public void TestGetBytesToRead()
{
#region Arrange
StringBuilder inputString = new StringBuilder("zza");
var sut = new ReplaceStreamContentCore(null, null, 8, null);
#endregion
#region Act
var readCount = sut.InvokeProtectedOrPrivateMethod<Tuple<int, StringBuilder>>("getBytesToRead", inputString);
#endregion
#region Assert
readCount.Item1.Should().Be(5);
#endregion
}
public void TestDeleteWrittenBuffer()
{
#region Arrange
StringBuilder inputString = new StringBuilder("11aabzza");
var sut = new ReplaceStreamContentCore(null, null, 5, null);
#endregion
#region Act
var bufferRest = sut.InvokeProtectedOrPrivateMethod<StringBuilder>("deleteWrittenBuffer", new Tuple<int, StringBuilder>(5, inputString));
#endregion
#region Assert
bufferRest.ToString().Should().Be("zza");
#endregion
}
public void TestGetBytesToWrite02()
{
#region Arrange
StringBuilder inputString = new StringBuilder("11aabzza");
List<Replacement> replacements = new List<Replacement> { new Replacement { OldValue = "22", NewValue = "11" }, new Replacement { OldValue = "aaa", NewValue = "aab" } };
var sut = new ReplaceStreamContentCore(null, null, 8, replacements);
#endregion
#region Act
var outputTuple = sut.InvokeProtectedOrPrivateMethod<Tuple<int, StringBuilder>>("getBytesToWrite", new Tuple<int, StringBuilder>(4, inputString));
#endregion
#region Assert
outputTuple.Item1.Should().Be(5);
outputTuple.Item2.ToString().Should().Be("11aabzza");
#endregion
}
public void TestWriteBytes()
{
#region Arrange
string inputString = "11aabzza";
Stream input = GenerateStreamFromString(inputString);
MemoryStream outputStream = new MemoryStream();
List<Replacement> replacements = new List<Replacement> { new Replacement { OldValue = "22", NewValue = "11" }, new Replacement { OldValue = "aaa", NewValue = "aab" } };
var streamWriter = new StreamWriter(outputStream);
var sut = new ReplaceStreamContentCore(new StreamReader(input), streamWriter, 5, replacements);
#endregion
#region Act
var outputTuple = sut.InvokeProtectedOrPrivateMethod<Tuple<int, StringBuilder>>("writeBytes", new Tuple<int, StringBuilder>(5, new StringBuilder(inputString)));
streamWriter.Flush();
#endregion
#region Assert
outputTuple.Item1.Should().Be(5);
outputTuple.Item2.ToString().Should().Be("11aabzza");
outputStream.Position = 0;
string writtenString = Encoding.ASCII.GetString(outputStream.ToArray());
writtenString.Should().Be("11aab");
#endregion
}
public void TestReplace()
{
#region Arrange
StringBuilder inputString = new StringBuilder("12abz");
List<Replacement> replacements = new List<Replacement> { new Replacement { OldValue = "12", NewValue = "11" }, new Replacement { OldValue = "ab", NewValue = "aa" } };
var sut = new ReplaceStreamContentCore(null, null, 5, replacements);
#endregion
#region Act
var outputTuple = sut.InvokeProtectedOrPrivateMethod<Tuple<int, StringBuilder>>("replace", new Tuple<int, StringBuilder>(0, inputString));
#endregion
#region Assert
outputTuple.Item2.ToString().Should().Be("11aaz");
#endregion
}
public void TestReadBytes()
{
#region Arrange
Stream input = GenerateStreamFromString("abcdefg");
ReplaceStreamContentCore sut = new ReplaceStreamContentCore(new StreamReader(input), null, 5, null);
#endregion
#region Act
var erg = sut.InvokeProtectedOrPrivateMethod<StringBuilder>("readBytes", new Tuple<int, StringBuilder>(3, new StringBuilder()));
#endregion
#region Assert
erg.ToString().Should().Be("abc");
#endregion
}
public void TestGetLastEndPosition()
{
#region Arrange
StringBuilder inputString = new StringBuilder("12abz");
List<Replacement> replacements = new List<Replacement> { new Replacement { OldValue = "12", NewValue = "11" }, new Replacement { OldValue = "ab", NewValue = "aa" } };
var sut = new ReplaceStreamContentCore(null, null, 5, replacements);
#endregion
#region Act
var erg = sut.InvokeProtectedOrPrivateMethod<Tuple<int, StringBuilder>>("getLastEndPosition", inputString);
#endregion
#region Assert
erg.Item1.Should().Be(3);
#endregion
}
