public async Task UpdateAsync_DoesNotInvoke_OnChangeRegistration_AfterDispose()
{
// Arrange
var expectedOptions = new RazorLSPOptions(Trace.Messages, enableFormatting: false, autoClosingTags: true);
var configService = Mock.Of <RazorConfigurationService>(f => f.GetLatestOptionsAsync(CancellationToken.None) == Task.FromResult(expectedOptions));
var optionsMonitor = new RazorLSPOptionsMonitor(configService, Cache);
var called = false;
var onChangeToken = optionsMonitor.OnChange(options =>
{
called = true;
});
// Act 1
await optionsMonitor.UpdateAsync(CancellationToken.None);
// Assert 1
Assert.True(called, "Registered callback was not called.");
// Act 2
called = false;
onChangeToken.Dispose();
await optionsMonitor.UpdateAsync(CancellationToken.None);
// Assert 2
Assert.False(called, "Registered callback called even after dispose.");
}
public async Task <Unit> Handle(DidChangeConfigurationParams request, CancellationToken cancellationToken)
{
_logger.LogTrace("Settings changed. Updating the server.");
await _optionsMonitor.UpdateAsync();
return(new Unit());
}
public async Task UpdateAsync_ConfigReturnsNull_DoesNotInvoke_OnChangeRegistration()
{
// Arrange
var configService = new Mock <RazorConfigurationService>(MockBehavior.Strict).Object;
Mock.Get(configService).Setup(s => s.GetLatestOptionsAsync(CancellationToken.None)).ReturnsAsync(value: null);
var optionsMonitor = new RazorLSPOptionsMonitor(configService, Cache);
var called = false;
var onChangeToken = optionsMonitor.OnChange(options => called = true);
// Act
await optionsMonitor.UpdateAsync(CancellationToken.None);
// Assert
Assert.False(called, "Registered callback called even when GetLatestOptionsAsync() returns null.");
}
public async Task UpdateAsync_ConfigReturnsNull_DoesNotInvoke_OnChangeRegistration()
{
// Arrange
var configService = Mock.Of <RazorConfigurationService>();
var optionsMonitor = new RazorLSPOptionsMonitor(configService, Cache);
var called = false;
var onChangeToken = optionsMonitor.OnChange(options =>
{
called = true;
});
// Act
await optionsMonitor.UpdateAsync(CancellationToken.None);
// Assert
Assert.False(called, "Registered callback called even when GetLatestOptionsAsync() returns null.");
}
public async Task UpdateAsync_Invokes_OnChangeRegistration()
{
// Arrange
var expectedOptions = new RazorLSPOptions(Trace.Messages, enableFormatting: false, autoClosingTags: true, insertSpaces: true, tabSize: 4);
var configService = Mock.Of <RazorConfigurationService>(f => f.GetLatestOptionsAsync(CancellationToken.None) == Task.FromResult(expectedOptions), MockBehavior.Strict);
var optionsMonitor = new RazorLSPOptionsMonitor(configService, Cache);
var called = false;
// Act & Assert
optionsMonitor.OnChange(options =>
{
called = true;
Assert.Same(expectedOptions, options);
});
await optionsMonitor.UpdateAsync(CancellationToken.None);
Assert.True(called, "Registered callback was not called.");
}