Initial checkin of gRPC to third_party/

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

-# Protocol Buffers - Google's data interchange format
-# Copyright 2008 Google Inc.  All rights reserved.
-# https://developers.google.com/protocol-buffers/
+# 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 mixins before we hook them into the java & c code
-require 'google/protobuf/message_exts'
+require 'grpc'
 
-# We define these before requiring the platform-specific modules.
-# That way the module init can grab references to these.
-module Google
-  module Protobuf
-    class Error < StandardError; end
-    class ParseError < Error; end
+TimeConsts = GRPC::Core::TimeConsts
+
+describe TimeConsts do
+  before(:each) do
+    @known_consts = [:ZERO, :INFINITE_FUTURE, :INFINITE_PAST].sort
+  end
+
+  it 'should have all the known types' do
+    expect(TimeConsts.constants.collect.sort).to eq(@known_consts)
+  end
+
+  describe '#to_time' do
+    it 'converts each constant to a Time' do
+      m = TimeConsts
+      m.constants.each do |c|
+        expect(m.const_get(c).to_time).to be_a(Time)
+      end
+    end
   end
 end
 
-if RUBY_PLATFORM == "java"
-  require 'json'
-  require 'google/protobuf_java'
-else
-  require 'google/protobuf_c'
-end
+describe '#from_relative_time' do
+  it 'cannot handle arbitrary objects' do
+    expect { TimeConsts.from_relative_time(Object.new) }.to raise_error
+  end
 
-require 'google/protobuf/repeated_field'
+  it 'preserves TimeConsts' do
+    m = TimeConsts
+    m.constants.each do |c|
+      const = m.const_get(c)
+      expect(TimeConsts.from_relative_time(const)).to be(const)
+    end
+  end
 
-module Google
-  module Protobuf
+  it 'converts 0 to TimeConsts::ZERO' do
+    expect(TimeConsts.from_relative_time(0)).to eq(TimeConsts::ZERO)
+  end
 
-    def self.encode(msg)
-      msg.to_proto
+  it 'converts nil to TimeConsts::ZERO' do
+    expect(TimeConsts.from_relative_time(nil)).to eq(TimeConsts::ZERO)
+  end
+
+  it 'converts negative values to TimeConsts::INFINITE_FUTURE' do
+    [-1, -3.2, -1e6].each do |t|
+      y = TimeConsts.from_relative_time(t)
+      expect(y).to eq(TimeConsts::INFINITE_FUTURE)
     end
+  end
 
-    def self.encode_json(msg)
-      msg.to_json
+  it 'converts a positive value to an absolute time' do
+    epsilon = 1
+    [1, 3.2, 1e6].each do |t|
+      want = Time.now + t
+      abs = TimeConsts.from_relative_time(t)
+      expect(abs.to_f).to be_within(epsilon).of(want.to_f)
     end
-
-    def self.decode(klass, proto)
-      klass.decode(proto)
-    end
-
-    def self.decode_json(klass, json)
-      klass.decode_json(json)
-    end
-
   end
 end