructureErrorCode.OPERATION_NOT_FOUND);
}
});
it("applies Value.Cast normalization via execute()", async () => {
const registry = new OperationRegistry();
registry.register({
name: "defaultsFields",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "op with default fields",
inputSchema: Type.Object({}),
outputSchema: Type.Object({ name: Type.String(), count: Type.Number({ default: 0 }) }),
accessControl: { requiredScopes: [] },
handler: async () => ({ name: "test" }),
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.defaultsFields", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.defaultsFields",
input: {},
});
const result = await callPromise;
expect(result.data).toEqual({ name: "test", count: 0 });
});
it("does not normalize with Value.Cast when outputSchema is Unknown", async () => {
const registry = new OperationRegistry();
registry.register({
name: "unknownOutput",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "op with unknown output",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
handler: async () => ({ name: "test", extra: "field" }),
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.unknownOutput", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.unknownOutput",
input: {},
});
const result = await callPromise;
expect(result.data).toEqual({ name: "test", extra: "field" });
});
it("maps errors using spec errorSchemas", async () => {
const registry = new OperationRegistry();
registry.register({
name: "customError",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "op with custom errors",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
errorSchemas: [
{ code: "NOT_FOUND", description: "Item not found", schema: Type.Object({ id: Type.String() }) },
],
handler: async () => { throw new Error("NOT_FOUND: item 42"); },
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const callPromise = callMap.call("test.customError", {});
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.customError",
input: {},
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe("NOT_FOUND");
expect((error as CallError).message).toBe("NOT_FOUND: item 42");
}
});
});
describe("checkAccess resource access control", () => {
function makeRegistry(accessControlOverrides: Record<string, unknown> = {}) {
const registry = new OperationRegistry();
registry.register({
name: "guarded",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "guarded op",
inputSchema: Type.Object({}),
outputSchema: Type.Object({ ok: Type.Boolean() }),
accessControl: {
requiredScopes: [],
resourceType: "project",
resourceAction: "read",
...accessControlOverrides,
},
handler: async () => ({ ok: true }),
});
registry.register({
name: "open",
namespace: "test",
version: "1.0.0",
type: OperationType.QUERY,
description: "open op",
inputSchema: Type.Object({}),
outputSchema: Type.Object({ ok: Type.Boolean() }),
accessControl: {
requiredScopes: [],
},
handler: async () => ({ ok: true }),
});
return registry;
}
it("denies access when resourceType/resourceAction are set and identity.resources is undefined", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = { id: "user1", scopes: [] };
const callPromise = callMap.call("test.guarded", {}, { identity });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.guarded",
input: {},
identity,
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe(InfrastructureErrorCode.ACCESS_DENIED);
}
});
it("denies access when resourceType/resourceAction are set and identity.resources is empty", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = { id: "user1", scopes: [], resources: {} };
const callPromise = callMap.call("test.guarded", {}, { identity });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.guarded",
input: {},
identity,
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe(InfrastructureErrorCode.ACCESS_DENIED);
}
});
it("denies access when identity.resources has no matching resource type", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = {
id: "user1",
scopes: [],
resources: { "document:abc": ["read"] },
};
const callPromise = callMap.call("test.guarded", {}, { identity });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.guarded",
input: {},
identity,
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe(InfrastructureErrorCode.ACCESS_DENIED);
}
});
it("denies access when identity.resources has matching type but wrong action", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = {
id: "user1",
scopes: [],
resources: { "project:abc": ["write"] },
};
const callPromise = callMap.call("test.guarded", {}, { identity });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.guarded",
input: {},
identity,
});
try {
await callPromise;
expect.fail("Should have thrown");
} catch (error) {
expect(error).toBeInstanceOf(CallError);
expect((error as CallError).code).toBe(InfrastructureErrorCode.ACCESS_DENIED);
}
});
it("grants access when identity.resources has matching type and action", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = {
id: "user1",
