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validator_test.go
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validator_test.go
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/*
Copyright 2022 The Kubeflow 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 validator
import (
"errors"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
experimentutil "github.com/kubeflow/katib/pkg/controller.v1beta1/experiment/util"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/validation/field"
"go.uber.org/mock/gomock"
batchv1 "k8s.io/api/batch/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
configv1beta1 "github.com/kubeflow/katib/pkg/apis/config/v1beta1"
commonv1beta1 "github.com/kubeflow/katib/pkg/apis/controller/common/v1beta1"
experimentsv1beta1 "github.com/kubeflow/katib/pkg/apis/controller/experiments/v1beta1"
"github.com/kubeflow/katib/pkg/controller.v1beta1/util"
manifestmock "github.com/kubeflow/katib/pkg/mock/v1beta1/experiment/manifest"
)
func init() {
logf.SetLogger(zap.New())
}
func TestValidateExperiment(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
p := manifestmock.NewMockGenerator(mockCtrl)
g := New(p)
suggestionConfigData := configv1beta1.SuggestionConfig{}
suggestionConfigData.Image = "algorithmImage"
metricsCollectorConfigData := configv1beta1.MetricsCollectorConfig{}
metricsCollectorConfigData.Image = "metricsCollectorImage"
earlyStoppingConfigData := configv1beta1.EarlyStoppingConfig{}
p.EXPECT().GetSuggestionConfigData(gomock.Any()).Return(suggestionConfigData, nil).AnyTimes()
p.EXPECT().GetMetricsCollectorConfigData(gomock.Any()).Return(metricsCollectorConfigData, nil).AnyTimes()
p.EXPECT().GetEarlyStoppingConfigData(gomock.Any()).Return(earlyStoppingConfigData, nil).AnyTimes()
batchJobStr := convertBatchJobToString(newFakeBatchJob())
p.EXPECT().GetTrialTemplate(gomock.Any()).Return(batchJobStr, nil).AnyTimes()
fakeNegativeInt := int32(-1)
tcs := []struct {
instance *experimentsv1beta1.Experiment
wantErr field.ErrorList
oldInstance *experimentsv1beta1.Experiment
testDescription string
}{
// Name
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Name = "1234-test"
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("metadata").Child("name"), "", ""),
},
testDescription: "Name is invalid",
},
// Objective
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Objective = nil
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("objective"), ""),
},
testDescription: "Objective is nil",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Objective.Type = commonv1beta1.ObjectiveTypeUnknown
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("objective").Child("type"), "", ""),
},
testDescription: "Objective type is unknown",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Objective.ObjectiveMetricName = ""
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("objective").Child("objectiveMetricName"), ""),
},
testDescription: "Objective metric name is empty",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Objective.ObjectiveMetricName = "objective"
i.Spec.Objective.AdditionalMetricNames = []string{"objective", "objective-1"}
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("objective").Child("additionalMetricNames"), "", ""),
},
testDescription: "additionalMetricNames should not contain objective metric name",
},
// Algorithm
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Algorithm = nil
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("algorithm"), ""),
},
testDescription: "Algorithm is nil",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Algorithm.AlgorithmName = ""
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("algorithm").Child("algorithmName"), ""),
},
testDescription: "Algorithm name is empty",
},
// EarlyStopping
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.EarlyStopping = nil
return i
}(),
testDescription: "EarlyStopping is nil",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.EarlyStopping.AlgorithmName = ""
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("earlyStopping").Child("algorithmName"), ""),
},
testDescription: "EarlyStopping AlgorithmName is empty",
},
// Valid Experiment
{
instance: newFakeInstance(),
testDescription: "Run validator for correct experiment",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.MaxFailedTrialCount = &fakeNegativeInt
