Initial checkin of gRPC to third_party/

third_party/grpc/src/ruby/spec/server_spec.rb

Index: third_party/grpc/src/ruby/spec/server_spec.rb
diff --git a/third_party/grpc/src/ruby/spec/server_spec.rb b/third_party/grpc/src/ruby/spec/server_spec.rb
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+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+require 'grpc'
+
+def load_test_certs
+  test_root = File.join(File.dirname(__FILE__), 'testdata')
+  files = ['ca.pem', 'server1.key', 'server1.pem']
+  contents = files.map { |f| File.open(File.join(test_root, f)).read }
+  [contents[0], [{ private_key: contents[1], cert_chain: contents[2] }], false]
+end
+
+Server = GRPC::Core::Server
+
+describe Server do
+  def create_test_cert
+    GRPC::Core::ServerCredentials.new(*load_test_certs)
+  end
+
+  before(:each) do
+    @cq = GRPC::Core::CompletionQueue.new
+  end
+
+  describe '#start' do
+    it 'runs without failing' do
+      blk = proc { Server.new(@cq, nil).start }
+      expect(&blk).to_not raise_error
+    end
+
+    it 'fails if the server is closed' do
+      s = Server.new(@cq, nil)
+      s.close(@cq)
+      expect { s.start }.to raise_error(RuntimeError)
+    end
+  end
+
+  describe '#destroy' do
+    it 'destroys a server ok' do
+      s = start_a_server
+      blk = proc { s.destroy(@cq) }
+      expect(&blk).to_not raise_error
+    end
+
+    it 'can be called more than once without error' do
+      s = start_a_server
+      begin
+        blk = proc { s.destroy(@cq) }
+        expect(&blk).to_not raise_error
+        blk.call
+        expect(&blk).to_not raise_error
+      ensure
+        s.close(@cq)
+      end
+    end
+  end
+
+  describe '#close' do
+    it 'closes a server ok' do
+      s = start_a_server
+      begin
+        blk = proc { s.close(@cq) }
+        expect(&blk).to_not raise_error
+      ensure
+        s.close(@cq)
+      end
+    end
+
+    it 'can be called more than once without error' do
+      s = start_a_server
+      blk = proc { s.close(@cq) }
+      expect(&blk).to_not raise_error
+      blk.call
+      expect(&blk).to_not raise_error
+    end
+  end
+
+  describe '#add_http_port' do
+    describe 'for insecure servers' do
+      it 'runs without failing' do
+        blk = proc do
+          s = Server.new(@cq, nil)
+          s.add_http2_port('localhost:0', :this_port_is_insecure)
+          s.close(@cq)
+        end
+        expect(&blk).to_not raise_error
+      end
+
+      it 'fails if the server is closed' do
+        s = Server.new(@cq, nil)
+        s.close(@cq)
+        blk = proc do
+          s.add_http2_port('localhost:0', :this_port_is_insecure)
+        end
+        expect(&blk).to raise_error(RuntimeError)
+      end
+    end
+
+    describe 'for secure servers' do
+      let(:cert) { create_test_cert }
+      it 'runs without failing' do
+        blk = proc do
+          s = Server.new(@cq, nil)
+          s.add_http2_port('localhost:0', cert)
+          s.close(@cq)
+        end
+        expect(&blk).to_not raise_error
+      end
+
+      it 'fails if the server is closed' do
+        s = Server.new(@cq, nil)
+        s.close(@cq)
+        blk = proc { s.add_http2_port('localhost:0', cert) }
+        expect(&blk).to raise_error(RuntimeError)
+      end
+    end
+  end
+
+  shared_examples '#new' do
+    it 'takes a completion queue with nil channel args' do
+      expect { Server.new(@cq, nil) }.to_not raise_error
+    end
+
+    it 'does not take a hash with bad keys as channel args' do
+      blk = construct_with_args(Object.new => 1)
+      expect(&blk).to raise_error TypeError
+      blk = construct_with_args(1 => 1)
+      expect(&blk).to raise_error TypeError
+    end
+
+    it 'does not take a hash with bad values as channel args' do
+      blk = construct_with_args(symbol: Object.new)
+      expect(&blk).to raise_error TypeError
+      blk = construct_with_args('1' => {})
+      expect(&blk).to raise_error TypeError
+    end
+
+    it 'can take a hash with a symbol key as channel args' do
+      blk = construct_with_args(a_symbol: 1)
+      expect(&blk).to_not raise_error
+    end
+
+    it 'can take a hash with a string key as channel args' do
+      blk = construct_with_args('a_symbol' => 1)
+      expect(&blk).to_not raise_error
+    end
+
+    it 'can take a hash with a string value as channel args' do
+      blk = construct_with_args(a_symbol: '1')
+      expect(&blk).to_not raise_error
+    end
+
+    it 'can take a hash with a symbol value as channel args' do
+      blk = construct_with_args(a_symbol: :another_symbol)
+      expect(&blk).to_not raise_error
+    end
+
+    it 'can take a hash with a numeric value as channel args' do
+      blk = construct_with_args(a_symbol: 1)
+      expect(&blk).to_not raise_error
+    end
+
+    it 'can take a hash with many args as channel args' do
+      args = Hash[127.times.collect { |x| [x.to_s, x] }]
+      blk = construct_with_args(args)
+      expect(&blk).to_not raise_error
+    end
+  end
+
+  describe '#new with an insecure channel' do
+    def construct_with_args(a)
+      proc { Server.new(@cq, a) }
+    end
+
+    it_behaves_like '#new'
+  end
+
+  def start_a_server
+    s = Server.new(@cq, nil)
+    s.add_http2_port('0.0.0.0:0', :this_port_is_insecure)
+    s.start
+    s
+  end
+end