| # Copyright 2015, Google Inc. |
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| |
| 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 |