deno.land / x / zod@v3.19.1 / __tests__ / error.test.ts
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import { ZodParsedType } from "../helpers/util.ts";import * as z from "../index.ts";import { ZodError, ZodIssueCode } from "../ZodError.ts";
test("error creation", () => { const err1 = ZodError.create([]); err1.addIssue({ code: ZodIssueCode.invalid_type, expected: ZodParsedType.object, received: ZodParsedType.string, path: [], message: "", }); err1.isEmpty;
const err2 = ZodError.create(err1.issues); const err3 = new ZodError([]); err3.addIssues(err1.issues); err3.addIssue(err1.issues[0]); err1.message; err2.message; err3.message;});
const errorMap: z.ZodErrorMap = (error, ctx) => { if (error.code === ZodIssueCode.invalid_type) { if (error.expected === "string") { return { message: "bad type!" }; } } if (error.code === ZodIssueCode.custom) { return { message: `less-than-${(error.params || {}).minimum}` }; } return { message: ctx.defaultError };};
test("type error with custom error map", () => { try { z.string().parse(234, { errorMap }); } catch (err) { const zerr: z.ZodError = err as any;
expect(zerr.issues[0].code).toEqual(z.ZodIssueCode.invalid_type); expect(zerr.issues[0].message).toEqual(`bad type!`); }});
test("refinement fail with params", () => { try { z.number() .refine((val) => val >= 3, { params: { minimum: 3 }, }) .parse(2, { errorMap }); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues[0].code).toEqual(z.ZodIssueCode.custom); expect(zerr.issues[0].message).toEqual(`less-than-3`); }});
test("custom error with custom errormap", () => { try { z.string() .refine((val) => val.length > 12, { params: { minimum: 13 }, message: "override", }) .parse("asdf", { errorMap }); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues[0].message).toEqual("override"); }});
test("default error message", () => { try { z.number() .refine((x) => x > 3) .parse(2); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues.length).toEqual(1); expect(zerr.issues[0].message).toEqual("Invalid input"); }});
test("override error in refine", () => { try { z.number() .refine((x) => x > 3, "override") .parse(2); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues.length).toEqual(1); expect(zerr.issues[0].message).toEqual("override"); }});
test("override error in refinement", () => { try { z.number() .refine((x) => x > 3, { message: "override", }) .parse(2); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues.length).toEqual(1); expect(zerr.issues[0].message).toEqual("override"); }});
test("array minimum", () => { try { z.array(z.string()).min(3, "tooshort").parse(["asdf", "qwer"]); } catch (err) { const zerr: ZodError = err as any; expect(zerr.issues[0].code).toEqual(ZodIssueCode.too_small); expect(zerr.issues[0].message).toEqual("tooshort"); } try { z.array(z.string()).min(3).parse(["asdf", "qwer"]); } catch (err) { const zerr: ZodError = err as any; expect(zerr.issues[0].code).toEqual(ZodIssueCode.too_small); expect(zerr.issues[0].message).toEqual( `Array must contain at least 3 element(s)` ); }});
// implement test for semi-smart union logic that checks for type error on either left or right// test("union smart errors", () => {// // expect.assertions(2);
// const p1 = z// .union([z.string(), z.number().refine((x) => x > 0)])// .safeParse(-3.2);
// if (p1.success === true) throw new Error();// expect(p1.success).toBe(false);// expect(p1.error.issues[0].code).toEqual(ZodIssueCode.custom);
// const p2 = z.union([z.string(), z.number()]).safeParse(false);// // .catch(err => expect(err.issues[0].code).toEqual(ZodIssueCode.invalid_union));// if (p2.success === true) throw new Error();// expect(p2.success).toBe(false);// expect(p2.error.issues[0].code).toEqual(ZodIssueCode.invalid_union);// });
test("custom path in custom error map", () => { const schema = z.object({ items: z.array(z.string()).refine((data) => data.length > 3, { path: ["items-too-few"], }), });
const errorMap: z.ZodErrorMap = (error) => { expect(error.path.length).toBe(2); return { message: "doesnt matter" }; }; const result = schema.safeParse({ items: ["first"] }, { errorMap }); expect(result.success).toEqual(false); if (!result.success) { expect(result.error.issues[0].path).toEqual(["items", "items-too-few"]); }});
