-
Notifications
You must be signed in to change notification settings - Fork 774
Expand file tree
/
Copy pathpyinitialize.cs
More file actions
157 lines (142 loc) · 5.43 KB
/
pyinitialize.cs
File metadata and controls
157 lines (142 loc) · 5.43 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
using System;
using NUnit.Framework;
using Python.Runtime;
namespace Python.EmbeddingTest
{
public class PyInitializeTest
{
/// <summary>
/// Tests issue with multiple simple Initialize/Shutdowns.
/// Fixed by #343
/// </summary>
[Test]
public static void StartAndStopTwice()
{
PythonEngine.Initialize();
PythonEngine.Shutdown();
PythonEngine.Initialize();
PythonEngine.Shutdown();
}
[Test]
public static void LoadDefaultArgs()
{
using (new PythonEngine())
{
using(var argv = new PyList(Runtime.Runtime.PySys_GetObject("argv")))
{
Assert.AreNotEqual(0, argv.Length());
}
}
}
[Test]
public static void LoadSpecificArgs()
{
var args = new[] { "test1", "test2" };
using (new PythonEngine(args))
{
using (var argv = new PyList(Runtime.Runtime.PySys_GetObject("argv")))
{
using var v0 = argv[0];
using var v1 = argv[1];
Assert.AreEqual(args[0], v0.ToString());
Assert.AreEqual(args[1], v1.ToString());
}
}
}
// regression test for https://github.com/pythonnet/pythonnet/issues/1561
[Test]
public void ImportClassShutdownRefcount()
{
PythonEngine.Initialize();
PyObject ns = Py.Import(typeof(ImportClassShutdownRefcountClass).Namespace);
PyObject cls = ns.GetAttr(nameof(ImportClassShutdownRefcountClass));
BorrowedReference clsRef = cls.Reference;
#pragma warning disable CS0618 // Type or member is obsolete
cls.Leak();
#pragma warning restore CS0618 // Type or member is obsolete
ns.Dispose();
Assert.Less(Runtime.Runtime.Refcount32(clsRef), 256);
PythonEngine.Shutdown();
Assert.Greater(Runtime.Runtime.Refcount32(clsRef), 0);
}
/// <summary>
/// Failing test demonstrating current issue with OverflowException (#376)
/// and ArgumentException issue after that one is fixed.
/// More complex version of StartAndStopTwice test
/// </summary>
[Test]
[Ignore("GH#376: System.OverflowException : Arithmetic operation resulted in an overflow")]
//[Ignore("System.ArgumentException : Cannot pass a GCHandle across AppDomains")]
public void ReInitialize()
{
var code = "from System import Int32\n";
PythonEngine.Initialize();
using (Py.GIL())
{
// Import any class or struct from .NET
PythonEngine.RunSimpleString(code);
}
PythonEngine.Shutdown();
PythonEngine.Initialize();
using (Py.GIL())
{
// Import a class/struct from .NET
// This class/struct must be imported during the first initialization.
PythonEngine.RunSimpleString(code);
// Create an instance of the class/struct
// System.OverflowException Exception will be raised here.
// If replacing int with Int64, OverflowException will be replaced with AppDomain exception.
PythonEngine.RunSimpleString("Int32(1)");
}
PythonEngine.Shutdown();
}
/// <summary>
/// Helper for testing the shutdown handlers.
/// </summary>
int shutdown_count = 0;
void OnShutdownIncrement()
{
shutdown_count++;
}
void OnShutdownDouble()
{
shutdown_count *= 2;
}
/// <summary>
/// Test the shutdown handlers.
/// </summary>
[Test]
public void ShutdownHandlers()
{
// Test we can run one shutdown handler.
shutdown_count = 0;
PythonEngine.Initialize();
PythonEngine.AddShutdownHandler(OnShutdownIncrement);
PythonEngine.Shutdown();
Assert.That(shutdown_count, Is.EqualTo(1));
// Test we can run multiple shutdown handlers in the right order.
shutdown_count = 4;
PythonEngine.Initialize();
PythonEngine.AddShutdownHandler(OnShutdownIncrement);
PythonEngine.AddShutdownHandler(OnShutdownDouble);
PythonEngine.Shutdown();
// Correct: 4 * 2 + 1 = 9
// Wrong: (4 + 1) * 2 = 10
Assert.That(shutdown_count, Is.EqualTo(9));
// Test we can remove shutdown handlers, handling duplicates.
shutdown_count = 4;
PythonEngine.Initialize();
PythonEngine.AddShutdownHandler(OnShutdownIncrement);
PythonEngine.AddShutdownHandler(OnShutdownIncrement);
PythonEngine.AddShutdownHandler(OnShutdownDouble);
PythonEngine.AddShutdownHandler(OnShutdownIncrement);
PythonEngine.AddShutdownHandler(OnShutdownDouble);
PythonEngine.RemoveShutdownHandler(OnShutdownDouble);
PythonEngine.Shutdown();
// Correct: (4 + 1) * 2 + 1 + 1 = 12
// Wrong: (4 * 2) + 1 + 1 + 1 = 11
Assert.That(shutdown_count, Is.EqualTo(12));
}
}
public class ImportClassShutdownRefcountClass { }
}