tutorialAPI/test/CommandAPI.Tests/CommandsControllerTests.cs at master · albertfarhat/tutorialAPI · GitHub

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using System;
using Xunit;
using CommandAPI.Controllers;
using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;
using Moq;
using AutoMapper;
using CommandAPI.Models;
using CommandAPI.Data;
using CommandAPI.Dtos;
//using CommandAPI.Profiles;

namespace CommandAPI.Tests
{
    public class CommandsControllerTests : IDisposable
    {
        Mock<ICommandAPIRepo> mockRepo;
        CommandsProfile realProfile;
        MapperConfiguration configuration;
        IMapper mapper;
        public CommandsControllerTests()
        {
            mockRepo = new Mock<ICommandAPIRepo>();
            realProfile = new CommandsProfile();
            configuration = new MapperConfiguration(cfg => cfg.
            AddProfile(realProfile));
            mapper = new Mapper(configuration);
        }
        public void Dispose()
        {
            mockRepo = null;
            mapper = null;
            configuration = null;
            realProfile = null;
        }

        [Fact]
        public void GetCommandItems_Returns200OK_WhenDBIsEmpty()
        {
            //Arrange
            mockRepo.Setup(repo =>
            repo.GetAllCommands()).Returns(GetCommands(0));
            var controller = new CommandsController(null,mockRepo.Object, mapper);
            //Act
            var result = controller.GetAllCommands();
            //Assert
            Assert.IsType<OkObjectResult>(result.Result);
        }

        [Fact]
        public void GetAllCommands_ReturnsOneItem_WhenDBHasOneResource()
        {
            //Arrange
            mockRepo.Setup(repo =>
            repo.GetAllCommands()).Returns(GetCommands(1));
            var controller = new CommandsController(null, mockRepo.Object, mapper);
            //Act
            var result = controller.GetAllCommands();
            //Assert
            Assert.IsType<OkObjectResult>(result.Result);
        }
        [Fact]
        public void GetAllCommands_ReturnsCorrectType_WhenDBHasOneResource()
        {
            //Arrange
            mockRepo.Setup(repo =>
            repo.GetAllCommands()).Returns(GetCommands(1));
            var controller = new CommandsController(null, mockRepo.Object, mapper);
            //Act
            var result = controller.GetAllCommands();
            //Assert
            Assert.IsType<ActionResult<IEnumerable<CommandReadDto>>>(result);
        }

        [Fact]
        public void GetCommandByID_Returns404NotFound_WhenNonExistentIDProvided()
        {
            //Arrange
            mockRepo.Setup(repo =>
            repo.GetCommandById(0)).Returns(() => null);
            var controller = new CommandsController(null, mockRepo.Object, mapper);
            //Act
            var result = controller.GetCommandById(1);
            //Assert
            Assert.IsType<NotFoundResult>(result.Result);
        }

        [Fact]
        public void GetCommandByID_Returns200OK__WhenValidIDProvided()
        {
            //Arrange
            mockRepo.Setup(repo =>
            repo.GetCommandById(1)).Returns(new Command
            {
                Id = 1,
                HowTo = "mock",
                Platform = "Mock",
                CommandLine = "Mock"
            });
            var controller = new CommandsController(null, mockRepo.Object, mapper);
            //Act
            var result = controller.GetCommandById(1);
            //Assert
            Assert.IsType<ActionResult<CommandReadDto>>(result);
        }


        List<Command> GetCommands(int num)
        {
            var commands = new List<Command>();
            if (num > 0)
            {
                commands.Add(new Command
                {
                    Id = 0,
                    HowTo = "How to generate a migration",
                    CommandLine = "dotnet ef migrations add <Name of Migration>",
                    Platform = ".Net Core EF"
                });
            }
            return commands;
        }
    }
}