[bug] Fix carrier account parameter serialization for stateless rates (#550)

- Fix carrier account parameter serialization for stateless rates
- Update, sync related unit tests
- Re-record relevant cassettes

Author: nwithan8

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## Next Release
+
+- Fix serialization bug for carrier accounts parameter on `RetrieveStatelessRates` parameter set
+
 ## v6.2.0 (2024-02-07)
 
 - Mark some unused parameters for various `All` functions as obsolete

EasyPost.Tests/ServicesTests/Beta/RateServiceTest.cs

@@ -22,15 +22,33 @@ public RateServiceTests() : base("beta_rate_service")
         [Fact]
         [CrudOperations.Read]
         [Testing.Function]
-        public async Task TestRetrieve()
+        public async Task TestRetrieveStatelessRates()
         {
-            UseVCR("retrieve");
+            UseVCR("retrieve_stateless_rates");
 
             Dictionary<string, object> shipmentData = Fixtures.BasicShipment;
 
             List<StatelessRate> rates = await Client.Beta.Rate.RetrieveStatelessRates(shipmentData);
 
-            Assert.IsType<List<StatelessRate>>(rates);
+            Assert.NotNull(rates);
+            Assert.NotEmpty(rates);
+        }
+
+        [Fact]
+        [CrudOperations.Read]
+        [Testing.Function]
+        public async Task TestRetrieveStatelessRatesWithCarrierAccount()
+        {
+            UseVCR("retrieve_stateless_rates_with_carrier_account");
+
+            Dictionary<string, object> shipmentData = Fixtures.BasicShipment;
+
+            shipmentData.Add("carrier_accounts", new List<string> { Fixtures.UspsCarrierAccountId });
+
+            List<StatelessRate> rates = await Client.Beta.Rate.RetrieveStatelessRates(shipmentData);
+
+            Assert.NotNull(rates);
+            Assert.NotEmpty(rates);
         }
 
         #endregion
@@ -47,7 +65,7 @@ public async Task TestGetLowestRateStaticFunction()
 
             StatelessRate lowestStatelessRate = Rates.GetLowestStatelessRate(rates);
 
-            Assert.Equal("First", lowestStatelessRate.Service);
+            Assert.Equal("GroundAdvantage", lowestStatelessRate.Service);
         }
 
         [Fact]
@@ -62,7 +80,7 @@ public async Task TestGetLowestRateExtensionFunction()
 
             StatelessRate lowestStatelessRate = rates.GetLowest();
 
-            Assert.Equal("First", lowestStatelessRate.Service);
+            Assert.Equal("GroundAdvantage", lowestStatelessRate.Service);
         }
 
         #endregion

EasyPost.Tests/ServicesTests/WithParameters/Beta/RateServiceTest.cs

@@ -3,6 +3,7 @@
 using EasyPost.Models.API.Beta;
 using EasyPost.Tests._Utilities;
 using EasyPost.Tests._Utilities.Attributes;
+using EasyPost.Utilities.Internal.Attributes;
 using Xunit;
 
 namespace EasyPost.Tests.ServicesTests.WithParameters.Beta
@@ -17,13 +18,12 @@ public RateServiceTests() : base("beta_rate_service_with_parameters")
 
         #region Test CRUD Operations
 
-        #endregion
-
         [Fact]
+        [CrudOperations.Read]
         [Testing.Function]
-        public async Task TestGetRates()
+        public async Task TestRetrieveStatelessRates()
         {
-            UseVCR("get_rates");
+            UseVCR("retrieve_stateless_rates");
 
             Dictionary<string, object> data = Fixtures.BasicShipment;
 
@@ -35,6 +35,33 @@ public async Task TestGetRates()
             Assert.NotEmpty(rates);
         }
 
+        [Fact]
+        [CrudOperations.Read]
+        [Testing.Function]
+        public async Task TestRetrieveStatelessRatesWithCarrierAccount()
+        {
+            UseVCR("retrieve_stateless_rates_with_carrier_account");
+
+            Dictionary<string, object> shipmentData = Fixtures.BasicShipment;
+
+            Parameters.Beta.Rate.Retrieve parameters = Fixtures.Parameters.Rates.RetrieveBeta(shipmentData);
+
+            parameters.CarrierAccounts = new List<Models.API.CarrierAccount>
+            {
+                new Models.API.CarrierAccount
+                {
+                    Id = Fixtures.UspsCarrierAccountId,
+                }
+            };
+
+            List<StatelessRate> rates = await Client.Beta.Rate.RetrieveStatelessRates(parameters);
+
+            Assert.NotNull(rates);
+            Assert.NotEmpty(rates);
+        }
+
+        #endregion
+
         #endregion
     }
 }