Files
flagger/pkg/router/smi_test.go
2020-04-04 23:46:38 +11:00

124 lines
3.0 KiB
Go

package router
import (
"context"
"strconv"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
smiv1 "github.com/weaveworks/flagger/pkg/apis/smi/v1alpha1"
)
func TestSmiRouter_Sync(t *testing.T) {
canary := newTestSMICanary()
mocks := newFixture(canary)
router := &SmiRouter{
logger: mocks.logger,
flaggerClient: mocks.flaggerClient,
smiClient: mocks.meshClient,
kubeClient: mocks.kubeClient,
}
err := router.Reconcile(canary)
require.NoError(t, err)
// test insert
ts, err := router.smiClient.SplitV1alpha1().TrafficSplits("default").Get(context.TODO(), "podinfo", metav1.GetOptions{})
require.NoError(t, err)
dests := ts.Spec.Backends
assert.Len(t, dests, 2)
apexName, primaryName, canaryName := canary.GetServiceNames()
assert.Equal(t, ts.Spec.Service, apexName)
var pRoute smiv1.TrafficSplitBackend
var cRoute smiv1.TrafficSplitBackend
for _, dest := range ts.Spec.Backends {
if dest.Service == primaryName {
pRoute = dest
}
if dest.Service == canaryName {
cRoute = dest
}
}
assert.Equal(t, strconv.Itoa(100), pRoute.Weight.String())
assert.Equal(t, strconv.Itoa(0), cRoute.Weight.String())
// test update
host := "test"
canary.Spec.Service.Name = host
err = router.Reconcile(canary)
require.NoError(t, err)
ts, err = router.smiClient.SplitV1alpha1().TrafficSplits("default").Get(context.TODO(), "test", metav1.GetOptions{})
require.NoError(t, err)
assert.Equal(t, host, ts.Spec.Service)
}
func TestSmiRouter_SetRoutes(t *testing.T) {
canary := newTestSMICanary()
mocks := newFixture(canary)
router := &SmiRouter{
logger: mocks.logger,
flaggerClient: mocks.flaggerClient,
smiClient: mocks.meshClient,
kubeClient: mocks.kubeClient,
}
err := router.Reconcile(mocks.canary)
require.NoError(t, err)
p, c, m, err := router.GetRoutes(mocks.canary)
require.NoError(t, err)
p = 50
c = 50
m = false
err = router.SetRoutes(mocks.canary, p, c, m)
require.NoError(t, err)
ts, err := router.smiClient.SplitV1alpha1().TrafficSplits("default").Get(context.TODO(), "podinfo", metav1.GetOptions{})
require.NoError(t, err)
var pRoute smiv1.TrafficSplitBackend
var cRoute smiv1.TrafficSplitBackend
_, primaryName, canaryName := canary.GetServiceNames()
for _, dest := range ts.Spec.Backends {
if dest.Service == primaryName {
pRoute = dest
}
if dest.Service == canaryName {
cRoute = dest
}
}
assert.Equal(t, strconv.Itoa(p), pRoute.Weight.String())
assert.Equal(t, strconv.Itoa(c), cRoute.Weight.String())
}
func TestSmiRouter_GetRoutes(t *testing.T) {
mocks := newFixture(nil)
router := &SmiRouter{
logger: mocks.logger,
flaggerClient: mocks.flaggerClient,
smiClient: mocks.meshClient,
kubeClient: mocks.kubeClient,
}
err := router.Reconcile(mocks.canary)
require.NoError(t, err)
p, c, m, err := router.GetRoutes(mocks.canary)
require.NoError(t, err)
assert.Equal(t, 100, p)
assert.Equal(t, 0, c)
assert.False(t, m)
}