FM / tests

/opt/canhelp/node_modules/better-auth/node_modules/zod/src/v4/classic/tests/

/opt/canhelp/node_modules/better-auth/node_modules/zod/src/v4/classic/tests

Name	Size	Mode	Actions
anyunknown.test.ts	639	0644	edit dl rm
apply.test.ts	1509	0644	edit dl rm
array.test.ts	7248	0644	edit dl rm
assignability.test.ts	6790	0644	edit dl rm
async-parsing.test.ts	12311	0644	edit dl rm
async-refinements.test.ts	1867	0644	edit dl rm
base.test.ts	179	0644	edit dl rm
bigint.test.ts	1956	0644	edit dl rm
brand.test.ts	3574	0644	edit dl rm
catch.test.ts	7831	0644	edit dl rm
coalesce.test.ts	743	0644	edit dl rm
codec-examples.test.ts	19030	0644	edit dl rm
codec.test.ts	18853	0644	edit dl rm
coerce.test.ts	7736	0644	edit dl rm
continuability.test.ts	8020	0644	edit dl rm
custom.test.ts	1215	0644	edit dl rm
date.test.ts	1671	0644	edit dl rm
datetime.test.ts	11932	0644	edit dl rm
default.test.ts	9226	0644	edit dl rm
describe-meta-checks.test.ts	965	0644	edit dl rm
description.test.ts	1294	0644	edit dl rm
discriminated-unions.test.ts	17665	0644	edit dl rm
enum.test.ts	8488	0644	edit dl rm
error-utils.test.ts	13744	0644	edit dl rm
error.test.ts	19502	0644	edit dl rm
file.test.ts	2641	0644	edit dl rm
firstparty.test.ts	3045	0644	edit dl rm
fix-json-issue.test.ts	771	0644	edit dl rm
from-json-schema.test.ts	21498	0644	edit dl rm
function.test.ts	8344	0644	edit dl rm
generics.test.ts	2162	0644	edit dl rm
hash.test.ts	3204	0644	edit dl rm
index.test.ts	31191	0644	edit dl rm
instanceof.test.ts	1658	0644	edit dl rm
intersection.test.ts	5555	0644	edit dl rm
json.test.ts	3327	0644	edit dl rm
lazy.test.ts	4756	0644	edit dl rm
literal.test.ts	3095	0644	edit dl rm
map.test.ts	7622	0644	edit dl rm
nan.test.ts	645	0644	edit dl rm
nested-refine.test.ts	3623	0644	edit dl rm
nonoptional.test.ts	2841	0644	edit dl rm
nullable.test.ts	591	0644	edit dl rm
number.test.ts	8644	0644	edit dl rm
object.test.ts	18481	0644	edit dl rm
optional.test.ts	7332	0644	edit dl rm
partial.test.ts	12973	0644	edit dl rm
pickomit.test.ts	6885	0644	edit dl rm
pipe.test.ts	2338	0644	edit dl rm
prefault.test.ts	2063	0644	edit dl rm
preprocess.test.ts	6522	0644	edit dl rm
primitive.test.ts	7649	0644	edit dl rm
promise.test.ts	2324	0644	edit dl rm
prototypes.test.ts	498	0644	edit dl rm
readonly.test.ts	11786	0644	edit dl rm
record.test.ts	17226	0644	edit dl rm
recursive-types.test.ts	12693	0644	edit dl rm
refine.test.ts	15649	0644	edit dl rm
registries.test.ts	7391	0644	edit dl rm
set.test.ts	5622	0644	edit dl rm
standard-schema.test.ts	3770	0644	edit dl rm
string-formats.test.ts	3700	0644	edit dl rm
string.test.ts	78069	0644	edit dl rm
stringbool.test.ts	3536	0644	edit dl rm
template-literal.test.ts	35894	0644	edit dl rm
to-json-schema-methods.test.ts	10100	0644	edit dl rm
to-json-schema.test.ts	78639	0644	edit dl rm
transform.test.ts	8298	0644	edit dl rm
tuple.test.ts	5532	0644	edit dl rm
union.test.ts	5936	0644	edit dl rm
url.test.ts	402	0644	edit dl rm
validations.test.ts	6736	0644	edit dl rm
void.test.ts	306	0644	edit dl rm

