Add unsigned support for numeric data types

Author: daichirata

.rubocop_todo.yml

@@ -81,15 +81,15 @@ Lint/UselessAccessModifier:
 
 # Offense count: 16
 Metrics/AbcSize:
-  Max: 154
+  Max: 156
 
 # Offense count: 2
 Metrics/BlockNesting:
   Max: 4
 
 # Offense count: 7
 Metrics/CyclomaticComplexity:
-  Max: 36
+  Max: 38
 
 # Offense count: 344
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes.
@@ -100,16 +100,16 @@ Metrics/LineLength:
 # Offense count: 24
 # Configuration parameters: CountComments.
 Metrics/MethodLength:
-  Max: 83
+  Max: 84
 
 # Offense count: 2
 # Configuration parameters: CountComments.
 Metrics/ModuleLength:
-  Max: 522
+  Max: 523
 
 # Offense count: 7
 Metrics/PerceivedComplexity:
-  Max: 43
+  Max: 45
 
 # Offense count: 1
 Style/AccessorMethodName:

lib/annotate/annotate_models.rb

@@ -221,6 +221,7 @@ def get_schema_info(klass, header, options = {})
 
         attrs = []
         attrs << "default(#{schema_default(klass, col)})" unless col.default.nil? || NO_DEFAULT_COL_TYPES.include?(col_type)
+        attrs << 'unsigned' if col.respond_to?(:unsigned?) && col.unsigned?
         attrs << 'not null' unless col.null
         attrs << 'primary key' if klass.primary_key && (klass.primary_key.is_a?(Array) ? klass.primary_key.collect(&:to_sym).include?(col.name.to_sym) : col.name.to_sym == klass.primary_key.to_sym)
 

spec/annotate/annotate_models_spec.rb

@@ -118,6 +118,7 @@ def mock_column(name, type, options={})
 #
 EOS
   end
+
   it "should get schema info with enum type " do
     klass = mock_class(:users, nil, [
                                      mock_column(:id, :integer),
@@ -135,6 +136,29 @@ def mock_column(name, type, options={})
 EOS
   end
 
+  it "should get schema info with unsigned" do
+    klass = mock_class(:users, nil, [
+                                     mock_column(:id, :integer),
+                                     mock_column(:integer, :integer, :unsigned? => true),
+                                     mock_column(:bigint,  :bigint,  :unsigned? => true),
+                                     mock_column(:float,   :float,   :unsigned? => true),
+                                     mock_column(:decimal, :decimal, :unsigned? => true, :precision => 10, :scale => 2),
+                                    ])
+
+    expect(AnnotateModels.get_schema_info(klass, "Schema Info")).to eql(<<-EOS)
+# Schema Info
+#
+# Table name: users
+#
+#  id      :integer          not null
+#  integer :integer          unsigned, not null
+#  bigint  :bigint           unsigned, not null
+#  float   :float            unsigned, not null
+#  decimal :decimal(10, 2)   unsigned, not null
+#
+EOS
+  end
+
   it "should get schema info for integer and boolean with default" do
            klass = mock_class(:users, :id, [
               mock_column(:id, :integer),