test("error metadata from value", () => { const dynamicRefine = z.string().refine( (val) => val === val.toUpperCase(), (val) => ({ params: { val } }) );
const result = dynamicRefine.safeParse("asdf"); expect(result.success).toEqual(false); if (!result.success) { const sub = result.error.issues[0]; expect(result.error.issues[0].code).toEqual("custom"); if (sub.code === "custom") { expect(sub.params!.val).toEqual("asdf"); } }});
// test("don't call refine after validation failed", () => {// const asdf = z// .union([// z.number(),// z.string().transform(z.number(), (val) => {// return parseFloat(val);// }),// ])// .refine((v) => v >= 1);
// expect(() => asdf.safeParse("foo")).not.toThrow();// });
test("root level formatting", () => { const schema = z.string().email(); const result = schema.safeParse("asdfsdf"); expect(result.success).toEqual(false); if (!result.success) { expect(result.error.format()._errors).toEqual(["Invalid email"]); }});
test("custom path", () => { const schema = z .object({ password: z.string(), confirm: z.string(), }) .refine((val) => val.confirm === val.password, { path: ["confirm"] });
const result = schema.safeParse({ password: "peanuts", confirm: "qeanuts", });
expect(result.success).toEqual(false); if (!result.success) { // nested errors const error = result.error.format(); expect(error._errors).toEqual([]); expect(error.password?._errors).toEqual(undefined); expect(error.confirm?._errors).toEqual(["Invalid input"]); }});
test("custom path", () => { const schema = z .object({ password: z.string().min(6), confirm: z.string().min(6), }) .refine((val) => val.confirm === val.password);
const result = schema.safeParse({ password: "qwer", confirm: "asdf", });
expect(result.success).toEqual(false); if (!result.success) { expect(result.error.issues.length).toEqual(3); }});
const schema = z.object({ inner: z.object({ name: z .string() .refine((val) => val.length > 5) .array() .refine((val) => val.length <= 1), }),});
test("no abort early on refinements", () => { const invalidItem = { inner: { name: ["aasd", "asdfasdfasfd"] }, };
const result1 = schema.safeParse(invalidItem); expect(result1.success).toEqual(false); if (!result1.success) { expect(result1.error.issues.length).toEqual(2); }});test("formatting", () => { const invalidItem = { inner: { name: ["aasd", "asdfasdfasfd"] }, }; const invalidArray = { inner: { name: ["asdfasdf", "asdfasdfasfd"] }, }; const result1 = schema.safeParse(invalidItem); const result2 = schema.safeParse(invalidArray);
expect(result1.success).toEqual(false); expect(result2.success).toEqual(false); if (!result1.success) { const error = result1.error.format();
expect(error._errors).toEqual([]); expect(error.inner?._errors).toEqual([]); // expect(error.inner?.name?._errors).toEqual(["Invalid input"]); // expect(error.inner?.name?.[0]._errors).toEqual(["Invalid input"]); expect(error.inner?.name?.[1]).toEqual(undefined); } if (!result2.success) { type FormattedError = z.inferFormattedError<typeof schema>; const error: FormattedError = result2.error.format(); expect(error._errors).toEqual([]); expect(error.inner?._errors).toEqual([]); expect(error.inner?.name?._errors).toEqual(["Invalid input"]); expect(error.inner?.name?.[0]).toEqual(undefined); expect(error.inner?.name?.[1]).toEqual(undefined); expect(error.inner?.name?.[2]).toEqual(undefined); }
// test custom mapper if (!result2.success) { type FormattedError = z.inferFormattedError<typeof schema, number>; const error: FormattedError = result2.error.format(() => 5); expect(error._errors).toEqual([]); expect(error.inner?._errors).toEqual([]); expect(error.inner?.name?._errors).toEqual([5]); }});
const stringWithCustomError = z.string({ errorMap: (issue, ctx) => ({ message: issue.code === "invalid_type" ? ctx.data ? "Invalid name" : "Name is required" : ctx.defaultError, }),});
test("schema-bound error map", () => { const result = stringWithCustomError.safeParse(1234); expect(result.success).toEqual(false); if (!result.success) { expect(result.error.issues[0].message).toEqual("Invalid name"); }