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("maxFailedTrialCount"), "", ""),
},
testDescription: "Max failed trial count is negative",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.MaxTrialCount = &fakeNegativeInt
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("maxTrialCount"), "", ""),
},
testDescription: "Max trial count is negative",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.ParallelTrialCount = &fakeNegativeInt
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("parallelTrialCount"), "", ""),
},
testDescription: "Parallel trial count is negative",
},
// Validate Resume Experiment
{
instance: newFakeInstance(),
oldInstance: newFakeInstance(),
testDescription: "Run validator to correct resume experiment",
},
{
instance: newFakeInstance(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("resumePolicy"), "", ""),
field.Forbidden(field.NewPath("spec"), ""),
},
oldInstance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.MarkExperimentStatusSucceeded(experimentutil.ExperimentMaxTrialsReachedReason, "Experiment is succeeded")
i.Spec.ResumePolicy = experimentsv1beta1.NeverResume
return i
}(),
testDescription: "Resume succeeded experiment with ResumePolicy = NeverResume",
},
{
instance: newFakeInstance(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("maxTrialCount"), "", ""),
},
oldInstance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Status = experimentsv1beta1.ExperimentStatus{
Trials: *i.Spec.MaxTrialCount,
}
var failed int32 = 2
i.Spec.MaxFailedTrialCount = &failed
return i
}(),
testDescription: "Resume experiment with MaxTrialCount <= Status.Trials",
},
{
instance: newFakeInstance(),
wantErr: field.ErrorList{
field.Forbidden(field.NewPath("spec"), ""),
},
oldInstance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Algorithm.AlgorithmName = "not-test"
return i
}(),
testDescription: "Change algorithm name when resuming experiment",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.ResumePolicy = "invalid-policy"
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("resumePolicy"), "", ""),
},
testDescription: "Invalid resume policy",
},
// Validate NAS Config
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Parameters = []experimentsv1beta1.ParameterSpec{}
i.Spec.NasConfig = nil
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec"), ""),
},
testDescription: "Parameters and NAS config is nil",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.NasConfig = &experimentsv1beta1.NasConfig{
Operations: []experimentsv1beta1.Operation{
{
OperationType: "op1",
},
},
}
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec"), "", ""),
},
testDescription: "Parameters and NAS config is not nil",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate = nil
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("trialTemplate"), ""),
},
testDescription: "Trial template is nil",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Parameters[1].FeasibleSpace.Max = "5"
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("parameters").Index(1).Child("feasibleSpace"), "", ""),
},
testDescription: "Invalid feasible space in parameters",
},
{
instance: func() *experimentsv1beta1.Experiment {
maxTrialCount := int32(5)
invalidMaxFailedTrialCount := int32(6)
i := newFakeInstance()
i.Spec.MaxTrialCount = &maxTrialCount
i.Spec.MaxFailedTrialCount = &invalidMaxFailedTrialCount
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("maxFailedTrialCount"), "", ""),
},
testDescription: "maxFailedTrialCount greater than maxTrialCount",
},
{
instance: func() *experimentsv1beta1.Experiment {
maxTrialCount := int32(5)
validMaxFailedTrialCount := int32(5)
i := newFakeInstance()
i.Spec.MaxTrialCount = &maxTrialCount
i.Spec.MaxFailedTrialCount = &validMaxFailedTrialCount
return i
}(),
testDescription: "maxFailedTrialCount equal to maxTrialCount",
},
{
instance: func() *experimentsv1beta1.Experiment {
maxTrialCount := int32(5)
invalidParallelTrialCount := int32(6)
i := newFakeInstance()
i.Spec.MaxTrialCount = &maxTrialCount
i.Spec.ParallelTrialCount = &invalidParallelTrialCount
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("parallelTrialCount"), "", ""),
},
testDescription: "parallelTrialCount greater than maxTrialCount",
},
{
