Removed error_format, will match the request content-type matched format.

CHANGELOG.markdown

@@ -7,6 +7,7 @@
 * [#273](https://github.com/intridea/grape/pull/273): Disabled formatting via `serializable_hash` and added support for `format :serializable_hash` in API settings - [@dblock](https://github.com/dblock).
 * [#277](https://github.com/intridea/grape/pull/277): Added a DSL to declare `formatter` in API settings - [@tim-vandecasteele](https://github.com/tim-vandecasteele).
 * [#284](https://github.com/intridea/grape/pull/284): Added a DSL to declare `error_formatter` in API settings - [@dblock](https://github.com/dblock).
+* [#285](https://github.com/intridea/grape/pull/285): Removed `error_format` from API settings, now matches request format - [@dblock](https://github.com/dblock).
 * Your contribution here.
 
 0.2.2

README.markdown

@@ -492,14 +492,7 @@ class Twitter::API < Grape::API
 end
 ```
 
-The error format can be specified using `error_format`. Available formats are
-`:json`, `:xml` and `:txt` (default).
-
-``` ruby
-class Twitter::API < Grape::API
-  error_format :json
-end
-```
+The error format will match the request format. See "Content-Types" below.
 
 Custom error formatters for existing and additional types can be defined with a proc.
 
@@ -519,7 +512,6 @@ module CustomFormatter
 end
 
 class Twitter::API < Grape::API
-  error_format :custom
   error_formatter :custom, CustomFormatter
 end
 ```

lib/grape/api.rb

@@ -139,12 +139,6 @@ def error_formatter(format, new_formatter)
         settings.imbue(:error_formatters, format.to_sym => new_formatter)
       end
 
-      # Specify the format for error messages.
-      # May be `:json` or `:txt` (default).
-      def error_format(new_format = nil)
-        new_format ? set(:error_format, new_format.to_sym) : settings[:error_format]
-      end
-
       # Specify additional content-types, e.g.:
       #   content_type :xls, 'application/vnd.ms-excel'
       def content_type(key, val)

lib/grape/endpoint.rb

@@ -377,7 +377,6 @@ def build_middleware
         :default_status => settings[:default_error_status] || 403,
         :rescue_all => settings[:rescue_all],
         :rescued_errors => aggregate_setting(:rescued_errors),
-        :format => settings[:error_format] || :txt,
         :error_formatters => settings[:error_formatters],
         :rescue_options => settings[:rescue_options],
         :rescue_handlers => merged_setting(:rescue_handlers)

lib/grape/middleware/base.rb

@@ -58,7 +58,7 @@ def content_types
       end
 
       def content_type
-        content_types[options[:format]] || 'text/html'
+        content_types[env['api.format'] || options[:format]] || 'text/html'
       end
 
       def mime_types

lib/grape/middleware/error.rb

@@ -60,8 +60,9 @@ def rack_response(message, status = options[:default_status], headers = { 'Conte
       end
 
       def format_message(message, backtrace, status)
-        formatter = Grape::ErrorFormatter::Base.formatter_for(options[:format], options)
-        throw :error, :status => 406, :message => "The requested format #{options[:format]} is not supported." unless formatter
+        format = env['api.format'] || options[:format]
+        formatter = Grape::ErrorFormatter::Base.formatter_for(format, options)
+        throw :error, :status => 406, :message => "The requested format #{format} is not supported." unless formatter
         formatter.call(message, backtrace, options)
       end
 

spec/grape/api_spec.rb

@@ -456,7 +456,7 @@ def subject.enable_root_route!
     end
 
     it 'should set content type for error' do
-      subject.error_format :json
+      subject.format :json
       subject.get('/error') { error!('error in json', 500) }
       get '/error.json'
       last_response.headers['Content-Type'].should eql 'application/json'
@@ -868,10 +868,10 @@ class CommunicationError < RuntimeError; end
     end
   end
 
