From 239d7e5366dc33b9401b33119d5b6fb6b1e30510 Mon Sep 17 00:00:00 2001
From: Jakob Haahr Taankvist <jht@uber.com>
Date: Wed, 6 Nov 2024 10:11:14 +0100
Subject: [PATCH] Wrote tests for the rsa.go file

---
 internal/common/util/rsa_test.go | 80 ++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 internal/common/util/rsa_test.go

diff --git a/internal/common/util/rsa_test.go b/internal/common/util/rsa_test.go
new file mode 100644
index 000000000..7cb14e67e
--- /dev/null
+++ b/internal/common/util/rsa_test.go
@@ -0,0 +1,80 @@
+// Copyright (c) 2017-2021 Uber Technologies Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package util
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func loadTestKeyFile(t *testing.T, path string) []byte {
+	t.Helper()
+	key, err := os.ReadFile(path)
+	require.NoError(t, err)
+	return key
+}
+
+func TestLoadRSAPublicKey(t *testing.T) {
+	publicKeyPEM := loadTestKeyFile(t, "./../auth/credentials/keytest.pub")
+
+	t.Run("valid public key", func(t *testing.T) {
+		key, err := LoadRSAPublicKey(publicKeyPEM)
+		assert.NoError(t, err)
+		assert.NotNil(t, key)
+		assert.Equal(t, 2048, key.Size()*8)
+	})
+
+	t.Run("invalid public key", func(t *testing.T) {
+		_, err := LoadRSAPublicKey([]byte("invalid PEM data"))
+		assert.ErrorContains(t, err, "failed to parse PEM block containing the public key")
+	})
+
+	t.Run("incorrect PEM type for public key", func(t *testing.T) {
+		privateKeyPEM := loadTestKeyFile(t, "./../auth/credentials/keytest")
+		_, err := LoadRSAPublicKey(privateKeyPEM)
+		assert.ErrorContains(t, err, "failed to parse PEM block containing the public key")
+	})
+}
+
+func TestLoadRSAPrivateKey(t *testing.T) {
+	privateKeyPEM := loadTestKeyFile(t, "./../auth/credentials/keytest")
+
+	t.Run("valid private key", func(t *testing.T) {
+		key, err := LoadRSAPrivateKey(privateKeyPEM)
+		assert.NoError(t, err)
+		assert.NotNil(t, key)
+		assert.Equal(t, 2048, key.Size()*8)
+	})
+
+	t.Run("invalid private key", func(t *testing.T) {
+		_, err := LoadRSAPrivateKey([]byte("invalid PEM data"))
+		assert.ErrorContains(t, err, "failed to parse PEM block containing the private key")
+	})
+
+	t.Run("incorrect PEM type for private key", func(t *testing.T) {
+		publicKeyPEM := loadTestKeyFile(t, "./../auth/credentials/keytest.pub")
+		_, err := LoadRSAPrivateKey(publicKeyPEM)
+		assert.ErrorContains(t, err, "failed to parse PEM block containing the private key")
+	})
+}