Add brewery discovery & detail pages with location-based search (#253)

web/backend/Features/Features.Breweries.Tests/Queries/GetBreweryLocationsWithinRangeHandlerTests.cs

@@ -0,0 +1,70 @@
+using Domain.Entities;
+using Features.Breweries.Dtos;
+using Features.Breweries.Queries.GetBreweryLocationsWithinRange;
+using Features.Breweries.Repository;
+using FluentAssertions;
+using Moq;
+
+namespace Features.Breweries.Tests.Queries;
+
+public class GetBreweryLocationsWithinRangeHandlerTests
+{
+    private readonly GetBreweryLocationsWithinRangeHandler _handler;
+    private readonly Mock<IBreweryRepository> _repoMock = new();
+
+    public GetBreweryLocationsWithinRangeHandlerTests()
+    {
+        _handler = new GetBreweryLocationsWithinRangeHandler(_repoMock.Object);
+    }
+
+    [Fact]
+    public async Task Handle_PassesCoordinatesAndRange_ToRepository()
+    {
+        _repoMock
+            .Setup(r =>
+                r.GetAllLocationsWithinRange(
+                    It.Is<CoordinateData>(c => c.Latitude == 43.6532 && c.Longitude == -79.3832),
+                    1000
+                )
+            )
+            .ReturnsAsync(Array.Empty<BreweryPost>());
+
+        IEnumerable<SimplifiedBreweryDto> result = await _handler.Handle(
+            new GetBreweryLocationsWithinRangeQuery(43.6532, -79.3832, 1000),
+            CancellationToken.None
+        );
+
+        result.Should().BeEmpty();
+        _repoMock.Verify(
+            r =>
+                r.GetAllLocationsWithinRange(
+                    It.Is<CoordinateData>(c => c.Latitude == 43.6532 && c.Longitude == -79.3832),
+                    1000
+                ),
+            Times.Once
+        );
+    }
+
+    [Fact]
+    public async Task Handle_ReturnsNearbyBreweries_FromRepository()
+    {
+        BreweryPost[] breweries =
+        [
+            new BreweryPost { BreweryPostId = Guid.NewGuid(), BreweryName = "Nearby A" },
+            new BreweryPost { BreweryPostId = Guid.NewGuid(), BreweryName = "Nearby B" },
+        ];
+        _repoMock
+            .Setup(r => r.GetAllLocationsWithinRange(It.IsAny<CoordinateData>(), It.IsAny<double>()))
+            .ReturnsAsync(breweries);
+
+        IEnumerable<SimplifiedBreweryDto> result = await _handler.Handle(
+            new GetBreweryLocationsWithinRangeQuery(43.6532, -79.3832, 1000),
+            CancellationToken.None
+        );
+
+        result
+            .Select(b => b.BreweryPostId)
+            .Should()
+            .BeEquivalentTo(breweries.Select(b => b.BreweryPostId));
+    }
+}