1 files changed, 186 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/request/multipart_params_parsing_test.rb b/actionpack/test/dispatch/request/multipart_params_parsing_test.rb
new file mode 100644
index 0000000000..926472163e
--- /dev/null
+++ b/actionpack/test/dispatch/request/multipart_params_parsing_test.rb
@@ -0,0 +1,186 @@
+# encoding: utf-8
+require 'abstract_unit'
+
+class MultipartParamsParsingTest < ActionDispatch::IntegrationTest
+  class TestController < ActionController::Base
+    class << self
+      attr_accessor :last_request_parameters, :last_parameters
+    end
+
+    def parse
+      self.class.last_request_parameters = begin
+        request.request_parameters
+      rescue EOFError
+        {}
+      end
+      self.class.last_parameters = request.parameters
+      head :ok
+    end
+
+    def read
+      render :text => "File: #{params[:uploaded_data].read}"
+    end
+  end
+
+  FIXTURE_PATH = File.dirname(__FILE__) + '/../../fixtures/multipart'
+
+  def teardown
+    TestController.last_request_parameters = nil
+  end
+
+  test "parses single parameter" do
+    assert_equal({ 'foo' => 'bar' }, parse_multipart('single_parameter'))
+  end
+
+  test "parses bracketed parameters" do
+    assert_equal({ 'foo' => { 'baz' => 'bar'}}, parse_multipart('bracketed_param'))
+  end
+
+  test "parse single utf8 parameter" do
+    assert_equal({ 'Iñtërnâtiônàlizætiøn_name' => 'Iñtërnâtiônàlizætiøn_value'}, 
+                 parse_multipart('single_utf8_param'), "request.request_parameters")
+    assert_equal(
+      'Iñtërnâtiônàlizætiøn_value',
+      TestController.last_parameters['Iñtërnâtiônàlizætiøn_name'], "request.parameters")
+  end
+
+  test "parse bracketed utf8 parameter" do
+    assert_equal({ 'Iñtërnâtiônàlizætiøn_name' => { 
+      'Iñtërnâtiônàlizætiøn_nested_name' => 'Iñtërnâtiônàlizætiøn_value'} }, 
+      parse_multipart('bracketed_utf8_param'), "request.request_parameters")
+    assert_equal(
+      {'Iñtërnâtiônàlizætiøn_nested_name' => 'Iñtërnâtiônàlizætiøn_value'},
+      TestController.last_parameters['Iñtërnâtiônàlizætiøn_name'], "request.parameters")
+  end
+
+  test "parses text file" do
+    params = parse_multipart('text_file')
+    assert_equal %w(file foo), params.keys.sort
+    assert_equal 'bar', params['foo']
+
+    file = params['file']
+    assert_equal 'file.txt', file.original_filename
+    assert_equal "text/plain", file.content_type
+    assert_equal 'contents', file.read
+  end
+
+  test "parses boundary problem file" do
+    params = parse_multipart('boundary_problem_file')
+    assert_equal %w(file foo), params.keys.sort
+
+    file = params['file']
+    foo  = params['foo']
+
+    assert_equal 'file.txt', file.original_filename
+    assert_equal "text/plain", file.content_type
+
+    assert_equal 'bar', foo
+  end
+
+  test "parses large text file" do
+    params = parse_multipart('large_text_file')
+    assert_equal %w(file foo), params.keys.sort
+    assert_equal 'bar', params['foo']
+
+    file = params['file']
+
+    assert_equal 'file.txt', file.original_filename
+    assert_equal "text/plain", file.content_type
+    assert_equal(('a' * 20480), file.read)
+  end
+
+  test "parses binary file" do
+    params = parse_multipart('binary_file')
+    assert_equal %w(file flowers foo), params.keys.sort
+    assert_equal 'bar', params['foo']
+
+    file = params['file']
+    assert_equal 'file.csv', file.original_filename
+    assert_nil file.content_type
+    assert_equal 'contents', file.read
+
+    file = params['flowers']
+    assert_equal 'flowers.jpg', file.original_filename
+    assert_equal "image/jpeg", file.content_type
+    assert_equal 19512, file.size
+  end
+
+  test "parses mixed files" do
+    params = parse_multipart('mixed_files')
+    assert_equal %w(files foo), params.keys.sort
+    assert_equal 'bar', params['foo']
+
+    # Rack doesn't handle multipart/mixed for us.
+    files = params['files']
+    assert_equal 19756, files.bytesize
+  end
+
+  test "does not create tempfile if no file has been selected" do
+    params = parse_multipart('none')
+    assert_equal %w(submit-name), params.keys.sort
+    assert_equal 'Larry', params['submit-name']
+    assert_equal nil, params['files']
+  end
+
+  test "parses empty upload file" do
+    params = parse_multipart('empty')
+    assert_equal %w(files submit-name), params.keys.sort
+    assert_equal 'Larry', params['submit-name']
+    assert params['files']
+    assert_equal "", params['files'].read
+  end
+
+  test "uploads and reads binary file" do
+    with_test_routing do
+      fixture = FIXTURE_PATH + "/mona_lisa.jpg"
+      params = { :uploaded_data => fixture_file_upload(fixture, "image/jpg") }
+      post '/read', params
+    end
+  end
+
+  test "uploads and reads file" do
+    with_test_routing do
+      post '/read', :uploaded_data => fixture_file_upload(FIXTURE_PATH + "/hello.txt", "text/plain")
+      assert_equal "File: Hello", response.body
+    end
+  end
+
+  # This can happen in Internet Explorer when redirecting after multipart form submit.
+  test "does not raise EOFError on GET request with multipart content-type" do
+    with_routing do |set|
+      set.draw do
+        get ':action', controller: 'multipart_params_parsing_test/test'
+      end
+      headers = { "CONTENT_TYPE" => "multipart/form-data; boundary=AaB03x" }
+      get "/parse", {}, headers
+      assert_response :ok
+    end
+  end
+
+  private
+    def fixture(name)
+      File.open(File.join(FIXTURE_PATH, name), 'rb') do |file|
+        { "rack.input" => file.read,
+          "CONTENT_TYPE" => "multipart/form-data; boundary=AaB03x",
+          "CONTENT_LENGTH" => file.stat.size.to_s }
+      end
+    end
+
+    def parse_multipart(name)
+      with_test_routing do
+        headers = fixture(name)
+        post "/parse", headers.delete("rack.input"), headers
+        assert_response :ok
+        TestController.last_request_parameters
+      end
+    end
+
+    def with_test_routing
+      with_routing do |set|
+        set.draw do
+          post ':action', :controller => 'multipart_params_parsing_test/test'
+        end
+        yield
+      end
+    end
+end