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package aws
import (
"strings"
"testing"
"github.com/aws/aws-sdk-go/service/kms"
b64 "github.com/hairyhenderson/gomplate/v4/base64"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// MockKMS is a mock KMSAPI implementation
type MockKMS struct{}
// Mocks Encrypt operation returns an upper case version of plaintext
func (m *MockKMS) Encrypt(input *kms.EncryptInput) (*kms.EncryptOutput, error) {
return &kms.EncryptOutput{
CiphertextBlob: []byte(strings.ToUpper(string(input.Plaintext))),
}, nil
}
// Mocks Decrypt operation
func (m *MockKMS) Decrypt(input *kms.DecryptInput) (*kms.DecryptOutput, error) {
s := []byte(strings.ToLower(string(input.CiphertextBlob)))
return &kms.DecryptOutput{
Plaintext: s,
}, nil
}
func TestEncrypt(t *testing.T) {
// create a mock KMS client
c := &MockKMS{}
kmsClient := &KMS{Client: c}
// Success
resp, err := kmsClient.Encrypt("dummykey", "plaintextvalue")
require.NoError(t, err)
expectedResp, _ := b64.Encode([]byte("PLAINTEXTVALUE"))
assert.EqualValues(t, expectedResp, resp)
}
func TestDecrypt(t *testing.T) {
// create a mock KMS client
c := &MockKMS{}
kmsClient := &KMS{Client: c}
encodedCiphertextBlob, _ := b64.Encode([]byte("CIPHERVALUE"))
// Success
resp, err := kmsClient.Decrypt(encodedCiphertextBlob)
require.NoError(t, err)
assert.EqualValues(t, "ciphervalue", resp)
}
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