tests for getMaxVValue and GetMinValue

2023-06-25 22:27:40 +01:00
parent f7ba046f20
commit 240b61d1d2
5 changed files with 456 additions and 1 deletions
@@ -0,0 +1,114 @@
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class GetMaxValueAsyncTests : BaseReaderTests
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = x => x.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, int>> selector = x => x.SomeValue;
+
+    [Fact]
+    public async Task WithFilterAndSelector_GetsMatchingDocument()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var (context, cursor) = SetupAsyncGet(value, collection);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().Be(value);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(value, collection);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().Be(value);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKey_GetsMatchingDocument()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupAsyncGet(value, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().Be(value);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(value, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().Be(value);
+    }
+
+    private (Mock<IMongoDbContext>, Mock<IAsyncCursor<TValue>>) SetupAsyncGet<TDocument, TValue>(
+        TValue result,
+        Mock<IMongoCollection<TDocument>> collection,
+        string partitionKey = null)
+    {
+        var asyncCursor = SetupAsyncCursor(new List<TValue> {result});
+
+        SetupFindAsync(collection, asyncCursor);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        return (context, asyncCursor);
+    }
+}