Testing the handling of couple of error cases.
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@xxxxxxxxx>
---
.../tests/1_unit/test_01_ftracepy_unit.py | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py b/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
index 7b344e2..7e5b20e 100644
--- a/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
+++ b/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
@@ -582,5 +582,23 @@ class HistTestCase(unittest.TestCase):
self.assertTrue('Available triggers:' in h_buff)
f.close()
+ def test_hist_err(self):
+ inst = ft.create_instance(instance_name)
+ hist = ft.hist(system='kmem', event='kmalloc',
+ axes={'call_site': 'sym',
+ 'bytes_alloc': 'n'})
+ err = 'Failed read data from histogram'
+ with self.assertRaises(Exception) as context:
+ hist.read(inst)
+ self.assertTrue(err in str(context.exception))
+
+ hist.start(inst)
+ err = 'Failed to start filling the histogram'
+ with self.assertRaises(Exception) as context:
+ hist.start(inst)
+ self.assertTrue(err in str(context.exception))
+ hist.close(inst)
+
+
if __name__ == '__main__':
unittest.main()
--
2.32.0
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