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97 lines
2.7 KiB
Go
97 lines
2.7 KiB
Go
package discovery // import "github.com/docker/docker/daemon/discovery"
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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/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestDiscoveryOptsErrors(t *testing.T) {
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var testcases = []struct {
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doc string
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opts map[string]string
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}{
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{
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doc: "discovery.ttl < discovery.heartbeat",
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opts: map[string]string{"discovery.heartbeat": "10", "discovery.ttl": "5"},
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},
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{
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doc: "discovery.ttl == discovery.heartbeat",
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opts: map[string]string{"discovery.heartbeat": "10", "discovery.ttl": "10"},
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},
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{
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doc: "negative discovery.heartbeat",
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opts: map[string]string{"discovery.heartbeat": "-10", "discovery.ttl": "10"},
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},
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{
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doc: "negative discovery.ttl",
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opts: map[string]string{"discovery.heartbeat": "10", "discovery.ttl": "-10"},
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},
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{
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doc: "invalid discovery.heartbeat",
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opts: map[string]string{"discovery.heartbeat": "invalid"},
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},
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{
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doc: "invalid discovery.ttl",
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opts: map[string]string{"discovery.ttl": "invalid"},
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},
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}
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for _, testcase := range testcases {
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_, _, err := discoveryOpts(testcase.opts)
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assert.Error(t, err, testcase.doc)
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}
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}
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func TestDiscoveryOpts(t *testing.T) {
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clusterOpts := map[string]string{"discovery.heartbeat": "10", "discovery.ttl": "20"}
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heartbeat, ttl, err := discoveryOpts(clusterOpts)
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require.NoError(t, err)
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assert.Equal(t, 10*time.Second, heartbeat)
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assert.Equal(t, 20*time.Second, ttl)
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clusterOpts = map[string]string{"discovery.heartbeat": "10"}
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heartbeat, ttl, err = discoveryOpts(clusterOpts)
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require.NoError(t, err)
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assert.Equal(t, 10*time.Second, heartbeat)
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assert.Equal(t, 10*defaultDiscoveryTTLFactor*time.Second, ttl)
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clusterOpts = map[string]string{"discovery.ttl": "30"}
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heartbeat, ttl, err = discoveryOpts(clusterOpts)
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require.NoError(t, err)
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if ttl != 30*time.Second {
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t.Fatalf("TTL - Expected : %v, Actual : %v", 30*time.Second, ttl)
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}
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expected := 30 * time.Second / defaultDiscoveryTTLFactor
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if heartbeat != expected {
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t.Fatalf("Heartbeat - Expected : %v, Actual : %v", expected, heartbeat)
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}
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discoveryTTL := fmt.Sprintf("%d", defaultDiscoveryTTLFactor-1)
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clusterOpts = map[string]string{"discovery.ttl": discoveryTTL}
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heartbeat, _, err = discoveryOpts(clusterOpts)
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if err == nil && heartbeat == 0 {
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t.Fatal("discovery.heartbeat must be positive")
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}
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clusterOpts = map[string]string{}
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heartbeat, ttl, err = discoveryOpts(clusterOpts)
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if err != nil {
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t.Fatal(err)
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}
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if heartbeat != defaultDiscoveryHeartbeat {
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t.Fatalf("Heartbeat - Expected : %v, Actual : %v", defaultDiscoveryHeartbeat, heartbeat)
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}
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expected = defaultDiscoveryHeartbeat * defaultDiscoveryTTLFactor
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if ttl != expected {
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t.Fatalf("TTL - Expected : %v, Actual : %v", expected, ttl)
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}
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}
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