Provide :hide_limit_column_types option to skip column size, #278

bin/annotate

@@ -178,6 +178,10 @@ OptionParser.new do |opts|
     ENV['ignore_columns'] = regex
   end
 
+  opts.on('--hide-limit-column-types VALUES', "don't show limit for given column types, separated by comas (i.e., `integer,boolean,text`)" ) do |values|
+    ENV['hide_limit_column_types'] = "#{values}"
+  end
+
 end.parse!
 
 options = Annotate.setup_options({ :is_rake => ENV['is_rake'] && !ENV['is_rake'].empty? })

lib/annotate.rb

@@ -30,7 +30,8 @@ module Annotate
     :exclude_scaffolds, :exclude_controllers, :exclude_helpers
   ]
   OTHER_OPTIONS=[
-    :ignore_columns, :skip_on_db_migrate, :wrapper_open, :wrapper_close, :wrapper, :routes
+    :ignore_columns, :skip_on_db_migrate, :wrapper_open, :wrapper_close, :wrapper, :routes,
+    :hide_limit_column_types,
   ]
   PATH_OPTIONS=[
     :require, :model_dir, :root_dir

lib/annotate/annotate_models.rb

@@ -202,7 +202,7 @@ module AnnotateModels
             if col.limit.is_a? Array
               attrs << "(#{col.limit.join(', ')})"
             else
-              col_type << "(#{col.limit})" unless NO_LIMIT_COL_TYPES.include?(col_type)
+              col_type << "(#{col.limit})" unless hide_limit?(col_type, options)
             end
           end
         end
@@ -281,6 +281,17 @@ module AnnotateModels
       return index_info
     end
 
+    def hide_limit?(col_type, options)
+      excludes = 
+        if options[:hide_limit_column_types].blank?
+          NO_LIMIT_COL_TYPES
+        else
+          options[:hide_limit_column_types].split(',')
+        end
+
+      excludes.include?(col_type)
+    end
+
     def get_foreign_key_info(klass, options={})
       if(options[:format_markdown])
         fk_info = "#\n# ### Foreign Keys\n#\n"

lib/generators/annotate/templates/auto_annotate_models.rake

@@ -29,6 +29,7 @@ if Rails.env.development?
       'exclude_helpers'         => 'false',
       'ignore_model_sub_dir'    => 'false',
       'ignore_columns'          => nil,
+      'hide_limit_column_types' => '<%= AnnotateModels::NO_LIMIT_COL_TYPES.join(',') %>',
       'skip_on_db_migrate'      => 'false',
       'format_bare'             => 'true',
       'format_rdoc'             => 'false',

spec/annotate/annotate_models_spec.rb

@@ -2,6 +2,7 @@
 require File.dirname(__FILE__) + '/../spec_helper.rb'
 require 'annotate/annotate_models'
 require 'annotate/active_record_patch'
+require 'active_support/core_ext/string'
 
 describe AnnotateModels do
   def mock_foreign_key(name, from_column, to_table, to_column = 'id')
@@ -60,10 +61,11 @@ describe AnnotateModels do
   it { expect(AnnotateModels.quote(BigDecimal.new("1.2"))).to eql("1.2") }
   it { expect(AnnotateModels.quote([BigDecimal.new("1.2")])).to eql(["1.2"]) }
 
-  it "should get schema info" do
+  it "should get schema info with default options" do
     klass = mock_class(:users, :id, [
-                                     mock_column(:id, :integer),
-                                     mock_column(:name, :string, :limit => 50)
+                                     mock_column(:id, :integer,  :limit => 8),
+                                     mock_column(:name, :string, :limit => 50),
+                                     mock_column(:notes, :text,  :limit => 55),
                                     ])
 
     expect(AnnotateModels.get_schema_info(klass, "Schema Info")).to eql(<<-EOS)
@@ -73,6 +75,7 @@ describe AnnotateModels do
 #
 #  id    :integer          not null, primary key
 #  name  :string(50)       not null
+#  notes :text(55)         not null
 #
 EOS
   end
@@ -192,6 +195,61 @@ EOS
 EOS
   end
 
+  describe "#get_schema_info with custom options" do
+    def self.when_called_with(options = {})
+      expected = options.delete(:returns)
+
+      it "should work with options = #{options}" do
+        klass = mock_class(:users, :id, [
+                                       mock_column(:id,     :integer, :limit => 8),
+                                       mock_column(:active, :boolean, :limit => 1),
+                                       mock_column(:name,   :string,  :limit => 50),
+                                       mock_column(:notes,  :text,    :limit => 55),
+                                      ])
+        schema_info = AnnotateModels.get_schema_info(klass, "Schema Info", options)
+        expect(schema_info).to eql(expected)
+      end
+    end
+
+    when_called_with hide_limit_column_types: '', returns: <<-EOS.strip_heredoc
+      # Schema Info
+      #
+      # Table name: users
+      #
+      #  id     :integer          not null, primary key
+      #  active :boolean          not null
+      #  name   :string(50)       not null
+      #  notes  :text(55)         not null
+      #
+    EOS
+
+    when_called_with hide_limit_column_types: 'integer,boolean', returns:
+      <<-EOS.strip_heredoc
+      # Schema Info
+      #
+      # Table name: users
+      #
+      #  id     :integer          not null, primary key
+      #  active :boolean          not null
+      #  name   :string(50)       not null
+      #  notes  :text(55)         not null
+      #
+    EOS
+    
+    when_called_with hide_limit_column_types: 'integer,boolean,string,text', returns:
+      <<-EOS.strip_heredoc
+      # Schema Info
+      #
+      # Table name: users
+      #
+      #  id     :integer          not null, primary key
+      #  active :boolean          not null
+      #  name   :string           not null
+      #  notes  :text             not null
+      #
+    EOS
+  end
+
   describe "#get_model_class" do
     require "tmpdir"