1 files changed, 135 insertions, 0 deletions
diff --git a/actionpack/test/controller/webservice_test.rb b/actionpack/test/controller/webservice_test.rb
new file mode 100644
index 0000000000..4a10637b54
--- /dev/null
+++ b/actionpack/test/controller/webservice_test.rb
@@ -0,0 +1,135 @@
+# frozen_string_literal: true
+
+require "abstract_unit"
+require "active_support/json/decoding"
+
+class WebServiceTest < ActionDispatch::IntegrationTest
+  class TestController < ActionController::Base
+    def assign_parameters
+      if params[:full]
+        render plain: dump_params_keys
+      else
+        render plain: (params.keys - ["controller", "action"]).sort.join(", ")
+      end
+    end
+
+    def dump_params_keys(hash = params)
+      hash.keys.sort.inject("") do |s, k|
+        value = hash[k]
+
+        if value.is_a?(Hash) || value.is_a?(ActionController::Parameters)
+          value = "(#{dump_params_keys(value)})"
+        else
+          value = ""
+        end
+
+        s += ", " unless s.empty?
+        s += "#{k}#{value}"
+      end
+    end
+  end
+
+  def setup
+    @controller = TestController.new
+    @integration_session = nil
+  end
+
+  def test_check_parameters
+    with_test_route_set do
+      get "/"
+      assert_equal "", @controller.response.body
+    end
+  end
+
+  def test_post_json
+    with_test_route_set do
+      post "/",
+        params: '{"entry":{"summary":"content..."}}',
+        headers: { "CONTENT_TYPE" => "application/json" }
+
+      assert_equal "entry", @controller.response.body
+      assert @controller.params.has_key?(:entry)
+      assert_equal "content...", @controller.params["entry"]["summary"]
+    end
+  end
+
+  def test_put_json
+    with_test_route_set do
+      put "/",
+        params: '{"entry":{"summary":"content..."}}',
+        headers: { "CONTENT_TYPE" => "application/json" }
+
+      assert_equal "entry", @controller.response.body
+      assert @controller.params.has_key?(:entry)
+      assert_equal "content...", @controller.params["entry"]["summary"]
+    end
+  end
+
+  def test_register_and_use_json_simple
+    with_test_route_set do
+      with_params_parsers Mime[:json] => Proc.new { |data| ActiveSupport::JSON.decode(data)["request"].with_indifferent_access } do
+        post "/",
+          params: '{"request":{"summary":"content...","title":"JSON"}}',
+          headers: { "CONTENT_TYPE" => "application/json" }
+
+        assert_equal "summary, title", @controller.response.body
+        assert @controller.params.has_key?(:summary)
+        assert @controller.params.has_key?(:title)
+        assert_equal "content...", @controller.params["summary"]
+        assert_equal "JSON", @controller.params["title"]
+      end
+    end
+  end
+
+  def test_use_json_with_empty_request
+    with_test_route_set do
+      assert_nothing_raised { post "/", headers: { "CONTENT_TYPE" => "application/json" } }
+      assert_equal "", @controller.response.body
+    end
+  end
+
+  def test_dasherized_keys_as_json
+    with_test_route_set do
+      post "/?full=1",
+        params: '{"first-key":{"sub-key":"..."}}',
+        headers: { "CONTENT_TYPE" => "application/json" }
+      assert_equal "action, controller, first-key(sub-key), full", @controller.response.body
+      assert_equal "...", @controller.params["first-key"]["sub-key"]
+    end
+  end
+
+  def test_parsing_json_doesnot_rescue_exception
+    req = Class.new(ActionDispatch::Request) do
+      def params_parsers
+        { json: Proc.new { |data| raise Interrupt } }
+      end
+
+      def content_length; get_header("rack.input").length; end
+    end.new("rack.input" => StringIO.new('{"title":"JSON"}}'), "CONTENT_TYPE" => "application/json")
+
+    assert_raises(Interrupt) do
+      req.request_parameters
+    end
+  end
+
+  private
+    def with_params_parsers(parsers = {})
+      old_session = @integration_session
+      original_parsers = ActionDispatch::Request.parameter_parsers
+      ActionDispatch::Request.parameter_parsers = original_parsers.merge parsers
+      reset!
+      yield
+    ensure
+      ActionDispatch::Request.parameter_parsers = original_parsers
+      @integration_session = old_session
+    end
+
+    def with_test_route_set
+      with_routing do |set|
+        set.draw do
+          match "/", to: "web_service_test/test#assign_parameters", via: :all
+        end
+        yield
+      end
+    end
+end