feat(spec): version field (#85)

Adds a `version` field to the `jsonnetfile.json`, so that `jb` can automatically recognize too old / too new schema versions, instead of panicking.

spec/deps/dependencies_test.go

@@ -1,80 +0,0 @@
-// 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 deps
-
-import (
-	"os"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestParseDependency(t *testing.T) {
-	const testFolder = "test/jsonnet/foobar"
-	err := os.MkdirAll(testFolder, os.ModePerm)
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer os.RemoveAll("test")
-
-	tests := []struct {
-		name string
-		path string
-		want *Dependency
-	}{
-		{
-			name: "Empty",
-			path: "",
-			want: nil,
-		},
-		{
-			name: "Invalid",
-			path: "example.com/foo",
-			want: nil,
-		},
-		{
-			name: "InvalidDomain",
-			path: "example.c/foo/bar",
-			want: nil,
-		},
-		{
-			name: "InvalidDomain2",
-			path: "examplec/foo/bar",
-			want: nil,
-		},
-		{
-			name: "local",
-			path: testFolder,
-			want: &Dependency{
-				Source: Source{
-					LocalSource: &Local{
-						Directory: "test/jsonnet/foobar",
-					},
-				},
-				Version: "",
-			},
-		},
-	}
-	for _, tt := range tests {
-		_ = t.Run(tt.name, func(t *testing.T) {
-			dependency := Parse("", tt.path)
-
-			if tt.path == "" {
-				assert.Nil(t, dependency)
-			} else {
-				assert.Equal(t, tt.want, dependency)
-			}
-		})
-	}
-}