Revert "Revert "Registry 569""

This reverts commit 4786dbb

spec/lib/validators/e164.rb

@@ -0,0 +1,29 @@
+# https://en.wikipedia.org/wiki/E.164
+
+RSpec.shared_examples 'e164' do
+  describe 'validation' do
+    it 'rejects invalid format' do
+      model.send("#{attribute}=", '+.1')
+      model.validate
+      expect(model.errors).to be_added(attribute, :invalid)
+    end
+
+    it 'rejects longer than max length' do
+      model.send("#{attribute}=", '1' * 18)
+      model.validate
+      expect(model.errors).to be_added(attribute, :too_long, count: 17)
+    end
+
+    it 'accepts valid format' do
+      model.send("#{attribute}=", '+123.4')
+      model.validate
+      expect(model.errors).to_not be_added(attribute, :invalid)
+    end
+
+    it 'accepts max length' do
+      model.send("#{attribute}=", '1' * 17)
+      model.validate
+      expect(model.errors).to_not be_added(attribute, :too_long, count: 17)
+    end
+  end
+end

spec/lib/validators/iso31661_alpha2.rb

@@ -0,0 +1,17 @@
+# https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
+
+RSpec.shared_examples 'iso31661_alpha2' do
+  describe 'validation' do
+    it 'rejects invalid' do
+      model.send("#{attribute}=", 'invalid')
+      model.validate
+      expect(model.errors).to be_added(attribute, :invalid_iso31661_alpha2)
+    end
+
+    it 'accepts valid' do
+      model.send("#{attribute}=", 'US')
+      model.validate
+      expect(model.errors).to_not be_added(attribute, :invalid_iso31661_alpha2)
+    end
+  end
+end

spec/lib/validators/iso8601.rb

@@ -0,0 +1,17 @@
+# https://en.wikipedia.org/wiki/ISO_8601
+
+RSpec.shared_examples 'iso8601' do
+  describe 'validation' do
+    it 'rejects invalid' do
+      model.send("#{attribute}=", '2010-07-0')
+      model.validate
+      expect(model.errors).to be_added(attribute, :invalid_iso8601_date)
+    end
+
+    it 'accepts valid' do
+      model.send("#{attribute}=", '2010-07-05')
+      model.validate
+      expect(model.errors).to_not be_added(attribute, :invalid_iso8601_date)
+    end
+  end
+end