Move all the code to a lib folder

lib/database/news_test.go

@@ -0,0 +1,26 @@
+package database
+
+import "testing"
+
+func TestNews(t *testing.T) {
+	const text = "Some news text"
+
+	db := Init(test_host, test_coll)
+	defer db.del()
+
+	err := db.AddNews(text)
+	if err != nil {
+		t.Errorf("db.News(", text, ") return an error: ", err)
+	}
+
+	news, err := db.GetNews(1, 1)
+	if err != nil {
+		t.Fatalf("db.GetNews() return an error: ", err)
+	}
+	if len(news) < 1 {
+		t.Fatalf("No news found.")
+	}
+	if news[0].Text != text {
+		t.Errorf("News text don't match : '", news[0].Text, "' <=> '", text, "'")
+	}
+}