Fix #857: Activerecord-Import imports associations for invalid models

CHANGELOG.md

@@ -12,6 +12,10 @@
   associations and class names, i.e. when the `class_name:` option is used on
   an association.
 
+### Fixes
+
+* Activerecord-Import imports associations for invalid models. Thanks to @jacob-carlborg-apoex via \##858.
+
 ## Changes in 1.8.1
 
 ### Fixes

lib/activerecord-import/import.rb

@@ -746,7 +746,8 @@ def import_helper( *args )
         # if there are auto-save associations on the models we imported that are new, import them as well
         if options[:recursive]
           options[:on_duplicate_key_update] = on_duplicate_key_update unless on_duplicate_key_update.nil?
-          import_associations(models, options.dup.merge(validate: false))
+          valid_models = models.filter { _1.errors.blank? }
+          import_associations(valid_models, options.dup.merge(validate: false))
         end
       end
 

test/support/shared_examples/recursive_import.rb

@@ -151,6 +151,28 @@ def should_support_recursive_import
       end
     end
 
+    context "when a model is not valid" do
+      # The issue [1] only occurs when the parent model has an ID set.
+      # [1] https://github.com/zdennis/activerecord-import/issues/857
+      let(:invalid_topics) { Build(1, :topic_with_book, author_name: nil, id: 1) }
+
+      context "when validations are enabled" do
+        it "does not import its associations" do
+          assert_no_difference "Book.count" do
+            Topic.import invalid_topics, validate: true, recursive: true
+          end
+        end
+      end
+
+      context "when validations are not enabled" do
+        it "import its associations anyway" do
+          assert_difference "Book.count", invalid_topics.first.books.size do
+            Topic.import invalid_topics, validate: false, recursive: true
+          end
+        end
+      end
+    end
+
     unless ENV["SKIP_COMPOSITE_PK"]
       describe "with composite primary keys" do
         it "should import models and set id" do