tests(infra.tests): wip on builder apis for test data

tests/FiscalOS.Infra.Tests/Data/InstitutionBuilder.cs

@@ -0,0 +1,67 @@
+namespace FiscalOS.Infra.Tests.Data;
+
+internal sealed class InstitutionBuilder
+{
+  private User? _user;
+  private string _name = "institutionName";
+  private InstitutionMetadata? _metadata;
+  private readonly List<Account> _accounts = [];
+
+  private InstitutionBuilder()
+  {
+  }
+
+  public static InstitutionBuilder Create()
+  {
+    return new();
+  }
+
+  public InstitutionBuilder WithUser(User user)
+  {
+    _user = user;
+    return this;
+  }
+
+  public InstitutionBuilder WithName(string name)
+  {
+    _name = name;
+    return this;
+  }
+
+  public InstitutionBuilder WithMetadata(Action<InstitutionMetadataBuilder>? action = null)
+  {
+    var imb = InstitutionMetadataBuilder.Create();
+    action?.Invoke(imb);
+    _metadata = imb.Build();
+    return this;
+  }
+
+  public InstitutionBuilder WithAccount(Action<AccountBuilder>? action = null)
+  {
+    var ab = AccountBuilder.Create();
+    action?.Invoke(ab);
+    _accounts.Add(ab.Build());
+    return this;
+  }
+
+  public Institution Build()
+  {
+    if (_metadata is null)
+    {
+      throw new InvalidOperationException($"You must call {nameof(WithMetadata)} prior to building");
+    }
+
+    var institution = Institution.From(
+      _user,
+      _name,
+      _metadata
+    );
+
+    foreach (var account in _accounts)
+    {
+      institution.AddAccount(account);
+    }
+
+    return institution;
+  }
+}