feat: more tests

Signed-off-by: Carlos A Becker <caarlos0@gmail.com>
charmbracelet · Mar 8, 2022 · b88c42d · b88c42d
1 parent 95d8d81
commit b88c42d
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Showing 7 changed files with 100 additions and 6 deletions.
diff --git a/cmd/melt/id_rsa b/cmd/melt/id_rsa
@@ -0,0 +1,38 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn
+NhAAAAAwEAAQAAAYEAwMPF0FZGHqzTGPvwEfwYJLETB35G3WKyCZPad8F7BRJMmtwTaJVA
+J0H1Ie+WVq3zLS/XxPWRJM3Y+4G6e39+jeWRnubMyn5UN/1jDgFb288+ZynKTkNv/d77Fb
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+Hu1fRpS8GVAAT8rL0jqIRMbcaV526MFs/0gKeEmtQPCiyvBBbQ8iYrBqvK8ml/Hli/75iz
+7asQD76dIYHvbpdvpbd1DYxJK0NzR0U6lFC379fazwapcUYq2InJhAKLSqK8VR2TnJ9bvm
+PL/RrrIEng4GQd+iJ6Sxy/QTnV+bJJwse/NoTlh2dJJqu+ex5K73yqMM+uZLUcLZLbdv0Y
+P4PhvljF9gzG3i5QAAAA9jYXJsb3NAZGFya3N0YXIBAg==
+-----END OPENSSH PRIVATE KEY-----
diff --git a/cmd/melt/main_test.go b/cmd/melt/main_test.go
@@ -26,6 +26,21 @@ func TestBackupRestoreKnownKey(t *testing.T) {
 		is.Equal(mnemonic, strings.Join(strings.Fields(expectedMnemonic), " "))
 	})
 
+	t.Run("backup file that does not exist", func(t *testing.T) {
+		_, err := backup("nope")
+		is.New(t).True(err != nil)
+	})
+
+	t.Run("backup invalid ssh key", func(t *testing.T) {
+		_, err := backup("testdata/not-a-key")
+		is.New(t).True(err != nil)
+	})
+
+	t.Run("backup key of another type", func(t *testing.T) {
+		_, err := backup("testdata/id_rsa")
+		is.New(t).True(err != nil)
+	})
+
 	t.Run("restore", func(t *testing.T) {
 		is := is.New(t)
 		path := filepath.Join(t.TempDir(), "key")
@@ -57,11 +72,13 @@ func TestMaybeFile(t *testing.T) {
 func sha256sum(tb testing.TB, path string) string {
 	tb.Helper()
 	is := is.New(tb)
+
 	bts, err := os.ReadFile(path)
 	is.NoErr(err)
-	tb.Log(string(bts))
+
 	digest := sha256.New()
 	_, err = digest.Write(bts)
 	is.NoErr(err)
+
 	return hex.EncodeToString(digest.Sum(nil))
 }
diff --git a/cmd/melt/testdata/id_ed25519.pub b/cmd/melt/testdata/id_ed25519.pub
diff --git a/cmd/melt/testdata/id_rsa b/cmd/melt/testdata/id_rsa
@@ -0,0 +1,38 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn
+NhAAAAAwEAAQAAAYEAu5AX4ojAaJuOWXjmvW5PpnU7b5kHSgaEBpbXl9DAamlojlWrYSol
+ZcrtyJmehlqhTvVFuGbFamE9CkA+EJ1RMcpguik6aUReVualHWfNsvs4US9JUA8oF7OuYC
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+mifqXbvHtefpSA+Bk3S0+GOHwnkKnXtqUyBxLKiqe+Ft6Yj8tK/TIPvMWj8AhX14Wwdufr
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+HNizC+itaWxrYNbBUHb3tWNrbqKEF2CrioIunItW9aRpT1R78VTMmhsNBi33gjH4Txx/Xb
+ioVFowJlLNBdcAAAAPY2FybG9zQGRhcmtzdGFyAQIDBA==
+-----END OPENSSH PRIVATE KEY-----
diff --git a/cmd/melt/testdata/not-a-key b/cmd/melt/testdata/not-a-key
diff --git a/melt.go b/melt.go
@@ -12,7 +12,11 @@ import (
 
 // ToMnemonic takes a ed25519 private key and returns the list of words.
 func ToMnemonic(key *ed25519.PrivateKey) (string, error) {
-	words, err := bip39.NewMnemonic(key.Seed())
+	return toMnemonic(key.Seed())
+}
+
+func toMnemonic(seed []byte) (string, error) {
+	words, err := bip39.NewMnemonic(seed)
 	if err != nil {
 		return "", fmt.Errorf("could not create a mnemonic set of words: %w", err)
 	}

diff --git a/melt_test.go b/melt_test.go
@@ -10,10 +10,8 @@ import (
 
 func TestToMnemonic(t *testing.T) {
 	t.Run("invalid", func(t *testing.T) {
-		t.Skipf("this panics inside ed25519... not sure how to properly test an invalid key")
 		is := is.New(t)
-		key := ed25519.PrivateKey([]byte{})
-		w, err := ToMnemonic(&key)
+		w, err := toMnemonic([]byte{})
 		is.Equal(w, "")
 		is.True(err != nil)
 	})