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moby--moby/daemon/discovery/discovery_test.go
Daniel Nephin 09652bf878 Add ineffassign linter
Also enable GC in linting to reduce memory usage.

Signed-off-by: Daniel Nephin <dnephin@docker.com>
2017-09-08 18:23:21 -04:00

96 lines
2.7 KiB
Go

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