Use cmd.exe instead of python.exe for unit test.

base/process_util_unittest.cc

Index: base/process_util_unittest.cc
diff --git a/base/process_util_unittest.cc b/base/process_util_unittest.cc
index 771a587633295f1c045f44e2532c4fda3283441b..15a3a321609691b299323ded3821c3c7bfab019a 100644
--- a/base/process_util_unittest.cc
+++ b/base/process_util_unittest.cc
@@ -414,24 +414,23 @@ TEST_F(ProcessUtilTest, GetAppOutput) {
                                     // boundary.
     message += "Hello!";
   }
-
-  FilePath python_runtime;
-  ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &python_runtime));
-  python_runtime = python_runtime.Append(FILE_PATH_LITERAL("third_party"))
-                                 .Append(FILE_PATH_LITERAL("python_26"))
-                                 .Append(FILE_PATH_LITERAL("python.exe"));
-
-  CommandLine cmd_line(python_runtime);
-  cmd_line.AppendArg("-c");
-  cmd_line.AppendArg("import sys; sys.stdout.write('" + message + "');");
+  // cmd.exe's echo always adds a \r\n to its output.
+  std::string expected(message);
+  expected += "\r\n";
+
+  FilePath cmd(L"cmd.exe");
+  CommandLine cmd_line(cmd);
+  cmd_line.AppendArg("/c");
+  cmd_line.AppendArg("echo " + message + "");
   std::string output;
   ASSERT_TRUE(base::GetAppOutput(cmd_line, &output));
-  EXPECT_EQ(message, output);
+  EXPECT_EQ(expected, output);
 
   // Let's make sure stderr is ignored.
-  CommandLine other_cmd_line(python_runtime);
-  other_cmd_line.AppendArg("-c");
-  other_cmd_line.AppendArg("import sys; sys.stderr.write('Hello!');");
+  CommandLine other_cmd_line(cmd);
+  other_cmd_line.AppendArg("/c");
+  // http://msdn.microsoft.com/library/cc772622.aspx
+  cmd_line.AppendArg("echo " + message + " >&2");

[jar (doing other things), 2012/03/07 22:05:35]

Although a shell in cygwin or linux can handle things like ">&2" I don't think
that traditional DOS cmd can handle them.

Am I confused about what is being run here??

   output.clear();
   ASSERT_TRUE(base::GetAppOutput(other_cmd_line, &output));
   EXPECT_EQ("", output);