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Merge pull request #7079 from thockin/fuzz_volumes

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Easier fuzzing for volumes
This commit is contained in:
Daniel Smith 2015-04-20 18:09:05 -07:00
commit bf45a62382
1 changed files with 7 additions and 10 deletions
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17
pkg/api/testing/fuzzer.go
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@ -18,6 +18,7 @@ package testing
import ( import (
"math/rand" "math/rand"
"reflect"
"strconv" "strconv"
"testing" "testing"
@ -34,13 +35,6 @@ import (
"speter.net/go/exp/math/dec/inf" "speter.net/go/exp/math/dec/inf"
) )
func fuzzOneOf(c fuzz.Continue, objs ...interface{}) {
// Use a new fuzzer which cannot populate nil to ensure one obj will be set.
f := fuzz.New().NilChance(0).NumElements(1, 1)
i := c.RandUint64() % uint64(len(objs))
f.Fuzz(objs[i])
}
// FuzzerFor can randomly populate api objects that are destined for version. // FuzzerFor can randomly populate api objects that are destined for version.
func FuzzerFor(t *testing.T, version string, src rand.Source) *fuzz.Fuzzer { func FuzzerFor(t *testing.T, version string, src rand.Source) *fuzz.Fuzzer {
f := fuzz.New().NilChance(.5).NumElements(1, 1) f := fuzz.New().NilChance(.5).NumElements(1, 1)
@ -171,9 +165,12 @@ func FuzzerFor(t *testing.T, version string, src rand.Source) *fuzz.Fuzzer {
*rp = policies[c.Rand.Intn(len(policies))] *rp = policies[c.Rand.Intn(len(policies))]
}, },
func(vs *api.VolumeSource, c fuzz.Continue) { func(vs *api.VolumeSource, c fuzz.Continue) {
// Exactly one of the fields should be set. // Exactly one of the fields must be set.
//FIXME: the fuzz can still end up nil. What if fuzz allowed me to say that? v := reflect.ValueOf(vs).Elem()
fuzzOneOf(c, &vs.HostPath, &vs.EmptyDir, &vs.GCEPersistentDisk, &vs.AWSElasticBlockStore, &vs.GitRepo, &vs.Secret, &vs.NFS, &vs.ISCSI, &vs.Glusterfs) i := int(c.RandUint64() % uint64(v.NumField()))
v = v.Field(i).Addr()
// Use a new fuzzer which cannot populate nil to ensure one field will be set.
fuzz.New().NilChance(0).NumElements(1, 1).Fuzz(v.Interface())
}, },
func(d *api.DNSPolicy, c fuzz.Continue) { func(d *api.DNSPolicy, c fuzz.Continue) {
policies := []api.DNSPolicy{api.DNSClusterFirst, api.DNSDefault} policies := []api.DNSPolicy{api.DNSClusterFirst, api.DNSDefault}