Implement two unit tests to validate the functionality of the user co…

…ntact details retrieval use case.

test/Altinn.Profile.Tests/Profile.Integrations/UserContactDetailsRetrieverTests.cs

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+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Threading.Tasks;
+
+using Altinn.Profile.Core;
+using Altinn.Profile.Integrations.Entities;
+using Altinn.Profile.Integrations.Services;
+using Altinn.Profile.Models;
+using Altinn.Profile.UseCases;
+
+using Moq;
+
+using Xunit;
+
+namespace Altinn.Profile.Tests.Profile.Integrations;
+
+public class UserContactDetailsRetrieverTests
+{
+ private readonly Mock<IPersonService> _mockRegisterService;
+ private readonly UserContactDetailsRetriever _retriever;
+
+ public UserContactDetailsRetrieverTests()
+ {
+ _mockRegisterService = new Mock<IPersonService>();
+ _retriever = new UserContactDetailsRetriever(_mockRegisterService.Object);
+ }
+
+ [Fact]
+ public async Task RetrieveAsync_ThrowsArgumentNullException_WhenLookupCriteriaIsNull()
+ {
+ // Act & Assert
+ await Assert.ThrowsAsync<ArgumentNullException>(() => _retriever.RetrieveAsync(null));
+ }
+
+ [Fact]
+ public async Task RetrieveAsync_ReturnsFalse_WhenNationalIdentityNumbersIsEmpty()
+ {
+ // Arrange
+ var lookupCriteria = new UserContactPointLookup { NationalIdentityNumbers = [] };
+
+ // Act
+ var result = await _retriever.RetrieveAsync(lookupCriteria);
+
+ // Assert
+ Assert.False(result.IsSuccess);
+ }
+
+ [Fact]
+ public async Task RetrieveAsync_ReturnsFalse_WhenNoContactDetailsFound()
+ {
+ // Arrange
+ var lookupCriteria = new UserContactPointLookup
+ {
+ NationalIdentityNumbers = new List<string> { "08119043698" }
+ };
+
+ _mockRegisterService.Setup(s => s.GetUserContactAsync(lookupCriteria.NationalIdentityNumbers)).ReturnsAsync(false);
+
+ // Act
+ var result = await _retriever.RetrieveAsync(lookupCriteria);
+
+ // Assert
+ Assert.False(result.IsSuccess);
+ }
+}