mirror of https://github.com/hashicorp/consul
92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
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package config
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import (
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"context"
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"os"
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"testing"
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"time"
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"github.com/hashicorp/go-hclog"
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"github.com/hashicorp/consul/sdk/testutil"
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"github.com/stretchr/testify/require"
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)
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func TestNewRateLimitedWatcher(t *testing.T) {
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w, err := NewRateLimitedFileWatcher([]string{}, hclog.New(&hclog.LoggerOptions{}), 1*time.Nanosecond)
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require.NoError(t, err)
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require.NotNil(t, w)
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}
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func TestRateLimitedWatcherRenameEvent(t *testing.T) {
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fileTmp := createTempConfigFile(t, "temp_config3")
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filepaths := []string{createTempConfigFile(t, "temp_config1"), createTempConfigFile(t, "temp_config2")}
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w, err := NewRateLimitedFileWatcher(filepaths, hclog.New(&hclog.LoggerOptions{}), 1*time.Nanosecond)
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require.NoError(t, err)
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w.Start(context.Background())
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defer func() {
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_ = w.Stop()
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}()
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require.NoError(t, err)
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err = os.Rename(fileTmp, filepaths[0])
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time.Sleep(timeoutDuration + 50*time.Millisecond)
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require.NoError(t, err)
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require.NoError(t, assertEvent(filepaths[0], w.EventsCh(), defaultTimeout))
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// make sure we consume all events
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_ = assertEvent(filepaths[0], w.EventsCh(), defaultTimeout)
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}
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func TestRateLimitedWatcherAddNotExist(t *testing.T) {
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file := testutil.TempFile(t, "temp_config")
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filename := file.Name() + randomStr(16)
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w, err := NewRateLimitedFileWatcher([]string{filename}, hclog.New(&hclog.LoggerOptions{}), 1*time.Nanosecond)
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require.Error(t, err, "no such file or directory")
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require.Nil(t, w)
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}
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func TestEventRateLimitedWatcherWrite(t *testing.T) {
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file := testutil.TempFile(t, "temp_config")
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_, err := file.WriteString("test config")
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require.NoError(t, err)
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err = file.Sync()
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require.NoError(t, err)
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w, err := NewRateLimitedFileWatcher([]string{file.Name()}, hclog.New(&hclog.LoggerOptions{}), 1*time.Nanosecond)
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require.NoError(t, err)
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w.Start(context.Background())
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defer func() {
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_ = w.Stop()
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}()
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_, err = file.WriteString("test config 2")
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require.NoError(t, err)
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err = file.Sync()
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require.NoError(t, err)
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require.NoError(t, assertEvent(file.Name(), w.EventsCh(), defaultTimeout))
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}
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func TestEventRateLimitedWatcherMove(t *testing.T) {
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filepath := createTempConfigFile(t, "temp_config1")
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w, err := NewRateLimitedFileWatcher([]string{filepath}, hclog.New(&hclog.LoggerOptions{}), 1*time.Second)
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require.NoError(t, err)
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w.Start(context.Background())
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defer func() {
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_ = w.Stop()
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}()
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for i := 0; i < 10; i++ {
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filepath2 := createTempConfigFile(t, "temp_config2")
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err = os.Rename(filepath2, filepath)
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time.Sleep(timeoutDuration + 50*time.Millisecond)
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require.NoError(t, err)
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}
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require.NoError(t, assertEvent(filepath, w.EventsCh(), defaultTimeout))
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require.Error(t, assertEvent(filepath, w.EventsCh(), defaultTimeout), "expected timeout error")
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}
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