[infra] Add debug mode support to pub_integration_test.

This is follow-up to https://dart-review.googlesource.com/c/sdk/+/87921.

Change-Id: I32eca90b5b4f708b9238f1aa475b967fd5c242fd
Reviewed-on: https://dart-review.googlesource.com/c/87984
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Zach Anderson <zra@google.com>

tools/bots/pub_integration_test.py

@@ -3,6 +3,7 @@
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
+import optparse
 import os
 import subprocess
 import sys
@@ -16,10 +17,19 @@ dependencies:
 """
 
 def Main():
+  parser = optparse.OptionParser()
+  parser.add_option('--mode', action='store', dest='mode', type='string',
+                    default='release')
+
+  (options, args) = parser.parse_args()
+
+  out_dir_subfolder = 'DebugX64' if options.mode == 'debug' else 'ReleaseX64'
+
   out_dir = 'xcodebuild' if sys.platform == 'darwin' else 'out'
   extension = '' if not sys.platform == 'win32' else '.bat'
   pub = os.path.abspath(
-    '%s/ReleaseX64/dart-sdk/bin/pub%s' % (out_dir, extension))
+    '%s/%s/dart-sdk/bin/pub%s' % (out_dir, out_dir_subfolder, extension))
+  print(pub)
 
   working_dir = tempfile.mkdtemp()
   try:

tools/bots/test_matrix.json

@@ -1657,7 +1657,10 @@
         },
         {
           "name": "pub integration tests",
-          "script": "tools/bots/pub_integration_test.py"
+          "script": "tools/bots/pub_integration_test.py",
+          "arguments": [
+            "--mode=${mode}"
+          ]
         }
       ]
     },