public async Task Write_WritesCharValues_ToUnderlyingStream_WhenNotBuffering()
{
// Arrange
var inner = new Mock <TextWriter> {
CallBase = true
};
var buffer = new ViewBuffer(new TestViewBufferScope(), "some-name", pageSize: 4);
var writer = new ViewBufferTextWriter(buffer, Encoding.UTF8, new HtmlTestEncoder(), inner.Object);
var buffer1 = new[] { 'a', 'b', 'c', 'd' };
var buffer2 = new[] { 'd', 'e', 'f' };
// Act
writer.Flush();
writer.Write('x');
writer.Write(buffer1, 1, 2);
writer.Write(buffer2);
await writer.WriteAsync(buffer2, 1, 1);
await writer.WriteLineAsync(buffer1);
// Assert
inner.Verify(v => v.Write('x'), Times.Once());
inner.Verify(v => v.Write(buffer1, 1, 2), Times.Once());
inner.Verify(v => v.Write(buffer1, 0, 4), Times.Once());
inner.Verify(v => v.Write(buffer2, 0, 3), Times.Once());
inner.Verify(v => v.WriteAsync(buffer2, 1, 1), Times.Once());
inner.Verify(v => v.WriteLine(), Times.Once());
}
public void Write_WritesDataTypes_ToUnderlyingStream_WhenNotBuffering()
{
// Arrange
var expected = new[] { "True", "3", "18446744073709551615", "Hello world", "3.14", "2.718" };
var inner = new Mock <TextWriter>();
var buffer = new ViewBuffer(new TestViewBufferScope(), "some-name", pageSize: 4);
var writer = new ViewBufferTextWriter(buffer, Encoding.UTF8, new HtmlTestEncoder(), inner.Object);
var testClass = new TestClass();
// Act
writer.Flush();
writer.Write(true);
writer.Write(3);
writer.Write(ulong.MaxValue);
writer.Write(testClass);
writer.Write(3.14);
writer.Write(2.718m);
// Assert
Assert.Equal(0, buffer.Count);
foreach (var item in expected)
{
inner.Verify(v => v.Write(item), Times.Once());
}
}
public void Write_HtmlContent_AfterFlush_GoesToStream()
{
// Arrange
var inner = new StringWriter();
var buffer = new ViewBuffer(new TestViewBufferScope(), "some-name", pageSize: 4);
var writer = new ViewBufferTextWriter(buffer, Encoding.UTF8, new HtmlTestEncoder(), inner);
writer.Flush();
var content = new HtmlString("Hello, world!");
// Act
writer.Write(content);
// Assert
Assert.Equal("Hello, world!", inner.ToString());
}
public void Write_WritesDataTypes_ToBuffer()
{
// Arrange
var expected = new object[] { "True", "3", "18446744073709551615", "Hello world", "3.14", "2.718", "m" };
var buffer = new ViewBuffer(new TestViewBufferScope(), "some-name", pageSize: 4);
var writer = new ViewBufferTextWriter(buffer, Encoding.UTF8);
// Act
writer.Write(true);
writer.Write(3);
writer.Write(ulong.MaxValue);
writer.Write(new TestClass());
writer.Write(3.14);
writer.Write(2.718m);
writer.Write('m');
// Assert
Assert.Equal(expected, GetValues(buffer));
}
public async Task Write_WritesStringValues_ToUnbufferedStream_WhenNotBuffering()
{
// Arrange
var inner = new Mock <TextWriter>();
var buffer = new ViewBuffer(new TestViewBufferScope(), "some-name", pageSize: 4);
var writer = new ViewBufferTextWriter(buffer, Encoding.UTF8, new HtmlTestEncoder(), inner.Object);
// Act
await writer.FlushAsync();
writer.Write("a");
writer.WriteLine("ab");
await writer.WriteAsync("ef");
await writer.WriteLineAsync("gh");
// Assert
inner.Verify(v => v.Write("a"), Times.Once());
inner.Verify(v => v.WriteLine("ab"), Times.Once());
inner.Verify(v => v.WriteAsync("ef"), Times.Once());
inner.Verify(v => v.WriteLineAsync("gh"), Times.Once());
}
public async Task Write_WritesStringBuffer()
{
// Arrange
var newLine = Environment.NewLine;
var input1 = "Hello";
var input2 = "from";
var input3 = "ASP";
var input4 = ".Net";
var buffer = new ViewBuffer(new TestViewBufferScope(), "some-name", pageSize: 4);
var writer = new ViewBufferTextWriter(buffer, Encoding.UTF8);
// Act
writer.Write(input1);
writer.WriteLine(input2);
await writer.WriteAsync(input3);
await writer.WriteLineAsync(input4);
// Assert
var actual = GetValues(buffer);
Assert.Equal <object>(new[] { input1, input2, newLine, input3, input4, newLine }, actual);
}