GeezerVison is showing github.com — pythonnet/src/embed_tests/pyimport.cs at master · pythonnet/pythonnet

Expand file tree

pyimport.cs

Copy path

More file actions

Latest commit

History

114 lines (99 loc) · 3.38 KB

pyimport.cs

Copy path

File metadata and controls

114 lines (99 loc) · 3.38 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

100

101

102

103

104

105

106

107

108

109

110

111

112

113

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.That(foo.FOO.ToString(), Is.EqualTo("1"));

Assert.That(foo.test_foo().ToString(), Is.EqualTo("1"));

foo.FOO = 2;

Assert.That(foo.FOO.ToString(), Is.EqualTo("2"));

Assert.That(foo.test_foo().ToString(), Is.EqualTo("2"));

}

[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;

}