file.test.ts•2.46 kB
// @ts-ignore
import { File as WebFile } from "@web-std/file";
import { afterEach, beforeEach, expect, test } from "vitest";
import * as z from "zod/v4";
const minCheck = z.file().min(5);
const maxCheck = z.file().max(8);
const mimeCheck = z.file().mime(["text/plain", "application/json"]);
const originalFile = global.File;
beforeEach(async () => {
if (!globalThis.File) globalThis.File = WebFile;
});
afterEach(() => {
if (globalThis.File !== originalFile) {
globalThis.File = originalFile;
}
});
test("passing validations", () => {
minCheck.safeParse(new File(["12345"], "test.txt"));
maxCheck.safeParse(new File(["12345678"], "test.txt"));
mimeCheck.safeParse(new File([""], "test.csv", { type: "text/plain" }));
expect(() => mimeCheck.parse(new File([""], "test.txt"))).toThrow();
expect(() => mimeCheck.parse(new File([""], "test.txt", { type: "text/csv" }))).toThrow();
});
test("failing validations", () => {
expect(minCheck.safeParse(new File(["1234"], "test.txt"))).toMatchInlineSnapshot(`
{
"error": [ZodError: [
{
"origin": "file",
"code": "too_small",
"minimum": 5,
"path": [],
"message": "Too small: expected file to have >5 bytes"
}
]],
"success": false,
}
`);
expect(maxCheck.safeParse(new File(["123456789"], "test.txt"))).toMatchInlineSnapshot(`
{
"error": [ZodError: [
{
"origin": "file",
"code": "too_big",
"maximum": 8,
"path": [],
"message": "Too big: expected file to have <8 bytes"
}
]],
"success": false,
}
`);
expect(mimeCheck.safeParse(new File([""], "test.csv"))).toMatchInlineSnapshot(`
{
"error": [ZodError: [
{
"code": "invalid_value",
"values": [
"text/plain",
"application/json"
],
"path": [],
"message": "Invalid option: expected one of \\"text/plain\\"|\\"application/json\\""
}
]],
"success": false,
}
`);
expect(mimeCheck.safeParse(new File([""], "test.csv", { type: "text/csv" }))).toMatchInlineSnapshot(`
{
"error": [ZodError: [
{
"code": "invalid_value",
"values": [
"text/plain",
"application/json"
],
"path": [],
"message": "Invalid option: expected one of \\"text/plain\\"|\\"application/json\\""
}
]],
"success": false,
}
`);
});