Define TypeBox enum schemas (CallStatus, NodeStatus, OperationType, EdgeType) with Nullable helper

src/schema/enums.ts

@@ -1 +1,53 @@
-export {};
+import { Type, type Static, type TSchema } from "@alkdev/typebox";
+
+/**
+ * Call lifecycle states.
+ *
+ * Transitions:
+ * - `pending → running`: Handler starts executing
+ * - `running → completed`: `call.responded` + `call.completed` received
+ * - `running → failed`: `call.error` received
+ * - `pending → aborted`: `call.aborted` received before handler started
+ * - `running → aborted`: `call.aborted` received during execution
+ *
+ * `completed`, `failed`, and `aborted` are terminal states.
+ */
+export const CallStatusEnum = Type.Union([
+  Type.Literal("pending"),
+  Type.Literal("running"),
+  Type.Literal("completed"),
+  Type.Literal("failed"),
+  Type.Literal("aborted"),
+]);
+export type CallStatus = Static<typeof CallStatusEnum>;
+
+export const NodeStatusEnum = Type.Union([
+  Type.Literal("idle"),
+  Type.Literal("waiting"),
+  Type.Literal("ready"),
+  Type.Literal("running"),
+  Type.Literal("completed"),
+  Type.Literal("failed"),
+  Type.Literal("skipped"),
+  Type.Literal("aborted"),
+]);
+export type NodeStatus = Static<typeof NodeStatusEnum>;
+
+export const OperationTypeEnum = Type.Union([
+  Type.Literal("query"),
+  Type.Literal("mutation"),
+  Type.Literal("subscription"),
+]);
+export type OperationType = Static<typeof OperationTypeEnum>;
+
+export const EdgeTypeEnum = Type.Union([
+  Type.Literal("triggered"),
+  Type.Literal("depends_on"),
+  Type.Literal("typed"),
+  Type.Literal("sequential"),
+  Type.Literal("conditional"),
+]);
+export type EdgeType = Static<typeof EdgeTypeEnum>;
+
+export const Nullable = <T extends TSchema>(schema: T) =>
+  Type.Union([schema, Type.Null()]);

src/schema/index.ts

@@ -1 +1,11 @@
-export {};
+export {
+  CallStatusEnum,
+  type CallStatus,
+  NodeStatusEnum,
+  type NodeStatus,
+  OperationTypeEnum,
+  type OperationType,
+  EdgeTypeEnum,
+  type EdgeType,
+  Nullable,
+} from "./enums.js";

test/schema/enums.test.ts

@@ -1,7 +1,102 @@
-import { describe, it, expect } from 'vitest';
+import { describe, it, expect } from "vitest";
+import { Value } from "@alkdev/typebox/value";
+import {
+  CallStatusEnum,
+  NodeStatusEnum,
+  OperationTypeEnum,
+  EdgeTypeEnum,
+  Nullable,
+  type CallStatus,
+  type NodeStatus,
+  type OperationType,
+  type EdgeType,
+} from "../../src/schema/enums";
 
-describe('schema enums', () => {
-  it('placeholder', () => {
-    expect(true).toBe(true);
+describe("CallStatusEnum", () => {
+  const valid: CallStatus[] = [
+    "pending",
+    "running",
+    "completed",
+    "failed",
+    "aborted",
+  ];
+  it.each(valid)("accepts %s", (v) => {
+    expect(Value.Check(CallStatusEnum, v)).toBe(true);
   });
-});
+
+  it("rejects invalid values", () => {
+    expect(Value.Check(CallStatusEnum, "idle")).toBe(false);
+    expect(Value.Check(CallStatusEnum, "unknown")).toBe(false);
+    expect(Value.Check(CallStatusEnum, 42)).toBe(false);
+    expect(Value.Check(CallStatusEnum, null)).toBe(false);
+  });
+});
+
+describe("NodeStatusEnum", () => {
+  const valid: NodeStatus[] = [
+    "idle",
+    "waiting",
+    "ready",
+    "running",
+    "completed",
+    "failed",
+    "skipped",
+    "aborted",
+  ];
+  it.each(valid)("accepts %s", (v) => {
+    expect(Value.Check(NodeStatusEnum, v)).toBe(true);
+  });
+
+  it("rejects invalid values", () => {
+    expect(Value.Check(NodeStatusEnum, "pending")).toBe(false);
+    expect(Value.Check(NodeStatusEnum, "unknown")).toBe(false);
+    expect(Value.Check(NodeStatusEnum, 1)).toBe(false);
+  });
+});
+
+describe("OperationTypeEnum", () => {
+  const valid: OperationType[] = ["query", "mutation", "subscription"];
+  it.each(valid)("accepts %s", (v) => {
+    expect(Value.Check(OperationTypeEnum, v)).toBe(true);
+  });
+
+  it("rejects invalid values", () => {
+    expect(Value.Check(OperationTypeEnum, "fetch")).toBe(false);
+    expect(Value.Check(OperationTypeEnum, 0)).toBe(false);
+  });
+});
+
+describe("EdgeTypeEnum", () => {
+  const valid: EdgeType[] = [
+    "triggered",
+    "depends_on",
+    "typed",
+    "sequential",
+    "conditional",
+  ];
+  it.each(valid)("accepts %s", (v) => {
+    expect(Value.Check(EdgeTypeEnum, v)).toBe(true);
+  });
+
+  it("rejects invalid values", () => {
+    expect(Value.Check(EdgeTypeEnum, "parent")).toBe(false);
+    expect(Value.Check(EdgeTypeEnum, false)).toBe(false);
+  });
+});
+
+describe("Nullable", () => {
+  it("accepts null", () => {
+    const schema = Nullable(EdgeTypeEnum);
+    expect(Value.Check(schema, null)).toBe(true);
+  });
+
+  it("accepts valid enum values", () => {
+    const schema = Nullable(EdgeTypeEnum);
+    expect(Value.Check(schema, "typed")).toBe(true);
+  });
+
+  it("rejects invalid non-null values", () => {
+    const schema = Nullable(EdgeTypeEnum);
+    expect(Value.Check(schema, "invalid")).toBe(false);
+  });
+});