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

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2017-10-06 15:29:20 +00:00
// 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"
"github.com/mtneug/pkg/startstopper"
"github.com/mtneug/pkg/startstopper/testutils"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
)
type InMemoryMapTestSuite struct {
suite.Suite
ctx context.Context
err error
ss1 *testutils.MockStartStopper
ss2 *testutils.MockStartStopper
m startstopper.Map
}
func (s *InMemoryMapTestSuite) SetupTest() {
s.ctx = context.Background()
s.err = errors.New("test error")
s.ss1 = &testutils.MockStartStopper{}
s.ss2 = &testutils.MockStartStopper{}
s.m = startstopper.NewInMemoryMap()
}
func (s *InMemoryMapTestSuite) TestLen() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
s.ss2.On("Start", s.ctx).Return(nil).Once()
require.Equal(s.T(), 0, s.m.Len())
_, _ = s.m.AddAndStart(s.ctx, "test1", s.ss1)
require.Equal(s.T(), 1, s.m.Len())
_, _ = s.m.AddAndStart(s.ctx, "test2", s.ss2)
require.Equal(s.T(), 2, s.m.Len())
s.ss1.AssertExpectations(s.T())
s.ss2.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestGetNotInserted() {
ss, ok := s.m.Get("test")
require.Nil(s.T(), ss)
require.False(s.T(), ok)
}
func (s *InMemoryMapTestSuite) TestAddAndStart() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
changed, err := s.m.AddAndStart(s.ctx, "test", s.ss1)
require.NoError(s.T(), err)
require.True(s.T(), changed)
ss, ok := s.m.Get("test")
require.Equal(s.T(), s.ss1, ss)
require.True(s.T(), ok)
s.ss1.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestAddAndStartErrStart() {
s.ss1.On("Start", s.ctx).Return(s.err).Once()
changed, err := s.m.AddAndStart(s.ctx, "test", s.ss1)
require.EqualError(s.T(), err, s.err.Error())
require.False(s.T(), changed)
ss, ok := s.m.Get("test")
require.Nil(s.T(), ss)
require.False(s.T(), ok)
s.ss1.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestDeleteAndStopNotInserted() {
changed, err := s.m.DeleteAndStop(s.ctx, "test")
require.NoError(s.T(), err)
require.False(s.T(), changed)
s.ss1.AssertExpectations(s.T())
s.ss1.AssertNotCalled(s.T(), "Stop")
}
func (s *InMemoryMapTestSuite) TestDeleteAndStopInserted() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
s.ss1.On("Stop", s.ctx).Return(nil).Once()
_, _ = s.m.AddAndStart(s.ctx, "test", s.ss1)
changed, err := s.m.DeleteAndStop(s.ctx, "test")
require.NoError(s.T(), err)
require.True(s.T(), changed)
ss, ok := s.m.Get("test")
require.Nil(s.T(), ss)
require.False(s.T(), ok)
s.ss1.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestDeleteAndStopInsertedErrStart() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
s.ss1.On("Stop", s.ctx).Return(s.err).Once()
_, _ = s.m.AddAndStart(s.ctx, "test", s.ss1)
changed, err := s.m.DeleteAndStop(s.ctx, "test")
require.EqualError(s.T(), err, s.err.Error())
require.False(s.T(), changed)
ss, ok := s.m.Get("test")
require.Equal(s.T(), s.ss1, ss)
require.True(s.T(), ok)
s.ss1.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestUpdateAndRestartNotInserted() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
changed, err := s.m.UpdateAndRestart(s.ctx, "test", s.ss1)
require.NoError(s.T(), err)
require.True(s.T(), changed)
ss, ok := s.m.Get("test")
require.Equal(s.T(), s.ss1, ss)
require.True(s.T(), ok)
s.ss1.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestUpdateAndRestartNotInsertedErrStart() {
s.ss1.On("Start", s.ctx).Return(s.err).Once()
changed, err := s.m.UpdateAndRestart(s.ctx, "test", s.ss1)
require.EqualError(s.T(), err, s.err.Error())
require.False(s.T(), changed)
ss, ok := s.m.Get("test")
require.Nil(s.T(), ss)
require.False(s.T(), ok)
s.ss1.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestUpdateAndRestartInserted() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
s.ss1.On("Stop", s.ctx).Return(nil).Once()
s.ss2.On("Start", s.ctx).Return(nil).Once()
_, _ = s.m.AddAndStart(s.ctx, "test", s.ss1)
changed, err := s.m.UpdateAndRestart(s.ctx, "test", s.ss2)
require.NoError(s.T(), err)
require.True(s.T(), changed)
ss, ok := s.m.Get("test")
require.Equal(s.T(), s.ss2, ss)
require.True(s.T(), ok)
s.ss1.AssertExpectations(s.T())
s.ss2.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestUpdateAndRestartInsertedErrStop() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
s.ss1.On("Stop", s.ctx).Return(s.err).Once()
_, _ = s.m.AddAndStart(s.ctx, "test", s.ss1)
changed, err := s.m.UpdateAndRestart(s.ctx, "test", s.ss2)
require.EqualError(s.T(), s.err, err.Error())
require.False(s.T(), changed)
ss, ok := s.m.Get("test")
require.Equal(s.T(), s.ss1, ss)
require.True(s.T(), ok)
s.ss1.AssertExpectations(s.T())
s.ss2.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestUpdateAndRestartInsertedErrStart() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
s.ss1.On("Stop", s.ctx).Return(nil).Once()
s.ss2.On("Start", s.ctx).Return(s.err).Once()
_, _ = s.m.AddAndStart(s.ctx, "test", s.ss1)
changed, err := s.m.UpdateAndRestart(s.ctx, "test", s.ss2)
require.EqualError(s.T(), s.err, err.Error())
require.True(s.T(), changed)
ss, ok := s.m.Get("test")
require.Nil(s.T(), ss)
require.False(s.T(), ok)
s.ss1.AssertExpectations(s.T())
s.ss2.AssertExpectations(s.T())
}
func (s *InMemoryMapTestSuite) TestForEach() {
s.ss1.On("Start", s.ctx).Return(nil).Once()
s.ss2.On("Start", s.ctx).Return(nil).Once()
_, _ = s.m.AddAndStart(s.ctx, "test1", s.ss1)
_, _ = s.m.AddAndStart(s.ctx, "test2", s.ss2)
called := 0
notSeen := map[string]*testutils.MockStartStopper{
"test1": s.ss1,
"test2": s.ss2,
}
s.m.ForEach(func(key string, ss startstopper.StartStopper) {
called++
require.Equal(s.T(), notSeen[key], ss)
delete(notSeen, key)
})
require.Equal(s.T(), 2, called)
require.Empty(s.T(), notSeen)
s.ss1.AssertExpectations(s.T())
s.ss2.AssertExpectations(s.T())
}
func TestInMemoryMap(t *testing.T) {
t.Parallel()
suite.Run(t, &InMemoryMapTestSuite{})
}