instance: func() *experimentsv1beta1.Experiment {
maxTrialCount := int32(5)
validParallelTrialCount := int32(5)
i := newFakeInstance()
i.Spec.MaxTrialCount = &maxTrialCount
i.Spec.ParallelTrialCount = &validParallelTrialCount
return i
}(),
testDescription: "parallelTrialCount equal to maxTrialCount",
},
}
for _, tc := range tcs {
gotError := g.ValidateExperiment(tc.instance, tc.oldInstance)
if diff := cmp.Diff(tc.wantErr, gotError, cmpopts.IgnoreFields(field.Error{}, "Detail", "BadValue")); len(diff) != 0 {
t.Errorf("Unexpected errors (-want,+got):\n%s", diff)
}
}
}
func TestValidateParameters(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
p := manifestmock.NewMockGenerator(mockCtrl)
g := New(p)
tcs := []struct {
parameters []experimentsv1beta1.ParameterSpec
wantErr field.ErrorList
testDescription string
}{
{
parameters: func() []experimentsv1beta1.ParameterSpec {
ps := newFakeInstance().Spec.Parameters
ps[0].ParameterType = "invalid-type"
return ps
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("parameters").Index(0).Child("parameterType"), "", ""),
},
testDescription: "Invalid parameter type",
},
{
parameters: func() []experimentsv1beta1.ParameterSpec {
ps := newFakeInstance().Spec.Parameters
ps[0].FeasibleSpace = experimentsv1beta1.FeasibleSpace{}
return ps
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("parameters").Index(0).Child("feasibleSpace"), ""),
},
testDescription: "Feasible space is nil",
},
{
parameters: func() []experimentsv1beta1.ParameterSpec {
ps := newFakeInstance().Spec.Parameters
ps[0].FeasibleSpace.List = []string{"invalid-list"}
return ps
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("parameters").Index(0).Child("feasibleSpace").Child("list"), "", ""),
},
testDescription: "Not empty list for int parameter type",
},
{
parameters: func() []experimentsv1beta1.ParameterSpec {
ps := newFakeInstance().Spec.Parameters
ps[0].FeasibleSpace = experimentsv1beta1.FeasibleSpace{
Max: "",
Min: "",
Step: "1",
}
return ps
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("parameters").Index(0).Child("feasibleSpace").Child("max"), ""),
},
testDescription: "Empty max and min for int parameter type",
},
{
parameters: func() []experimentsv1beta1.ParameterSpec {
ps := newFakeInstance().Spec.Parameters
ps[1].FeasibleSpace.Max = "1"
return ps
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("parameters").Index(1).Child("feasibleSpace"), "", ""),
},
testDescription: "Not empty max for categorical parameter type",
},
{
parameters: func() []experimentsv1beta1.ParameterSpec {
ps := newFakeInstance().Spec.Parameters
ps[0].FeasibleSpace.Distribution = "invalid-distribution"
return ps
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("parameters").Index(0).Child("feasibleSpace").Child("distribution"), "", ""),
},
testDescription: "Invalid distribution type",
},
{
parameters: newFakeInstance().Spec.Parameters,
wantErr: nil,
testDescription: "Valid parameters case",
},
}
for _, tc := range tcs {
gotError := g.(*DefaultValidator).validateParameters(tc.parameters)
if diff := cmp.Diff(tc.wantErr, gotError, cmpopts.IgnoreFields(field.Error{}, "Detail", "BadValue")); len(diff) != 0 {
t.Errorf("Unexpected errors (-want,+got):\n%s", diff)
}
}
}
func TestValidateTrialTemplate(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
p := manifestmock.NewMockGenerator(mockCtrl)
g := New(p)
validJobStr := convertBatchJobToString(newFakeBatchJob())
missedParameterJob := newFakeBatchJob()
missedParameterJob.Spec.Template.Spec.Containers[0].Command[2] = "--lr=${trialParameters.invalidParameter}"
missedParameterJobStr := convertBatchJobToString(missedParameterJob)
oddParameterJob := newFakeBatchJob()
oddParameterJob.Spec.Template.Spec.Containers[0].Command = append(
oddParameterJob.Spec.Template.Spec.Containers[0].Command,
"--extra-parameter=${trialParameters.extraParameter}")
oddParameterJobStr := convertBatchJobToString(oddParameterJob)
invalidParameterJobStr := `apiVersion: batch/v1
kind: Job
spec:
template:
spec:
containers:
- name: fake-trial
image: test-image
command:
- --invalidParameter={'num_layers': 2, 'input_sizes': [32, 32, 3]}
- --lr=${trialParameters.learningRate}"
- --num-layers=${trialParameters.numberLayers}`
notEmptyMetadataJob := newFakeBatchJob()
notEmptyMetadataJob.ObjectMeta = metav1.ObjectMeta{