Edit: /opt/canhelp/node_modules/better-auth/node_modules/zod/src/v4/classic/tests/codec.test.ts (18853B)

import { expect, expectTypeOf, test } from "vitest";
import * as z from "zod/v4";

const isoDateCodec = z.codec(
  z.iso.datetime(), // Input: ISO string (validates to string)
  z.date(), // Output: Date object
  {
    decode: (isoString) => new Date(isoString), // Forward: ISO string → Date
    encode: (date) => date.toISOString(), // Backward: Date → ISO string
  }
);

test("instanceof", () => {
  expect(isoDateCodec instanceof z.ZodCodec).toBe(true);
  expect(isoDateCodec instanceof z.ZodPipe).toBe(true);
  expect(isoDateCodec instanceof z.ZodType).toBe(true);
  expect(isoDateCodec instanceof z.core.$ZodCodec).toBe(true);
  expect(isoDateCodec instanceof z.core.$ZodPipe).toBe(true);
  expect(isoDateCodec instanceof z.core.$ZodType).toBe(true);

expectTypeOf(isoDateCodec.def).toEqualTypeOf<z.core.$ZodCodecDef<z.ZodISODateTime, z.ZodDate>>();
});

test("codec basic functionality", () => {
  // ISO string -> Date codec using z.iso.datetime() for input validation

const testIsoString = "2024-01-15T10:30:00.000Z";
  const testDate = new Date("2024-01-15T10:30:00.000Z");

// Forward decoding (ISO string -> Date)
  const decodedResult = z.decode(isoDateCodec, testIsoString);
  expect(decodedResult).toBeInstanceOf(Date);
  expect(decodedResult.toISOString()).toMatchInlineSnapshot(`"2024-01-15T10:30:00.000Z"`);

// Backward encoding (Date -> ISO string)
  const encodedResult = z.encode(isoDateCodec, testDate);
  expect(typeof encodedResult).toBe("string");
  expect(encodedResult).toMatchInlineSnapshot(`"2024-01-15T10:30:00.000Z"`);
});

test("codec round trip", () => {
  const isoDateCodec = z.codec(z.iso.datetime(), z.date(), {
    decode: (isoString) => new Date(isoString),
    encode: (date) => date.toISOString(),
  });

const original = "2024-12-25T15:45:30.123Z";
  const toDate = z.decode(isoDateCodec, original);
  const backToString = z.encode(isoDateCodec, toDate);

expect(backToString).toMatchInlineSnapshot(`"2024-12-25T15:45:30.123Z"`);
  expect(toDate).toBeInstanceOf(Date);
  expect(toDate.getTime()).toMatchInlineSnapshot(`1735141530123`);
});

test("codec with refinement", () => {
  const isoDateCodec = z
    .codec(z.iso.datetime(), z.date(), {
      decode: (isoString) => new Date(isoString),
      encode: (date) => date.toISOString(),
    })
    .refine((val) => val.getFullYear() === 2024, { error: "Year must be 2024" });

// Valid 2024 date
  const validDate = z.decode(isoDateCodec, "2024-01-15T10:30:00.000Z");
  expect(validDate.getFullYear()).toMatchInlineSnapshot(`2024`);
  expect(validDate.getTime()).toMatchInlineSnapshot(`1705314600000`);

// Invalid year should fail safely
  const invalidYearResult = z.safeDecode(isoDateCodec, "2023-01-15T10:30:00.000Z");
  expect(invalidYearResult.success).toBe(false);
  if (!invalidYearResult.success) {
    expect(invalidYearResult.error.issues).toMatchInlineSnapshot(`
      [
        {
          "code": "custom",
          "message": "Year must be 2024",
          "path": [],
        },
      ]
    `);
  }
});

test("safe codec operations", () => {
  const isoDateCodec = z.codec(z.iso.datetime(), z.date(), {
    decode: (isoString) => new Date(isoString),
    encode: (date) => date.toISOString(),
  });

