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# Copyright 2015 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.
require 'spec_helper'
include GRPC::Core::StatusCodes
describe GRPC::Core::WriteFlags do
it 'should define the known write flag values' do
m = GRPC::Core::WriteFlags
expect(m.const_get(:BUFFER_HINT)).to_not be_nil
expect(m.const_get(:NO_COMPRESS)).to_not be_nil
end
end
describe GRPC::Core::RpcErrors do
before(:each) do
@known_types = {
OK: 0,
ERROR: 1,
NOT_ON_SERVER: 2,
NOT_ON_CLIENT: 3,
ALREADY_ACCEPTED: 4,
ALREADY_INVOKED: 5,
NOT_INVOKED: 6,
ALREADY_FINISHED: 7,
TOO_MANY_OPERATIONS: 8,
INVALID_FLAGS: 9,
ErrorMessages: {
0 => 'ok',
1 => 'unknown error',
2 => 'not available on a server',
3 => 'not available on a client',
4 => 'call is already accepted',
5 => 'call is already invoked',
6 => 'call is not yet invoked',
7 => 'call is already finished',
8 => 'outstanding read or write present',
9 => 'a bad flag was given'
}
}
end
it 'should have symbols for all the known error codes' do
m = GRPC::Core::RpcErrors
syms_and_codes = m.constants.collect { |c| [c, m.const_get(c)] }
expect(Hash[syms_and_codes]).to eq(@known_types)
end
end
describe GRPC::Core::CallOps do
before(:each) do
@known_types = {
SEND_INITIAL_METADATA: 0,
SEND_MESSAGE: 1,
SEND_CLOSE_FROM_CLIENT: 2,
SEND_STATUS_FROM_SERVER: 3,
RECV_INITIAL_METADATA: 4,
RECV_MESSAGE: 5,
RECV_STATUS_ON_CLIENT: 6,
RECV_CLOSE_ON_SERVER: 7
}
end
it 'should have symbols for all the known operation types' do
m = GRPC::Core::CallOps
syms_and_codes = m.constants.collect { |c| [c, m.const_get(c)] }
expect(Hash[syms_and_codes]).to eq(@known_types)
end
end
describe GRPC::Core::Call do
let(:test_tag) { Object.new }
let(:fake_host) { 'localhost:10101' }
before(:each) do
@ch = GRPC::Core::Channel.new(fake_host, nil, :this_channel_is_insecure)
end
describe '#status' do
it 'can save the status and read it back' do
call = make_test_call
sts = Struct::Status.new(OK, 'OK')
expect { call.status = sts }.not_to raise_error
expect(call.status).to eq(sts)
end
it 'must be set to a status' do
call = make_test_call
bad_sts = Object.new
expect { call.status = bad_sts }.to raise_error(TypeError)
end
it 'can be set to nil' do
call = make_test_call
expect { call.status = nil }.not_to raise_error
end
end
describe '#metadata' do
it 'can save the metadata hash and read it back' do
call = make_test_call
md = { 'k1' => 'v1', 'k2' => 'v2' }
expect { call.metadata = md }.not_to raise_error
expect(call.metadata).to be(md)
end
it 'must be set with a hash' do
call = make_test_call
bad_md = Object.new
expect { call.metadata = bad_md }.to raise_error(TypeError)
end
it 'can be set to nil' do
call = make_test_call
expect { call.metadata = nil }.not_to raise_error
end
end
describe '#set_credentials!' do
it 'can set a valid CallCredentials object' do
call = make_test_call
auth_proc = proc { { 'plugin_key' => 'plugin_value' } }
creds = GRPC::Core::CallCredentials.new auth_proc
expect { call.set_credentials! creds }.not_to raise_error
end
end
describe '#cancel' do
it 'completes ok' do
call = make_test_call
expect { call.cancel }.not_to raise_error
end
it 'completes ok when the call is closed' do
call = make_test_call
call.close
expect { call.cancel }.not_to raise_error
end
end
describe '#cancel_with_status' do
it 'completes ok' do
call = make_test_call
expect do
call.cancel_with_status(0, 'test status')
end.not_to raise_error
expect do
call.cancel_with_status(0, nil)
end.to raise_error(TypeError)
end
it 'completes ok when the call is closed' do
call = make_test_call
call.close
expect do
call.cancel_with_status(0, 'test status')
end.not_to raise_error
end
end
def make_test_call
@ch.create_call(nil, nil, 'dummy_method', nil, deadline)
end
def deadline
Time.now + 2 # in 2 seconds; arbitrary
end
end
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