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require File.dirname(__FILE__) + '/../spec_helper'
describe Occurrence do
it "reports as a Time" do
occurrence = Occurrence.new(t0 = Time.now, t0 + 3600)
expect(occurrence.class.name).to eq('Time')
expect(occurrence.is_a?(Time)).to be_truthy
expect(occurrence.kind_of?(Time)).to be_truthy
end
describe :to_s do
it "looks like a Time for a zero duration" do
start_time = Time.now
occurrence = Occurrence.new(start_time)
expect(occurrence.to_s).to eq(start_time.to_s)
end
it "looks like a range for a non-zero duration" do
start_time = Time.now
end_time = start_time + ONE_HOUR
occurrence = Occurrence.new(start_time, end_time)
expect(occurrence.to_s).to eq("#{start_time} - #{end_time}")
end
it "accepts a format option to comply with ActiveSupport" do
time_now = Time.current
occurrence = Occurrence.new(time_now)
expect(occurrence.to_s(:short)).to eq time_now.to_s(:short)
end
end
describe :to_i do
it "represents the start time" do
start_time = Time.now
occurrence = Occurrence.new(start_time)
expect(occurrence.to_i).to eq start_time.to_i
end
end
describe :<=> do
it "is comparable to another occurrence's start time" do
o1 = Occurrence.new(Time.now)
o2 = Occurrence.new(o1.start_time + 1)
expect(o1).to be < o2
end
it "is comparable to another time" do
occurrence = Occurrence.new(Time.now)
expect(occurrence).to be < occurrence.start_time + 1
end
end
describe :cover? do
let(:start_time) { Time.now }
let(:occurrence) { Occurrence.new(start_time, start_time + ONE_HOUR) }
it "is true for the start time" do
expect(occurrence.cover?(start_time)).to be true
end
it "is true for a time in the range" do
expect(occurrence.cover?(start_time + 1)).to be true
end
it "is true for the end time" do
expect(occurrence.cover?(start_time + ONE_HOUR)).to be true
end
it "is false after the end time" do
expect(occurrence.cover?(start_time + ONE_HOUR + 1)).to be false
end
it "is false before the start time" do
expect(occurrence.cover?(start_time - 1)).to be false
end
end
describe :end_time do
it 'defaults to start_time' do
start_time = Time.now
occurrence = Occurrence.new(start_time)
expect(occurrence.end_time).to eq(start_time)
end
it 'returns specified end_time' do
start_time = Time.now
end_time = start_time + 3600
occurrence = Occurrence.new(start_time, end_time)
expect(occurrence.end_time).to eq(end_time)
end
end
describe :arithmetic do
let(:start_time) { Time.now }
let(:occurrence) { Occurrence.new(start_time) }
it 'returns a time when adding' do
new_time = occurrence + 60
expect(new_time).to eq(start_time + 60)
end
it 'can get difference from a time' do
difference = occurrence - (start_time - 60)
expect(difference).to eq(60)
end
end
describe :intersects? do
let(:start_time) { Time.now }
let(:end_time) { start_time + 3600 }
it 'is true for a time during the occurrence' do
occurrence = Occurrence.new(start_time, end_time)
inclusion = occurrence.intersects? start_time + 1800
expect(inclusion).to be_truthy
end
it 'is false for a time outside the occurrence' do
occurrence = Occurrence.new(start_time, end_time)
inclusion = occurrence.intersects? start_time + 3601
expect(inclusion).to be_falsey
end
it 'is true for an intersecting occurrence' do
occurrence1 = Occurrence.new(start_time, end_time)
occurrence2 = Occurrence.new(start_time + 1, end_time + 1)
inclusion = occurrence1.intersects? occurrence2
expect(inclusion).to be_truthy
end
it 'is false for a non-intersecting occurrence' do
occurrence1 = Occurrence.new(start_time, end_time)
occurrence2 = Occurrence.new(end_time)
inclusion = occurrence1.intersects? occurrence2
expect(inclusion).to be_falsey
end
end
describe :overnight? do
it 'is false for a zero-length occurrence' do
occurrence = Occurrence.new(Time.local(2013, 12, 24))
expect(occurrence.overnight?).to be_falsey
end
it 'is false for a zero-length occurrence on the last day of a month' do
occurrence = Occurrence.new(Time.local(2013, 3, 31))
expect(occurrence.overnight?).to be_falsey
end
it 'is false for a duration within a single day' do
t0 = Time.local(2013, 2, 24, 8, 0, 0)
occurrence = Occurrence.new(t0, t0 + 3600)
expect(occurrence.overnight?).to be_falsey
end
it 'is false for a duration that starts at midnight' do
t0 = Time.local(2013, 2, 24, 0, 0, 0)
occurrence = Occurrence.new(t0, t0 + 3600)
expect(occurrence.overnight?).to be_falsey
end
it 'is false for a duration that starts at midnight on the last day of a month' do
t0 = Time.local(2013, 3, 31, 0, 0, 0)
occurrence = Occurrence.new(t0, t0 + 3600)
expect(occurrence.overnight?).to be_falsey
end
it 'is false for a duration that ends at midnight' do
t0 = Time.local(2013, 2, 24, 23, 0, 0)
occurrence = Occurrence.new(t0, t0 + 3600)
expect(occurrence.overnight?).to be_falsey
end
it 'is true for a duration that crosses midnight' do
t0 = Time.local(2013, 2, 24, 23, 0, 0)
occurrence = Occurrence.new(t0, t0 + 3601)
expect(occurrence.overnight?).to be_truthy
end
it 'is true for a duration that crosses midnight on the last day of a month' do
t0 = Time.local(2013, 3, 31, 23, 0, 0)
occurrence = Occurrence.new(t0, t0 + 3601)
expect(occurrence.overnight?).to be_truthy
end
end
end
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