open-consul/agent/log-drop/log-drop_test.go

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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package logdrop
import (
"context"
"testing"
"time"
"github.com/hashicorp/go-hclog"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/sdk/testutil/retry"
)
func TestNewLogDrop(t *testing.T) {
mockLogger := NewMockLogger(t)
mockLogger.On("Log", hclog.Info, "hello", "test", 0).Return()
ld := NewLogDropSink(context.Background(), 10, mockLogger, func(_ Log) {})
require.NotNil(t, ld)
ld.Accept("test Log", hclog.Info, "hello", "test", 0)
retry.Run(t, func(r *retry.R) {
mockLogger.AssertNumberOfCalls(r, "Log", 1)
})
}
func TestLogDroppedWhenChannelFilled(t *testing.T) {
mockLogger := NewMockLogger(t)
ctx, cancelFunc := context.WithCancel(context.Background())
defer cancelFunc()
block := make(chan interface{})
mockLogger.On("Log", hclog.Debug, "hello").Run(func(args mock.Arguments) {
<-block
})
var called = make(chan interface{})
ld := NewLogDropSink(ctx, 1, mockLogger, func(l Log) {
close(called)
})
for i := 0; i < 2; i++ {
ld.Accept("test", hclog.Debug, "hello")
}
select {
case <-called:
close(block)
case <-time.After(100 * time.Millisecond):
t.Fatal("timeout waiting for drop func to be called")
}
retry.Run(t, func(r *retry.R) {
mockLogger.AssertNumberOfCalls(r, "Log", 1)
})
}