434 lines
11 KiB
Go
434 lines
11 KiB
Go
package networkdb
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"sync/atomic"
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"testing"
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"time"
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"github.com/Sirupsen/logrus"
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"github.com/docker/go-events"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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var (
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dbPort int32 = 10000
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runningInContainer = flag.Bool("incontainer", false, "Indicates if the test is running in a container")
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)
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func TestMain(m *testing.M) {
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ioutil.WriteFile("/proc/sys/net/ipv6/conf/lo/disable_ipv6", []byte{'0', '\n'}, 0644)
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logrus.SetLevel(logrus.ErrorLevel)
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os.Exit(m.Run())
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}
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func createNetworkDBInstances(t *testing.T, num int, namePrefix string) []*NetworkDB {
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var dbs []*NetworkDB
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for i := 0; i < num; i++ {
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db, err := New(&Config{
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NodeName: fmt.Sprintf("%s%d", namePrefix, i+1),
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BindPort: int(atomic.AddInt32(&dbPort, 1)),
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})
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require.NoError(t, err)
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if i != 0 {
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err = db.Join([]string{fmt.Sprintf("localhost:%d", db.config.BindPort-1)})
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assert.NoError(t, err)
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}
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dbs = append(dbs, db)
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}
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return dbs
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}
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func closeNetworkDBInstances(dbs []*NetworkDB) {
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for _, db := range dbs {
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db.Close()
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}
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}
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func (db *NetworkDB) verifyNodeExistence(t *testing.T, node string, present bool) {
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for i := 0; i < 80; i++ {
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_, ok := db.nodes[node]
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if present && ok {
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return
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}
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if !present && !ok {
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return
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}
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time.Sleep(50 * time.Millisecond)
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}
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assert.Fail(t, fmt.Sprintf("%s: Node existence verification for node %s failed", db.config.NodeName, node))
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}
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func (db *NetworkDB) verifyNetworkExistence(t *testing.T, node string, id string, present bool) {
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for i := 0; i < 80; i++ {
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if nn, nnok := db.networks[node]; nnok {
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n, ok := nn[id]
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if present && ok {
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return
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}
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if !present &&
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((ok && n.leaving) ||
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!ok) {
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return
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}
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}
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time.Sleep(50 * time.Millisecond)
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}
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assert.Fail(t, "Network existence verification failed")
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}
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func (db *NetworkDB) verifyEntryExistence(t *testing.T, tname, nid, key, value string, present bool) {
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n := 80
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for i := 0; i < n; i++ {
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entry, err := db.getEntry(tname, nid, key)
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if present && err == nil && string(entry.value) == value {
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return
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}
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if !present &&
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((err == nil && entry.deleting) ||
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(err != nil)) {
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return
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}
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if i == n-1 && !present && err != nil {
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return
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}
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time.Sleep(50 * time.Millisecond)
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}
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assert.Fail(t, fmt.Sprintf("Entry existence verification test failed for %s", db.config.NodeName))
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}
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func testWatch(t *testing.T, ch chan events.Event, ev interface{}, tname, nid, key, value string) {
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select {
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case rcvdEv := <-ch:
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assert.Equal(t, fmt.Sprintf("%T", rcvdEv), fmt.Sprintf("%T", ev))
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switch rcvdEv.(type) {
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case CreateEvent:
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assert.Equal(t, tname, rcvdEv.(CreateEvent).Table)
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assert.Equal(t, nid, rcvdEv.(CreateEvent).NetworkID)
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assert.Equal(t, key, rcvdEv.(CreateEvent).Key)
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assert.Equal(t, value, string(rcvdEv.(CreateEvent).Value))
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case UpdateEvent:
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assert.Equal(t, tname, rcvdEv.(UpdateEvent).Table)
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assert.Equal(t, nid, rcvdEv.(UpdateEvent).NetworkID)
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assert.Equal(t, key, rcvdEv.(UpdateEvent).Key)
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assert.Equal(t, value, string(rcvdEv.(UpdateEvent).Value))
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case DeleteEvent:
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assert.Equal(t, tname, rcvdEv.(DeleteEvent).Table)
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assert.Equal(t, nid, rcvdEv.(DeleteEvent).NetworkID)
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assert.Equal(t, key, rcvdEv.(DeleteEvent).Key)
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}
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case <-time.After(time.Second):
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t.Fail()
