milo: dedup testdata

appengine/cmd/milo/swarming/build.go

 // Copyright 2015 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 swarming
 
 import (
         "bytes"
         "encoding/json"
         "fmt"
@@ skipping 42 matching lines @@
         sc, err := swarming.New(client)
         if err != nil {
                 return nil, err
         }
         sc.BasePath = fmt.Sprintf("https://%s/_ah/api/swarming/v1/", server)
         return sc, nil
 }
 
 func getDebugTaskOutput(taskID string) (string, error) {
         // Read the debug file instead.
-        logFilename := filepath.Join("testdata", taskID)
+
+        // ../swarming below assumes that
+        // - this code is not executed by tests outside of this dir
+        // - this dir is a sibling of frontend dir
+        logFilename := filepath.Join("..", "swarming", "testdata", taskID)
         b, err := ioutil.ReadFile(logFilename)
         if err != nil {
                 return "", err
         }
         return string(b), nil
 }
 
 func getTaskOutput(sc *swarming.Service, taskID string) (string, error) {
         res, err := sc.Task.Stdout(taskID).Do()
         if err != nil {
                 return "", err
         }
         return res.Output, nil
 }
 
 func getDebugSwarmingResult(
         taskID string) (*swarming.SwarmingRpcsTaskResult, error) {
 
-        logFilename := filepath.Join("testdata", taskID)
+        // ../swarming below assumes that
+        // - this code is not executed by tests outside of this dir
+        // - this dir is a sibling of frontend dir
+        logFilename := filepath.Join("..", "swarming", "testdata", taskID)
         swarmFilename := fmt.Sprintf("%s.swarm", logFilename)
         s, err := ioutil.ReadFile(swarmFilename)
         if err != nil {
                 return nil, err
         }
         sr := &swarming.SwarmingRpcsTaskResult{}
         if err := json.Unmarshal(s, sr); err != nil {
                 return nil, err
         }
         return sr, nil
@@ skipping 246 matching lines @@
 // Supports server aliases.
 func taskPageURL(swarmingHostname, taskID string) string {
         return fmt.Sprintf("https://%s/user/task/%s", swarmingHostname, taskID)
 }
 
 // botPageURL returns a URL to a human-consumable page of a swarming bot.
 // Supports server aliases.
 func botPageURL(swarmingHostname, botID string) string {
         return fmt.Sprintf("https://%s/restricted/bot/%s", swarmingHostname, botID)
 }