Name: "trial-name",
Namespace: "trial-namespace",
}
notEmptyMetadataStr := convertBatchJobToString(notEmptyMetadataJob)
emptyAPIVersionJob := newFakeBatchJob()
emptyAPIVersionJob.TypeMeta.APIVersion = ""
emptyAPIVersionStr := convertBatchJobToString(emptyAPIVersionJob)
customJobType := newFakeBatchJob()
customJobType.TypeMeta.Kind = "CustomKind"
customJobTypeStr := convertBatchJobToString(customJobType)
emptyConfigMap := p.EXPECT().GetTrialTemplate(gomock.Any()).Return("", errors.New(string(metav1.StatusReasonNotFound)))
validTemplate1 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate2 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate3 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate4 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate5 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate6 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate7 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate8 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate9 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate10 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
validTemplate11 := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(validJobStr, nil)
missedParameterTemplate := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(missedParameterJobStr, nil)
oddParameterTemplate := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(oddParameterJobStr, nil)
invalidParameterTemplate := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(invalidParameterJobStr, nil)
notEmptyMetadataTemplate := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(notEmptyMetadataStr, nil)
emptyAPIVersionTemplate := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(emptyAPIVersionStr, nil)
customJobTypeTemplate := p.EXPECT().GetTrialTemplate(gomock.Any()).Return(customJobTypeStr, nil)
gomock.InOrder(
emptyConfigMap,
validTemplate1,
validTemplate2,
validTemplate3,
validTemplate4,
validTemplate5,
validTemplate6,
validTemplate7,
validTemplate8,
validTemplate9,
missedParameterTemplate,
oddParameterTemplate,
invalidParameterTemplate,
notEmptyMetadataTemplate,
emptyAPIVersionTemplate,
customJobTypeTemplate,
validTemplate10,
validTemplate11,
)
tcs := []struct {
instance *experimentsv1beta1.Experiment
wantErr field.ErrorList
testDescription string
}{
// TrialParameters is nil
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters = nil
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("trialTemplate").Child("trialParameters"), ""),
},
testDescription: "Trial parameters is nil",
},
// TrialSpec and ConfigMap is nil
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialSpec = nil
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("trialTemplate").Child("TrialSource"), ""),
},
testDescription: "Trial spec nil",
},
// TrialSpec and ConfigMap is not nil
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialSource.ConfigMap = &experimentsv1beta1.ConfigMapSource{
ConfigMapName: "config-map-name",
ConfigMapNamespace: "config-map-namespace",
TemplatePath: "config-map-template-path",
}
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("trialTemplate"), ""),
},
testDescription: "Trial spec and ConfigMap is not nil",
},
// ConfigMap missed template path
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialSource = experimentsv1beta1.TrialSource{
ConfigMap: &experimentsv1beta1.ConfigMapSource{
ConfigMapName: "config-map-name",
ConfigMapNamespace: "config-map-namespace",
},
}
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("trialTemplate").Child("configMap"), ""),
},
testDescription: "Missed template path in ConfigMap",
},
// Wrong path in configMap
// emptyConfigMap case
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialSpec = nil
i.Spec.TrialTemplate.TrialSource = experimentsv1beta1.TrialSource{
ConfigMap: &experimentsv1beta1.ConfigMapSource{
ConfigMapName: "config-map-name",
ConfigMapNamespace: "config-map-namespace",
TemplatePath: "wrong-path",
},
}
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate"), "", ""),
},
testDescription: "Wrong template path in ConfigMap",
},
// Empty Reference or Name in trialParameters
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters[0].Reference = ""
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate").Child("trialParameters").Index(0), "", ""),
