card-drop/tests/helpers/EffectHelper.test.ts

import EffectHelper from "../../src/helpers/EffectHelper";
import UserEffect from "../../src/database/entities/app/UserEffect";

jest.mock("../../src/database/entities/app/UserEffect");

describe("GenerateEffectEmbed", () => {
    test("GIVEN user has an effect, EXPECT detailed embed to be returned", async () => {
        // Arrange
        (UserEffect.FetchAllByUserIdPaginated as jest.Mock).mockResolvedValue([
            [
                {
                    Name: "unclaimed",
                    Unused: 1,
                }
            ],
            1,
        ])

        // Act
        const result = await EffectHelper.GenerateEffectEmbed("userId", 1);

        // Assert
        expect(result).toMatchSnapshot();
    });

    test("GIVEN user has more than 1 page of effects, EXPECT pagination enabled", async () => {
        const effects: any[] = [];

        for (let i = 0; i < 15; i++) {
            effects.push({
                Name: "unclaimed",
                Unused: 1,
            });
        }

        // Arrange
        (UserEffect.FetchAllByUserIdPaginated as jest.Mock).mockResolvedValue([
            effects,
            15,
        ])

        // Act
        const result = await EffectHelper.GenerateEffectEmbed("userId", 1);

        // Assert
        expect(result).toMatchSnapshot();
    });

    test("GIVEN user is on a page other than 1, EXPECT pagination enabled", async () => {
        const effects: any[] = [];

        for (let i = 0; i < 15; i++) {
            effects.push({
                Name: "unclaimed",
                Unused: 1,
            });
        }

        // Arrange
        (UserEffect.FetchAllByUserIdPaginated as jest.Mock).mockResolvedValue([
            effects,
            15,
        ])

        // Act
        const result = await EffectHelper.GenerateEffectEmbed("userId", 2);

        // Assert
        expect(result).toMatchSnapshot();
    });

    test("GIVEN user does NOT have an effect, EXPECT empty embed to be returned", async () => {
        // Arrange
        (UserEffect.FetchAllByUserIdPaginated as jest.Mock).mockResolvedValue([
            [],
            0,
        ])

        // Act
        const result = await EffectHelper.GenerateEffectEmbed("userId", 1);

        // Assert
        expect(result).toMatchSnapshot();
    });
});