97 lines
1.8 KiB
Go
97 lines
1.8 KiB
Go
package monitor
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import (
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"fmt"
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"strings"
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"testing"
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"time"
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log "github.com/hashicorp/go-hclog"
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"github.com/stretchr/testify/require"
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)
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func TestMonitor_Start(t *testing.T) {
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t.Parallel()
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logger := log.NewInterceptLogger(&log.LoggerOptions{
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Level: log.Error,
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})
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m, _ := NewMonitor(512, logger, &log.LoggerOptions{
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Level: log.Debug,
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})
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logCh := m.Start()
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defer m.Stop()
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go func() {
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logger.Debug("test log")
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time.Sleep(10 * time.Millisecond)
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}()
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select {
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case l := <-logCh:
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require.Contains(t, string(l), "[DEBUG] test log")
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return
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case <-time.After(5 * time.Second):
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t.Fatal("Expected to receive from log channel")
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}
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}
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func TestMonitor_Start_Unbuffered(t *testing.T) {
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t.Parallel()
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logger := log.NewInterceptLogger(&log.LoggerOptions{
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Level: log.Error,
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})
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_, err := NewMonitor(0, logger, &log.LoggerOptions{
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Level: log.Debug,
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})
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if err == nil {
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t.Fatal("expected to get an error, but didn't")
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} else {
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if !strings.Contains(err.Error(), "greater than zero") {
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t.Fatal("expected an error about buf being greater than zero")
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}
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}
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}
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// Ensure number of dropped messages are logged
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func TestMonitor_DroppedMessages(t *testing.T) {
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t.Parallel()
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logger := log.NewInterceptLogger(&log.LoggerOptions{
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Level: log.Warn,
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})
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m, _ := newMonitor(5, logger, &log.LoggerOptions{
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Level: log.Debug,
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})
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m.dropCheckInterval = 5 * time.Millisecond
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logCh := m.Start()
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defer m.Stop()
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for i := 0; i <= 100; i++ {
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logger.Debug(fmt.Sprintf("test message %d", i))
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}
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passed := make(chan struct{})
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go func() {
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for recv := range logCh {
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if strings.Contains(string(recv), "Monitor dropped") {
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close(passed)
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return
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}
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}
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}()
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select {
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case <-passed:
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case <-time.After(2 * time.Second):
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require.Fail(t, "expected to see warn dropped messages")
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}
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}
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