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pythonnet/src/embed_tests/TestPyObject.cs at v3.2.1 · pythonnet/pythonnet · GitHub
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embed_tests
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TestPyObject.cs
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TestPyObject.cs
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using
System
;
using
System
.
Collections
.
Generic
;
using
System
.
Linq
;
using
NUnit
.
Framework
;
using
Python
.
Runtime
;
namespace
Python
.
EmbeddingTest
{
public
class
TestPyObject
{
[
Test
]
public
void
TestGetDynamicMemberNames
(
)
{
List
<
string
>
expectedMemberNames
=
new
List
<
string
>
{
"add"
,
"getNumber"
,
"member1"
,
"member2"
}
;
PyDict
locals
=
new
PyDict
(
)
;
PythonEngine
.
Exec
(
@"
class MemberNamesTest(object):
def __init__(self):
self.member1 = 123
self.member2 = 'Test string'
def getNumber(self):
return 123
def add(self, x, y):
return x + y
a = MemberNamesTest()
"
,
null
,
locals
)
;
PyObject
a
=
locals
.
GetItem
(
"a"
)
;
IEnumerable
<
string
>
memberNames
=
a
.
GetDynamicMemberNames
(
)
;
foreach
(
string
expectedName
in
expectedMemberNames
)
{
Assert
.
IsTrue
(
memberNames
.
Contains
(
expectedName
)
,
"Could not find member '{0}'."
,
expectedName
)
;
}
}
[
Test
]
public
void
InvokeNull
(
)
{
var
list
=
PythonEngine
.
Eval
(
"list"
)
;
Assert
.
Throws
<
ArgumentNullException
>
(
(
)
=>
list
.
Invoke
(
new
PyObject
[
]
{
null
}
)
)
;
}
[
Test
]
public
void
AsManagedObjectInvalidCast
(
)
{
var
list
=
PythonEngine
.
Eval
(
"list"
)
;
Assert
.
Throws
<
InvalidCastException
>
(
(
)
=>
list
.
AsManagedObject
(
typeof
(
int
)
)
)
;
}
[
Test
]
public
void
UnaryMinus_ThrowsOnBadType
(
)
{
dynamic
list
=
new
PyList
(
)
;
var
error
=
Assert
.
Throws
<
PythonException
>
(
(
)
=>
list
=
-
list
)
;
Assert
.
That
(
error
.
Type
.
Name
,
Is
.
EqualTo
(
"TypeError"
)
)
;
}
[
Test
]
[
Obsolete
]
public
void
GetAttrDefault_IgnoresAttributeErrorOnly
(
)
{
var
ob
=
new
PyObjectTestMethods
(
)
.
ToPython
(
)
;
using
var
fallback
=
new
PyList
(
)
;
var
attrErrResult
=
ob
.
GetAttr
(
nameof
(
PyObjectTestMethods
.
RaisesAttributeError
)
,
fallback
)
;
Assert
.
IsTrue
(
PythonReferenceComparer
.
Instance
.
Equals
(
fallback
,
attrErrResult
)
)
;
var
typeErrResult
=
Assert
.
Throws
<
PythonException
>
(
(
)
=>
ob
.
GetAttr
(
nameof
(
PyObjectTestMethods
.
RaisesTypeError
)
,
fallback
)
)
;
Assert
.
That
(
typeErrResult
.
Type
,
Is
.
EqualTo
(
Exceptions
.
TypeError
)
)
;
}
// regression test from https://github.com/pythonnet/pythonnet/issues/1642
[
Test
]
public
void
InheritedMethodsAutoacquireGIL
(
)
{
PythonEngine
.
Exec
(
"from System import String
\n
String.Format('{0},{1}', 1, 2)"
)
;
}
}
public
class
PyObjectTestMethods
{
public
string
RaisesAttributeError
=>
throw
new
PythonException
(
new
PyType
(
Exceptions
.
AttributeError
)
,
value
:
null
,
traceback
:
null
)
;
public
string
RaisesTypeError
=>
throw
new
PythonException
(
new
PyType
(
Exceptions
.
TypeError
)
,
value
:
null
,
traceback
:
null
)
;
}
}
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