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pythonnet/src/embed_tests/pyimport.cs at master · devtrack/pythonnet · GitHub
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using
System
;
using
System
.
IO
;
using
System
.
Runtime
.
InteropServices
;
using
NUnit
.
Framework
;
using
Python
.
Runtime
;
namespace
Python
.
EmbeddingTest
{
/// <summary>
/// Test Import unittests and regressions
/// </summary>
/// <remarks>
/// Keeping in old-style SetUp/TearDown due to required SetUp.
/// The required directory structure was added to .\pythonnet\src\embed_tests\fixtures\ directory:
/// + PyImportTest/
/// | - __init__.py
/// | + test/
/// | | - __init__.py
/// | | - one.py
/// </remarks>
public
class
PyImportTest
{
string
TestPath
;
[
OneTimeSetUp
]
public
void
SetUp
(
)
{
/* Append the tests directory to sys.path
* using reflection to circumvent the private
* modifiers placed on most Runtime methods. */
TestPath
=
Path
.
Combine
(
TestContext
.
CurrentContext
.
TestDirectory
,
"fixtures"
)
;
TestContext
.
Out
.
WriteLine
(
TestPath
)
;
using
var
str
=
Runtime
.
Runtime
.
PyString_FromString
(
TestPath
)
;
Assert
.
That
(
str
.
IsNull
(
)
,
Is
.
False
)
;
BorrowedReference
path
=
Runtime
.
Runtime
.
PySys_GetObject
(
"path"
)
;
Assert
.
That
(
path
.
IsNull
,
Is
.
False
)
;
Runtime
.
Runtime
.
PyList_Append
(
path
,
str
.
Borrow
(
)
)
;
}
[
OneTimeTearDown
]
public
void
Dispose
(
)
{
using
var
_
=
Py
.
GIL
(
)
;
Py
.
Import
(
"sys"
)
.
GetAttr
(
"path"
)
.
InvokeMethod
(
"remove"
,
new
PyString
(
TestPath
)
)
;
}
/// <summary>
/// Test subdirectory import
/// </summary>
[
Test
]
public
void
TestDottedName
(
)
{
var
module
=
PyModule
.
Import
(
"PyImportTest.test.one"
)
;
Assert
.
IsNotNull
(
module
)
;
}
/// <summary>
/// Tests that sys.args is set. If it wasn't exception would be raised.
/// </summary>
[
Test
]
public
void
TestSysArgsImportException
(
)
{
var
module
=
PyModule
.
Import
(
"PyImportTest.sysargv"
)
;
Assert
.
IsNotNull
(
module
)
;
}
/// <summary>
/// Test Global Variable casting. GH#420
/// </summary>
[
Test
]
public
void
TestCastGlobalVar
(
)
{
dynamic
foo
=
Py
.
Import
(
"PyImportTest.cast_global_var"
)
;
Assert
.
AreEqual
(
"1"
,
foo
.
FOO
.
ToString
(
)
)
;
Assert
.
AreEqual
(
"1"
,
foo
.
test_foo
(
)
.
ToString
(
)
)
;
foo
.
FOO
=
2
;
Assert
.
AreEqual
(
"2"
,
foo
.
FOO
.
ToString
(
)
)
;
Assert
.
AreEqual
(
"2"
,
foo
.
test_foo
(
)
.
ToString
(
)
)
;
}
[
Test
]
public
void
BadAssembly
(
)
{
string
path
=
Runtime
.
Runtime
.
PythonDLL
;
if
(
RuntimeInformation
.
IsOSPlatform
(
OSPlatform
.
Windows
)
)
{
path
=
@"C:\Windows\System32\kernel32.dll"
;
}
Assert
.
That
(
File
.
Exists
(
path
)
,
Is
.
True
,
$
"Test DLL
{
path
}
does not exist!"
)
;
string
code
=
$@
"
import clr
clr.AddReference('
{
path
}
')
"
;
Assert
.
Throws
<
BadImageFormatException
>
(
(
)
=>
PythonEngine
.
Exec
(
code
)
)
;
}
}
}
// regression for https://github.com/pythonnet/pythonnet/issues/1601
// initialize fails if a class derived from IEnumerable is in global namespace
public
class
PublicEnumerator
:
System
.
Collections
.
IEnumerable
{
public
System
.
Collections
.
IEnumerator
GetEnumerator
(
)
{
return
null
;
}
}
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