cert-manager/internal/controller/certificates/apply_test.go
joshvanl c1c2d2d081 Add roundtrip test to Certificate serializing. Add field manager to
certificates-shim Create API call

Signed-off-by: joshvanl <vleeuwenjoshua@gmail.com>
2022-03-28 12:40:29 +01:00

127 lines
3.6 KiB
Go

/*
Copyright 2022 The cert-manager Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package certificates
import (
"encoding/json"
"strconv"
"sync"
"testing"
fuzz "github.com/google/gofuzz"
"github.com/stretchr/testify/assert"
cmapi "github.com/cert-manager/cert-manager/pkg/apis/certmanager/v1"
)
func Test_serializeApply(t *testing.T) {
const (
expReg = `^{"kind":"Certificate","apiVersion":"cert-manager.io/v1","metadata":{.*},"spec":{.*},"status":{}}$`
numJobs = 10000
)
var wg sync.WaitGroup
jobs := make(chan int)
wg.Add(numJobs)
for i := 0; i < 3; i++ {
go func() {
for j := range jobs {
t.Run("fuzz_"+strconv.Itoa(j), func(t *testing.T) {
var crt cmapi.Certificate
fuzz.New().NilChance(0.5).Fuzz(&crt)
crt.ManagedFields = nil
crtData, err := serializeApply(&crt)
assert.NoError(t, err)
assert.Regexp(t, expReg, string(crtData))
// Test round trip serializing Certificate preserved the spec.
var rtCrt cmapi.Certificate
assert.NoError(t, json.Unmarshal(crtData, &rtCrt))
assert.Equal(t, rtCrt.Spec, crt.Spec)
wg.Done()
})
}
}()
}
for i := 0; i < numJobs; i++ {
jobs <- i
}
close(jobs)
wg.Wait()
}
// This test ensures that when a Certificate object is serialized in
// preparation for a Certificate status Apply call. Only the required
// metadata/type fields are present, and only empty spec fields are set. We
// also ensure that all Certificate status fields are tagged omitempty, and are
// not serialized if unset.
func Test_serializeApplyStatus(t *testing.T) {
// Expected serialized Certificate Apply object. Should only contain base
// meta/type object, empty spec. Status should be matched both via regex, and
// when empty.
const (
expReg = `^{"kind":"Certificate","apiVersion":"cert-manager.io/v1","metadata":{"name":"foo","namespace":"bar","creationTimestamp":null},"spec":{"secretName":"","issuerRef":{"name":""}},"status":{.*}$`
expEmpty = `{"kind":"Certificate","apiVersion":"cert-manager.io/v1","metadata":{"name":"foo","namespace":"bar","creationTimestamp":null},"spec":{"secretName":"","issuerRef":{"name":""}},"status":{}}`
numJobs = 10000
)
var wg sync.WaitGroup
jobs := make(chan int)
wg.Add(numJobs)
for i := 0; i < 3; i++ {
go func() {
for j := range jobs {
t.Run("fuzz_"+strconv.Itoa(j), func(t *testing.T) {
var crt cmapi.Certificate
fuzz.New().NilChance(0.5).Fuzz(&crt)
crt.Name = "foo"
crt.Namespace = "bar"
// Test regex with non-empty status.
crtData, err := serializeApplyStatus(&crt)
assert.NoError(t, err)
assert.Regexp(t, expReg, string(crtData))
// String match on empty status.
crt.Status = cmapi.CertificateStatus{}
crtData, err = serializeApplyStatus(&crt)
assert.NoError(t, err)
assert.Equal(t, expEmpty, string(crtData))
// Test round trip serializing Certificate preserved the status.
var rtCrt cmapi.Certificate
assert.NoError(t, json.Unmarshal(crtData, &rtCrt))
assert.Equal(t, rtCrt.Status, crt.Status)
wg.Done()
})
}
}()
}
for i := 0; i < numJobs; i++ {
jobs <- i
}
close(jobs)
wg.Wait()
}