1 files changed, 48 insertions, 0 deletions
diff --git a/spec/lib/gitlab/import/errors_spec.rb b/spec/lib/gitlab/import/errors_spec.rb
new file mode 100644
index 00000000000..f89cb36bbb4
--- /dev/null
+++ b/spec/lib/gitlab/import/errors_spec.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Import::Errors, feature_category: :importers do
+  let_it_be(:project) { create(:project) }
+
+  describe '.merge_nested_errors' do
+    it 'merges nested collection errors' do
+      issue = project.issues.new(
+        title: 'test',
+        notes: [
+          Note.new(
+            award_emoji: [AwardEmoji.new(name: 'test')]
+          )
+        ],
+        sentry_issue: SentryIssue.new
+      )
+
+      issue.validate
+
+      expect(issue.errors.full_messages)
+        .to contain_exactly(
+          "Author can't be blank",
+          "Notes is invalid",
+          "Sentry issue sentry issue identifier can't be blank"
+        )
+
+      described_class.merge_nested_errors(issue)
+
+      expect(issue.errors.full_messages)
+        .to contain_exactly(
+          "Notes is invalid",
+          "Author can't be blank",
+          "Sentry issue sentry issue identifier can't be blank",
+          "Award emoji is invalid",
+          "Note can't be blank",
+          "Project can't be blank",
+          "Noteable can't be blank",
+          "Author can't be blank",
+          "Project does not match noteable project",
+          "User can't be blank",
+          "Awardable can't be blank",
+          "Name is not a valid emoji name"
+        )
+    end
+  end
+end