public void RaiseChangeEvents_CancelsCancellationTokenSourceForExpiredTokens()
{
// Arrange
var cts1 = new CancellationTokenSource();
var cts2 = new CancellationTokenSource();
var cts3 = new CancellationTokenSource();
var token1 = new TestPollingChangeToken {
Id = 1, CancellationTokenSource = cts1
};
var token2 = new TestPollingChangeToken {
Id = 2, HasChanged = true, CancellationTokenSource = cts2
};
var token3 = new TestPollingChangeToken {
Id = 3, CancellationTokenSource = cts3
};
var tokens = new ConcurrentDictionary <IPollingChangeToken, IPollingChangeToken>
{
[token1] = token1,
[token2] = token2,
[token3] = token3,
};
// Act
PhysicalFilesWatcher.RaiseChangeEvents(tokens);
// Assert
Assert.False(cts1.IsCancellationRequested);
Assert.False(cts3.IsCancellationRequested);
Assert.True(cts2.IsCancellationRequested);
// Ensure token2 is removed from the collection.
Assert.Equal(new[] { token1, token3, }, tokens.Keys.OfType <TestPollingChangeToken>().OrderBy(t => t.Id));
}
public void RaiseChangeEvents_CancelsAndRemovesMultipleChangedTokens()
{
// Arrange
var cts1 = new CancellationTokenSource();
var cts2 = new CancellationTokenSource();
var cts3 = new CancellationTokenSource();
var cts4 = new CancellationTokenSource();
var cts5 = new CancellationTokenSource();
var token1 = new TestPollingChangeToken {
Id = 1, HasChanged = true, CancellationTokenSource = cts1
};
var token2 = new TestPollingChangeToken {
Id = 2, CancellationTokenSource = cts2
};
var token3 = new TestPollingChangeToken {
Id = 3, CancellationTokenSource = cts3
};
var token4 = new TestPollingChangeToken {
Id = 4, HasChanged = true, CancellationTokenSource = cts4
};
var token5 = new TestPollingChangeToken {
Id = 5, HasChanged = true, CancellationTokenSource = cts5
};
var tokens = new ConcurrentDictionary <IPollingChangeToken, IPollingChangeToken>
{
[token1] = token1,
[token2] = token2,
[token3] = token3,
[token4] = token4,
[token5] = token5,
};
// Act
PhysicalFilesWatcher.RaiseChangeEvents(tokens);
// Assert
Assert.False(cts2.IsCancellationRequested);
Assert.False(cts3.IsCancellationRequested);
Assert.True(cts1.IsCancellationRequested);
Assert.True(cts4.IsCancellationRequested);
Assert.True(cts5.IsCancellationRequested);
// Ensure changed tokens are removed
Assert.Equal(new[] { token2, token3, }, tokens.Keys.OfType <TestPollingChangeToken>().OrderBy(t => t.Id));
}