66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
import { faker } from "@faker-js/faker";
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import { describe, expect, it } from "vitest";
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import { NonEmptyString } from "./non-empty-string.js";
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describe("NonEmptyString", () => {
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const WHITESPACE_CHARACTERS = {
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NEWLINE: "\n",
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SPACE: " ",
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TAB: "\t",
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};
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it("rejects true", () =>
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// @ts-expect-error because only strings are valid inputs
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expect(NonEmptyString.safeDecode(true).success).toBe(false));
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it("rejects false", () =>
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// @ts-expect-error because only strings are valid inputs
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expect(NonEmptyString.safeDecode(false).success).toBe(false));
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it("rejects integers", { repeats: 10 }, () =>
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// @ts-expect-error because only strings are valid inputs
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expect(NonEmptyString.safeDecode(faker.number.int()).success).toBe(false),
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);
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it("rejects bigints", { repeats: 10 }, () =>
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// @ts-expect-error because only strings are valid inputs
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expect(NonEmptyString.safeDecode(faker.number.bigInt()).success).toBe(
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false,
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),
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);
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it("rejects floats/numbers", { repeats: 10 }, () =>
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// @ts-expect-error because only strings are valid inputs
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expect(NonEmptyString.safeDecode(faker.number.float()).success).toBe(false),
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);
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it("rejects arrays", () =>
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// @ts-expect-error because only strings are valid inputs
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expect(NonEmptyString.safeDecode([]).success).toBe(false));
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it("rejects plain objects", () =>
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// @ts-expect-error because only strings are valid inputs
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expect(NonEmptyString.safeDecode({}).success).toBe(false));
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it("rejects empty strings", () =>
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expect(NonEmptyString.safeDecode("").success).toBe(false));
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it("rejects strings containing only whitespace characters", () =>
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expect(
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NonEmptyString.safeDecode(
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faker.helpers
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.multiple(() => faker.helpers.enumValue(WHITESPACE_CHARACTERS), {
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count: { min: 1, max: 100 },
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})
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.join(""),
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).success,
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).toBe(false));
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it("accepts strings with at least 1 non-whitespsace character", () =>
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expect(
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NonEmptyString.safeDecode(
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faker.string.alphanumeric({ length: { min: 1, max: 255 } }),
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).success,
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).toBe(true));
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});
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