using System;
using NUnit.Framework;
using Python.Runtime;
namespace Python.EmbeddingTest
{
public class TestPyString
{
[Test]
public void TestStringCtor()
{
const string expected = "foo";
var actual = new PyString(expected);
Assert.AreEqual(expected, actual.ToString());
}
[Test]
public void TestEmptyStringCtor()
{
const string expected = "";
var actual = new PyString(expected);
Assert.AreEqual(expected, actual.ToString());
}
[Test]
[Ignore("Ambiguous behavior between PY2/PY3. Needs remapping")]
public void TestPyObjectCtor()
{
const string expected = "Foo";
var t = new PyString(expected);
var actual = new PyString(t);
Assert.AreEqual(expected, actual.ToString());
}
[Test]
public void TestBadPyObjectCtor()
{
var t = new PyInt(5);
PyString actual = null;
var ex = Assert.Throws(() => actual = new PyString(t));
StringAssert.StartsWith("object is not a string", ex.Message);
Assert.IsNull(actual);
}
[Test]
public void TestCtorBorrowed()
{
const string expected = "foo";
var t = new PyString(expected);
var actual = new PyString(t.Reference);
Assert.AreEqual(expected, actual.ToString());
}
[Test]
[Ignore("Ambiguous behavior between PY2/PY3. Needs remapping")]
public void IsStringTrue()
{
var t = new PyString("foo");
Assert.True(PyString.IsStringType(t));
}
[Test]
public void IsStringFalse()
{
var t = new PyInt(5);
Assert.False(PyString.IsStringType(t));
}
[Test]
public void TestUnicode()
{
const string expected = "foo\u00e9";
PyObject actual = new PyString(expected);
Assert.AreEqual(expected, actual.ToString());
}
[Test]
public void TestUnicodeSurrogateToString()
{
var expected = "foo\ud83d\udc3c";
var actual = PythonEngine.Eval("'foo\ud83d\udc3c'");
Assert.AreEqual(4, actual.Length());
Assert.AreEqual(expected, actual.ToString());
}
[Test]
public void TestUnicodeSurrogate()
{
const string expected = "foo\ud83d\udc3c"; // "foo🐼"
PyObject actual = new PyString(expected);
// python treats "foo🐼" as 4 characters, dotnet as 5
Assert.AreEqual(4, actual.Length());
Assert.AreEqual(expected, actual.ToString());
}
[Test]
public void CompareTo()
{
var a = new PyString("foo");
Assert.AreEqual(0, a.CompareTo("foo"));
Assert.AreEqual("foo".CompareTo("bar"), a.CompareTo("bar"));
Assert.AreEqual("foo".CompareTo("foz"), a.CompareTo("foz"));
}
[Test]
public void Equals()
{
var a = new PyString("foo");
Assert.True(a.Equals("foo"));
Assert.False(a.Equals("bar"));
}
}
}