const result2 = stringWithCustomError.safeParse(undefined); expect(result2.success).toEqual(false); if (!result2.success) { expect(result2.error.issues[0].message).toEqual("Name is required"); }
// support contextual override const result3 = stringWithCustomError.safeParse(undefined, { errorMap: () => ({ message: "OVERRIDE" }), }); expect(result3.success).toEqual(false); if (!result3.success) { expect(result3.error.issues[0].message).toEqual("OVERRIDE"); }});
test("overrideErrorMap", () => { // support overrideErrorMap z.setErrorMap(() => ({ message: "OVERRIDE" })); const result4 = stringWithCustomError.min(10).safeParse("tooshort"); expect(result4.success).toEqual(false); if (!result4.success) { expect(result4.error.issues[0].message).toEqual("OVERRIDE"); } z.setErrorMap(z.defaultErrorMap);});
test("invalid and required", () => { const str = z.string({ invalid_type_error: "Invalid name", required_error: "Name is required", }); const result1 = str.safeParse(1234); expect(result1.success).toEqual(false); if (!result1.success) { expect(result1.error.issues[0].message).toEqual("Invalid name"); } const result2 = str.safeParse(undefined); expect(result2.success).toEqual(false); if (!result2.success) { expect(result2.error.issues[0].message).toEqual("Name is required"); }});
test("Fallback to default required error", () => { const str = z.string({ invalid_type_error: "Invalid name", // required_error: "Name is required", });
const result2 = str.safeParse(undefined); expect(result2.success).toEqual(false); if (!result2.success) { expect(result2.error.issues[0].message).toEqual("Required"); }});
test("invalid and required and errorMap", () => { expect(() => { return z.string({ invalid_type_error: "Invalid name", required_error: "Name is required", errorMap: () => ({ message: "OVERRIDE" }), }); }).toThrow();});
test("strict error message", () => { const errorMsg = "Invalid object"; const obj = z.object({ x: z.string() }).strict(errorMsg); const result = obj.safeParse({ x: "a", y: "b" }); expect(result.success).toEqual(false); if (!result.success) { expect(result.error.issues[0].message).toEqual(errorMsg); }});
test("enum error message, invalid enum elementstring", () => { try { z.enum(["Tuna", "Trout"]).parse("Salmon"); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues.length).toEqual(1); expect(zerr.issues[0].message).toEqual( "Invalid enum value. Expected 'Tuna' | 'Trout', received 'Salmon'" ); }});
test("enum error message, invalid type", () => { try { z.enum(["Tuna", "Trout"]).parse(12); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues.length).toEqual(1); expect(zerr.issues[0].message).toEqual( "Expected 'Tuna' | 'Trout', received number" ); }});
test("nativeEnum default error message", () => { enum Fish { Tuna = "Tuna", Trout = "Trout", } try { z.nativeEnum(Fish).parse("Salmon"); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues.length).toEqual(1); expect(zerr.issues[0].message).toEqual( "Invalid enum value. Expected 'Tuna' | 'Trout', received 'Salmon'" ); }});
test("literal default error message", () => { try { z.literal("Tuna").parse("Trout"); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues.length).toEqual(1); expect(zerr.issues[0].message).toEqual( `Invalid literal value, expected "Tuna"` ); }});
test("literal bigint default error message", () => { try { z.literal(BigInt(12)).parse(BigInt(13)); } catch (err) { const zerr: z.ZodError = err as any; expect(zerr.issues.length).toEqual(1); expect(zerr.issues[0].message).toEqual( `Invalid literal value, expected "12"` ); }});
// test("dont short circuit on continuable errors", () => {// const user = z// .object({// password: z.string().min(6),// confirm: z.string(),// })// .refine((data) => data.password === data.confirm, {// message: "Passwords don't match",// path: ["confirm"],// });// const result = user.safeParse({ password: "asdf", confirm: "qwer" });// if (!result.success) {// expect(result.error.issues.length).toEqual(2);// }// });
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