clone miq_tasks#owner_id to miq_tasks#group_id for dashboards assigne…

…d to group

This PR should go together with ManageIQ/manageiq#19491
Fixes issue ManageIQ/manageiq#18924

db/migrate/20191112132759_copy_owner_id_to_group_id_for_dashboards.rb

@@ -0,0 +1,19 @@
+class CopyOwnerIdToGroupIdForDashboards < ActiveRecord::Migration[5.1]
+  class MiqSet < ActiveRecord::Base; end
+
+  def up
+    say_with_time("Copying owner_id to group_id in miq_sets table for each dashboard assigned to group") do
+      MiqSet.where(:set_type => "MiqWidgetSet", :owner_type => "MiqGroup").find_each do |dashboard|
+        dashboard.update(:group_id => dashboard.owner_id)
+      end
+    end
+  end
+
+  def down
+    say_with_time("Nullifying group_id column in miw_sets table for each dashboard assigned to group") do
+      MiqSet.where(:set_type => "MiqWidgetSet", :owner_type => "MiqGroup").find_each do |dashboard|
+        dashboard.update(:group_id => nil)
+      end
+    end
+  end
+end

spec/migrations/20191112132759_copy_owner_id_to_group_id_for_dashboards_spec.rb

@@ -0,0 +1,27 @@
+require_migration
+
+describe CopyOwnerIdToGroupIdForDashboards do
+  let(:miq_set)  { migration_stub(:MiqSet) }
+  let(:name)     { "Hello Dashboard" }
+  let(:group_id) { 1 }
+
+  migration_context :up do
+    it "Copying owner_id to group_id in miq_sets table for each dashboard assigned to group only" do
+      dashboard = miq_set.create!(:name => name, :set_type => "MiqWidgetSet", :owner_type => "MiqGroup", :owner_id => group_id)
+
+      migrate
+
+      expect(dashboard.reload.group_id).to eq(group_id)
+    end
+  end
+
+  migration_context :down do
+    it "Nullifying group_id column in miw_sets table for each dashboard assigned to group" do
+      dashboard = miq_set.create!(:name => name, :set_type => "MiqWidgetSet", :owner_type => "MiqGroup", :owner_id => group_id, :group_id => group_id)
+
+      migrate
+
+      expect(dashboard.reload.group_id).to be nil
+    end
+  end
+end