import {assert} from "chai";

import * as Utilities from "./utilities";

describe("utilities module has a", () => {
    describe("isTypeScriptFile regular expression that", () => {
        it("should match a typescript file", () => {
            assert.notEqual("instructions.ts".search(Utilities.isTypeScriptFile), -1);
        });
        it("should match a typescript file in a directory", () => {
            assert.notEqual("src/code/scripts/instructions.ts".search(Utilities.isTypeScriptFile), -1);
        });
        it("should match a typescript definition file", () => {
            assert.notEqual("definitions.d.ts".search(Utilities.isTypeScriptFile), -1);
        });
        it("should match a typescript jsx (.tsx) file", () => {
            assert.notEqual("other.tsx".search(Utilities.isTypeScriptFile), -1);
        });
        it("should not match a non-typescript file", () => {
            assert.equal("other.cs".search(Utilities.isTypeScriptFile), -1);
        });
    });
    describe("nonAlphaNumeric regular expression that", () => {
        it("should match any non-alpha-numeric characters", () => {
            const input = "aA1!bB2\"cC3£dD4$";
            const output = input.replace(Utilities.nonAlphaNumeric, "");
            assert.equal(output, "aA1bB2cC3dD4");
        });
    });
    describe("indentation constant that", () => {
        it("is only whitespace", () => {
            assert.equal(Utilities.indentation.trim(), "");
        });
    });
    describe("convertPathSeparator function that", () => {
        it("should window path seperators with unix ones", () => {
            const result = Utilities.convertPathSeparator("my\\long/path");
            assert.equal(result, "my/long/path");
        });
    });
});