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scheduler_test.exs
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scheduler_test.exs
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defmodule Quantum.SchedulerTest do
@moduledoc false
use ExUnit.Case, async: true
alias Quantum.Job
alias Quantum.RunStrategy.Random
import ExUnit.CaptureLog
import Crontab.CronExpression
defmodule Scheduler do
@moduledoc false
use Quantum.Scheduler, otp_app: :scheduler_test
end
@defaults %{
schedule: "*/7",
overlap: false,
timezone: "Europe/Zurich"
}
defmodule DefaultConfigScheduler do
@moduledoc false
use Quantum.Scheduler, otp_app: :scheduler_test
end
defmodule ZeroTimeoutScheduler do
@moduledoc false
use Quantum.Scheduler, otp_app: :scheduler_test
end
setup_all do
Application.put_env(:scheduler_test, Scheduler, jobs: [])
Application.put_env(
:scheduler_test,
DefaultConfigScheduler,
jobs: [],
schedule: @defaults.schedule,
overlap: @defaults.overlap,
timezone: @defaults.timezone
)
Application.put_env(:scheduler_test, ZeroTimeoutScheduler, timeout: 0, jobs: [])
end
setup context do
schedulers = Map.get(context, :schedulers, [])
for scheduler <- schedulers do
{:ok, _pid} = start_supervised(scheduler)
end
:ok
end
describe "new_job/0" do
test "returns Quantum.Job struct" do
%Job{schedule: schedule, overlap: overlap, timezone: timezone} = Scheduler.new_job()
assert schedule == nil
assert overlap == true
assert timezone == :utc
end
test "has defaults set" do
%Job{schedule: schedule, overlap: overlap, timezone: timezone} =
DefaultConfigScheduler.new_job()
assert schedule == ~e[#{@defaults.schedule}]
assert overlap == @defaults.overlap
assert timezone == @defaults.timezone
end
end
@tag schedulers: [Scheduler]
describe "add_job/2" do
test "adding a job at run time" do
spec = ~e[1 * * * *]
fun = fn -> :ok end
capture_log(fn ->
:ok = Scheduler.add_job({spec, fun})
assert Enum.any?(Scheduler.jobs(), fn {_, %Job{schedule: schedule, task: task}} ->
schedule == spec && task == fun
end)
end)
end
@tag schedulers: [Scheduler]
test "adding a named job struct at run time" do
spec = ~e[1 * * * *]
fun = fn -> :ok end
job =
Scheduler.new_job()
|> Job.set_name(:test_job)
|> Job.set_schedule(spec)
|> Job.set_task(fun)
capture_log(fn ->
:ok = Scheduler.add_job(job)
assert Enum.member?(Scheduler.jobs(), {
:test_job,
%{job | run_strategy: %Random{nodes: :cluster}}
})
end)
end
@tag schedulers: [Scheduler]
test "adding a named {m, f, a} jpb at run time" do
spec = ~e[1 * * * *]
task = {IO, :puts, ["Tick"]}
job =
Scheduler.new_job()
|> Job.set_name(:ticker)
|> Job.set_schedule(spec)
|> Job.set_task(task)
capture_log(fn ->
:ok = Scheduler.add_job(job)
assert Enum.member?(Scheduler.jobs(), {
:ticker,
%{job | run_strategy: %Random{nodes: :cluster}}
})
end)
end
@tag schedulers: [Scheduler]
test "adding a unnamed job at run time" do
spec = ~e[1 * * * *]
fun = fn -> :ok end
job =
Scheduler.new_job()
|> Job.set_schedule(spec)
|> Job.set_task(fun)
capture_log(fn ->
:ok = Scheduler.add_job(job)
assert Enum.member?(Scheduler.jobs(), {job.name, job})
end)
end
end
@tag schedulers: [Scheduler]
test "finding a named job" do
spec = ~e[* * * * *]
fun = fn -> :ok end
job =
Scheduler.new_job()
|> Job.set_name(:test_job)
|> Job.set_schedule(spec)
|> Job.set_task(fun)
capture_log(fn ->
:ok = Scheduler.add_job(job)
fjob = Scheduler.find_job(:test_job)
assert fjob.name == :test_job
assert fjob.schedule == spec
assert fjob.run_strategy == %Random{nodes: :cluster}
end)
end
@tag schedulers: [Scheduler]
test "deactivating a named job" do
spec = ~e[* * * * *]
fun = fn -> :ok end
job =
Scheduler.new_job()
|> Job.set_name(:test_job)
|> Job.set_schedule(spec)
|> Job.set_task(fun)
capture_log(fn ->
:ok = Scheduler.add_job(job)
:ok = Scheduler.deactivate_job(:test_job)
sjob = Scheduler.find_job(:test_job)
assert sjob == %{job | state: :inactive}
end)
end
@tag schedulers: [Scheduler]
test "activating a named job" do
spec = ~e[* * * * *]
fun = fn -> :ok end
job =
Scheduler.new_job()
|> Job.set_name(:test_job)
|> Job.set_state(:inactive)
|> Job.set_schedule(spec)
|> Job.set_task(fun)
capture_log(fn ->
:ok = Scheduler.add_job(job)
:ok = Scheduler.activate_job(:test_job)
ajob = Scheduler.find_job(:test_job)
assert ajob == %{job | state: :active}
end)
end
@tag schedulers: [Scheduler]
test "deleting a named job at run time" do
spec = ~e[* * * * *]
fun = fn -> :ok end
job =
Scheduler.new_job()
|> Job.set_name(:test_job)
|> Job.set_schedule(spec)
|> Job.set_task(fun)
capture_log(fn ->
:ok = Scheduler.add_job(job)
:ok = Scheduler.delete_job(:test_job)
assert !Enum.member?(Scheduler.jobs(), {:test_job, job})
end)
end
@tag schedulers: [Scheduler]
test "deleting all jobs" do
capture_log(fn ->
for i <- 1..3 do
name = String.to_atom("test_job_" <> Integer.to_string(i))
spec = ~e[* * * * *]
fun = fn -> :ok end
job =
Scheduler.new_job()
|> Job.set_name(name)
|> Job.set_schedule(spec)
|> Job.set_task(fun)
:ok = Scheduler.add_job(job)
end
assert Enum.count(Scheduler.jobs()) == 3
Scheduler.delete_all_jobs()
assert Scheduler.jobs() == []
end)
end
@tag schedulers: [ZeroTimeoutScheduler]
test "timeout can be configured for genserver correctly" do
job =
ZeroTimeoutScheduler.new_job()
|> Job.set_name(:tmpjob)
|> Job.set_schedule(~e[* */5 * * *])
|> Job.set_task(fn -> :ok end)
capture_log(fn ->
ZeroTimeoutScheduler.add_job(job)
assert {:timeout, _} = catch_exit(ZeroTimeoutScheduler.find_job(:tmpjob))
# Ensure that log message is contained
Process.sleep(100)
end)
end
end