field.Invalid(field.NewPath("spec").Child("trialTemplate"), "", ""),
},
testDescription: "Empty reference or name in Trial parameters",
},
// Wrong Name in trialParameters
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters[0].Name = "{invalid-name}"
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate").Child("trialParameters").Index(0), "", ""),
field.Invalid(field.NewPath("spec").Child("trialTemplate"), "", ""),
},
testDescription: "Wrong name in Trial parameters",
},
// Duplicate Name in trialParameters
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters[1].Name = i.Spec.TrialTemplate.TrialParameters[0].Name
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate").Child("trialParameters").Index(1).Child("name"), "", ""),
field.Invalid(field.NewPath("spec").Child("trialTemplate"), "", ""),
},
testDescription: "Duplicate name in Trial parameters",
},
// Duplicate Reference in trialParameters
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters[1].Reference = i.Spec.TrialTemplate.TrialParameters[0].Reference
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate").Child("trialParameters").Index(1).Child("reference"), "", ""),
field.Invalid(field.NewPath("spec").Child("trialTemplate"), "", ""),
},
testDescription: "Duplicate reference in Trial parameters",
},
// Trial template contains Trial parameters which weren't referenced from spec.parameters
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters[1].Reference = "wrong-ref"
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate").Child("trialParameters").Index(1).Child("reference"), "", ""),
},
testDescription: "Trial template contains Trial parameters which weren't referenced from spec.parameters",
},
// Trial template contains Trial parameters when spec.parameters is empty
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.Parameters = nil
i.Spec.TrialTemplate.TrialParameters[1].Reference = "wrong-ref"
return i
}(),
testDescription: "Trial template contains Trial parameters when spec.parameters is empty",
},
// Trial template contains Trial metadata parameter substitution
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters[1].Reference = "${trialSpec.Name}"
return i
}(),
testDescription: "Trial template contains Trial metadata reference as parameter",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters[1].Reference = "${trialSpec.Annotations[test-annotation]}"
return i
}(),
testDescription: "Trial template contains Trial annotation reference as parameter",
},
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialParameters[1].Reference = "${trialSpec.Labels[test-label]}"
return i
}(),
testDescription: "Trial template contains Trial's label reference as parameter",
},
// Trial Template doesn't contain parameter from trialParameters
// missedParameterTemplate case
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate"), "", ""),
},
testDescription: "Trial template doesn't contain parameter from Trial parameters",
},
// Trial Template contains extra parameter
// oddParameterTemplate case
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate"), "", ""),
},
testDescription: "Trial template contains extra parameter",
},
// Trial Template parameter is invalid after substitution
// Unable convert string to unstructured
// invalidParameterTemplate case
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate").Child("trialParameters").Index(1).Child("name"), "", ""),
},
testDescription: "Trial template is unable to convert to unstructured after substitution",
},
// Trial Template contains Name and Namespace
// notEmptyMetadataTemplate case
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.TrialSpec.SetName("trial-name")
i.Spec.TrialTemplate.TrialSpec.SetNamespace("trial-namespace")
return i
}(),
wantErr: field.ErrorList{
field.Invalid(field.NewPath("spec").Child("trialTemplate"), "", ""),
},
testDescription: "Trial template contains metadata.name or metadata.namespace",
},
// Trial Template doesn't contain APIVersion or Kind
// emptyAPIVersionTemplate case
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("trialTemplate"), ""),
},
testDescription: "Trial template doesn't contain APIVersion or Kind",
},
// Trial Template has custom Kind
// customJobTypeTemplate case
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
