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Use Commanded to build your own Elixir applications following the CQRS/ES pattern.
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Files
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Files
test/registration/support/registration_test_case.ex
defmodule Commanded.RegistrationTestCase do
import Commanded.SharedTestCase
define_tests do
alias Commanded.Registration.{RegisteredServer, RegisteredSupervisor}
setup do
supervisor = start_supervised!(RegisteredSupervisor)
[supervisor: supervisor]
end
describe "`start_child/3`" do
test "should return child process PID on success", %{
registry: registry,
registry_meta: registry_meta
} do
assert {:ok, pid} = RegisteredSupervisor.start_child(registry, registry_meta, "child")
assert is_pid(pid)
end
test "should return existing child process when already started", %{
registry: registry,
registry_meta: registry_meta
} do
assert {:ok, pid} = RegisteredSupervisor.start_child(registry, registry_meta, "child")
assert {:ok, ^pid} = RegisteredSupervisor.start_child(registry, registry_meta, "child")
end
end
describe "`start_link/3`" do
test "should return process PID on success", %{
registry: registry,
registry_meta: registry_meta
} do
assert {:ok, pid} = start_link(registry, registry_meta, "registered")
assert is_pid(pid)
end
test "should return existing process when already started", %{
registry: registry,
registry_meta: registry_meta
} do
assert {:ok, pid} = start_link(registry, registry_meta, "registered")
assert {:ok, ^pid} = start_link(registry, registry_meta, "registered")
end
end
describe "`whereis_name/1`" do
test "should return `:undefined` when not registered", %{
registry: registry,
registry_meta: registry_meta
} do
assert registry.whereis_name(registry_meta, "notregistered") == :undefined
end
test "should return `PID` when child registered", %{
registry: registry,
registry_meta: registry_meta
} do
assert {:ok, pid} = RegisteredSupervisor.start_child(registry, registry_meta, "child")
assert registry.whereis_name(registry_meta, "child") == pid
end
test "should return `PID` when process registered", %{
registry: registry,
registry_meta: registry_meta
} do
assert {:ok, pid} = start_link(registry, registry_meta, "registered")
assert registry.whereis_name(registry_meta, "registered") == pid
end
end
describe "`supervisor_child_spec/2`" do
test "should return a valid child_spec", %{registry: registry, registry_meta: registry_meta} do
assert registry.supervisor_child_spec(registry_meta, RegisteredSupervisor, "child") ==
%{
id: Commanded.Registration.RegisteredSupervisor,
start: {Commanded.Registration.RegisteredSupervisor, :start_link, ["child"]},
type: :supervisor
}
end
end
defp start_link(registry, registry_meta, name) do
registry.start_link(registry_meta, name, RegisteredServer, [])
end
end
end