json-schema-library/src/keywords/string.test.ts at main · sagold/json-schema-library · GitHub

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import { compileSchema } from "../compileSchema";
import { strict as assert } from "assert";

describe("keyword : string : validation", () => {
    it("should return error for string shorter than minLength", () => {
        const node = compileSchema({ type: "string", minLength: 2 });

        const { errors } = node.validate("a");

        assert.equal(errors.length, 1);
        assert.deepEqual(errors[0].code, "min-length-error");
    });

    it("should NOT return error for string matching minLength", () => {
        const node = compileSchema({ type: "string", minLength: 2 });

        const { errors } = node.validate("ab");

        assert.equal(errors.length, 0);
    });

    it("should return error for string larger than maxLength", () => {
        const node = compileSchema({ type: "string", maxLength: 2 });

        const { errors } = node.validate("abc");

        assert.equal(errors.length, 1);
        assert.deepEqual(errors[0].code, "max-length-error");
    });

    it("should NOT return error for string matching maxLength", () => {
        const node = compileSchema({ type: "string", maxLength: 2 });

        const { errors } = node.validate("ab");

        assert.equal(errors.length, 0);
    });
});

describe("keyword : string : default data", () => {
    it("should return default value if string is undefined", () => {
        const node = compileSchema({ type: "string", default: "abc" });

        const data = node.getData();

        assert.deepEqual(data, "abc");
    });

    it("should NOT return default value if string is undefined", () => {
        const node = compileSchema({ type: "string", default: "abc" });

        const data = node.getData("123");

        assert.deepEqual(data, "123");
    });
});