public void UTf8StreamReplacer_SimpleReplaceTest_Offset()
{
var cases = new[]
{
new { Offset = 0, Count = 23, Match = "Hello", Replace = "Daniel", Input = "123456789Hello123456789", Expected = "123456789Daniel123456789" },
new { Offset = 0, Count = 12, Match = "Hello", Replace = "Daniel", Input = "123456789Hello123456789", Expected = "123456789Hel" },
new { Offset = 5, Count = 12, Match = "Hello", Replace = "Daniel", Input = "123456789Hello123456789", Expected = "6789Daniel123" },
new { Offset = 8, Count = 6, Match = "Hello", Replace = "Daniel", Input = "123456789Hello123456789", Expected = "9Daniel" },
}
.ToList();
cases.ForEach(val =>
{
var bytes = Encoding.UTF8.GetBytes(val.Input);
var memoryStream = new MemoryStream();
var testStream = new UTf8StreamReplacer(memoryStream, val.Match, val.Replace);
testStream.Write(bytes, val.Offset, val.Count);
testStream.Flush();
var result = Encoding.UTF8.GetString(memoryStream.ToArray());
Assert.AreEqual(val.Expected, result);
});
}
public void UTf8StreamReplacer_DelimitedReplaceTest_Offset()
{
var cases = new[]
{
new { Offset = 0, Count = 25, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456789{Hello}123456789", Expected = "123456789Daniel123456789" },
new { Offset = 0, Count = 12, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456789{Hello}123456789", Expected = "123456789{He" },
new { Offset = 5, Count = 12, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456789{Hello}123456789", Expected = "6789Daniel1" },
new { Offset = 8, Count = 8, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456789{Hello}123456789", Expected = "9Daniel" },
}
.ToList();
cases.ForEach(val =>
{
var bytes = Encoding.UTF8.GetBytes(val.Input);
var memoryStream = new MemoryStream();
var testStream = new UTf8StreamReplacer(memoryStream, val.Replacer, val.StartDelim, val.EndDelim);
testStream.Write(bytes, val.Offset, val.Count);
testStream.Flush();
var result = Encoding.UTF8.GetString(memoryStream.ToArray());
Assert.AreEqual(val.Expected, result);
});
}
public void UTf8StreamReplacerTest_DelimitedReplaceTest()
{
var cases = new[]
{
// varying buffer sizes
new { BufferSize = 5, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456{Hello}123456", Expected = "123456Daniel123456" },
new { BufferSize = 10, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456{Hello}123456", Expected = "123456Daniel123456" },
new { BufferSize = 20, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456{Hello}123456", Expected = "123456Daniel123456" },
// varying start delimiter
new { BufferSize = 10, StartDelim = "{{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456{{Hello}123456", Expected = "123456Daniel123456" },
new { BufferSize = 10, StartDelim = "{{{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456{{{Hello}123456", Expected = "123456Daniel123456" },
// varying end delimiter
new { BufferSize = 10, StartDelim = "{", EndDelim = "}}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456{Hello}}123456", Expected = "123456Daniel123456" },
new { BufferSize = 10, StartDelim = "{", EndDelim = "}}}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456{Hello}}}123456", Expected = "123456Daniel123456" },
// diff delimiter positions
new { BufferSize = 10, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "{Hello}123456789", Expected = "Daniel123456789" },
new { BufferSize = 10, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "123456789{Hello}", Expected = "123456789Daniel" },
// partial delimiter matches
new { BufferSize = 10, StartDelim = "{{", EndDelim = "}}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "1{123{{Hello}}123", Expected = "1{123Daniel123" },
new { BufferSize = 10, StartDelim = "{{", EndDelim = "}}", Replacer = (StringReplacer)((str) => "Daniel"), Input = "1{{Hello}123}}123", Expected = "1Daniel123" },
// varying replacers
new { BufferSize = 10, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => str == "Hello" ? "Ben" : ""), Input = "123456{Hello}123456", Expected = "123456Ben123456" },
new { BufferSize = 10, StartDelim = "{", EndDelim = "}", Replacer = (StringReplacer)((str) => str == "Hello" ? "Ben" : str == "World" ? "Bob" : ""), Input = "123456{Hello}123456{World}", Expected = "123456Ben123456Bob" },
}
.ToList();
cases.ForEach(val =>
{
var bytes = Encoding.UTF8.GetBytes(val.Input);
var memoryStream = new MemoryStream();
var testStream = new UTf8StreamReplacer(memoryStream, val.Replacer, val.StartDelim, val.EndDelim);
var chunks = bytes.Split(val.BufferSize);
foreach (var c in chunks)
{
testStream.Write(c, 0, c.Length);
}
testStream.Flush();
var result = Encoding.UTF8.GetString(memoryStream.ToArray());
Assert.AreEqual(val.Expected, result);
});
}
public void UTf8StreamReplacer_SimpleReplaceTest()
{
var cases = new[]
{
// varying buffer sizes
new { BufferSize = 5, Match = "Hello", Replace = "Daniel", Input = "123456789Hello123456789", Expected = "123456789Daniel123456789" },
new { BufferSize = 10, Match = "Hello", Replace = "Daniel", Input = "123456789Hello123456789", Expected = "123456789Daniel123456789" },
new { BufferSize = 20, Match = "Hello", Replace = "Daniel", Input = "123456789Hello123456789", Expected = "123456789Daniel123456789" },
// diff match positions
new { BufferSize = 10, Match = "Hello", Replace = "Daniel", Input = "Hello123456789", Expected = "Daniel123456789" },
new { BufferSize = 10, Match = "Hello", Replace = "Daniel", Input = "123456789Hello", Expected = "123456789Daniel" },
// partial matching
new { BufferSize = 10, Match = "Hello", Replace = "Daniel", Input = "HHeHelHellHello", Expected = "HHeHelHellDaniel" },
new { BufferSize = 10, Match = "Hello", Replace = "Daniel", Input = "HHeHelHellHelloHell", Expected = "HHeHelHellDanielHell" },
}
.ToList();
cases.ForEach(val =>
{
var bytes = Encoding.UTF8.GetBytes(val.Input);
var memoryStream = new MemoryStream();
var testStream = new UTf8StreamReplacer(memoryStream, val.Match, val.Replace);
var chunks = bytes.Split(val.BufferSize);
foreach (var c in chunks)
{
testStream.Write(c, 0, c.Length);
}
testStream.Flush();
var result = Encoding.UTF8.GetString(memoryStream.ToArray());
Assert.AreEqual(val.Expected, result);
});
}
