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pythonnet/src/embed_tests/TestPythonEngineProperties.cs at master · Nolfurh/pythonnet · GitHub
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using
System
;
using
NUnit
.
Framework
;
using
Python
.
Runtime
;
namespace
Python
.
EmbeddingTest
{
public
class
TestPythonEngineProperties
{
[
Test
]
public
static
void
GetBuildinfoDoesntCrash
(
)
{
PythonEngine
.
Initialize
(
)
;
using
(
Py
.
GIL
(
)
)
{
string
s
=
PythonEngine
.
BuildInfo
;
Assert
.
True
(
s
.
Length
>
5
)
;
Assert
.
True
(
s
.
Contains
(
","
)
)
;
}
}
[
Test
]
public
static
void
GetCompilerDoesntCrash
(
)
{
PythonEngine
.
Initialize
(
)
;
using
(
Py
.
GIL
(
)
)
{
string
s
=
PythonEngine
.
Compiler
;
Assert
.
True
(
s
.
Length
>
0
)
;
Assert
.
True
(
s
.
Contains
(
"["
)
)
;
Assert
.
True
(
s
.
Contains
(
"]"
)
)
;
}
}
[
Test
]
public
static
void
GetCopyrightDoesntCrash
(
)
{
PythonEngine
.
Initialize
(
)
;
using
(
Py
.
GIL
(
)
)
{
string
s
=
PythonEngine
.
Copyright
;
Assert
.
True
(
s
.
Length
>
0
)
;
Assert
.
True
(
s
.
Contains
(
"Python Software Foundation"
)
)
;
}
}
[
Test
]
public
static
void
GetPlatformDoesntCrash
(
)
{
PythonEngine
.
Initialize
(
)
;
using
(
Py
.
GIL
(
)
)
{
string
s
=
PythonEngine
.
Platform
;
Assert
.
True
(
s
.
Length
>
0
)
;
Assert
.
True
(
s
.
Contains
(
"x"
)
||
s
.
Contains
(
"win"
)
)
;
}
}
[
Test
]
public
static
void
GetVersionDoesntCrash
(
)
{
PythonEngine
.
Initialize
(
)
;
using
(
Py
.
GIL
(
)
)
{
string
s
=
PythonEngine
.
Version
;
Assert
.
True
(
s
.
Length
>
0
)
;
Assert
.
True
(
s
.
Contains
(
","
)
)
;
}
}
[
Test
]
public
static
void
GetPythonPathDefault
(
)
{
PythonEngine
.
Initialize
(
)
;
string
s
=
PythonEngine
.
PythonPath
;
StringAssert
.
Contains
(
"python"
,
s
.
ToLower
(
)
)
;
PythonEngine
.
Shutdown
(
)
;
}
[
Test
]
public
static
void
GetProgramNameDefault
(
)
{
PythonEngine
.
Initialize
(
)
;
string
s
=
PythonEngine
.
ProgramName
;
Assert
.
NotNull
(
s
)
;
PythonEngine
.
Shutdown
(
)
;
}
/// <summary>
/// Test default behavior of PYTHONHOME. If ENVVAR is set it will
/// return the same value. If not, returns EmptyString.
/// </summary>
[
Test
]
public
static
void
GetPythonHomeDefault
(
)
{
string
envPythonHome
=
Environment
.
GetEnvironmentVariable
(
"PYTHONHOME"
)
??
""
;
PythonEngine
.
Initialize
(
)
;
string
enginePythonHome
=
PythonEngine
.
PythonHome
;
Assert
.
AreEqual
(
envPythonHome
,
enginePythonHome
)
;
PythonEngine
.
Shutdown
(
)
;
}
[
Test
]
public
void
SetPythonHome
(
)
{
PythonEngine
.
Initialize
(
)
;
var
pythonHomeBackup
=
PythonEngine
.
PythonHome
;
PythonEngine
.
Shutdown
(
)
;
if
(
pythonHomeBackup
==
""
)
Assert
.
Inconclusive
(
"Can't reset PythonHome to empty string, skipping"
)
;
var
pythonHome
=
"/dummypath/"
;
PythonEngine
.