-  describe ".error_format" do
+  describe ".format for error" do
     it 'should rescue all errors and return :txt' do
       subject.rescue_from :all
-      subject.error_format :txt
+      subject.format :txt
       subject.get '/exception' do
         raise "rain!"
       end
@@ -881,7 +881,7 @@ class CommunicationError < RuntimeError; end
 
     it 'should rescue all errors and return :txt with backtrace' do
       subject.rescue_from :all, :backtrace => true
-      subject.error_format :txt
+      subject.format :txt
       subject.get '/exception' do
         raise "rain!"
       end
@@ -910,7 +910,7 @@ def self.call(message, backtrace, options)
 
     it 'should rescue all errors and return :json' do
       subject.rescue_from :all
-      subject.error_format :json
+      subject.format :json
       subject.get '/exception' do
         raise "rain!"
       end
@@ -919,7 +919,7 @@ def self.call(message, backtrace, options)
     end
     it 'should rescue all errors and return :json with backtrace' do
       subject.rescue_from :all, :backtrace => true
-      subject.error_format :json
+      subject.format :json
       subject.get '/exception' do
         raise "rain!"
       end
@@ -929,15 +929,15 @@ def self.call(message, backtrace, options)
       json["backtrace"].length.should > 0
     end
     it 'should rescue error! and return txt' do
-      subject.error_format :txt
+      subject.format :txt
       subject.get '/error' do
         error!("Access Denied", 401)
       end
       get '/error'
       last_response.body.should eql "Access Denied"
     end
     it 'should rescue error! and return json' do
-      subject.error_format :json
+      subject.format :json
       subject.get '/error' do
         error!("Access Denied", 401)
       end

spec/grape/validations/presence_spec.rb

@@ -19,7 +19,7 @@ class API < Grape::API
         post do
           {:ret => params[:id]}
         end
-        
+
         params do
           requires :name, :company
         end
@@ -52,7 +52,7 @@ class API < Grape::API
       end
     end
   end
-  
+
   def app
     ValidationsSpec::PresenceValidatorSpec::API
   end
@@ -62,30 +62,30 @@ def app
     last_response.status.should == 200
     last_response.body.should == "All the bacon"
   end
-  
+
   it 'validates id' do
     post('/')
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: id"
-    
+    last_response.body.should == '{"error":"missing parameter: id"}'
+
     post('/', {}, 'rack.input' => StringIO.new('{"id" : "a56b"}'))
-    last_response.body.should == 'invalid parameter: id'
+    last_response.body.should == '{"error":"invalid parameter: id"}'
     last_response.status.should == 400
-    
+
     post('/', {}, 'rack.input' => StringIO.new('{"id" : 56}'))
     last_response.body.should == '{"ret":56}'
     last_response.status.should == 201
   end
-  
+
   it 'validates name, company' do
     get('/')
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: name"
-    
+    last_response.body.should == '{"error":"missing parameter: name"}'
+
     get('/', :name => "Bob")
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: company"
-    
+    last_response.body.should == '{"error":"missing parameter: company"}'
+
     get('/', :name => "Bob", :company => "TestCorp")
     last_response.status.should == 200
     last_response.body.should == "Hello"
@@ -94,11 +94,11 @@ def app
   it 'validates nested parameters' do
     get('/nested')
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: first_name"
+    last_response.body.should == '{"error":"missing parameter: first_name"}'
 
     get('/nested', :user => {:first_name => "Billy"})
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: last_name"
+    last_response.body.should == '{"error":"missing parameter: last_name"}'
 
     get('/nested', :user => {:first_name => "Billy", :last_name => "Bob"})
     last_response.status.should == 200
@@ -108,27 +108,27 @@ def app
   it 'validates triple nested parameters' do
     get('/nested_triple')
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: admin_name"
+    last_response.body.should == '{"error":"missing parameter: admin_name"}'
 
     get('/nested_triple', :user => {:first_name => "Billy"})
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: admin_name"
+    last_response.body.should == '{"error":"missing parameter: admin_name"}'
 
     get('/nested_triple', :admin => {:super => {:first_name => "Billy"}})
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: admin_name"
+    last_response.body.should == '{"error":"missing parameter: admin_name"}'
 
     get('/nested_triple', :super => {:user => {:first_name => "Billy", :last_name => "Bob"}})
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: admin_name"
+    last_response.body.should == '{"error":"missing parameter: admin_name"}'
 
     get('/nested_triple', :admin => {:super => {:user => {:first_name => "Billy"}}})
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: admin_name"
+    last_response.body.should == '{"error":"missing parameter: admin_name"}'
 
     get('/nested_triple', :admin => { :admin_name => 'admin', :super => {:user => {:first_name => "Billy"}}})
     last_response.status.should == 400
-    last_response.body.should == "missing parameter: last_name"
+    last_response.body.should == '{"error":"missing parameter: last_name"}'
 
     get('/nested_triple', :admin => { :admin_name => 'admin', :super => {:user => {:first_name => "Billy", :last_name => "Bob"}}})
     last_response.status.should == 200

spec/spec_helper.rb

@@ -2,7 +2,7 @@
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), 'support'))
 
-$stdout = StringIO.new
+# $stdout = StringIO.new
 
 require 'grape'