github.com/uber/kraken@v0.1.4/lib/healthcheck/monitor_test.go (about)

     1  // Copyright (c) 2016-2019 Uber Technologies, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  package healthcheck
    15  
    16  import (
    17  	"testing"
    18  	"time"
    19  
    20  	"github.com/uber/kraken/lib/hostlist"
    21  	"github.com/uber/kraken/mocks/lib/healthcheck"
    22  	"github.com/uber/kraken/utils/stringset"
    23  
    24  	"github.com/golang/mock/gomock"
    25  	"github.com/stretchr/testify/require"
    26  )
    27  
    28  func TestActiveMonitor(t *testing.T) {
    29  	require := require.New(t)
    30  
    31  	ctrl := gomock.NewController(t)
    32  	defer ctrl.Finish()
    33  
    34  	x := "x:80"
    35  	y := "y:80"
    36  
    37  	filter := mockhealthcheck.NewMockFilter(ctrl)
    38  
    39  	filter.EXPECT().Run(stringset.New(x, y)).Return(stringset.New(x))
    40  
    41  	m := NewMonitor(
    42  		MonitorConfig{Interval: time.Second},
    43  		hostlist.Fixture(x, y),
    44  		filter)
    45  	defer m.Stop()
    46  
    47  	require.Equal(stringset.New(x, y), m.Resolve())
    48  
    49  	time.Sleep(1250 * time.Millisecond)
    50  
    51  	require.Equal(stringset.New(x), m.Resolve())
    52  }