feat: migrate unit tests from FluentAssertions to Shouldly

Author: kamilbaczek

Chapter-4-applying-tactical-domain-driven-design/Fitnet.Contracts/Src/Fitnet.Contracts.Core.UnitTests/Common/Assertions/ErrorOr/ErrorOrAssertions.cs

@@ -1,5 +1,6 @@
 namespace EvolutionaryArchitecture.Fitnet.Contracts.Core.UnitTests.Common.Assertions.ErrorOr;
 
+using FluentAssertions;
 using FluentAssertions.Execution;
 using FluentAssertions.Primitives;
 

Chapter-4-applying-tactical-domain-driven-design/Fitnet.Contracts/Src/Fitnet.Contracts.Core.UnitTests/PrepareContract/PrepareContractTests.cs

@@ -2,6 +2,7 @@
 
 using Common;
 using Core.PrepareContract;
+using Shouldly;
 
 public sealed class PrepareContractTests
 {
@@ -19,7 +20,7 @@ internal void Given_prepare_contract_Then_should_raise_contract_prepared_event()
         // Assert
         var contract = preparationResult.Value;
         var @event = contract.GetPublishedEvent<ContractPreparedEvent>();
-        @event?.CustomerId.Should().Be(_customerId);
-        @event?.PreparedAt.Should().Be(_preparedAt);
+        @event?.CustomerId.ShouldBe(_customerId);
+        @event?.PreparedAt.ShouldBe(_preparedAt);
     }
 }

Chapter-4-applying-tactical-domain-driven-design/Fitnet.Contracts/Src/Fitnet.Contracts.Core.UnitTests/SignContract/SignContractTests.cs

@@ -4,6 +4,7 @@ namespace EvolutionaryArchitecture.Fitnet.Contracts.Core.UnitTests.SignContract;
 using Common.Builders;
 using Core.SignContract;
 using Core.SignContract.Signatures;
+using Shouldly;
 
 public sealed class SignContractTests
 {
@@ -28,7 +29,7 @@ internal void Given_sign_contract_Then_expiration_date_is_set_to_contract_durati
 
         // Assert
         var @event = signResult.Value.GetPublishedEvent<BindingContractStartedEvent>();
-        @event?.ExpiringAt.Should().Be(expectedExpirationDate);
+        @event?.ExpiringAt.ShouldBe(expectedExpirationDate);
     }
 
     private static readonly DateTimeOffset FakeNow = FakeContractDates.PreparedAt.AddDays(1);
@@ -47,6 +48,6 @@ internal void Given_sign_contract_Then_contracts_becomes_binding_contract()
 
         // Assert
         var @event = signResult.Value.GetPublishedEvent<BindingContractStartedEvent>();
-        @event?.BindingFrom.Should().Be(SignedAt);
+        @event?.BindingFrom.ShouldBe(SignedAt);
     }
 }