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return
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}
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}
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func TestNetworkDBSimple(t *testing.T) {
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dbs := createNetworkDBInstances(t, 2, "node")
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closeNetworkDBInstances(dbs)
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}
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func TestNetworkDBJoinLeaveNetwork(t *testing.T) {
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dbs := createNetworkDBInstances(t, 2, "node")
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err := dbs[0].JoinNetwork("network1")
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assert.NoError(t, err)
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dbs[1].verifyNetworkExistence(t, "node1", "network1", true)
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err = dbs[0].LeaveNetwork("network1")
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assert.NoError(t, err)
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dbs[1].verifyNetworkExistence(t, "node1", "network1", false)
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closeNetworkDBInstances(dbs)
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}
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func TestNetworkDBJoinLeaveNetworks(t *testing.T) {
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dbs := createNetworkDBInstances(t, 2, "node")
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n := 10
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for i := 1; i <= n; i++ {
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err := dbs[0].JoinNetwork(fmt.Sprintf("network0%d", i))
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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err := dbs[1].JoinNetwork(fmt.Sprintf("network1%d", i))
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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dbs[1].verifyNetworkExistence(t, "node1", fmt.Sprintf("network0%d", i), true)
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}
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for i := 1; i <= n; i++ {
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dbs[0].verifyNetworkExistence(t, "node2", fmt.Sprintf("network1%d", i), true)
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}
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for i := 1; i <= n; i++ {
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err := dbs[0].LeaveNetwork(fmt.Sprintf("network0%d", i))
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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err := dbs[1].LeaveNetwork(fmt.Sprintf("network1%d", i))
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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dbs[1].verifyNetworkExistence(t, "node1", fmt.Sprintf("network0%d", i), false)
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}
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for i := 1; i <= n; i++ {
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dbs[0].verifyNetworkExistence(t, "node2", fmt.Sprintf("network1%d", i), false)
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}
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closeNetworkDBInstances(dbs)
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}
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func TestNetworkDBCRUDTableEntry(t *testing.T) {
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dbs := createNetworkDBInstances(t, 3, "node")
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err := dbs[0].JoinNetwork("network1")
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assert.NoError(t, err)
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dbs[1].verifyNetworkExistence(t, "node1", "network1", true)
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err = dbs[1].JoinNetwork("network1")
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assert.NoError(t, err)
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err = dbs[0].CreateEntry("test_table", "network1", "test_key", []byte("test_value"))
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assert.NoError(t, err)
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dbs[1].verifyEntryExistence(t, "test_table", "network1", "test_key", "test_value", true)
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dbs[2].verifyEntryExistence(t, "test_table", "network1", "test_key", "test_value", false)
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err = dbs[0].UpdateEntry("test_table", "network1", "test_key", []byte("test_updated_value"))
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assert.NoError(t, err)
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dbs[1].verifyEntryExistence(t, "test_table", "network1", "test_key", "test_updated_value", true)
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err = dbs[0].DeleteEntry("test_table", "network1", "test_key")
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assert.NoError(t, err)
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dbs[1].verifyEntryExistence(t, "test_table", "network1", "test_key", "", false)
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closeNetworkDBInstances(dbs)
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}
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func TestNetworkDBCRUDTableEntries(t *testing.T) {
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dbs := createNetworkDBInstances(t, 2, "node")
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err := dbs[0].JoinNetwork("network1")
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assert.NoError(t, err)
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dbs[1].verifyNetworkExistence(t, "node1", "network1", true)
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err = dbs[1].JoinNetwork("network1")
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assert.NoError(t, err)
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n := 10
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for i := 1; i <= n; i++ {
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err = dbs[0].CreateEntry("test_table", "network1",
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fmt.Sprintf("test_key0%d", i),
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[]byte(fmt.Sprintf("test_value0%d", i)))
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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err = dbs[1].CreateEntry("test_table", "network1",
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fmt.Sprintf("test_key1%d", i),
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[]byte(fmt.Sprintf("test_value1%d", i)))
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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dbs[0].verifyEntryExistence(t, "test_table", "network1",
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fmt.Sprintf("test_key1%d", i),
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fmt.Sprintf("test_value1%d", i), true)
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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dbs[1].verifyEntryExistence(t, "test_table", "network1",
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fmt.Sprintf("test_key0%d", i),
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fmt.Sprintf("test_value0%d", i), true)
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assert.NoError(t, err)
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}
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// Verify deletes
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for i := 1; i <= n; i++ {
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err = dbs[0].DeleteEntry("test_table", "network1",
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fmt.Sprintf("test_key0%d", i))
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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err = dbs[1].DeleteEntry("test_table", "network1",
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fmt.Sprintf("test_key1%d", i))
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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dbs[0].verifyEntryExistence(t, "test_table", "network1",
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fmt.Sprintf("test_key1%d", i), "", false)
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assert.NoError(t, err)
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}
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for i := 1; i <= n; i++ {
