Add infra_tests.py, recipe, buildbotless bot

infra/bots/infra_tests.py

Index: infra/bots/infra_tests.py
diff --git a/infra/bots/infra_tests.py b/infra/bots/infra_tests.py
new file mode 100755
index 0000000000000000000000000000000000000000..779ea8d83b1587e63f8a517b98c912b525b74a16
--- /dev/null
+++ b/infra/bots/infra_tests.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+#
+# Copyright 2016 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+"""Run all infrastructure-related tests."""
+
+
+import os
+import subprocess
+import sys
+
+
+INFRA_BOTS_DIR = os.path.dirname(os.path.realpath(__file__))
+SKIA_DIR = os.path.abspath(os.path.join(INFRA_BOTS_DIR, os.pardir, os.pardir))
+
+
+def test(cmd, cwd):
+  try:
+    subprocess.check_output(cmd, cwd=cwd, stderr=subprocess.STDOUT)
+  except subprocess.CalledProcessError as e:
+    return e.output
+
+
+def python_unit_tests():
+  return test(
+      ['python', '-m', 'unittest', 'discover', '-s', '.', '-p', '*_test.py'],
+      INFRA_BOTS_DIR)
+
+
+def recipe_simulation_test():
+  return test(
+      ['python', os.path.join(INFRA_BOTS_DIR, 'recipes.py'), 'simulation_test'],
+      SKIA_DIR)
+
+
+def gen_tasks_test():
+  cmd = ['go', 'run', 'gen_tasks.go', '--test']
+  try:
+    output = test(cmd, INFRA_BOTS_DIR)
+  except OSError:
+    return ('Failed to run "%s"; do you have Go installed on your machine?'
+            % ' '.join(cmd))
+  if output and 'cannot find package "go.skia.org/infra' in output:
+    return ('Failed to run gen_tests.go:\n\n%s\nMaybe you need to run:\n\n'
+            '$ go get -u go.skia.org/infra/...' % output)
+  return output
+
+
+def main():
+  tests = (
+      python_unit_tests,
+      recipe_simulation_test,
+      gen_tasks_test,
+  )
+  errs = []
+  for t in tests:
+    err = t()
+    if err:
+      errs.append(err)
+
+  if len(errs) > 0:
+    print >> sys.stderr, 'Test failures:\n'
+    for err in errs:
+      print >> sys.stderr, '=============================='
+      print >> sys.stderr, err
+      print >> sys.stderr, '=============================='
+    sys.exit(1)
+
+  print 'All tests passed!'
+
+
+if __name__ == '__main__':
+  main()