public void Open_Path_Throws_FileNotFoundException()
{
IFileSystem target = new DotNetFxFileSystem();
Assert.Throws<FileNotFoundException>(
() =>
{
using (var stream = target.Open("existing1.txt")) { }
});
}
public void Create_Path_Creates_New_File()
{
IFileSystem target = new DotNetFxFileSystem();
using (var stream = target.Create("new1.txt")) { }
Assert.True(File.Exists("new1.txt"));
using (var stream = target.Open("new1.txt")) { }
File.Delete("new1.txt");
}
public void ReadUtf8Text_Read_String_From_Stream()
{
IFileSystem target = new DotNetFxFileSystem();
var expceted = "κόσμε";
string actual;
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(expceted)))
{
actual = target.ReadUtf8Text(stream);
}
Assert.Equal(expceted, actual);
}
public void ReadBinary_Read_All_Bytes_From_Stream()
{
IFileSystem target = new DotNetFxFileSystem();
var expceted = new byte[] { 0x12, 0x34, 0x56, 0x67 };
byte[] actual;
using (var stream = new MemoryStream(expceted))
{
actual = target.ReadBinary(stream);
}
Assert.Equal(expceted, actual);
}
public void WriteBinary_Write_All_Bytes_To_Stream()
{
IFileSystem target = new DotNetFxFileSystem();
var expceted = new byte[] { 0x12, 0x34, 0x56, 0x67 };
byte[] actual;
using (var stream = new MemoryStream())
{
target.WriteBinary(stream, expceted);
actual = stream.ToArray();
}
Assert.Equal(expceted, actual);
}
public void WriteUtf8Text_Write_String_To_Stream()
{
IFileSystem target = new DotNetFxFileSystem();
var expceted = "κόσμε";
byte[] actual;
using (var stream = new MemoryStream())
{
target.WriteUtf8Text(stream, expceted);
actual = stream.ToArray();
}
var excpetedBytes = Encoding.UTF8.GetBytes(expceted);
var actualBytesWithoutPreamble = actual.Skip(3).ToArray();
Assert.Equal(excpetedBytes, actualBytesWithoutPreamble);
}
public void Implements_IFileSystem_Interface()
{
var target = new DotNetFxFileSystem();
Assert.True(target is IFileSystem);
}
public void WriteUtf8Text_Write_String_To_Path()
{
IFileSystem target = new DotNetFxFileSystem();
var expceted = "κόσμε";
target.WriteUtf8Text("new2.txt", expceted);
Assert.True(File.Exists("new2.txt"));
var actual = target.ReadUtf8Text("new2.txt");
Assert.Equal(expceted, actual);
File.Delete("new2.txt");
}
public void ReadUtf8Text_Read_String_From_Path()
{
IFileSystem target = new DotNetFxFileSystem();
Assert.Throws<FileNotFoundException>(
() =>
{
target.ReadUtf8Text("existing2.txt");
});
}
