vpython: Add CIPD support.

vpython/venv/venv_test.go

 // Copyright 2017 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package venv
 
 import (
         "encoding/json"
         "fmt"
         "io/ioutil"
@@ skipping 122 matching lines @@
         if err != nil {
                 t.Fatalf("could not set up test loader for %q: %s", ri.py.Python, err)
         }
 
         Convey(`Testing Setup`, t, testfs.MustWithTempDir(t, "vpython", func(tdir string) {
                 c := context.Background()
                 config := Config{
                         BaseDir:    tdir,
                         MaxHashLen: 4,
                         Package: vpython.Spec_Package{
-                                Path:    "foo/bar/virtualenv",
+                                Name:    "foo/bar/virtualenv",
                                 Version: "unresolved",
                         },
                         Python: ri.py.Python,
                         Spec: &vpython.Spec{
                                 Wheel: []*vpython.Spec_Package{
-                                        {Path: "foo/bar/shirt", Version: "unresolved"},
-                                        {Path: "foo/bar/pants", Version: "unresolved"},
+                                        {Name: "foo/bar/shirt", Version: "unresolved"},
+                                        {Name: "foo/bar/pants", Version: "unresolved"},
                                 },
                         },
                         Loader: tl,
                 }
 
                 // Load the bootstrap wheels for the next part of the test.
                 So(tl.ensureWheels(c, t, ri.py, tdir), ShouldBeNil)
 
                 err := With(c, config, false, func(c context.Context, v *Env) error {
                         testScriptPath := filepath.Join(testDataDir, "setup_check.py")
@@ skipping 36 matching lines @@
 func loadJSON(path string, dst interface{}) error {
         content, err := ioutil.ReadFile(path)
         if err != nil {
                 return errors.Annotate(err).Reason("failed to open file").Err()
         }
         if err := json.Unmarshal(content, dst); err != nil {
                 return errors.Annotate(err).Reason("failed to unmarshal JSON").Err()
         }
         return nil
 }