validate environment id list is not empty

octopusdeploy_framework/resource_deployment_freeze_project.go

@@ -162,7 +162,6 @@ func (d *deploymentFreezeProjectResource) Delete(ctx context.Context, req resour
 			return
 		}
 	}
-	tflog.Debug(ctx, fmt.Sprintf("before delete: %#v", freeze))
 
 	delete(freeze.ProjectEnvironmentScope, data.ProjectID.ValueString())
 	freeze, err = deploymentfreezes.Update(d.Client, freeze)
@@ -179,7 +178,6 @@ func mapEnvironmentIds(ids []string) basetypes.ListValue {
 	for i, envID := range ids {
 		environmentIDs[i] = types.StringValue(envID)
 	}
-
 	environmentIdList, _ := types.ListValue(types.StringType, environmentIDs)
 	return environmentIdList
 }

octopusdeploy_framework/resource_deployment_freeze_test.go

@@ -70,6 +70,8 @@ func testDeploymentFreezeBasic(localName string, freezeName string, start string
 		environment_ids = [ %s ]
 	}`, projectScopeLocalName, localName, projectLocalName, strings.Join(environmentScopes, ","))
 
+	fmt.Println(projectScopes)
+
 	return fmt.Sprintf(`
 	%s
 

octopusdeploy_framework/schemas/deployment_freeze_project.go

@@ -1,10 +1,12 @@
 package schemas
 
 import (
+	"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
 	datasourceSchema "github.com/hashicorp/terraform-plugin-framework/datasource/schema"
 	resourceSchema "github.com/hashicorp/terraform-plugin-framework/resource/schema"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema/planmodifier"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema/stringplanmodifier"
+	"github.com/hashicorp/terraform-plugin-framework/schema/validator"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 )
 
@@ -39,6 +41,9 @@ func (d DeploymentFreezeProjectSchema) GetResourceSchema() resourceSchema.Schema
 				Description: "The environment IDs associated with this project deployment freeze scope.",
 				ElementType: types.StringType,
 				Optional:    true,
+				Validators: []validator.List{
+					listvalidator.SizeAtLeast(1),
+				},
 			},
 		},
 	}