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require "minitest/autorun"
require 'mocha/minitest'
require 'time'
require 'active_support/time'
require 'clockwork'
require_relative 'test_helpers'
describe Clockwork::DatabaseEvents::Synchronizer do
before do
@now = Time.now
Clockwork.manager = @manager = Clockwork::DatabaseEvents::Manager.new
class << @manager
def log(msg); end # silence log output
end
end
after do
Clockwork.clear!
DatabaseEventModel.delete_all
DatabaseEventModel2.delete_all
DatabaseEventModelWithIf.delete_all
end
describe "setup" do
before do
@subject = Clockwork::DatabaseEvents::Synchronizer
end
describe "arguments" do
it 'raises argument error if model is not set' do
error = assert_raises KeyError do
@subject.setup(every: 1.minute) {}
end
assert_equal error.message, ":model must be set to the model class"
end
it 'raises argument error if every is not set' do
error = assert_raises KeyError do
@subject.setup(model: DatabaseEventModel) {}
end
assert_equal error.message, ":every must be set to the database sync frequency"
end
end
describe "when database reload frequency is greater than model frequency period" do
before do
@events_run = []
@sync_frequency = 1.minute
end
it 'fetches and registers event from database' do
DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at(@now, :and_every_second_for => 1.second)
assert_equal ["DatabaseEventModel:1"], @events_run
end
it 'fetches and registers multiple events from database' do
DatabaseEventModel.create(:frequency => 10)
DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at(@now, :and_every_second_for => 1.second)
assert_equal ["DatabaseEventModel:1", "DatabaseEventModel:2"], @events_run
end
it 'does not run event again before frequency specified in database' do
model = DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at(@now, :and_every_second_for => model.frequency - 1.second)
assert_equal 1, @events_run.length
end
it 'runs event repeatedly with frequency specified in database' do
model = DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at(@now, :and_every_second_for => (2 * model.frequency) + 1.second)
assert_equal 3, @events_run.length
end
it 'runs reloaded events from database repeatedly' do
model = DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at(@now, :and_every_second_for => @sync_frequency - 1)
model.update(:name => "DatabaseEventModel:1:Reloaded")
tick_at(@now + @sync_frequency, :and_every_second_for => model.frequency * 2)
assert_equal ["DatabaseEventModel:1:Reloaded", "DatabaseEventModel:1:Reloaded"], @events_run[-2..-1]
end
it 'updates modified event frequency with event reloading' do
model = DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at(@now, :and_every_second_for => @sync_frequency - 1.second)
model.update(:frequency => 5)
tick_at(@now + @sync_frequency, :and_every_second_for => 6.seconds)
# model runs at: 1, 11, 21, 31, 41, 51 (6 runs)
# database sync happens at: 60
# modified model runs at: 61 (next tick after reload) and then 66 (2 runs)
assert_equal 8, @events_run.length
end
it 'stoped running deleted events from database' do
model = DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at(@now, :and_every_second_for => (@sync_frequency - 1.second))
before = @events_run.dup
model.delete!
tick_at(@now + @sync_frequency, :and_every_second_for => @sync_frequency)
after = @events_run
assert_equal before, after
end
it 'updates event name with new name' do
model = DatabaseEventModel.create(:frequency => 10.seconds)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at @now, :and_every_second_for => @sync_frequency - 1.second
@events_run.clear
model.update(:name => "DatabaseEventModel:1_modified")
tick_at @now + @sync_frequency, :and_every_second_for => (model.frequency * 2)
assert_equal ["DatabaseEventModel:1_modified", "DatabaseEventModel:1_modified"], @events_run
end
it 'updates event frequency with new frequency' do
model = DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at @now, :and_every_second_for => @sync_frequency - 1.second
@events_run.clear
model.update(:frequency => 30)
tick_at @now + @sync_frequency, :and_every_second_for => @sync_frequency - 1.seconds
assert_equal 2, @events_run.length
end
it 'updates event at with new at' do
model = DatabaseEventModel.create(:frequency => 1.day, :at => '10:30')
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
assert_will_run 'jan 1 2010 10:30:00'
assert_wont_run 'jan 1 2010 09:30:00'
model.update(:at => '09:30')