scopes: [],
resources: { "project:abc": ["read"] },
};
const callPromise = callMap.call("test.guarded", {}, { identity });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.guarded",
input: {},
identity,
});
const result = await callPromise;
expect(result.data).toEqual({ ok: true });
});
it("grants access when neither resourceType nor resourceAction are set", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = { id: "user1", scopes: [] };
const callPromise = callMap.call("test.open", {}, { identity });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.open",
input: {},
identity,
});
const result = await callPromise;
expect(result.data).toEqual({ ok: true });
});
it("grants access when identity.resources matches and identity has no scopes required", async () => {
const registry = makeRegistry();
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = {
id: "user1",
scopes: ["some:scope"],
resources: { "project:xyz": ["read", "write"] },
};
const callPromise = callMap.call("test.guarded", {}, { identity });
await handler({
requestId: [...callMap["entries"].keys()][0],
operationId: "test.guarded",
input: {},
identity,
});
const result = await callPromise;
expect(result.data).toEqual({ ok: true });
});
});
describe("PendingRequestMap.subscribe()", () => {
it("yields each envelope from call.responded events", async () => {
const map = new PendingRequestMap();
const subscribeIter = map.subscribe("test.stream", { filter: "all" });
const results: ResponseEnvelope[] = [];
const consumePromise = (async () => {
for await (const envelope of subscribeIter) {
results.push(envelope);
if (results.length === 3) break;
}
})();
await new Promise((r) => setTimeout(r, 20));
const requestId = [...map["entries"].keys()][0];
map.respond(requestId, localEnvelope({ event: 1 }, "test.stream"));
map.respond(requestId, localEnvelope({ event: 2 }, "test.stream"));
map.respond(requestId, localEnvelope({ event: 3 }, "test.stream"));
await consumePromise;
expect(results).toHaveLength(3);
expect(results[0].data).toEqual({ event: 1 });
expect(results[1].data).toEqual({ event: 2 });
expect(results[2].data).toEqual({ event: 3 });
expect(results[0].meta.source).toBe("local");
});
it("publishes call.aborted when consumer stops iterating", async () => {
const map = new PendingRequestMap();
const subscribeIter = map.subscribe("test.stream", {});
let abortedReceived = false;
const abortedIter = map["pubsub"].subscribe("call.aborted", "");
(async () => {
for await (const envelope of abortedIter) {
abortedReceived = true;
}
})();
const results: ResponseEnvelope[] = [];
const consumePromise = (async () => {
for await (const envelope of subscribeIter) {
results.push(envelope);
if (results.length === 1) break;
}
})();
await new Promise((r) => setTimeout(r, 20));
const requestId = [...map["entries"].keys()][0];
map.respond(requestId, localEnvelope("first", "test.stream"));
await consumePromise;
await new Promise((r) => setTimeout(r, 20));
expect(abortedReceived).toBe(true);
});
it("throws CallError when call.error event arrives", async () => {
const map = new PendingRequestMap();
const subscribeIter = map.subscribe("test.failing", {});
let caughtError: unknown;
const consumePromise = (async () => {
try {
for await (const _ of subscribeIter) {
// should not reach
}
} catch (error) {
caughtError = error;
}
})();
await new Promise((r) => setTimeout(r, 20));
const requestId = [...map["entries"].keys()][0];
map.emitError(requestId, "CUSTOM_ERROR", "Subscription failed");
await consumePromise;
expect(caughtError).toBeInstanceOf(CallError);
expect((caughtError as CallError).code).toBe("CUSTOM_ERROR");
});
it("closes iterator on call.aborted event", async () => {
const map = new PendingRequestMap();
const subscribeIter = map.subscribe("test.stream", {});
let iterationCompleted = false;
const consumePromise = (async () => {
for await (const _ of subscribeIter) {
// will receive abort
}
iterationCompleted = true;
})();
await new Promise((r) => setTimeout(r, 20));
const requestId = [...map["entries"].keys()][0];
const entry = map["entries"].get(requestId);
expect(entry).toBeDefined();
expect(entry!.type).toBe("subscribe");
map["pubsub"].publish("call.aborted", "", { requestId });
await consumePromise;
expect(iterationCompleted).toBe(true);
});
it("times out on idle timeout", async () => {
const map = new PendingRequestMap();
const idleTimeout = 80;
const subscribeIter = map.subscribe("test.slow", {}, { idleTimeout });
let caughtError: unknown;
const consumePromise = (async () => {
try {
for await (const _ of subscribeIter) {
// should not receive any events
}
} catch (error) {
caughtError = error;
}
})();
await consumePromise;
expect(caughtError).toBeInstanceOf(CallError);
expect((caughtError as CallError).code).toBe(InfrastructureErrorCode.TIMEOUT);
});
it("resets idle timeout on each envelope", async () => {
const map = new PendingRequestMap();
const idleTimeout = 150;
const subscribeIter = map.subscribe("test.heartbeat", {}, { idleTimeout });
