Add signcertreq test (#1027)

.golangci.yml

@@ -86,6 +86,7 @@ linters-settings:
           - "github.com/gorilla/websocket"
           - "github.com/golang/mock/gomock"
           - "github.com/prep/socketpair"
+          - "github.com/google/go-cmp/cmp"
           - "k8s.io/api/core/v1"
           - "k8s.io/apimachinery/pkg/api/errors"
           - "k8s.io/apimachinery/pkg/apis/meta/v1"

pkg/certificates/ca.go

@@ -22,27 +22,34 @@ import (
 	"github.com/ansible/receptor/pkg/utils"
 )
 
+// Oser is the function calls interfaces for mocking os.
 type Oser interface {
 	ReadFile(name string) ([]byte, error)
 	WriteFile(name string, data []byte, perm fs.FileMode) error
 }
 
+// OsWrapper is the Wrapper structure for Oser.
 type OsWrapper struct{}
 
+// ReadFile for Oser defaults to os library call.
 func (ow *OsWrapper) ReadFile(name string) ([]byte, error) {
 	return os.ReadFile(name)
 }
 
+// WriteFile for Oser defaults to os library call.
 func (ow *OsWrapper) WriteFile(name string, data []byte, perm fs.FileMode) error {
 	return os.WriteFile(name, data, perm)
 }
 
+// Rsaer is the function calls interface for mocking rsa.
 type Rsaer interface {
 	GenerateKey(random io.Reader, bits int) (*rsa.PrivateKey, error)
 }
 
+// RsaWrapper is the Wrapper structure for Rsaer.
 type RsaWrapper struct{}
 
+// GenerateKey for RsaWrapper defaults to rsa library call.
 func (rw *RsaWrapper) GenerateKey(random io.Reader, bits int) (*rsa.PrivateKey, error) {
 	return rsa.GenerateKey(random, bits)
 }