tick_at @now, :and_every_second_for => @sync_frequency + 1.second
assert_will_run 'jan 1 2010 09:30:00'
assert_wont_run 'jan 1 2010 10:30:00'
end
describe "when #name is defined" do
it 'runs daily event with at from databse only once' do
DatabaseEventModel.create(:frequency => 1.day, :at => next_minute(@now).strftime('%H:%M'))
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
# tick from now, though specified :at time
tick_at(@now, :and_every_second_for => (2 * @sync_frequency) + 1.second)
assert_equal 1, @events_run.length
end
end
describe "when #name is not defined" do
it 'runs daily event with at from databse only once' do
DatabaseEventModelWithoutName.create(:frequency => 1.day, :at => next_minute(next_minute(@now)).strftime('%H:%M'))
setup_sync(model: DatabaseEventModelWithoutName, :every => @sync_frequency, :events_run => @events_run)
# tick from now, though specified :at time
tick_at(@now, :and_every_second_for => (2 * @sync_frequency) + 1.second)
assert_equal 1, @events_run.length
end
end
it 'creates multiple event ats with comma separated at string' do
DatabaseEventModel.create(:frequency => 1.day, :at => '16:20, 18:10')
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
tick_at @now, :and_every_second_for => 1.second
assert_wont_run 'jan 1 2010 16:19:59'
assert_will_run 'jan 1 2010 16:20:00'
assert_wont_run 'jan 1 2010 16:20:01'
assert_wont_run 'jan 1 2010 18:09:59'
assert_will_run 'jan 1 2010 18:10:00'
assert_wont_run 'jan 1 2010 18:10:01'
end
it 'allows syncing multiple database models' do
DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => @sync_frequency, :events_run => @events_run)
DatabaseEventModel2.create(:frequency => 10)
setup_sync(model: DatabaseEventModel2, :every => @sync_frequency, :events_run => @events_run)
tick_at(@now, :and_every_second_for => 1.second)
assert_equal ["DatabaseEventModel:1", "DatabaseEventModel2:1"], @events_run
end
end
describe "when database reload frequency is less than model frequency period" do
before do
@events_run = []
end
it 'runs event only once within the model frequency period' do
DatabaseEventModel.create(:frequency => 5.minutes)
setup_sync(model: DatabaseEventModel, :every => 1.minute, :events_run => @events_run)
tick_at(@now, :and_every_second_for => 5.minutes)
assert_equal 1, @events_run.length
end
end
describe "with database event :at set to empty string" do
before do
@events_run = []
DatabaseEventModel.create(:frequency => 10)
setup_sync(model: DatabaseEventModel, :every => 1.minute, :events_run => @events_run)
end
it 'does not raise an error' do
begin
tick_at(Time.now, :and_every_second_for => 10.seconds)
rescue => e
assert false, "Raised an error: #{e.message}"
end
end
it 'runs the event' do
begin
tick_at(Time.now, :and_every_second_for => 10.seconds)
rescue
end
assert_equal 1, @events_run.length
end
end
describe "with model that responds to `if?`" do
before do
@events_run = []
end
describe "when model.if? is true" do
it 'runs' do
DatabaseEventModelWithIf.create(:if_state => true, :frequency => 10)
setup_sync(model: DatabaseEventModelWithIf, :every => 1.minute, :events_run => @events_run)
tick_at(@now, :and_every_second_for => 9.seconds)
assert_equal 1, @events_run.length
end
end
describe "when model.if? is false" do
it 'does not run' do
DatabaseEventModelWithIf.create(:if_state => false, :frequency => 10, :name => 'model with if?')
setup_sync(model: DatabaseEventModelWithIf, :every => 1.minute, :events_run => @events_run)
tick_at(@now, :and_every_second_for => 1.minute)
# require 'byebug'
# byebug if events_run.length > 0
assert_equal 0, @events_run.length
end
end
end
describe "with task that responds to `tz`" do
before do
@events_run = []
@utc_time_now = Time.now.utc
DatabaseEventModel.create(:frequency => 1.days, :at => @utc_time_now.strftime('%H:%M'), :tz => 'America/Montreal')
setup_sync(model: DatabaseEventModel, :every => 1.minute, :events_run => @events_run)
end
it 'does not raise an error' do
begin
tick_at(@utc_time_now, :and_every_second_for => 10.seconds)
rescue => e
assert false, "Raised an error: #{e.message}"
end
end
it 'does not run the event based on UTC' do
begin
tick_at(@utc_time_now, :and_every_second_for => 3.hours)
rescue
end
assert_equal 0, @events_run.length
end
it 'runs the event based on America/Montreal tz' do
begin
tick_at(@utc_time_now, :and_every_second_for => 5.hours)
rescue
end
assert_equal 1, @events_run.length
end
end
end
end if false
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