scottohara/loot

import type DirectiveTest from "~/mocks/loot/directivetest";
import angular from "angular";

describe("ogInputNumber", (): void => {
    let ogInputNumber: DirectiveTest, expected: number | string;

    // Load the modules
    beforeEach(
        angular.mock.module("lootMocks", "ogComponents") as Mocha.HookFunction,
    );

    // Configure & compile the object under test
    beforeEach(
        angular.mock.inject((directiveTest: DirectiveTest): void => {
            ogInputNumber = directiveTest;
            ogInputNumber.configure("og-input-number", "input");
            ogInputNumber.compile();
            ogInputNumber.scope.$digest();
        }) as Mocha.HookFunction,
    );

    describe("on model change", (): void => {
        beforeEach((): string => (expected = "0.0000"));

        it("should display 0.0000 if the model is undefined", (): boolean =>
            delete ogInputNumber.scope.model);

        it("should display 0.0000 if the model is null", (): null =>
            (ogInputNumber.scope.model = null));

        it("should display 0.0000 if the model is NaN", (): string =>
            (ogInputNumber.scope.model = "abc"));

        it("should display the value formatted as a number if the model is a valid number", (): void => {
            expected = "-123,456.7000";
            ogInputNumber.scope.model = -123456.7;
        });

        it("should display the value formatted to a specified number of decimals if the model is a valid number", (): void => {
            ogInputNumber.compile({ "og-input-number": "3" });
            expected = "100,000.000";
            ogInputNumber.scope.model = 100000;
        });

        afterEach((): void => {
            ogInputNumber.scope.$digest();
            expect(ogInputNumber["element"].val() as string).to.equal(expected);
        });
    });

    describe("on input change", (): void => {
        beforeEach((): number => (expected = 0));

        it("should store 0 if the input is blank", (): JQuery<Element> =>
            ogInputNumber["element"].val(""));

        it("should store 0 if the input contains no numerics", (): JQuery<Element> =>
            ogInputNumber["element"].val("-abcd.e"));

        it("should strip any non-numerics (except periods & dashes) and store the remaining number", (): void => {
            expected = -1234.5;
            ogInputNumber["element"].val("-1a2b3c4d.e5f");
        });

        afterEach((): void => {
            ogInputNumber["element"].triggerHandler("change");
            ogInputNumber.scope.$digest();
            expect(ogInputNumber.scope.model as number).to.equal(expected);
        });
    });

    describe("on focus", (): void => {
        it("should strip any formatting", (): void => {
            expected = "-1,234.5000";
            ogInputNumber["element"].val("-1a,234.5");
            ogInputNumber["element"].triggerHandler("focus");
            expect(ogInputNumber["element"].val() as string).to.equal(expected);
        });
    });

    describe("on blur", (): void => {
        it("should format the value", (): void => {
            ogInputNumber["element"].val("-1234.5");
            ogInputNumber["element"].triggerHandler("blur");
            expect(ogInputNumber["element"].val() as string).to.equal("-1,234.5000");
        });
    });

    describe("on destroy", (): void => {
        beforeEach(
            (): void =>
                ogInputNumber["element"].triggerHandler("$destroy") as undefined,
        );

        it("should remove the focus handler from the element", (): void => {
            expected = "-1a,234.5";
            ogInputNumber["element"].val("-1a,234.5");
            ogInputNumber["element"].triggerHandler("focus");
            expect(ogInputNumber["element"].val() as string).to.equal(expected);
        });

        it("should remove the blur handler from the element", (): void => {
            ogInputNumber["element"].val("-1234.5");
            ogInputNumber["element"].triggerHandler("blur");
            expect(ogInputNumber["element"].val() as string).to.equal("-1234.5");
        });
    });
});