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// Copyright 2023 The Sigstore 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 policy
import (
"context"
"errors"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/sigstore/policy-controller/pkg/apis/policy/v1alpha1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"knative.dev/pkg/apis"
)
func TestParse(t *testing.T) {
tests := []struct {
name string
doc string
want []*unstructured.Unstructured
wantErr error
}{{
name: "good single object",
doc: `
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: blah
spec: {}
`,
want: []*unstructured.Unstructured{{
Object: map[string]interface{}{
"apiVersion": "policy.sigstore.dev/v1beta1",
"kind": "ClusterImagePolicy",
"metadata": map[string]interface{}{
"name": "blah",
},
"spec": map[string]interface{}{},
},
}},
}, {
name: "good multi-object",
doc: `
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: blah
spec: {}
---
---
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: foo
spec: {}
---
---
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: bar
spec: {}
`,
want: []*unstructured.Unstructured{{
Object: map[string]interface{}{
"apiVersion": "policy.sigstore.dev/v1beta1",
"kind": "ClusterImagePolicy",
"metadata": map[string]interface{}{
"name": "blah",
},
"spec": map[string]interface{}{},
},
}, {
Object: map[string]interface{}{
"apiVersion": "policy.sigstore.dev/v1beta1",
"kind": "ClusterImagePolicy",
"metadata": map[string]interface{}{
"name": "foo",
},
"spec": map[string]interface{}{},
},
}, {
Object: map[string]interface{}{
"apiVersion": "policy.sigstore.dev/v1beta1",
"kind": "ClusterImagePolicy",
"metadata": map[string]interface{}{
"name": "bar",
},
"spec": map[string]interface{}{},
},
}},
}, {
name: "bad missing apiVersion",
doc: `
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: blah
spec: {}
---
# Missing: apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: foo
spec: {}
---
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: bar
spec: {}
`,
wantErr: apis.ErrMissingField("[1].apiVersion"),
}, {
name: "bad missing kind",
doc: `
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: blah
spec: {}
---
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: foo
spec: {}
---
apiVersion: policy.sigstore.dev/v1beta1
# Missing: kind: ClusterImagePolicy
metadata:
name: bar
spec: {}
`,
wantErr: errors.New(`decoding object[2]: error unmarshaling JSON: while decoding JSON: Object 'Kind' is missing in '{"apiVersion":"policy.sigstore.dev/v1beta1","metadata":{"name":"bar"},"spec":{}}'`),
}, {
name: "bad missing apiVersion",
doc: `
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
# Missing: name: blah
sp dec: {}
---
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: foo
spec: {}
---
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: bar
spec: {}
`,
wantErr: apis.ErrMissingField("[0].metadata.name"),
}}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
got, gotErr := Parse(context.Background(), test.doc)
switch {
case (gotErr != nil) != (test.wantErr != nil):
t.Fatalf("Parse() = %v, wanted %v", gotErr, test.wantErr)
case gotErr != nil && gotErr.Error() != test.wantErr.Error():
t.Fatalf("Parse() = %v, wanted %v", gotErr, test.wantErr)
case gotErr != nil:
return // This was an error test.
}
if diff := cmp.Diff(got, test.want); diff != "" {
t.Errorf("Parse (-got, +want) = %s", diff)
}
})
}
}
func TestParseCIP(t *testing.T) {
tests := []struct {
name string
doc string
want []*v1alpha1.ClusterImagePolicy
wantErr error
}{{
name: "good alpha object",
doc: `
apiVersion: policy.sigstore.dev/v1alpha1
kind: ClusterImagePolicy
metadata:
name: blah
spec:
images:
- glob: '**'
authorities:
- static:
action: pass
`,
want: []*v1alpha1.ClusterImagePolicy{{
TypeMeta: v1.TypeMeta{
APIVersion: "policy.sigstore.dev/v1alpha1",
Kind: "ClusterImagePolicy",
},
ObjectMeta: v1.ObjectMeta{
Name: "blah",
},
Spec: v1alpha1.ClusterImagePolicySpec{
Images: []v1alpha1.ImagePattern{{
Glob: "**",
}},
Authorities: []v1alpha1.Authority{{
Static: &v1alpha1.StaticRef{
Action: "pass",
},
}},
},
}},
}, {
name: "good beta object",
doc: `
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: blah
spec:
images:
- glob: '**'
authorities:
- static:
action: pass
`,
want: []*v1alpha1.ClusterImagePolicy{{
// TODO(mattmoor): We should be setting TypeMeta when converting.
// TypeMeta: v1.TypeMeta{
// APIVersion: "policy.sigstore.dev/v1alpha1",
// Kind: "ClusterImagePolicy",
// },
ObjectMeta: v1.ObjectMeta{
Name: "blah",
},
Spec: v1alpha1.ClusterImagePolicySpec{
Images: []v1alpha1.ImagePattern{{
Glob: "**",
}},
Authorities: []v1alpha1.Authority{{
Static: &v1alpha1.StaticRef{
Action: "pass",
},
}},
},
}},
}, {
name: "early validation failure",
doc: `
apiVersion: policy.sigstore.dev/v1beta1
kind: ClusterImagePolicy
metadata:
name: blah
spec:
bad: field
`,
wantErr: errors.New(`unable to unmarshal: json: unknown field "bad"`),
}, {
name: "non CIP resource",
doc: `
apiVersion: v1
kind: Secret
metadata:
name: blah
namespace: cosign-system
stringData:
key: value
`,
want: []*v1alpha1.ClusterImagePolicy{},
}}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
got, _, gotErr := ParseClusterImagePolicies(context.Background(), test.doc)
switch {
case (gotErr != nil) != (test.wantErr != nil):
t.Fatalf("Parse() = %v, wanted %v", gotErr, test.wantErr)
case gotErr != nil && gotErr.Error() != test.wantErr.Error():
t.Fatalf("Parse() = %v, wanted %v", gotErr, test.wantErr)
case gotErr != nil:
return // This was an error test.
}
if diff := cmp.Diff(got, test.want); diff != "" {
t.Errorf("Parse (-got, +want) = %s", diff)
}
})
}
}