81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package mailservers
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import (
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"fmt"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/stretchr/testify/require"
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"github.com/syndtr/goleveldb/leveldb"
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"github.com/syndtr/goleveldb/leveldb/storage"
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)
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func newInMemCache(t *testing.T) *Cache {
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db, err := leveldb.Open(storage.NewMemStorage(), nil)
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require.NoError(t, err)
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return NewCache(db)
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}
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func containsNode(nodes []*enode.Node, node *enode.Node) error {
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for _, n := range nodes {
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if n.ID() == node.ID() {
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return nil
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}
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}
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return fmt.Errorf("nodes %+s do not contain %s", nodes, node)
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}
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func TestReplaceRecords(t *testing.T) {
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nodesNumber := 3
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cache := newInMemCache(t)
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nodes := make([]*enode.Node, nodesNumber)
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// First round is a sanity check that records were written.
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fillWithRandomNodes(t, nodes)
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require.NoError(t, cache.Replace(nodes))
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records, err := cache.LoadAll()
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require.NoError(t, err)
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require.Len(t, records, nodesNumber)
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for i := range records {
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require.NoError(t, containsNode(nodes, records[i].Node()))
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}
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// Replace all nodes and verify that length is the same and loaded records are found.
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fillWithRandomNodes(t, nodes)
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require.NoError(t, cache.Replace(nodes))
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records, err = cache.LoadAll()
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require.NoError(t, err)
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require.Len(t, records, nodesNumber)
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for i := range records {
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require.NoError(t, containsNode(nodes, records[i].Node()))
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}
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}
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func TestUsedRecord(t *testing.T) {
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cache := newInMemCache(t)
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node, err := RandomNode()
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require.NoError(t, err)
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record := PeerRecord{node: node}
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require.NoError(t, cache.UpdateRecord(record))
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record.LastUsed = time.Now()
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require.NoError(t, cache.UpdateRecord(record))
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records, err := cache.LoadAll()
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require.NoError(t, err)
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require.Len(t, records, 1)
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require.True(t, record.LastUsed.Equal(records[0].LastUsed))
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}
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func TestTimestampPreservedOnReplace(t *testing.T) {
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cache := newInMemCache(t)
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node, err := RandomNode()
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require.NoError(t, err)
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record := PeerRecord{node: node, LastUsed: time.Now()}
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require.NoError(t, cache.UpdateRecord(record))
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require.NoError(t, cache.Replace([]*enode.Node{node}))
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records, err := cache.LoadAll()
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require.NoError(t, err)
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require.Len(t, records, 1)
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require.Equal(t, node.ID(), records[0].Node().ID())
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require.False(t, records[0].LastUsed.IsZero(), "timestamp should be preserved and not equal to zero")
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}
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