fix: municipality status for MunicipalityWasImported should be Proposed

src/StreetNameRegistry/Municipality/Events/MunicipalitySnapshot.cs

@@ -24,14 +24,14 @@ public sealed class MunicipalitySnapshot
         public MunicipalitySnapshot(
             MunicipalityId municipalityId,
             NisCode nisCode,
-            MunicipalityStatus? municipalityStatus,
+            MunicipalityStatus municipalityStatus,
             IEnumerable<Language> officialLanguages,
             IEnumerable<Language> facilityLanguages,
             MunicipalityStreetNames streetNames)
         {
             MunicipalityId = municipalityId;
             NisCode = nisCode;
-            MunicipalityStatus = municipalityStatus?.Status ?? string.Empty;
+            MunicipalityStatus = municipalityStatus.Status;
             OfficialLanguages = officialLanguages;
             FacilityLanguages = facilityLanguages;
             StreetNames = streetNames.Select(x => new StreetNameData(x)).ToList();
@@ -48,9 +48,7 @@ private MunicipalitySnapshot(
             : this(
                 new MunicipalityId(municipalityId),
                 new NisCode(nisCode),
-                string.IsNullOrEmpty(municipalityStatus)
-                    ? null
-                    : StreetNameRegistry.Municipality.MunicipalityStatus.Parse(municipalityStatus),
+                StreetNameRegistry.Municipality.MunicipalityStatus.Parse(municipalityStatus),
                 officialLanguages,
                 facilityLanguages,
                 new MunicipalityStreetNames())

src/StreetNameRegistry/Municipality/Municipality_State.cs

@@ -65,6 +65,7 @@ private void When(MunicipalityWasImported @event)
         {
             _municipalityId = new MunicipalityId(@event.MunicipalityId);
             _nisCode = new NisCode(@event.NisCode);
+            MunicipalityStatus = MunicipalityStatus.Proposed;
         }
 
         private void When(MunicipalityNisCodeWasChanged @event)

src/StreetNameRegistry/Municipality/ValueObjects/MunicipalityStatus.cs

@@ -6,6 +6,7 @@ public readonly struct MunicipalityStatus
     {
         public static readonly MunicipalityStatus Current = new MunicipalityStatus("Current");
         public static readonly MunicipalityStatus Retired = new MunicipalityStatus("Retired");
+        public static readonly MunicipalityStatus Proposed = new MunicipalityStatus("Proposed");
 
         public string Status { get; }
 
@@ -14,8 +15,9 @@ public readonly struct MunicipalityStatus
         public static MunicipalityStatus Parse(string status)
         {
             if (status != Retired.Status &&
-                status != Current.Status)
-                throw new NotImplementedException($"Cannot parse {status} to {nameof(MunicipalityStatus)}");
+                status != Current.Status &&
+                status != Proposed.Status)
+                throw new NotImplementedException($"Cannot parse '{status}' to {nameof(MunicipalityStatus)}");
 
             return new MunicipalityStatus(status);
         }

test/StreetNameRegistry.Tests/AggregateTests/SnapshotTests/TakeMunicipalitySnapshotTests.cs

@@ -44,7 +44,7 @@ public void MunicipalityWasImportedIsSavedInSnapshot()
 
             municipalitySnapshot.NisCode.Should().Be(municipalityWasImported.NisCode);
             municipalitySnapshot.MunicipalityId.Should().Be(municipalityWasImported.MunicipalityId);
-            municipalitySnapshot.MunicipalityStatus.Should().BeNullOrEmpty();
+            municipalitySnapshot.MunicipalityStatus.Should().Be(MunicipalityStatus.Proposed);
             municipalitySnapshot.StreetNames.Should().BeEmpty();
             municipalitySnapshot.OfficialLanguages.Should().BeEmpty();
             municipalitySnapshot.FacilityLanguages.Should().BeEmpty();

test/StreetNameRegistry.Tests/AggregateTests/WhenImportingMunicipality/GivenNoMunicipality.cs

@@ -48,6 +48,7 @@ public void StateCheck()
             // Assert
             aggregate.MunicipalityId.Should().Be(municipalityId);
             aggregate.NisCode.Should().Be(nisCode);
+            aggregate.MunicipalityStatus.Should().Be(MunicipalityStatus.Proposed);
         }
     }
 }