[test] Skip pexpect-based lldb-mi tests on Darwin

These tests fail with a relatively frequently on Darwin machines with
errors such as:

  File ".../lldb/third_party/Python/module/pexpect-2.4/pexpect.py", line 1444, in expect_loop
    raise EOF(str(e) + '\n' + str(self))
EOF: End Of File (EOF) in read_nonblocking(). Empty string style platform.

The unpredictable failures make these tests noisy.

rdar://37046976

llvm-svn: 326739

1 files changed, 7 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-mi/data/TestMiData.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-mi/data/TestMiData.py
index f3a27724686..de15343f6ad 100644
--- a/lldb/packages/Python/lldbsuite/test/tools/lldb-mi/data/TestMiData.py
+++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-mi/data/TestMiData.py
@@ -18,6 +18,7 @@ class MiDataTestCase(lldbmi_testcase.MiTestCaseBase):
 
     @skipIfRemote   # We do not currently support remote debugging via the MI.
     @skipIfWindows  # llvm.org/pr24452: Get lldb-mi tests working on Windows
+    @skipIfDarwin   # pexpect is known to be unreliable on Darwin
     @skipIfFreeBSD  # llvm.org/pr22411: Failure presumably due to known thread races
     def test_lldbmi_data_disassemble(self):
         """Test that 'lldb-mi --interpreter' works for -data-disassemble."""
@@ -89,6 +90,7 @@ class MiDataTestCase(lldbmi_testcase.MiTestCaseBase):
 
     @skipIfRemote   # We do not currently support remote debugging via the MI.
     @skipIfWindows  # llvm.org/pr24452: Get lldb-mi tests working on Windows
+    @skipIfDarwin   # pexpect is known to be unreliable on Darwin
     @skipIfFreeBSD  # llvm.org/pr22411: Failure presumably due to known thread races
     def test_lldbmi_data_read_memory_bytes_global(self):
         """Test that -data-read-memory-bytes can access global buffers."""
@@ -132,6 +134,7 @@ class MiDataTestCase(lldbmi_testcase.MiTestCaseBase):
 
     @skipIfRemote   # We do not currently support remote debugging via the MI.
     @skipIfWindows  # llvm.org/pr24452: Get lldb-mi tests working on Windows
+    @skipIfDarwin   # pexpect is known to be unreliable on Darwin
     @skipIfFreeBSD  # llvm.org/pr22411: Failure presumably due to known thread races
     def test_lldbmi_data_read_memory_bytes_local(self):
         """Test that -data-read-memory-bytes can access local buffers."""
@@ -272,6 +275,7 @@ class MiDataTestCase(lldbmi_testcase.MiTestCaseBase):
 
     @skipIfRemote   # We do not currently support remote debugging via the MI.
     @skipIfWindows  # llvm.org/pr24452: Get lldb-mi tests working on Windows
+    @skipIfDarwin   # pexpect is known to be unreliable on Darwin
     @skipIfFreeBSD  # llvm.org/pr22411: Failure presumably due to known thread races
     def test_lldbmi_data_list_register_names(self):
         """Test that 'lldb-mi --interpreter' works for -data-list-register-names."""
@@ -299,6 +303,7 @@ class MiDataTestCase(lldbmi_testcase.MiTestCaseBase):
 
     @skipIfRemote   # We do not currently support remote debugging via the MI.
     @skipIfWindows  # llvm.org/pr24452: Get lldb-mi tests working on Windows
+    @skipIfDarwin   # pexpect is known to be unreliable on Darwin
     @skipIfFreeBSD  # llvm.org/pr22411: Failure presumably due to known thread races
     def test_lldbmi_data_list_register_values(self):
         """Test that 'lldb-mi --interpreter' works for -data-list-register-values."""
@@ -328,6 +333,7 @@ class MiDataTestCase(lldbmi_testcase.MiTestCaseBase):
 
     @skipIfRemote   # We do not currently support remote debugging via the MI.
     @skipIfWindows  # llvm.org/pr24452: Get lldb-mi tests working on Windows
+    @skipIfDarwin   # pexpect is known to be unreliable on Darwin
     @skipIfFreeBSD  # llvm.org/pr22411: Failure presumably due to known thread races
     def test_lldbmi_data_info_line(self):
         """Test that 'lldb-mi --interpreter' works for -data-info-line."""
@@ -383,6 +389,7 @@ class MiDataTestCase(lldbmi_testcase.MiTestCaseBase):
 
     @skipIfRemote   # We do not currently support remote debugging via the MI.
     @skipIfWindows  # llvm.org/pr24452: Get lldb-mi tests working on Windows
+    @skipIfDarwin   # pexpect is known to be unreliable on Darwin
     @skipIfFreeBSD  # llvm.org/pr22411: Failure presumably due to known thread races
     def test_lldbmi_data_evaluate_expression(self):
         """Test that 'lldb-mi --interpreter' works for -data-evaluate-expression."""