add pattern check to ruby model

modules/swagger-codegen/src/main/resources/ruby/model.mustache

@@ -62,7 +62,7 @@ module {{moduleName}}{{#models}}{{#model}}{{#description}}
       invalid_properties = Array.new
       {{#isEnum}}
       allowed_values = [{{#allowableValues}}{{#values}}"{{{this}}}"{{^-last}}, {{/-last}}{{/values}}{{/allowableValues}}]
-      if @{{{name}}} && !allowed_values.include?(@{{{name}}})
+      if @{{{name}}} && !allowed_values.include?({{{name}}})
         invalid_properties.push("invalid value for '{{{name}}}', must be one of #{allowed_values}.")
       end
 
@@ -96,6 +96,12 @@ module {{moduleName}}{{#models}}{{#model}}{{#description}}
       end
 
       {{/minimum}}
+      {{#pattern}}
+      if @{{{name}}} !~ Regexp.new({{{pattern}}})
+        invalid_properties.push("invalid value for '{{{name}}}', must conform to the pattern {{{pattern}}}.")
+      end
+
+      {{/pattern}}
       {{/hasValidation}}
       return invalid_properties
     end
@@ -141,6 +147,12 @@ module {{moduleName}}{{#models}}{{#model}}{{#description}}
       end
 
       {{/minimum}}
+      {{#pattern}}
+      if @{{{name}}} !~ Regexp.new({{{pattern}}})
+        return false
+      end
+
+      {{/pattern}}
       {{/hasValidation}}
       {{/vars}}
     end
@@ -151,7 +163,7 @@ module {{moduleName}}{{#models}}{{#model}}{{#description}}
     # @param [Object] {{{name}}} Object to be assigned
     def {{{name}}}=({{{name}}})
       allowed_values = [{{#allowableValues}}{{#values}}"{{{this}}}"{{^-last}}, {{/-last}}{{/values}}{{/allowableValues}}]
-      if {{{name}}} && !allowed_values.include?(@{{{name}}})
+      if {{{name}}} && !allowed_values.include?({{{name}}})
         fail ArgumentError, "invalid value for '{{{name}}}', must be one of #{allowed_values}."
       end
       @{{{name}}} = {{{name}}}
@@ -191,6 +203,12 @@ module {{moduleName}}{{#models}}{{#model}}{{#description}}
       end
 
       {{/minimum}}
+      {{#pattern}}
+      if @{{{name}}} !~ Regexp.new({{{pattern}}})
+        fail ArgumentError, "invalid value for '{{{name}}}', must conform to the pattern {{{pattern}}}."
+      end
+
+      {{/pattern}}
       @{{{name}}} = {{{name}}}
     end
 

modules/swagger-codegen/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml

@@ -787,7 +787,7 @@ definitions:
         minimum: 67.8
       string:
         type: string
-        pattern: /[a‑z]/i
+        pattern: /[a-z]/i
       byte:
         type: string
         format: byte

samples/client/petstore/ruby/README.md

@@ -8,7 +8,7 @@ This SDK is automatically generated by the [Swagger Codegen](https://github.com/
 
 - API version: 1.0.0
 - Package version: 1.0.0
-- Build date: 2016-04-25T21:47:45.004+08:00
+- Build date: 2016-04-25T22:22:56.750+08:00
 - Build package: class io.swagger.codegen.languages.RubyClientCodegen
 
 ## Installation

samples/client/petstore/ruby/lib/petstore/models/format_test.rb

@@ -190,6 +190,10 @@ module Petstore
         return false
       end
 
+      if @string !~ Regexp.new(/[a-z]/i)
+        return false
+      end
+
       if @byte.nil?
         return false
       end
@@ -309,6 +313,10 @@ module Petstore
         fail ArgumentError, "string cannot be nil"
       end
 
+      if @string !~ Regexp.new(/[a-z]/i)
+        fail ArgumentError, "invalid value for 'string', must conform to the pattern /[a-z]/i."
+      end
+
       @string = string
     end
 

samples/client/petstore/ruby/lib/petstore/models/order.rb

@@ -102,7 +102,7 @@ module Petstore
     # @return true if the model is valid
     def valid?
       allowed_values = ["placed", "approved", "delivered"]
-      if @status && !allowed_values.include?(status)
+      if @status && !allowed_values.include?(@status)
         return false
       end
     end

samples/client/petstore/ruby/lib/petstore/models/pet.rb

@@ -112,7 +112,7 @@ module Petstore
       end
 
       allowed_values = ["available", "pending", "sold"]
-      if @status && !allowed_values.include?(status)
+      if @status && !allowed_values.include?(@status)
         return false
       end
     end