SUPPORT-29551 add test for a possible class cart exception

commercetools/commercetools-sdk-java-api/src/integrationTest/java/commercetools/cart/CartCustomFieldsTests.java

@@ -6,10 +6,16 @@
 
 import java.util.Collections;
 
+import com.commercetools.api.client.ProjectApiRoot;
+import com.commercetools.api.defaultconfig.ApiRootBuilder;
+import com.commercetools.api.json.ApiModuleOptions;
 import com.commercetools.api.models.cart.*;
 import com.commercetools.api.models.type.*;
 import commercetools.utils.CommercetoolsTestUtils;
 
+import io.vrap.rmf.base.client.ResponseSerializer;
+import io.vrap.rmf.base.client.utils.json.JsonUtils;
+
 import org.assertj.core.api.Assertions;
 import org.junit.jupiter.api.Test;
 
@@ -44,4 +50,34 @@ public void updateCartWithCustomFields() {
             });
         });
     }
+
+    // https://commercetools.atlassian.net/browse/SUPPORT-29551
+    @Test
+    public void fetchCartWithCustomFieldDateTime() {
+        withType(type -> {
+            withUpdateableCart(cart -> {
+                ProjectApiRoot projectApiRoot = ApiRootBuilder.ofEnvironmentVariables()
+                        .withSerializer(ResponseSerializer.of(JsonUtils.createObjectMapper(
+                            ApiModuleOptions.of().withDateAttributeAsString(true).withDateCustomFieldAsString(true))))
+                        .buildProjectRoot();
+
+                Cart updatedCart = projectApiRoot.carts()
+                        .update(cart)
+                        .with(b -> b.plus(actionBuilder -> actionBuilder.setCustomTypeBuilder()
+                                .type(type.toResourceIdentifier())
+                                .fields(fieldBuilder -> fieldBuilder.addValue("ttl", "2024-11-11T03:55:48.970653Z"))))
+                        .executeBlocking()
+                        .getBody();
+
+                Assertions.assertThat(updatedCart.getCustom().getFields().values())
+                        .isEqualTo(Collections.singletonMap("ttl", "2024-11-11T03:55:48.970653Z"));
+
+                Cart fetchedCart = projectApiRoot.carts().withId(cart.getId()).get().executeBlocking().getBody();
+                Assertions.assertThat(fetchedCart.getCustom().getFields().values())
+                        .isEqualTo(Collections.singletonMap("ttl", "2024-11-11T03:55:48.970653Z"));
+
+                return updatedCart;
+            });
+        });
+    }
 }

commercetools/commercetools-sdk-java-api/src/integrationTest/java/commercetools/type/TypeFixtures.java

@@ -67,6 +67,12 @@ public static Type createType() {
                         .label(CommercetoolsTestUtils.randomLocalizedString())
                         .required(false)
                         .inputHint(TypeTextInputHint.SINGLE_LINE))
+                .plusFieldDefinitions(
+                    fieldDefinitionBuilder -> fieldDefinitionBuilder.type(FieldTypeBuilder::dateTimeBuilder)
+                            .name("ttl")
+                            .label(CommercetoolsTestUtils.randomLocalizedString())
+                            .required(false)
+                            .inputHint(TypeTextInputHint.SINGLE_LINE))
                 .build();
 
         Type type = CommercetoolsTestUtils.getProjectApiRoot().types().post(typeDraft).executeBlocking().getBody();