// Safe decode with invalid input
  const safeDecodeResult = z.safeDecode(isoDateCodec, "invalid-date");
  expect(safeDecodeResult.success).toBe(false);
  if (!safeDecodeResult.success) {
    expect(safeDecodeResult.error.issues).toMatchInlineSnapshot(`
      [
        {
          "code": "invalid_format",
          "format": "datetime",
          "message": "Invalid ISO datetime",
          "origin": "string",
          "path": [],
          "pattern": "/^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$/",
        },
      ]
    `);
  }

// Safe decode with valid input
  const safeDecodeValid = z.safeDecode(isoDateCodec, "2024-01-15T10:30:00.000Z");
  expect(safeDecodeValid.success).toBe(true);
  if (safeDecodeValid.success) {
    expect(safeDecodeValid.data).toBeInstanceOf(Date);
    expect(safeDecodeValid.data.getTime()).toMatchInlineSnapshot(`1705314600000`);
  }

// Safe encode with valid input
  const safeEncodeResult = z.safeEncode(isoDateCodec, new Date("2024-01-01"));
  expect(safeEncodeResult.success).toBe(true);
  if (safeEncodeResult.success) {
    expect(safeEncodeResult.data).toMatchInlineSnapshot(`"2024-01-01T00:00:00.000Z"`);
  }
});

test("codec with different types", () => {
  // String -> Number codec
  const stringNumberCodec = z.codec(z.string(), z.number(), {
    decode: (str) => Number.parseFloat(str),
    encode: (num) => num.toString(),
  });

const decodedNumber = z.decode(stringNumberCodec, "42.5");
  expect(decodedNumber).toMatchInlineSnapshot(`42.5`);
  expect(typeof decodedNumber).toBe("number");

const encodedString = z.encode(stringNumberCodec, 42.5);
  expect(encodedString).toMatchInlineSnapshot(`"42.5"`);
  expect(typeof encodedString).toBe("string");
});

test("async codec operations", async () => {
  const isoDateCodec = z.codec(z.iso.datetime(), z.date(), {
    decode: (isoString) => new Date(isoString),
    encode: (date) => date.toISOString(),
  });

// Async decode
  const decodedResult = await z.decodeAsync(isoDateCodec, "2024-01-15T10:30:00.000Z");
  expect(decodedResult).toBeInstanceOf(Date);
  expect(decodedResult.getTime()).toMatchInlineSnapshot(`1705314600000`);

// Async encode
  const encodedResult = await z.encodeAsync(isoDateCodec, new Date("2024-01-15T10:30:00.000Z"));
  expect(typeof encodedResult).toBe("string");
  expect(encodedResult).toMatchInlineSnapshot(`"2024-01-15T10:30:00.000Z"`);

// Safe async operations
  const safeDecodeResult = await z.safeDecodeAsync(isoDateCodec, "2024-01-15T10:30:00.000Z");
  expect(safeDecodeResult.success).toBe(true);
  if (safeDecodeResult.success) {
    expect(safeDecodeResult.data.getTime()).toMatchInlineSnapshot(`1705314600000`);
  }

const safeEncodeResult = await z.safeEncodeAsync(isoDateCodec, new Date("2024-01-15T10:30:00.000Z"));
  expect(safeEncodeResult.success).toBe(true);
  if (safeEncodeResult.success) {
    expect(safeEncodeResult.data).toMatchInlineSnapshot(`"2024-01-15T10:30:00.000Z"`);
  }
});

test("codec type inference", () => {
  const codec = z.codec(z.string(), z.number(), {
    decode: (str) => Number.parseInt(str),
    encode: (num) => num.toString(),
  });