return i
}(),
testDescription: "Trial template has custom Kind",
},
// Trial Template doesn't have PrimaryContainerName
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.PrimaryContainerName = ""
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("trialTemplate").Child("primaryContainerName"), ""),
},
testDescription: "Trial template doesn't have PrimaryContainerName",
},
// Trial Template doesn't have SuccessCondition
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.TrialTemplate.SuccessCondition = ""
return i
}(),
wantErr: field.ErrorList{
field.Required(field.NewPath("spec").Child("trialTemplate"), ""),
},
testDescription: "Trial template doesn't have SuccessCondition",
},
}
for _, tc := range tcs {
gotError := g.(*DefaultValidator).validateTrialTemplate(tc.instance)
if diff := cmp.Diff(tc.wantErr, gotError, cmpopts.IgnoreFields(field.Error{}, "Detail", "BadValue")); len(diff) != 0 {
t.Errorf("Unexpected errors (-want,+got):\n%s", diff)
}
}
}
func TestValidateTrialJob(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
p := manifestmock.NewMockGenerator(mockCtrl)
g := New(p)
invalidFieldBatchJob := `apiVersion: batch/v1
kind: Job
spec:
template:
spec:
containers:
name: container-must-be-list`
invalidFieldBatchJobUnstr, err := util.ConvertStringToUnstructured(invalidFieldBatchJob)
if err != nil {
t.Errorf("ConvertStringToUnstructured failed: %v", err)
}
invalidStructureBatchJob := `apiVersion: batch/v1
kind: Job
spec:
template:
invalidSpec: not-job-format
spec:
containers:
- name: invalid-list`
invalidStructureBatchJobUnstr, err := util.ConvertStringToUnstructured(invalidStructureBatchJob)
if err != nil {
t.Errorf("ConvertStringToUnstructured failed: %v", err)
}
notDefaultResourceBatchJob := `apiVersion: batch/v1
kind: Job
spec:
template:
spec:
containers:
- resources:
limits:
nvidia.com/gpu: 1
requests:
nvidia.com/gpu: 1`
notDefaultResourceBatchUnstr, err := util.ConvertStringToUnstructured(notDefaultResourceBatchJob)
if err != nil {
t.Errorf("ConvertStringToUnstructured failed: %v", err)
}
notKubernetesBatchJob := `apiVersion: test/v1
kind: Job
spec:
template:
spec:
containers:
- name: container`
notKubernetesBatchJobUnstr, err := util.ConvertStringToUnstructured(notKubernetesBatchJob)
if err != nil {
t.Errorf("ConvertStringToUnstructured failed: %v", err)
}
tcs := []struct {
runSpec *unstructured.Unstructured
err bool
testDescription string
}{
// Invalid Field Batch Job
{
runSpec: invalidFieldBatchJobUnstr,
err: true,
testDescription: "Trial template has invalid Batch Job parameter",
},
// Invalid Structure Batch Job
// Try to patch new runSpec with old Trial template
// Patch must have only "remove" operations
// Then all parameters from trial Template were correctly merged
{
runSpec: invalidStructureBatchJobUnstr,
err: true,
testDescription: "Trial template has invalid Batch Job structure",
},
// Valid case with not default Kubernetes resource (nvidia.com/gpu: 1)
{
runSpec: notDefaultResourceBatchUnstr,
err: false,
testDescription: "Valid case with nvidia.com/gpu resource in Trial template",
},
// Not kubernetes batch job
{
runSpec: notKubernetesBatchJobUnstr,
err: false,
testDescription: "Only validate Kuernetes Job",
},
}
for _, tc := range tcs {
err := g.(*DefaultValidator).validateTrialJob(tc.runSpec)
if !tc.err && err != nil {
t.Errorf("Case: %v failed. Expected nil, got %v", tc.testDescription, err)
} else if tc.err && err == nil {
t.Errorf("Case: %v failed. Expected err, got nil", tc.testDescription)
}
}
}
func TestValidateMetricsCollector(t *testing.T) {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
p := manifestmock.NewMockGenerator(mockCtrl)
g := New(p)
metricsCollectorConfigData := configv1beta1.MetricsCollectorConfig{}
metricsCollectorConfigData.Image = "metricsCollectorImage"
p.EXPECT().GetMetricsCollectorConfigData(gomock.Any()).Return(metricsCollectorConfigData, nil).AnyTimes()
tcs := []struct {
instance *experimentsv1beta1.Experiment
wantErr field.ErrorList
testDescription string
}{
// Invalid Metrics Collector Kind
{
instance: func() *experimentsv1beta1.Experiment {
i := newFakeInstance()
i.Spec.MetricsCollectorSpec = &commonv1beta1.MetricsCollectorSpec{
Collector: &commonv1beta1.CollectorSpec{
Kind: commonv1beta1.CollectorKind("invalid-kind"),
},
}
return i
}(),
wantErr: field.ErrorList{