github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/gossip/info_test.go (about)

     1  // Copyright 2014 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package gossip
    12  
    13  import (
    14  	"testing"
    15  	"time"
    16  
    17  	"github.com/cockroachdb/cockroach/pkg/roachpb"
    18  	"github.com/cockroachdb/cockroach/pkg/util/hlc"
    19  	"github.com/cockroachdb/cockroach/pkg/util/leaktest"
    20  	"github.com/cockroachdb/cockroach/pkg/util/timeutil"
    21  )
    22  
    23  func newInfo(val float64) Info {
    24  	now := timeutil.Now()
    25  
    26  	v := roachpb.Value{Timestamp: hlc.Timestamp{WallTime: now.UnixNano()}}
    27  	v.SetFloat(val)
    28  
    29  	return Info{
    30  		Value:     v,
    31  		OrigStamp: now.UnixNano(),
    32  		TTLStamp:  now.Add(time.Millisecond).UnixNano(),
    33  	}
    34  }
    35  
    36  func TestExpired(t *testing.T) {
    37  	defer leaktest.AfterTest(t)()
    38  
    39  	i := newInfo(float64(1))
    40  	if i.expired(i.Value.Timestamp.WallTime) {
    41  		t.Error("premature expiration")
    42  	}
    43  	if !i.expired(i.TTLStamp) {
    44  		t.Error("info should have expired")
    45  	}
    46  }
    47  
    48  func TestIsFresh(t *testing.T) {
    49  	defer leaktest.AfterTest(t)()
    50  
    51  	i := newInfo(float64(1))
    52  	if !i.isFresh(i.OrigStamp - 1) {
    53  		t.Error("info should be fresh:", i)
    54  	}
    55  	if i.isFresh(i.OrigStamp) {
    56  		t.Error("info should not be fresh:", i)
    57  	}
    58  	if i.isFresh(i.OrigStamp + 1) {
    59  		t.Error("info should not be fresh:", i)
    60  	}
    61  	// Using timestamp 0 will always yield fresh data.
    62  	if !i.isFresh(0) {
    63  		t.Error("info should be fresh from node0:", i)
    64  	}
    65  }