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Diffstat (limited to 'src/ruby/spec/compression_options_spec.rb')
| -rw-r--r-- | src/ruby/spec/compression_options_spec.rb | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/ruby/spec/compression_options_spec.rb b/src/ruby/spec/compression_options_spec.rb new file mode 100644 index 0000000000..dbd7e59294 --- /dev/null +++ b/src/ruby/spec/compression_options_spec.rb @@ -0,0 +1,164 @@ +# 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' + +describe GRPC::Core::CompressionOptions do + # Note these constants should be updated + # according to what the core lib provides. + + # Names of supported compression algorithms + ALGORITHMS = [:identity, :deflate, :gzip] + + # Names of valid supported compression levels + COMPRESS_LEVELS = [:none, :low, :medium, :high] + + it 'implements to_s' do + expect { GRPC::Core::CompressionOptions.new.to_s }.to_not raise_error + end + + it '#to_channel_arg_hash gives the same result as #to_hash' do + options = GRPC::Core::CompressionOptions.new + expect(options.to_channel_arg_hash).to eq(options.to_hash) + end + + # Test the normal call sequence of creating an instance + # and then obtaining the resulting channel-arg hash that + # corresponds to the compression settings of the instance + describe 'creating, reading, and converting to channel args hash' do + it 'works when no optional args were provided' do + options = GRPC::Core::CompressionOptions.new + + ALGORITHMS.each do |algorithm| + expect(options.algorithm_enabled?(algorithm)).to be true + end + + expect(options.disabled_algorithms).to be_empty + expect(options.default_algorithm).to be nil + expect(options.default_level).to be nil + expect(options.to_hash).to be_instance_of(Hash) + end + + it 'works when disabling multiple algorithms' do + options = GRPC::Core::CompressionOptions.new( + default_algorithm: :identity, + default_level: :none, + disabled_algorithms: [:gzip, :deflate] + ) + + [:gzip, :deflate].each do |algorithm| + expect(options.algorithm_enabled?(algorithm)).to be false + expect(options.disabled_algorithms.include?(algorithm)).to be true + end + + expect(options.default_algorithm).to be(:identity) + expect(options.default_level).to be(:none) + expect(options.to_hash).to be_instance_of(Hash) + end + + it 'works when all optional args have been set' do + options = GRPC::Core::CompressionOptions.new( + default_algorithm: :gzip, + default_level: :low, + disabled_algorithms: [:deflate] + ) + + expect(options.algorithm_enabled?(:deflate)).to be false + expect(options.algorithm_enabled?(:gzip)).to be true + expect(options.disabled_algorithms).to eq([:deflate]) + + expect(options.default_algorithm).to be(:gzip) + expect(options.default_level).to be(:low) + expect(options.to_hash).to be_instance_of(Hash) + end + + it 'doesnt fail when no algorithms are disabled' do + options = GRPC::Core::CompressionOptions.new( + default_algorithm: :identity, + default_level: :high + ) + + ALGORITHMS.each do |algorithm| + expect(options.algorithm_enabled?(algorithm)).to be(true) + end + + expect(options.disabled_algorithms).to be_empty + expect(options.default_algorithm).to be(:identity) + expect(options.default_level).to be(:high) + expect(options.to_hash).to be_instance_of(Hash) + end + end + + describe '#new with bad parameters' do + it 'should fail with more than one parameter' do + blk = proc { GRPC::Core::CompressionOptions.new(:gzip, :none) } + expect { blk.call }.to raise_error + end + + it 'should fail with a non-hash parameter' do + blk = proc { GRPC::Core::CompressionOptions.new(:gzip) } + expect { blk.call }.to raise_error + end + end + + describe '#default_algorithm' do + it 'returns nil if unset' do + options = GRPC::Core::CompressionOptions.new + expect(options.default_algorithm).to be(nil) + end + end + + describe '#default_level' do + it 'returns nil if unset' do + options = GRPC::Core::CompressionOptions.new + expect(options.default_level).to be(nil) + end + end + + describe '#disabled_algorithms' do + it 'returns an empty list if no algorithms were disabled' do + options = GRPC::Core::CompressionOptions.new + expect(options.disabled_algorithms).to be_empty + end + end + + describe '#algorithm_enabled?' do + [:none, :any, 'gzip', Object.new, 1].each do |name| + it "should fail for parameter ${name} of class #{name.class}" do + options = GRPC::Core::CompressionOptions.new( + disabled_algorithms: [:gzip]) + + blk = proc do + options.algorithm_enabled?(name) + end + expect { blk.call }.to raise_error + end + end + end +end |