// These should compile without type errors
  const decoded: number = z.decode(codec, "123");
  const encoded: string = z.encode(codec, 123);

expect(decoded).toMatchInlineSnapshot(`123`);
  expect(encoded).toMatchInlineSnapshot(`"123"`);
});

test("nested codec with object containing codec property", () => {
 // Nested schema: object containing a codec as one of its properties, with refinements at all levels
 const waypointSchema = z
 .object({
 name: z.string().min(1, "Waypoint name required"),
 difficulty: z.enum(["easy", "medium", "hard"]),
 coordinate: z
 .codec(
 z
 .string()
 .regex(/^-?\d+,-?\d+$/, "Must be 'x,y' format"), // Input: coordinate string
 z
 .object({ x: z.number(), y: z.number() })
 .refine((coord) => coord.x >= 0 && coord.y >= 0, { error: "Coordinates must be non-negative" }), // Output: coordinate object
 {
 decode: (coordString: string) => {
 const [x, y] = coordString.split(",").map(Number);
 return { x, y };
 },
 encode: (coord: { x: number; y: number }) => `${coord.x},${coord.y}`,
 }
 )
 .refine((coord) => coord.x <= 1000 && coord.y <= 1000, { error: "Coordinates must be within bounds" }),
 })
 .refine((waypoint) => waypoint.difficulty !== "hard" || waypoint.coordinate.x >= 100, {
 error: "Hard waypoints must be at least 100 units from origin",
 });

// Test data
  const inputWaypoint = {
    name: "Summit Point",
    difficulty: "medium" as const,
    coordinate: "150,200",
  };

// Forward decoding (object with string coordinate -> object with coordinate object)
  const decodedWaypoint = z.decode(waypointSchema, inputWaypoint);
  expect(decodedWaypoint).toMatchInlineSnapshot(`
    {
      "coordinate": {
        "x": 150,
        "y": 200,
      },
      "difficulty": "medium",
      "name": "Summit Point",
    }
  `);

// Backward encoding (object with coordinate object -> object with string coordinate)
  const encodedWaypoint = z.encode(waypointSchema, decodedWaypoint);
  expect(encodedWaypoint).toMatchInlineSnapshot(`
    {
      "coordinate": "150,200",
      "difficulty": "medium",
      "name": "Summit Point",
    }
  `);

// Test refinements at all levels
  // String validation (empty waypoint name)
  const emptyNameResult = z.safeDecode(waypointSchema, {
    name: "",
    difficulty: "easy",
    coordinate: "10,20",
  });
  expect(emptyNameResult.success).toBe(false);
  if (!emptyNameResult.success) {
    expect(emptyNameResult.error.issues).toMatchInlineSnapshot(`
      [
        {
          "code": "too_small",
          "inclusive": true,
          "message": "Waypoint name required",
          "minimum": 1,
          "origin": "string",
          "path": [
            "name",
          ],
        },
      ]
    `);
  }

// Enum validation (invalid difficulty)
  const invalidDifficultyResult = z.safeDecode(waypointSchema, {
    name: "Test Point",
    difficulty: "impossible" as any,
    coordinate: "10,20",
  });
  expect(invalidDifficultyResult.success).toBe(false);
  if (!invalidDifficultyResult.success) {
    expect(invalidDifficultyResult.error.issues).toMatchInlineSnapshot(`
      [
        {
          "code": "invalid_value",
          "message": "Invalid option: expected one of "easy"|"medium"|"hard"",
          "path": [
            "difficulty",
          ],
          "values": [
            "easy",
            "medium",
            "hard",
          ],
        },
      ]
    `);
  }

// Codec string format validation (invalid coordinate format)
  const invalidFormatResult = z.safeDecode(waypointSchema, {
    name: "Test Point",
    difficulty: "easy",
    coordinate: "invalid",
  });
  expect(invalidFormatResult.success).toBe(false);
  if (!invalidFormatResult.success) {
    expect(invalidFormatResult.error.issues).toMatchInlineSnapshot(`
      [
        {
          "code": "invalid_format",
          "format": "regex",
          "message": "Must be 'x,y' format",
          "origin": "string",
          "path": [
            "coordinate",
          ],
          "pattern": "/^-?\\d+,-?\\d+$/",
        },
      ]
    `);
  }

