commithgraph / timeline (#428)

* Add model and tests for graph

* Add route and router for graph

* Add assets for graph

* Add template for graph

models/graph_test.go

@@ -0,0 +1,41 @@
+// Copyright 2016 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package models
+
+import (
+	"testing"
+
+	"code.gitea.io/git"
+)
+
+func BenchmarkGetCommitGraph(b *testing.B) {
+
+	currentRepo, err := git.OpenRepository(".")
+	if err != nil {
+		b.Error("Could not open repository")
+	}
+
+	graph, err := GetCommitGraph(currentRepo)
+	if err != nil {
+		b.Error("Could get commit graph")
+	}
+
+	if len(graph) < 100 {
+		b.Error("Should get 100 log lines.")
+	}
+}
+
+func BenchmarkParseCommitString(b *testing.B) {
+	testString := "* DATA:||4e61bacab44e9b4730e44a6615d04098dd3a8eaf|2016-12-20 21:10:41 +0100|Kjell Kvinge|kjell@kvinge.biz|4e61bac|Add route for graph"
+
+	graphItem, err := graphItemFromString(testString, nil)
+	if err != nil {
+		b.Error("could not parse teststring")
+	}
+
+	if graphItem.Author != "Kjell Kvinge" {
+		b.Error("Did not get expected data")
+	}
+}