Add UnicodePlot.border_types

Author: mrkn

lib/unicode_plot/renderer.rb

@@ -40,6 +40,10 @@ module BorderMaps
     barplot: BorderMaps::BORDER_BARPLOT,
   }.freeze
 
+  def self.border_types
+    BORDER_MAP.keys
+  end
+
   module BorderPrinter
     include StyledPrinter
 

test/test-utils.rb

@@ -4,4 +4,10 @@ class UnicodePlotTest < Test::Unit::TestCase
     assert_equal(available_canvas_types,
                  UnicodePlot.canvas_types)
   end
+
+  test("UnicodePlot.border_types") do
+    available_border_types = [:solid, :corners, :barplot]
+    assert_equal(available_border_types.sort,
+                 UnicodePlot.border_types.sort)
+  end
 end