// Codec object refinement (negative coordinates)
  const negativeCoordResult = z.safeDecode(waypointSchema, {
    name: "Test Point",
    difficulty: "easy",
    coordinate: "-5,10",
  });
  expect(negativeCoordResult.success).toBe(false);
  if (!negativeCoordResult.success) {
    expect(negativeCoordResult.error.issues).toMatchInlineSnapshot(`
      [
        {
          "code": "custom",
          "message": "Coordinates must be non-negative",
          "path": [
            "coordinate",
          ],
        },
      ]
    `);
  }

// Codec-level refinement (coordinates out of bounds)
  const outOfBoundsResult = z.safeDecode(waypointSchema, {
    name: "Test Point",
    difficulty: "easy",
    coordinate: "1500,2000",
  });
  expect(outOfBoundsResult.success).toBe(false);
  if (!outOfBoundsResult.success) {
    expect(outOfBoundsResult.error.issues).toMatchInlineSnapshot(`
      [
        {
          "code": "custom",
          "message": "Coordinates must be within bounds",
          "path": [
            "coordinate",
          ],
        },
      ]
    `);
  }

// Object-level refinement (hard waypoint too close to origin)
 const hardWaypointResult = z.safeDecode(waypointSchema, {
 name: "Expert Point",
 difficulty: "hard",
 coordinate: "50,60", // x < 100, but hard waypoints need x >= 100
 });
 expect(hardWaypointResult.success).toBe(false);
 if (!hardWaypointResult.success) {
 expect(hardWaypointResult.error.issues).toMatchInlineSnapshot(`
 [
 {
 "code": "custom",
 "message": "Hard waypoints must be at least 100 units from origin",
 "path": [],
 },
 ]
 `);
 }

// Round trip test
  const roundTripResult = z.encode(waypointSchema, z.decode(waypointSchema, inputWaypoint));
  expect(roundTripResult).toMatchInlineSnapshot(`
    {
      "coordinate": "150,200",
      "difficulty": "medium",
      "name": "Summit Point",
    }
  `);
});

test("mutating refinements", () => {
  const A = z.codec(z.string(), z.string().trim(), {
    decode: (val) => val,
    encode: (val) => val,
  });

expect(z.decode(A, " asdf ")).toMatchInlineSnapshot(`"asdf"`);
  expect(z.encode(A, " asdf ")).toMatchInlineSnapshot(`"asdf"`);

const B = z
    .codec(z.string(), z.string(), {
      decode: (val) => val,
      encode: (val) => val,
    })
    .check(z.trim(), z.maxLength(4));

expect(z.decode(B, " asdf ")).toMatchInlineSnapshot(`"asdf"`);
  expect(z.encode(B, " asdf ")).toMatchInlineSnapshot(`"asdf"`);
});

test("codec type enforcement - correct encode/decode signatures", () => {
 // Test that codec functions have correct type signatures
 const stringToNumberCodec = z.codec(z.string(), z.number(), {
 decode: (value: string) => Number(value), // core.output<A> -> core.input
 encode: (value: number) => String(value), // core.input -> core.output<A>
 });

// These should compile without errors - correct types (async support)
 expectTypeOf<(value: string, payload: z.core.ParsePayload<string>) => z.core.util.MaybeAsync<number>>(
 stringToNumberCodec.def.transform
 ).toBeFunction();
 expectTypeOf<(value: number, payload: z.core.ParsePayload<number>) => z.core.util.MaybeAsync<string>>(
 stringToNumberCodec.def.reverseTransform
 ).toBeFunction();

// Test that decode parameter type is core.output<A> (string)
 const validDecode = (value: string) => Number(value);
 expectTypeOf(validDecode).toMatchTypeOf<(value: string) => number>();

