From 82dd9f540be12c4c93679d2a60c4d1950e57eec8 Mon Sep 17 00:00:00 2001
From: Laria Carolin Chabowski <laria@laria.me>
Date: Sat, 24 Jun 2017 21:37:21 +0200
Subject: Add basic idea of objects

---
 objects/object_test.go | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 objects/object_test.go

(limited to 'objects/object_test.go')

diff --git a/objects/object_test.go b/objects/object_test.go
new file mode 100644
index 0000000..c596b39
--- /dev/null
+++ b/objects/object_test.go
@@ -0,0 +1,88 @@
+package objects
+
+import (
+	"bufio"
+	"bytes"
+	"testing"
+)
+
+func TestUnserializeSuccess(t *testing.T) {
+	r := bufio.NewReader(bytes.NewBuffer([]byte("blob 16\n0123456789abcdef")))
+
+	o, err := UnserializeObject(r)
+	if err != nil {
+		t.Fatalf("Unserialize failed: %s", err)
+	}
+
+	if o.Type != OTBlob {
+		t.Errorf("expected type %s, got %s", OTBlob, o.Type)
+	}
+
+	if !bytes.Equal([]byte("0123456789abcdef"), o.Payload) {
+		t.Errorf("Unexpected payload: (size %d) %v", len(o.Payload), o.Payload)
+	}
+}
+
+func TestUnserializeSuccess0Payload(t *testing.T) {
+	r := bufio.NewReader(bytes.NewBuffer([]byte("blob 0\n")))
+
+	o, err := UnserializeObject(r)
+	if err != nil {
+		t.Fatalf("Unserialize failed: %s", err)
+	}
+
+	if o.Type != OTBlob {
+		t.Errorf("expected type %s, got %s", OTBlob, o.Type)
+	}
+
+	if !bytes.Equal([]byte{}, o.Payload) {
+		t.Errorf("Unexpected payload: (size %d) %v", len(o.Payload), o.Payload)
+	}
+}
+
+func unserializeMustFail(b []byte, t *testing.T) {
+	r := bufio.NewReader(bytes.NewBuffer(b))
+
+	o, err := UnserializeObject(r)
+	if err == nil {
+		t.Fatalf("Expected an error, but object was successfully read: %#v", o)
+	}
+
+	_, ok := err.(UnserializeError)
+	if !ok {
+		t.Fatalf("Unknown error, expected an UnserializeError: %#v", err)
+	}
+}
+
+func TestUnserializeInvalidEmpty(t *testing.T) {
+	unserializeMustFail([]byte{}, t)
+}
+
+func TestUnserializeIncompleteHeader(t *testing.T) {
+	unserializeMustFail([]byte("foo\nbar"), t)
+}
+
+func TestUnserializeInvalidNumber(t *testing.T) {
+	unserializeMustFail([]byte("blob abc\nbar"), t)
+}
+
+func TestUnserializePayloadTooSmall(t *testing.T) {
+	unserializeMustFail([]byte("blob 10\nbar"), t)
+}
+
+func TestSerialize(t *testing.T) {
+	o := Object{
+		Type:    OTBlob,
+		Payload: []byte("foo bar\nbaz"),
+	}
+
+	buf := new(bytes.Buffer)
+	if err := o.Serialize(buf); err != nil {
+		t.Fatalf("Serialization failed:%s", err)
+	}
+
+	b := buf.Bytes()
+	if !bytes.Equal(b, []byte("blob 11\nfoo bar\nbaz")) {
+		t.Errorf("Unexpected serialization result: %v", b)
+	}
+}
-- 
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