Added zip code and phone format validators.

CHANGELOG

@@ -1,5 +1,8 @@
 == unreleased changes
 
+* Added a zip code format validator and tests
+* Added a phone format validator and tests
+
 == 0.0.4
 
 * Added a currency validator

app/validators/phone_format_validator.rb

@@ -0,0 +1,11 @@
+# Custom Validations for Phone Number format
+
+# e.g. validates :home_phone, :phone_format => true
+# e.g. validates :cell_phone, :phone_format => { :allow_blank => true, :if => :method_returns_true }
+class PhoneFormatValidator < ActiveModel::EachValidator
+  def validate_each record, attribute, value
+    format = /^1?[-\. ]?(\(\d{3}\)?[-\. ]?|\d{3}?[-\. ]?)?\d{3}?[-\. ]?\d{4}$/
+    message = attribute.to_s.humanize + ' doesn\'t match an acceptable format.'
+    record.errors[attribute] << (options[:message] || message ) unless value =~ format
+  end
+end

app/validators/zipcode_format_validator.rb

@@ -0,0 +1,11 @@
+# Custom Validations for Zip Code format
+
+# e.g. validates :zip, :zipcode_format => true
+# e.g. validates :zip, :zipcode_format => { :allow_blank => true, :if => :method_returns_true }
+class ZipcodeFormatValidator < ActiveModel::EachValidator
+  def validate_each record, attribute, value
+    format = /^\A[\d]{5}(?:[-|\s][\d]{4})?\Z$/
+    message = attribute.to_s.humanize + ' doesn\'t match an acceptable format.'
+    record.errors[attribute] << (options[:message] || message ) unless value =~ format
+  end
+end

spec/validators/phone_format_validator_spec.rb

@@ -0,0 +1,52 @@
+require 'spec_helper'
+
+describe PhoneFormatValidator do
+  describe ".validate_each" do
+    before(:each) do
+      @options = {:attributes => {}}
+      @validator = PhoneFormatValidator.new(@options)
+      @record = BasicRecord.new(:phone)
+    end
+
+    it "should validate 7 digit phone number" do
+      @record.errors[:phone].should_not_receive("<<")
+      @validator.validate_each(@record, :phone, "123-4567")
+    end
+
+    it "should validate 10 digit phone number without area code parentheses" do
+      @record.errors[:phone].should_not_receive("<<")
+      @validator.validate_each(@record, :phone, "321-123-4567")
+    end
+
+    it "should validate 10 digit phone number with area code parentheses" do
+      @record.errors[:phone].should_not_receive("<<")
+      @validator.validate_each(@record, :phone, "(321) 123-4567")
+    end
+
+    it "should validate 10 digit phone number with a 1 first" do
+      @record.errors[:phone].should_not_receive("<<")
+      @validator.validate_each(@record, :phone, "1-321-123-4567")
+    end
+
+    it "should allow dashes between numbers" do
+      @record.errors[:phone].should_not_receive("<<")
+      @validator.validate_each(@record, :phone, "1-321-123-4567")
+    end
+
+    it "should allow a single space between numbers" do
+      @record.errors[:phone].should_not_receive("<<")
+      @validator.validate_each(@record, :phone, "1 321 123 4567")
+    end
+
+    it "should allow multiple whitespace characters between numbers" do
+      @record.errors[:phone].should_not_receive("<<")
+      @validator.validate_each(@record, :phone, "123  4567")
+    end
+
+    it "should not validate 5 digit phone number" do
+      @record.errors[:phone].should_receive("<<")
+      @validator.validate_each(@record, :phone, "3-4567")
+    end
+
+  end
+end

spec/validators/zipcode_format_validator_spec.rb

@@ -0,0 +1,41 @@
+require 'spec_helper'
+
+describe ZipcodeFormatValidator do
+  describe ".validate_each" do
+    before(:each) do
+      @options = {:attributes => {}}
+      @validator = ZipcodeFormatValidator.new(@options)
+      @record = BasicRecord.new(:zip_code)
+    end
+
+    it "should validate 5 digit zip codes" do
+      @record.errors[:zip_code].should_not_receive("<<")
+      @validator.validate_each(@record, :zip_code, "12345")
+    end
+
+    it "should validate 9 digit zip codes with a space"do
+      @record.errors[:zip_code].should_not_receive("<<")
+      @validator.validate_each(@record, :zip_code, "12345 6789")
+    end
+
+    it "should validate 9 digit zip codes with a dash"do
+      @record.errors[:zip_code].should_not_receive("<<")
+      @validator.validate_each(@record, :zip_code, "12345-6789")
+    end
+
+    it "should not validate 9 digit zip codes with nothing between the first 5 and last 4"do
+      @record.errors[:zip_code].should_receive("<<")
+      @validator.validate_each(@record, :zip_code, "123456789")
+    end
+
+    it "should not validate zip codes of other lengths"do
+      @record.errors[:zip_code].should_receive("<<")
+      @validator.validate_each(@record, :zip_code, "123456")
+    end
+
+    it "does not have support for canadian zip codes"do
+      @record.errors[:zip_code].should_receive("<<")
+      @validator.validate_each(@record, :zip_code, "K1A OB1")
+    end
+  end
+end