1 files changed, 46 insertions, 0 deletions
diff --git a/app/models/ci/unit_test.rb b/app/models/ci/unit_test.rb
new file mode 100644
index 00000000000..81623b4f6ad
--- /dev/null
+++ b/app/models/ci/unit_test.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Ci
+  class UnitTest < ApplicationRecord
+    extend Gitlab::Ci::Model
+
+    MAX_NAME_SIZE = 255
+    MAX_SUITE_NAME_SIZE = 255
+
+    validates :project, :key_hash, :name, :suite_name, presence: true
+
+    has_many :unit_test_failures, class_name: 'Ci::UnitTestFailure'
+
+    belongs_to :project
+
+    scope :by_project_and_keys, -> (project, keys) { where(project_id: project.id, key_hash: keys) }
+
+    class << self
+      def find_or_create_by_batch(project, unit_test_attrs)
+        # Insert records first. Existing ones will be skipped.
+        insert_all(build_insert_attrs(project, unit_test_attrs))
+
+        # Find all matching records now that we are sure they all are persisted.
+        by_project_and_keys(project, gather_keys(unit_test_attrs))
+      end
+
+      private
+
+      def build_insert_attrs(project, unit_test_attrs)
+        # NOTE: Rails 6.1 will add support for insert_all on relation so that
+        # we will be able to do project.test_cases.insert_all.
+        unit_test_attrs.map do |attrs|
+          attrs.merge(
+            project_id: project.id,
+            name: attrs[:name].truncate(MAX_NAME_SIZE),
+            suite_name: attrs[:suite_name].truncate(MAX_SUITE_NAME_SIZE)
+          )
+        end
+      end
+
+      def gather_keys(unit_test_attrs)
+        unit_test_attrs.map { |attrs| attrs[:key_hash] }
+      end
+    end
+  end
+end