const results: ResponseEnvelope[] = [];
const consumePromise = (async () => {
for await (const envelope of subscribeIter) {
results.push(envelope);
if (results.length === 3) break;
}
})();
await new Promise((r) => setTimeout(r, 20));
const requestId = [...map["entries"].keys()][0];
await new Promise((r) => setTimeout(r, 50));
map.respond(requestId, localEnvelope("event1", "test.heartbeat"));
await new Promise((r) => setTimeout(r, 50));
map.respond(requestId, localEnvelope("event2", "test.heartbeat"));
await new Promise((r) => setTimeout(r, 50));
map.respond(requestId, localEnvelope("event3", "test.heartbeat"));
await consumePromise;
expect(results).toHaveLength(3);
expect(results[0].data).toBe("event1");
expect(results[1].data).toBe("event2");
expect(results[2].data).toBe("event3");
});
it("abort() closes subscription iterator", async () => {
const map = new PendingRequestMap();
const subscribeIter = map.subscribe("test.stream", {});
let iterationCompleted = false;
const consumePromise = (async () => {
for await (const _ of subscribeIter) {
// will receive abort
}
iterationCompleted = true;
})();
await new Promise((r) => setTimeout(r, 20));
const requestId = [...map["entries"].keys()][0];
map.abort(requestId);
await consumePromise;
expect(iterationCompleted).toBe(true);
});
it("tracks subscribe entries in pending count", async () => {
const map = new PendingRequestMap();
const subscribeIter = map.subscribe("test.stream", {});
const consumePromise = (async () => {
for await (const _ of subscribeIter) {
break;
}
})();
await new Promise((r) => setTimeout(r, 30));
expect(map.getPendingCount()).toBe(1);
const requestId = [...map["entries"].keys()][0];
map.abort(requestId);
await new Promise((r) => setTimeout(r, 20));
await consumePromise;
expect(map.getPendingCount()).toBe(0);
});
it("subscribe without idleTimeout never times out", async () => {
const map = new PendingRequestMap();
const subscribeIter = map.subscribe("test.persistent", {});
let eventCount = 0;
const consumePromise = (async () => {
for await (const _ of subscribeIter) {
eventCount++;
if (eventCount >= 1) break;
}
})();
await new Promise((r) => setTimeout(r, 50));
const requestId = [...map["entries"].keys()][0];
map.respond(requestId, localEnvelope("event", "test.persistent"));
await consumePromise;
expect(eventCount).toBe(1);
});
it("call() with past deadline times out immediately", async () => {
const map = new PendingRequestMap();
const deadline = Date.now() - 100;
const callPromise = map.call("test.op", { value: "hello" }, { deadline });
await expect(callPromise).rejects.toThrow("timed out");
await expect(callPromise).rejects.toBeInstanceOf(CallError);
});
});
describe("CallHandler SUBSCRIPTION dispatch", () => {
it("dispatches SUBSCRIPTION operations to subscribe()", async () => {
const registry = new OperationRegistry();
registry.register({
name: "events",
namespace: "test",
version: "1.0.0",
type: OperationType.SUBSCRIPTION,
description: "event stream",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: [] },
handler: async function* (_input: unknown, _context: unknown) {
yield "event1";
yield "event2";
},
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const subscribeIter = callMap.subscribe("test.events", {});
const results: ResponseEnvelope[] = [];
const consumePromise = (async () => {
for await (const envelope of subscribeIter) {
results.push(envelope);
if (results.length === 2) break;
}
})();
await new Promise((r) => setTimeout(r, 20));
const requestId = [...callMap["entries"].keys()][0];
await handler({
requestId,
operationId: "test.events",
input: {},
});
await consumePromise;
expect(results).toHaveLength(2);
expect(results[0].data).toBe("event1");
expect(results[0].meta.source).toBe("local");
expect(results[1].data).toBe("event2");
});
it("publishes call.error for SUBSCRIPTION access denied", async () => {
const registry = new OperationRegistry();
registry.register({
name: "guarded",
namespace: "test",
version: "1.0.0",
type: OperationType.SUBSCRIPTION,
description: "guarded sub",
inputSchema: Type.Object({}),
outputSchema: Type.Unknown(),
accessControl: { requiredScopes: ["admin"] },
handler: async function* (_input: unknown, _context: unknown) {
yield "secret";
},
});
const callMap = new PendingRequestMap();
const handler = buildCallHandler({ registry, callMap });
const identity: Identity = { id: "user1", scopes: [] };
const subscribeIter = callMap.subscribe("test.guarded", {}, { identity });
let caughtError: unknown;
const consumePromise = (async () => {
try {
for await (const _ of subscribeIter) {
// should not reach
}
} catch (error) {
caughtError = error;
}
})();
await new Promise((r) => setTimeout(r, 20));
const requestId = [...callMap["entries"].keys()][0];
await handler({
requestId,
operationId: "test.guarded",
input: {},
identity,
});
await consumePromise;
expect(caughtError).toBeInstanceOf(CallError);
expect((caughtError as CallError).code).toBe(InfrastructureErrorCode.ACCESS_DENIED);
});
});