// Test that encode parameter type is core.input (number)
 const validEncode = (value: number) => String(value);
 expectTypeOf(validEncode).toMatchTypeOf<(value: number) => string>();

z.codec(z.string(), z.number(), {
 // @ts-expect-error - decode should NOT accept core.input<A> as parameter
 decode: (value: never, _payload) => Number(value), // Wrong: should be string, not unknown
 encode: (value: number, _payload) => String(value),
 });

z.codec(z.string(), z.number(), {
 decode: (value: string) => Number(value),
 // @ts-expect-error - encode should NOT accept core.output as parameter
 encode: (value: never) => String(value), // Wrong: should be number, not unknown
 });

z.codec(z.string(), z.number(), {
 // @ts-expect-error - decode return type should be core.input
 decode: (value: string) => String(value), // Wrong: should return number, not string
 encode: (value: number) => String(value),
 });

z.codec(z.string(), z.number(), {
 decode: (value: string) => Number(value),
 // @ts-expect-error - encode return type should be core.output<A>
 encode: (value: number) => Number(value), // Wrong: should return string, not number
 });
});

test("codec type enforcement - complex types", () => {
  type User = { id: number; name: string };
  type UserInput = { id: string; name: string };

const userCodec = z.codec(
    z.object({ id: z.string(), name: z.string() }),
    z.object({ id: z.number(), name: z.string() }),
    {
      decode: (input: UserInput) => ({ id: Number(input.id), name: input.name }),
      encode: (user: User) => ({ id: String(user.id), name: user.name }),
    }
  );

// Verify correct types are inferred (async support)
 expectTypeOf<(input: UserInput, payload: z.core.ParsePayload<UserInput>) => z.core.util.MaybeAsync<User>>(
 userCodec.def.transform
 ).toBeFunction();
 expectTypeOf<(user: User, payload: z.core.ParsePayload<User>) => z.core.util.MaybeAsync<UserInput>>(
 userCodec.def.reverseTransform
 ).toBeFunction();

z.codec(
    z.object({
      id: z.string(),
      name: z.string(),
    }),
    z.object({ id: z.number(), name: z.string() }),
    {
      // @ts-expect-error - decode parameter should be UserInput, not User
      decode: (input: User) => ({ id: Number(input.id), name: input.name }), // Wrong type
      encode: (user: User) => ({ id: String(user.id), name: user.name }),
    }
  );

z.codec(
    z.object({
      id: z.string(),
      name: z.string(),
    }),
    z.object({ id: z.number(), name: z.string() }),
    {
      decode: (input: UserInput) => ({ id: Number(input.id), name: input.name }),
      // @ts-expect-error - encode parameter should be User, not UserInput
      encode: (user: UserInput) => ({ id: String(user.id), name: user.name }), // Wrong type
    }
  );
});

test("codec with overwrites", () => {
  const stringPlusA = z.string().overwrite((val) => val + "a");
  const A = z
    .codec(stringPlusA, stringPlusA, {
      decode: (val) => val,
      encode: (val) => val,
    })
    .overwrite((val) => val + "a");

expect(z.decode(A, "")).toEqual("aaa");
  expect(z.encode(A, "")).toEqual("aaa");

// @ts-expect-error
  expect(z.safeEncode(A, Symbol("a"))).toMatchInlineSnapshot(`
    {
      "error": [ZodError: [
      {
        "expected": "string",
        "code": "invalid_type",
        "path": [],
        "message": "Invalid input: expected string, received symbol"
      }
    ]],
      "success": false,
    }
  `);
});

test("async codec functionality", async () => {
  // Test that async encode/decode functions work properly
  const asyncCodec = z.codec(z.string(), z.number(), {
    decode: async (str) => {
      await new Promise((resolve) => setTimeout(resolve, 1)); // Simulate async work
      return Number.parseFloat(str);
    },
    encode: async (num) => {
      await new Promise((resolve) => setTimeout(resolve, 1)); // Simulate async work
      return num.toString();
    },
  });

// Test async decode/encode
  const decoded = await z.decodeAsync(asyncCodec, "42.5");
  expect(decoded).toBe(42.5);

const encoded = await z.encodeAsync(asyncCodec, 42.5);
  expect(encoded).toBe("42.5");

// Test that both sync and async work
  const mixedCodec = z.codec(z.string(), z.number(), {
    decode: async (str) => Number.parseFloat(str),
    encode: (num) => num.toString(), // sync encode
  });

const mixedResult = await z.decodeAsync(mixedCodec, "123");
  expect(mixedResult).toBe(123);
});

cmd: