Also display the output and error output of a failed command

Summary:
Instead of just printing the current "False is not True, ..." message when we
fail to run a certain command, this patch also adds the actual command output or
error output that we received to the assertion message.

Reviewers: davide

Reviewed By: davide

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D50492

llvm-svn: 339351

1 files changed, 6 insertions, 1 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/lldbtest.py b/lldb/packages/Python/lldbsuite/test/lldbtest.py
index 1b6302ae96a..1c8b1d6bc22 100644
--- a/lldb/packages/Python/lldbsuite/test/lldbtest.py
+++ b/lldb/packages/Python/lldbsuite/test/lldbtest.py
@@ -2074,8 +2074,13 @@ class TestBase(Base):
                     print("Command '" + cmd + "' failed!", file=sbuf)
 
         if check:
+            output = ""
+            if self.res.GetOutput():
+              output += "\nCommand output:\n" + self.res.GetOutput()
+            if self.res.GetError():
+              output += "\nError output:\n" + self.res.GetError()
             self.assertTrue(self.res.Succeeded(),
-                            msg if msg else CMD_MSG(cmd))
+                            msg if (msg + output) else CMD_MSG(cmd + output))
 
     def match(
             self,