Initial checkin of gRPC to third_party/

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

+# 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']
+  files.map { |f| File.open(File.join(test_root, f)).read }
+end
+
+describe GRPC::Core::Channel do
+  let(:fake_host) { 'localhost:0' }
+  let(:cq) { GRPC::Core::CompletionQueue.new }
+
+  def create_test_cert
+    GRPC::Core::ChannelCredentials.new(load_test_certs[0])
+  end
+
+  shared_examples '#new' do
+    it 'take a host name without channel args' do
+      blk = proc do
+        GRPC::Core::Channel.new('dummy_host', nil, :this_channel_is_insecure)
+      end
+      expect(&blk).not_to 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 for secure channels' do
+    def construct_with_args(a)
+      proc { GRPC::Core::Channel.new('dummy_host', a, create_test_cert) }
+    end
+
+    it_behaves_like '#new'
+  end
+
+  describe '#new for insecure channels' do
+    it_behaves_like '#new'
+
+    def construct_with_args(a)
+      proc do
+        GRPC::Core::Channel.new('dummy_host', a, :this_channel_is_insecure)
+      end
+    end
+  end
+
+  describe '#create_call' do
+    it 'creates a call OK' do
+      ch = GRPC::Core::Channel.new(fake_host, nil, :this_channel_is_insecure)
+
+      deadline = Time.now + 5
+
+      blk = proc do
+        ch.create_call(cq, nil, nil, 'dummy_method', nil, deadline)
+      end
+      expect(&blk).to_not raise_error
+    end
+
+    it 'raises an error if called on a closed channel' do
+      ch = GRPC::Core::Channel.new(fake_host, nil, :this_channel_is_insecure)
+      ch.close
+
+      deadline = Time.now + 5
+      blk = proc do
+        ch.create_call(cq, nil, nil, 'dummy_method', nil, deadline)
+      end
+      expect(&blk).to raise_error(RuntimeError)
+    end
+  end
+
+  describe '#destroy' do
+    it 'destroys a channel ok' do
+      ch = GRPC::Core::Channel.new(fake_host, nil, :this_channel_is_insecure)
+      blk = proc { ch.destroy }
+      expect(&blk).to_not raise_error
+    end
+
+    it 'can be called more than once without error' do
+      ch = GRPC::Core::Channel.new(fake_host, nil, :this_channel_is_insecure)
+      blk = proc { ch.destroy }
+      blk.call
+      expect(&blk).to_not raise_error
+    end
+  end
+
+  describe '::SSL_TARGET' do
+    it 'is a symbol' do
+      expect(GRPC::Core::Channel::SSL_TARGET).to be_a(Symbol)
+    end
+  end
+
+  describe '#close' do
+    it 'closes a channel ok' do
+      ch = GRPC::Core::Channel.new(fake_host, nil, :this_channel_is_insecure)
+      blk = proc { ch.close }
+      expect(&blk).to_not raise_error
+    end
+
+    it 'can be called more than once without error' do
+      ch = GRPC::Core::Channel.new(fake_host, nil, :this_channel_is_insecure)
+      blk = proc { ch.close }
+      blk.call
+      expect(&blk).to_not raise_error
+    end
+  end
+end