make filter beta addons button persistent (bnc#996891)

src/lib/registration/ui/addon_selection_base_dialog.rb

@@ -23,6 +23,10 @@ class AddonSelectionBaseDialog
       Yast.import "Stage"
       Yast.import "Arch"
 
+      class << self
+        attr_accessor :filter_beta
+      end
+
       FILTER_BETAS_INITIALLY = true
 
       # constructor
@@ -35,7 +39,9 @@ def initialize(registration)
         # sort the addons
         @all_addons.sort!(&::Registration::ADDON_SORTER)
 
-        filter_beta_releases(FILTER_BETAS_INITIALLY)
+        self.class.filter_beta = FILTER_BETAS_INITIALLY if self.class.filter_beta.nil?
+
+        filter_beta_releases(self.class.filter_beta)
 
         @old_selection = Addon.selected.dup
 
@@ -64,6 +70,7 @@ def addon_widget_id(addon)
       # Enables or disables beta addons filtering
       # @param [Boolean] enable true for filtering beta releases
       def filter_beta_releases(enable)
+        self.class.filter_beta = enable
         @addons = enable ? @all_addons.reject(&:beta_release?) : @all_addons
       end
 

test/addon_selection_dialog_test.rb

@@ -17,6 +17,17 @@
     addon_reset_cache
   end
 
+  describe "#initialize" do
+    it "sets filter beta to previous state" do
+      fake_ref = double.as_null_object
+      res = described_class.new(fake_ref)
+      res.send(:filter_beta_releases, false)
+
+      expect_any_instance_of(described_class).to receive(:filter_beta_releases).with(false)
+      described_class.new(fake_ref)
+    end
+  end
+
   describe ".run" do
     subject { Registration::UI::AddonSelectionRegistrationDialog }