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shutdown_test.go
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shutdown_test.go
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// Copyright (c) 2019 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package fx_test
import (
"testing"
"github.com/stretchr/testify/assert"
"go.uber.org/fx"
"go.uber.org/fx/fxtest"
)
func TestShutdown(t *testing.T) {
t.Parallel()
t.Run("BroadcastsToMultipleChannels", func(t *testing.T) {
t.Parallel()
var s fx.Shutdowner
app := fxtest.New(
t,
fx.Populate(&s),
)
done1, done2 := app.Done(), app.Done()
defer app.RequireStart().RequireStop()
assert.NoError(t, s.Shutdown(), "error in app shutdown")
assert.NotNil(t, <-done1, "done channel 1 did not receive signal")
assert.NotNil(t, <-done2, "done channel 2 did not receive signal")
})
t.Run("ErrorOnUnsentSignal", func(t *testing.T) {
t.Parallel()
var s fx.Shutdowner
app := fxtest.New(
t,
fx.Populate(&s),
)
done := app.Done()
defer app.RequireStart().RequireStop()
assert.NoError(t, s.Shutdown(), "error returned from first shutdown call")
assert.EqualError(t, s.Shutdown(), "failed to send terminated signal to 1 out of 1 channels",
"unexpected error returned when shutdown is called with a blocked channel")
assert.NotNil(t, <-done, "done channel did not receive signal")
})
}