refactored to move no longer shared things out of the shared/ folder

client/data/data_test.go

@@ -0,0 +1,23 @@
+package data
+
+import (
+	"testing"
+
+	"github.com/ddworken/hishtory/shared"
+)
+
+func TestEncryptDecrypt(t *testing.T) {
+	k1 := EncryptionKey("key")
+	k2 := EncryptionKey("key")
+	if string(k1) != string(k2) {
+		t.Fatalf("Expected EncryptionKey to be deterministic!")
+	}
+
+	ciphertext, nonce, err := Encrypt("key", []byte("hello world!"), []byte("extra"))
+	shared.Check(t, err)
+	plaintext, err := Decrypt("key", ciphertext, []byte("extra"), nonce)
+	shared.Check(t, err)
+	if string(plaintext) != "hello world!" {
+		t.Fatalf("Expected decrypt(encrypt(x)) to work, but it didn't!")
+	}
+}