Move path unescaping from DefaultGenerator to Ruby api template.

Author: cliffano

modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultGenerator.java

@@ -631,7 +631,6 @@ private File processTemplateToFile(Map<String, Object> templateData, String temp
             String templateFile = getFullTemplateFile(config, templateName);
             String template = readTemplate(templateFile);
             Template tmpl = Mustache.compiler()
-                    .escapeHTML(false)
                     .withLoader(new Mustache.TemplateLoader() {
                         @Override
                         public Reader getTemplate(String name) {

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

@@ -89,7 +89,7 @@ module {{moduleName}}
       {{/hasValidation}}
       {{/allParams}}
       # resource path
-      local_var_path = "{{path}}".sub('{format}','json'){{#pathParams}}.sub('{' + '{{baseName}}' + '}', {{paramName}}.to_s){{/pathParams}}
+      local_var_path = "{{{path}}}".sub('{format}','json'){{#pathParams}}.sub('{' + '{{baseName}}' + '}', {{paramName}}.to_s){{/pathParams}}
 
       # query parameters
       query_params = {}

modules/swagger-codegen/src/test/java/io/swagger/codegen/DefaultGeneratorTest.java

@@ -223,7 +223,7 @@ public void testGenerateUniqueOperationIds() {
     }
 
     @Test
-    public void testGenerateWithHtmlEntity() throws Exception {
+    public void testGenerateRubyClientWithHtmlEntity() throws Exception {
         final File output = folder.getRoot();
 
         final Swagger swagger = new SwaggerParser().read("src/test/resources/2_0/pathWithHtmlEntity.yaml");
@@ -239,6 +239,7 @@ public void testGenerateWithHtmlEntity() throws Exception {
         for (File file : files) {
           if (file.getName().equals("default_api.rb")) {
             apiFileGenerated = true;
+            // Ruby client should set the path unescaped in the api file
             assertTrue(FileUtils.readFileToString(file, StandardCharsets.UTF_8).contains("local_var_path = \"/foo=bar\""));
           }
         }