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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 'grpc'
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
describe '#from_relative_time' do
it 'cannot handle arbitrary objects' do
expect { TimeConsts.from_relative_time(Object.new) }.to raise_error
end
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
it 'converts 0 to TimeConsts::ZERO' do
expect(TimeConsts.from_relative_time(0)).to eq(TimeConsts::ZERO)
end
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
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
end
end
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