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-rw-r--r--ext/pybind11/tests/test_exceptions.py74
1 files changed, 74 insertions, 0 deletions
diff --git a/ext/pybind11/tests/test_exceptions.py b/ext/pybind11/tests/test_exceptions.py
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+++ b/ext/pybind11/tests/test_exceptions.py
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+import pytest
+
+
+def test_error_already_set(msg):
+ from pybind11_tests import throw_already_set
+
+ with pytest.raises(RuntimeError) as excinfo:
+ throw_already_set(False)
+ assert msg(excinfo.value) == "Unknown internal error occurred"
+
+ with pytest.raises(ValueError) as excinfo:
+ throw_already_set(True)
+ assert msg(excinfo.value) == "foo"
+
+
+def test_python_call_in_catch():
+ from pybind11_tests import python_call_in_destructor
+
+ d = {}
+ assert python_call_in_destructor(d) is True
+ assert d["good"] is True
+
+
+def test_custom(msg):
+ from pybind11_tests import (MyException, MyException5, MyException5_1,
+ throws1, throws2, throws3, throws4, throws5, throws5_1,
+ throws_logic_error)
+
+ # Can we catch a MyException?"
+ with pytest.raises(MyException) as excinfo:
+ throws1()
+ assert msg(excinfo.value) == "this error should go to a custom type"
+
+ # Can we translate to standard Python exceptions?
+ with pytest.raises(RuntimeError) as excinfo:
+ throws2()
+ assert msg(excinfo.value) == "this error should go to a standard Python exception"
+
+ # Can we handle unknown exceptions?
+ with pytest.raises(RuntimeError) as excinfo:
+ throws3()
+ assert msg(excinfo.value) == "Caught an unknown exception!"
+
+ # Can we delegate to another handler by rethrowing?
+ with pytest.raises(MyException) as excinfo:
+ throws4()
+ assert msg(excinfo.value) == "this error is rethrown"
+
+ # "Can we fall-through to the default handler?"
+ with pytest.raises(RuntimeError) as excinfo:
+ throws_logic_error()
+ assert msg(excinfo.value) == "this error should fall through to the standard handler"
+
+ # Can we handle a helper-declared exception?
+ with pytest.raises(MyException5) as excinfo:
+ throws5()
+ assert msg(excinfo.value) == "this is a helper-defined translated exception"
+
+ # Exception subclassing:
+ with pytest.raises(MyException5) as excinfo:
+ throws5_1()
+ assert msg(excinfo.value) == "MyException5 subclass"
+ assert isinstance(excinfo.value, MyException5_1)
+
+ with pytest.raises(MyException5_1) as excinfo:
+ throws5_1()
+ assert msg(excinfo.value) == "MyException5 subclass"
+
+ with pytest.raises(MyException5) as excinfo:
+ try:
+ throws5()
+ except MyException5_1:
+ raise RuntimeError("Exception error: caught child from parent")
+ assert msg(excinfo.value) == "this is a helper-defined translated exception"