Add correct lockfile handling

pkg/packages_test.go

@@ -0,0 +1,35 @@
+// Copyright 2018 jsonnet-bundler authors
+//
+// 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 pkg
+
+import (
+	"testing"
+
+	"github.com/jsonnet-bundler/jsonnet-bundler/spec"
+)
+
+func TestInsert(t *testing.T) {
+	deps := []*spec.Dependency{&spec.Dependency{Name: "test1", Version: "latest"}}
+	dep := &spec.Dependency{Name: "test2", Version: "latest"}
+
+	res, err := insertDependency(deps, dep)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(res) != 2 {
+		t.Fatal("Incorrectly inserted")
+	}
+}