import { getBoolFromString } from "./boolean-helper";

describe("getBoolFromString", () => {
    describe("Happy paths", () => {
        test('"true" -> true', () => {
            const input = "true";

            const output = getBoolFromString(input);

            expect(output).toBe(true);
        });

        test('"false" -> false', () => {
            const input = "false";

            const output = getBoolFromString(input);

            expect(output).toBe(false);
        });

        test('"other string" -> false', () => {
            const input = "some random value";

            const output = getBoolFromString(input);

            expect(output).toBe(false);
        });
    });

    describe("Capitalization", () => {
        test('"TRUE" -> true', () => {
            const input = "TRUE";

            const output = getBoolFromString(input);

            expect(output).toBe(true);
        });

        test('"True" -> true', () => {
            const input = "True";

            const output = getBoolFromString(input);

            expect(output).toBe(true);
        });

        test('"FALSE" -> false', () => {
            const input = "FALSE";

            const output = getBoolFromString(input);

            expect(output).toBe(false);
        });

        test('"False" -> false', () => {
            const input = "False";

            const output = getBoolFromString(input);

            expect(output).toBe(false);
        });
    });

    describe("Graceful type errors", () => {
        describe("Boolean", () => {
            test("true -> true", () => {
                const input = true;

                const output = getBoolFromString(input);

                expect(output).toBe(true);
            });

            test("false -> false", () => {
                const input = false;

                const output = getBoolFromString(input);

                expect(output).toBe(false);
            });
        });

        describe("Empty", () => {
            test("undefined -> false", () => {
                const input = undefined;

                const output = getBoolFromString(input);

                expect(output).toBe(false);
            });

            test("null -> false", () => {
                const input = null;

                const output = getBoolFromString(input);

                expect(output).toBe(false);
            });

            test("{} -> false", () => {
                const input = {};

                const output = getBoolFromString(input);

                expect(output).toBe(false);
            });
        });

        describe("Other types", () => {
            test("1 -> false", () => {
                const input = 1;

                const output = getBoolFromString(input);

                expect(output).toBe(false);
            });

            test("Object -> false", () => {
                const input = {
                    test: true,
                    true: true,
                };

                const output = getBoolFromString(input);

                expect(output).toBe(false);
            });

            test("function -> false", () => {
                const input = () => true;

                const output = getBoolFromString(input);

                expect(output).toBe(false);
            });

            test("array -> false", () => {
                const input = [true];

                const output = getBoolFromString(input);

                expect(output).toBe(false);
            });
        });
    });
});