Add Ruby server interceptors

1 files changed, 73 insertions, 0 deletions

diff --git a/src/ruby/spec/support/helpers.rb b/src/ruby/spec/support/helpers.rb
new file mode 100644
index 0000000000..65fffff9e7
--- /dev/null
+++ b/src/ruby/spec/support/helpers.rb
@@ -0,0 +1,73 @@
+# Copyright 2017 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# GRPC contains the General RPC module.
+module GRPC
+  ##
+  # GRPC RSpec base module
+  #
+  module Spec
+    ##
+    # A module that is used for providing generic helpers across the
+    # GRPC test suite
+    #
+    module Helpers
+      # Shortcut syntax for a GRPC RPC Server
+      RpcServer = GRPC::RpcServer
+
+      ##
+      # Build an RPC server used for testing
+      #
+      def build_rpc_server(server_opts: {},
+                           client_opts: {})
+        @server = RpcServer.new({ poll_period: 1 }.merge(server_opts))
+        @port = @server.add_http2_port('0.0.0.0:0', :this_port_is_insecure)
+        @host = "0.0.0.0:#{@port}"
+        @client_opts = client_opts
+        @server
+      end
+
+      ##
+      # Run services on an RPC server, yielding to allow testing within
+      #
+      # @param [RpcServer] server
+      # @param [Array<Class>] services
+      #
+      def run_services_on_server(server, services: [])
+        services.each do |s|
+          server.handle(s)
+        end
+        t = Thread.new { server.run }
+        server.wait_till_running
+
+        yield
+
+        server.stop
+        t.join
+      end
+
+      ##
+      # Build an insecure stub from a given stub class
+      #
+      # @param [Class] klass
+      # @param [String] host
+      #
+      def build_insecure_stub(klass, host: nil, opts: nil)
+        host ||= @host
+        opts ||= @client_opts
+        klass.new(host, :this_channel_is_insecure, **opts)
+      end
+    end
+  end
+end