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dbs[1].verifyEntryExistence(t, "test_table", "network1",
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fmt.Sprintf("test_key0%d", i), "", false)
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assert.NoError(t, err)
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}
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closeNetworkDBInstances(dbs)
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}
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func TestNetworkDBNodeLeave(t *testing.T) {
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dbs := createNetworkDBInstances(t, 2, "node")
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err := dbs[0].JoinNetwork("network1")
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assert.NoError(t, err)
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err = dbs[1].JoinNetwork("network1")
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assert.NoError(t, err)
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err = dbs[0].CreateEntry("test_table", "network1", "test_key", []byte("test_value"))
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assert.NoError(t, err)
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dbs[1].verifyEntryExistence(t, "test_table", "network1", "test_key", "test_value", true)
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dbs[0].Close()
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dbs[1].verifyEntryExistence(t, "test_table", "network1", "test_key", "test_value", false)
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dbs[1].Close()
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}
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func TestNetworkDBWatch(t *testing.T) {
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dbs := createNetworkDBInstances(t, 2, "node")
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err := dbs[0].JoinNetwork("network1")
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assert.NoError(t, err)
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err = dbs[1].JoinNetwork("network1")
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assert.NoError(t, err)
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ch, cancel := dbs[1].Watch("", "", "")
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err = dbs[0].CreateEntry("test_table", "network1", "test_key", []byte("test_value"))
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assert.NoError(t, err)
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testWatch(t, ch, CreateEvent{}, "test_table", "network1", "test_key", "test_value")
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err = dbs[0].UpdateEntry("test_table", "network1", "test_key", []byte("test_updated_value"))
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assert.NoError(t, err)
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testWatch(t, ch, UpdateEvent{}, "test_table", "network1", "test_key", "test_updated_value")
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err = dbs[0].DeleteEntry("test_table", "network1", "test_key")
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assert.NoError(t, err)
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testWatch(t, ch, DeleteEvent{}, "test_table", "network1", "test_key", "")
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cancel()
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closeNetworkDBInstances(dbs)
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}
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func TestNetworkDBBulkSync(t *testing.T) {
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dbs := createNetworkDBInstances(t, 2, "node")
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err := dbs[0].JoinNetwork("network1")
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assert.NoError(t, err)
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dbs[1].verifyNetworkExistence(t, "node1", "network1", true)
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n := 1000
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for i := 1; i <= n; i++ {
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err = dbs[0].CreateEntry("test_table", "network1",
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fmt.Sprintf("test_key0%d", i),
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[]byte(fmt.Sprintf("test_value0%d", i)))
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assert.NoError(t, err)
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}
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err = dbs[1].JoinNetwork("network1")
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assert.NoError(t, err)
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dbs[0].verifyNetworkExistence(t, "node2", "network1", true)
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for i := 1; i <= n; i++ {
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dbs[1].verifyEntryExistence(t, "test_table", "network1",
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fmt.Sprintf("test_key0%d", i),
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fmt.Sprintf("test_value0%d", i), true)
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assert.NoError(t, err)
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}
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closeNetworkDBInstances(dbs)
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}
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func TestNetworkDBCRUDMediumCluster(t *testing.T) {
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n := 5
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dbs := createNetworkDBInstances(t, n, "node")
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for i := 0; i < n; i++ {
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for j := 0; j < n; j++ {
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if i == j {
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continue
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}
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dbs[i].verifyNodeExistence(t, fmt.Sprintf("node%d", j+1), true)
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}
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}
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for i := 0; i < n; i++ {
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err := dbs[i].JoinNetwork("network1")
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assert.NoError(t, err)
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}
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for i := 0; i < n; i++ {
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for j := 0; j < n; j++ {
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dbs[i].verifyNetworkExistence(t, fmt.Sprintf("node%d", j+1), "network1", true)
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}
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}
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err := dbs[0].CreateEntry("test_table", "network1", "test_key", []byte("test_value"))
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assert.NoError(t, err)
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for i := 1; i < n; i++ {
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dbs[i].verifyEntryExistence(t, "test_table", "network1", "test_key", "test_value", true)
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}
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err = dbs[0].UpdateEntry("test_table", "network1", "test_key", []byte("test_updated_value"))
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assert.NoError(t, err)
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for i := 1; i < n; i++ {
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dbs[i].verifyEntryExistence(t, "test_table", "network1", "test_key", "test_updated_value", true)
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}
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err = dbs[0].DeleteEntry("test_table", "network1", "test_key")
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assert.NoError(t, err)
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for i := 1; i < n; i++ {
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dbs[i].verifyEntryExistence(t, "test_table", "network1", "test_key", "", false)
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}
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log.Print("Closing DB instances...")
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closeNetworkDBInstances(dbs)
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}
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