1 files changed, 77 insertions, 0 deletions
diff --git a/metadata/config_test.go b/metadata/config_test.go
new file mode 100644
index 0000000..ecdd44f
--- /dev/null
+++ b/metadata/config_test.go
@@ -0,0 +1,77 @@
+/*
+ * config_test.go - Tests the processing of the config file
+ *
+ * Copyright 2017 Google Inc.
+ * Author: Joe Richey (joerichey@google.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package metadata
+
+import (
+	"reflect"
+	"testing"
+)
+
+var testConfig = &Config{
+	Source: SourceType_custom_passphrase,
+	HashCosts: &HashingCosts{
+		Time:        10,
+		Memory:      1 << 12,
+		Parallelism: 8,
+	},
+	Compatibility: "",
+	Options: &EncryptionOptions{
+		Padding:       32,
+		ContentsMode:  EncryptionMode_XTS,
+		FilenamesMode: EncryptionMode_CTS,
+	},
+}
+
+var testConfigString = `{
+	"source": "custom_passphrase",
+	"hash_costs": {
+		"time": "10",
+		"memory": "4096",
+		"parallelism": "8"
+	},
+	"options": {
+		"padding": "32",
+		"contents_mode": "XTS",
+		"filenames_mode": "CTS"
+	}
+}`
+
+// Makes sure that writing a config and reading it back gives the same thing.
+func TestWrite(t *testing.T) {
+	str, err := WriteConfig(testConfig)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("json encoded config:\n%s", str)
+	if str != testConfigString {
+		t.Errorf("did not match: %s", testConfigString)
+	}
+}
+
+func TestRead(t *testing.T) {
+	cfg, err := ReadConfig(testConfigString)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("decoded config:\n%s", cfg)
+	if !reflect.DeepEqual(cfg, testConfig) {
+		t.Errorf("did not match: %s", testConfig)
+	}
+}