Added test for enums with defaults (#1149)

* Added test for enums with defaults

* Fix style

* Fix test.only

Co-authored-by: Colin McDonnell <colinmcd@alum.mit.edu>

deno/lib/__tests__/default.test.ts

@@ -106,3 +106,24 @@ test("chained defaults", () => {
 test("factory", () => {
   z.ZodDefault.create(z.string()).parse(undefined);
 });
+
+test("native enum", () => {
+  enum Fruits {
+    apple = "apple",
+    orange = "orange",
+  }
+
+  const schema = z.object({
+    fruit: z.nativeEnum(Fruits).default(Fruits.apple),
+  });
+
+  expect(schema.parse({})).toEqual({ fruit: Fruits.apple });
+});
+
+test("enum", () => {
+  const schema = z.object({
+    fruit: z.enum(["apple", "orange"]).default("apple"),
+  });
+
+  expect(schema.parse({})).toEqual({ fruit: "apple" });
+});

deno/lib/declarations.d.ts

@@ -0,0 +1,20 @@
+interface Body<T> {
+  readonly body: ReadableStream<Uint8Array> | null;
+  readonly bodyUsed: boolean;
+  arrayBuffer(): Promise<ArrayBuffer>;
+  blob(): Promise<Blob>;
+  formData(): Promise<FormData>;
+  json(): Promise<T>;
+  text(): Promise<string>;
+}
+
+interface Response<T> extends Body<T> {
+  readonly headers: Headers;
+  readonly ok: boolean;
+  readonly redirected: boolean;
+  readonly status: number;
+  readonly statusText: string;
+  readonly type: ResponseType;
+  readonly url: string;
+  clone(): Response<T>;
+}

src/__tests__/default.test.ts

@@ -105,3 +105,24 @@ test("chained defaults", () => {
 test("factory", () => {
   z.ZodDefault.create(z.string()).parse(undefined);
 });
+
+test("native enum", () => {
+  enum Fruits {
+    apple = "apple",
+    orange = "orange",
+  }
+
+  const schema = z.object({
+    fruit: z.nativeEnum(Fruits).default(Fruits.apple),
+  });
+
+  expect(schema.parse({})).toEqual({ fruit: Fruits.apple });
+});
+
+test("enum", () => {
+  const schema = z.object({
+    fruit: z.enum(["apple", "orange"]).default("apple"),
+  });
+
+  expect(schema.parse({})).toEqual({ fruit: "apple" });
+});