flagger/pkg/canary/knative_controller_test.go

80 lines
2.9 KiB
Go

package canary
import (
"context"
"testing"
"github.com/fluxcd/flagger/pkg/apis/flagger/v1beta1"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestKnativeController_Promote(t *testing.T) {
mocks := newKnativeServiceFixture("podinfo")
_, err := mocks.controller.Initialize(mocks.canary)
require.NoError(t, err)
service, err := mocks.knativeClient.ServingV1().Services("default").Get(context.TODO(), "podinfo", metav1.GetOptions{})
require.NoError(t, err)
service.Status.LatestCreatedRevisionName = "latest-revision"
_, err = mocks.knativeClient.ServingV1().Services("default").UpdateStatus(context.TODO(), service, metav1.UpdateOptions{})
require.NoError(t, err)
err = mocks.controller.Promote(mocks.canary)
require.NoError(t, err)
service, err = mocks.knativeClient.ServingV1().Services("default").Get(context.TODO(), "podinfo", metav1.GetOptions{})
require.NoError(t, err)
assert.Equal(t, "latest-revision", service.Annotations["flagger.app/primary-revision"])
}
func TestKnativeController_Initialize(t *testing.T) {
mocks := newKnativeServiceFixture("podinfo")
mocks.canary.Status.Phase = v1beta1.CanaryPhasePromoting
ok, err := mocks.controller.Initialize(mocks.canary)
require.NoError(t, err)
assert.Equal(t, true, ok)
service, err := mocks.knativeClient.ServingV1().Services("default").Get(context.TODO(), "podinfo", metav1.GetOptions{})
require.NoError(t, err)
assert.Len(t, service.Annotations, 0)
assert.Len(t, service.Spec.Traffic, 0)
mocks.canary.Status.Phase = v1beta1.CanaryPhaseInitializing
ok, err = mocks.controller.Initialize(mocks.canary)
require.NoError(t, err)
assert.Equal(t, true, ok)
service, err = mocks.knativeClient.ServingV1().Services("default").Get(context.TODO(), "podinfo", metav1.GetOptions{})
require.NoError(t, err)
assert.Equal(t, "podinfo-00001", service.Annotations["flagger.app/primary-revision"])
assert.Len(t, service.Spec.Traffic, 2)
assert.Equal(t, *service.Spec.Traffic[0].Percent, int64(0))
assert.True(t, *service.Spec.Traffic[0].LatestRevision)
assert.Equal(t, *service.Spec.Traffic[1].Percent, int64(100))
assert.Equal(t, service.Spec.Traffic[1].RevisionName, "podinfo-00001")
}
func TestKnativeController_HasTargetChanged(t *testing.T) {
mocks := newKnativeServiceFixture("podinfo")
_, err := mocks.controller.Initialize(mocks.canary)
require.NoError(t, err)
service, err := mocks.knativeClient.ServingV1().Services("default").Get(context.TODO(), "podinfo", metav1.GetOptions{})
require.NoError(t, err)
mocks.canary.Status.LastAppliedSpec = ComputeHash(service.Status.LatestCreatedRevisionName)
service.Status.LatestCreatedRevisionName = "latest-revision"
_, err = mocks.knativeClient.ServingV1().Services("default").UpdateStatus(context.TODO(), service, metav1.UpdateOptions{})
require.NoError(t, err)
ok, err := mocks.controller.HasTargetChanged(mocks.canary)
require.NoError(t, err)
assert.True(t, ok)
}