route/vendor/github.com/mtneug/pkg/startstopper/startstopper_test.go

99 lines
2.7 KiB
Go

// Copyright (c) 2016 Matthias Neugebauer
//
// 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 startstopper_test
import (
"context"
"errors"
"testing"
"time"
"github.com/mtneug/pkg/startstopper"
"github.com/mtneug/pkg/startstopper/testutils"
"github.com/stretchr/testify/require"
)
func TestNewGo(t *testing.T) {
t.Parallel()
ctx := context.Background()
rErr := errors.New("Test error")
r := &testutils.MockRunner{}
r.On("Run", ctx).Return(rErr).Twice()
ss := startstopper.NewGo(r)
require.NotNil(t, ss)
err := ss.Stop(ctx)
require.EqualError(t, startstopper.ErrNotStarted, err.Error())
ctx2, cancel := context.WithCancel(ctx)
cancel()
err = ss.Err(ctx2)
require.EqualError(t, err, "context canceled")
err = ss.Start(ctx)
require.NoError(t, err)
err = ss.Start(ctx)
require.EqualError(t, startstopper.ErrStarted, err.Error())
err = ss.Stop(ctx)
require.NoError(t, err)
ss = startstopper.NewGo(r)
_ = ss.Start(ctx)
err = ss.Stop(ctx2)
require.EqualError(t, err, "context canceled")
select {
case <-ss.Done():
case <-time.After(time.Second):
t.Fatal("Runner not stopped")
}
err = ss.Err(ctx)
require.EqualError(t, err, rErr.Error())
r.AssertExpectations(t)
}
func TestRunnerFunc(t *testing.T) {
t.Parallel()
ctx := context.Background()
stopChan := make(<-chan struct{})
rErr := errors.New("Test error")
called := 0
r := startstopper.RunnerFunc(func(passedCtx context.Context, passedStopChan <-chan struct{}) error {
require.Equal(t, ctx, passedCtx)
require.Equal(t, stopChan, passedStopChan)
called++
return rErr
})
err := r.Run(ctx, stopChan)
require.EqualError(t, err, rErr.Error())
require.Equal(t, 1, called)
}