PythonHome
=
pythonHome
;
PythonEngine
.
Initialize
(
)
;
Assert
.
AreEqual
(
pythonHome
,
PythonEngine
.
PythonHome
)
;
PythonEngine
.
Shutdown
(
)
;
// Restoring valid pythonhome.
PythonEngine
.
PythonHome
=
pythonHomeBackup
;
}
[
Test
]
public
void
SetPythonHomeTwice
(
)
{
PythonEngine
.
Initialize
(
)
;
var
pythonHomeBackup
=
PythonEngine
.
PythonHome
;
PythonEngine
.
Shutdown
(
)
;
if
(
pythonHomeBackup
==
""
)
Assert
.
Inconclusive
(
"Can't reset PythonHome to empty string, skipping"
)
;
var
pythonHome
=
"/dummypath/"
;
PythonEngine
.
PythonHome
=
"/dummypath2/"
;
PythonEngine
.
PythonHome
=
pythonHome
;
PythonEngine
.
Initialize
(
)
;
Assert
.
AreEqual
(
pythonHome
,
PythonEngine
.
PythonHome
)
;
PythonEngine
.
Shutdown
(
)
;
PythonEngine
.
PythonHome
=
pythonHomeBackup
;
}
[
Test
]
[
Ignore
(
"Currently buggy in Python"
)
]
public
void
SetPythonHomeEmptyString
(
)
{
PythonEngine
.
Initialize
(
)
;
var
backup
=
PythonEngine
.
PythonHome
;
if
(
backup
==
""
)
{
PythonEngine
.
Shutdown
(
)
;
Assert
.
Inconclusive
(
"Can't reset PythonHome to empty string, skipping"
)
;
}
PythonEngine
.
PythonHome
=
""
;
Assert
.
AreEqual
(
""
,
PythonEngine
.
PythonHome
)
;
PythonEngine
.
PythonHome
=
backup
;
PythonEngine
.
Shutdown
(
)
;
}
[
Test
]
public
void
SetProgramName
(
)
{
if
(
PythonEngine
.
IsInitialized
)
{
PythonEngine
.
Shutdown
(
)
;
}
var
programNameBackup
=
PythonEngine
.
ProgramName
;
var
programName
=
"FooBar"
;
PythonEngine
.
ProgramName
=
programName
;
PythonEngine
.
Initialize
(
)
;
Assert
.
AreEqual
(
programName
,
PythonEngine
.
ProgramName
)
;
PythonEngine
.
Shutdown
(
)
;
PythonEngine
.
ProgramName
=
programNameBackup
;
}
[
Test
]
public
void
SetPythonPath
(
)
{
PythonEngine
.
Initialize
(
)
;
const
string
moduleName
=
"pytest"
;
bool
importShouldSucceed
;
try
{
Py
.
Import
(
moduleName
)
;
importShouldSucceed
=
true
;
}
catch
{
importShouldSucceed
=
false
;
}
string
[
]
paths
=
Py
.
Import
(
"sys"
)
.
GetAttr
(
"path"
)
.
As
<
string
[
]
>
(
)
;
string
path
=
string
.
Join
(
System
.
IO
.
Path
.
PathSeparator
.
ToString
(
)
,
paths
)
;
// path should not be set to PythonEngine.PythonPath here.
// PythonEngine.PythonPath gets the default module search path, not the full search path.
// The list sys.path is initialized with this value on interpreter startup;
// it can be (and usually is) modified later to change the search path for loading modules.
// See https://docs.python.org/3/c-api/init.html#c.Py_GetPath
// After PythonPath is set, then PythonEngine.PythonPath will correctly return the full search path.
PythonEngine
.
Shutdown
(
)
;
PythonEngine
.
PythonPath
=
path
;
PythonEngine
.
Initialize
(
)
;
Assert
.
AreEqual
(
path
,
PythonEngine
.
PythonPath
)
;
if
(
importShouldSucceed
)
Py
.
Import
(
moduleName
)
;
PythonEngine
.
Shutdown
(
)
;
}
}
}
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