Add TagService with TagController

backend/LeedsBeerQuest.API/LeedsBeerQuest.API.Tests/Controllers/CategoryControllerTests.cs

@@ -25,7 +25,7 @@ public class CategoryControllerTests
     }
 
     [Test]
-    public async Task GetCategories_ReturnsAllCategories()
+    public async Task GetCategories_ReturnsOk_WithAllCategories()
     {
         _categoryService.GetCategories().Returns(TestData.CategoryTestData);
 

backend/LeedsBeerQuest.API/LeedsBeerQuest.API.Tests/Controllers/TagControllerTests.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using LeedsBeerQuest.API.Controllers;
+using LeedsBeerQuest.API.Data.Models;
+using LeedsBeerQuest.API.Data.Services.Interfaces;
+using LeedsBeerQuest.API.Tests.Data.Services;
+using LeedsBeerQuest.API.Tests.TestHelpers;
+using NSubstitute;
+using NUnit.Framework;
+
+namespace LeedsBeerQuest.API.Tests.Controllers;
+
+[TestFixture]
+public class TagControllerTests
+{
+    private ITagService _tagService;
+    private TagController _tagController;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _tagService = Substitute.For<ITagService>();
+        _tagController = new TagController(_tagService);
+    }
+
+    [Test]
+    public async Task GetTags_ReturnsOk_WithAllTags()
+    {
+        _tagService.GetTags().Returns(TestData.TagTestData);
+
+        var result = await _tagController.GetTags();
+        var resultObject = ControllerTestHelper.ActionResultToOkResultValue<IEnumerable<Tag>>(result);
+
+        Assert.AreEqual(TestData.TagTestData.Length, resultObject.Count());
+    }
+}

backend/LeedsBeerQuest.API/LeedsBeerQuest.API.Tests/Controllers/VenueControllerTests.cs

@@ -27,7 +27,7 @@ public class VenueControllerTests
     }
 
     [Test]
-    public async Task GetAll_ReturnsAllVenues_WhenNoVenueIdIsPassed()
+    public async Task GetAll_ReturnsOk_WithAllVenues_WhenNoVenueIdIsPassed()
     {
         _venueService.GetAllVenues().Returns(TestData.VenueTestData);
 
@@ -39,7 +39,7 @@ public class VenueControllerTests
     }
 
     [Test]
-    public async Task GetVenue_ReturnsVenue_WhenVenueIdIsPassedAndIsReturnedFromService()
+    public async Task GetVenue_ReturnsOk_WithVenue_WhenVenueIdIsPassedAndIsReturnedFromService()
     {
         var venueTestData = TestData.VenueTestData.ToArray();
         _venueService.GetVenue(Arg.Any<int>()).Returns(venueTestData[0]);

backend/LeedsBeerQuest.API/LeedsBeerQuest.API.Tests/Data/Services/TagServiceTests.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using LeedsBeerQuest.API.Data.Contexts;
+using LeedsBeerQuest.API.Data.Models;
+using LeedsBeerQuest.API.Data.Services;
+using LeedsBeerQuest.API.Data.Services.Interfaces;
+using Microsoft.EntityFrameworkCore;
+using NUnit.Framework;
+
+namespace LeedsBeerQuest.API.Tests.Data.Services;
+
+[TestFixture]
+public class TagServiceTests
+{
+    private LeedsBeerQuestDbContext _context;
+    private ITagService _tagService;
+
+    [SetUp]
+    public void SetUp()
+    {
+        var builder = new DbContextOptionsBuilder<LeedsBeerQuestDbContext>()
+            .UseInMemoryDatabase($"CategoryServiceTests.{Guid.NewGuid().ToString()}");
+        _context = new LeedsBeerQuestDbContext(builder.Options);
+
+        _tagService = new TagService(_context);
+    }
+
+    [Test]
+    public async Task GetTags_ReturnsAllTags_WhenAllTagsArePresentInDatabase()
+    {
+        var tagTestData = await seedTagTestData();
+
+        var result = await _tagService.GetTags();
+
+        Assert.AreEqual(tagTestData.Length, result.Count());
+    }
+
+    private async Task<Tag[]> seedTagTestData()
+    {
+        var tagTestData = TestData.TagTestData;
+        _context.Tags.AddRange(tagTestData);
+        await _context.SaveChangesAsync();
+
+        return tagTestData;
+    }
+}

backend/LeedsBeerQuest.API/LeedsBeerQuest.API.Tests/Data/Services/TestData.cs

@@ -64,4 +64,34 @@ public static class TestData
         },
 
     };
+
+    public static Tag[] TagTestData => new[]
+    {
+        new Tag
+        {
+            Id = 1,
+            Name = "Tag 1",
+        },
+        new Tag
+        {
+            Id = 2,
+            Name = "Tag 2",
+        },
+        new Tag
+        {
+            Id = 3,
+            Name = "Tag 3",
+        },
+        new Tag
+        {
+            Id = 4,
+            Name = "Tag 4",
+        },
+        new Tag
+        {
+            Id = 5,
+            Name = "Tag 5",
+        },
+
+    };
 }

backend/LeedsBeerQuest.API/LeedsBeerQuest.API/Controllers/TagController.cs

@@ -0,0 +1,24 @@
+using LeedsBeerQuest.API.Data.Services.Interfaces;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LeedsBeerQuest.API.Controllers;
+
+[ApiController]
+[Route("[controller]")]
+public class TagController : ControllerBase
+{
+    private ITagService _tagService;
+
+    public TagController(ITagService tagService)
+    {
+        _tagService = tagService;
+    }
+
+    [HttpGet]
+    public async Task<IActionResult> GetTags()
+    {
+        var tags = await _tagService.GetTags();
+
+        return Ok(tags);
+    }
+}

backend/LeedsBeerQuest.API/LeedsBeerQuest.API/Data/Services/Interfaces/ITagService.cs

@@ -1,6 +1,8 @@
+using LeedsBeerQuest.API.Data.Models;
+
 namespace LeedsBeerQuest.API.Data.Services.Interfaces;
 
 public interface ITagService
 {
-    
+    public Task<IEnumerable<Tag>> GetTags();
 }

backend/LeedsBeerQuest.API/LeedsBeerQuest.API/Data/Services/TagService.cs

@@ -1,6 +1,19 @@
+using LeedsBeerQuest.API.Data.Contexts;
+using LeedsBeerQuest.API.Data.Models;
+using LeedsBeerQuest.API.Data.Services.Interfaces;
+using Microsoft.EntityFrameworkCore;
+
 namespace LeedsBeerQuest.API.Data.Services;
 
-public class TagService
+public class TagService : ITagService
 {
-    
+    private readonly LeedsBeerQuestDbContext _context;
+
+    public TagService(LeedsBeerQuestDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<IEnumerable<Tag>> GetTags() =>
+        await _context.Tags.ToListAsync();
 }

backend/LeedsBeerQuest.API/LeedsBeerQuest.API/ServiceDependencies.cs

@@ -15,5 +15,6 @@ public static class ServiceDependencies
         serviceCollection.AddTransient(_ => new LeedsBeerQuestDbContext(dbOptions.Options));
         serviceCollection.AddScoped<IVenueService, VenueService>();
         serviceCollection.AddScoped<ICategoryService, CategoryService>();
+        serviceCollection.AddScoped<ITagService, TagService>();
     }
 }