1 files changed, 62 insertions, 0 deletions
diff --git a/objects/object_snapshot_test.go b/objects/object_snapshot_test.go
new file mode 100644
index 0000000..b610190
--- /dev/null
+++ b/objects/object_snapshot_test.go
@@ -0,0 +1,62 @@
+package objects
+
+import (
+	"bytes"
+	"testing"
+	"time"
+)
+
+var (
+	testSnapshotObj = Snapshot{
+		Comment:   "foo\nbar\nbaz!",
+		Container: "foo",
+		Date:      time.Date(2017, 07, 01, 21, 40, 00, 0, time.FixedZone("", 2*60*60)),
+		Tree:      genId(0xff),
+	}
+
+	testSnapshotSerialization = []byte("" +
+		"container foo\n" +
+		"date 2017-07-01T21:40:00+02:00\n" +
+		"tree sha3-256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n" +
+		"\n" +
+		"foo\n" +
+		"bar\n" +
+		"baz!")
+)
+
+func TestSerializeSnapshot(t *testing.T) {
+	have := testSnapshotObj.Payload()
+
+	if !bytes.Equal(have, testSnapshotSerialization) {
+		t.Errorf("Unexpected serialization result: %s", have)
+	}
+}
+
+func TestUnserializeSnapshot(t *testing.T) {
+	have := Snapshot{}
+	if err := have.FromPayload(testSnapshotSerialization); err != nil {
+		t.Fatalf("Unexpected error: %s", err)
+	}
+
+	if !have.Equals(testSnapshotObj) {
+		t.Errorf("Unexpeced unserialization result: %v", have)
+	}
+}
+
+func TestUnserializeSnapshotFailure(t *testing.T) {
+	subtests := []struct{ name, payload string }{
+		{"empty", ""},
+		{"missing tree", "container foo\ndate 2017-07-01T22:02:00+02:00\n"},
+		{"missing container", "date 2017-07-01T22:02:00+02:00\ntree sha3-256:0000000000000000000000000000000000000000000000000000000000000000\n"},
+		{"missing date", "container foo\ntree sha3-256:0000000000000000000000000000000000000000000000000000000000000000\n"},
+		{"invalid date", "container foo\ndate foobar\ntree sha3-256:0000000000000000000000000000000000000000000000000000000000000000\n"},
+	}
+
+	for _, subtest := range subtests {
+		have := Snapshot{}
+		err := have.FromPayload([]byte(subtest.payload))
+		if err == nil {
+			t.Errorf("Unexpected unserialization success: %v", have)
+		}
+	}
+}