Fix annotations for columns with long data types (#622)

Handle potential negative padding in `#mb_chars_ljust` when having a `col_length` > 16, the default hardcoded value of `bare_type_allowance`.

Author: colbymelvin

lib/annotate/annotate_models.rb

@@ -910,7 +910,11 @@ def width(string)
     def mb_chars_ljust(string, length)
       string = string.to_s
       padding = length - width(string)
-      string + (' ' * padding)
+      if padding > 0
+        string + (' ' * padding)
+      else
+        string[0..length-1]
+      end
     end
   end
 

spec/annotate/annotate_models_spec.rb

@@ -943,7 +943,8 @@ def self.when_called_with(options = {})
         [:active,     :boolean, { limit: 1,  comment: 'ＡＣＴＩＶＥ' }],
         [:name,       :string,  { limit: 50, comment: 'ＮＡＭＥ' }],
         [:notes,      :text,    { limit: 55, comment: 'ＮＯＴＥＳ' }],
-        [:no_comment, :text,    { limit: 20, comment: nil }]
+        [:no_comment, :text,    { limit: 20, comment: nil }],
+        [:location,   :geometry_collection, { limit: nil, comment: nil }]
       ]
 
       when_called_with with_comment: 'yes',
@@ -958,6 +959,7 @@ def self.when_called_with(options = {})
         #  name(ＮＡＭＥ)       :string(50)       not null
         #  notes(ＮＯＴＥＳ)    :text(55)         not null
         #  no_comment           :text(20)         not null
+        #  location             :geometry_collect not null
         #
       EOS