More docs and more tests

library/system/src/lib/yast2/shared_lib_info.rb

@@ -21,6 +21,12 @@ module Yast
   # /proc/$pid/maps file.
   #
   # For testing, a fixed file can be used.
+  #
+  # The information stored in this class is only a snapshot in the life time of
+  # the process. As new shared libs are loaded (e.g. plug-ins are loaded with
+  # dlopen()), this information may become outdated. In that case, simply let
+  # the old instance go out of scope and create a new one.
+  #
   class SharedLibInfo
     # @return [Array<String>] Complete paths of the shared libs
     attr_reader :shared_libs

library/system/src/lib/yast2/ui_plugin_info.rb

@@ -22,6 +22,12 @@ module Yast
   # /proc/$pid/maps file.
   #
   # For testing, a fixed file can be used.
+  #
+  # The information stored in this class is only a snapshot in the life time of
+  # the process. As new shared libs are loaded (e.g. plug-ins are loaded with
+  # dlopen()), this information may become outdated. In that case, simply let
+  # the old instance go out of scope and create a new one.
+  #
   class UiPluginInfo < SharedLibInfo
     include Yast::Logger
 

library/system/test/shared_lib_info_test.rb

@@ -99,4 +99,14 @@ def stored_proc_maps(scenario)
       expect(described_class.so_number("/usr/lib64/libc-2.33.so")).to eq nil
     end
   end
+
+  describe "#build_lib_name" do
+    it "correctly builds a UI plug-in name" do
+      expect(described_class.build_lib_name("libyui-qt-pkg", "15.0.0")).to eq "libyui-qt-pkg.so.15.0.0"
+    end
+
+    it "correctly builds a libc path without a SO number" do
+      expect(described_class.build_lib_name("libc-2.33", nil)).to eq "libc-2.33.so"
+    end
+  end
 end