public IChangeToken Watch(string filter)
{
var result = new TestChangeToken();
Tokens.Add(result);
return(result);
}
public void HasChangeFiresChange()
{
var token = new TestChangeToken();
bool fired = false;
ChangeToken.OnChange(() => token, () => fired = true);
Assert.False(fired);
token.Changed();
Assert.True(fired);
}
public void HasChangeFiresChange()
{
var token = new TestChangeToken();
bool fired = false;
ChangeToken.OnChange(() => token, () => fired = true);
Assert.False(fired);
token.Changed();
Assert.True(fired);
}
public void HasChangeFiresChangeWithState()
{
var token = new TestChangeToken();
object state = new object();
object callbackState = null;
ChangeToken.OnChange(() => token, s => callbackState = s, state);
Assert.Null(callbackState);
token.Changed();
Assert.Equal(state, callbackState);
}
public void HasChangeFiresChangeWithState()
{
var token = new TestChangeToken();
object state = new object();
object callbackState = null;
ChangeToken.OnChange(() => token, s => callbackState = s, state);
Assert.Null(callbackState);
token.Changed();
Assert.Equal(state, callbackState);
}
public void ChangesFireAfterExceptions()
{
TestChangeToken token = null;
var count = 0;
ChangeToken.OnChange(() => token = new TestChangeToken(), () =>
{
count++;
throw new Exception();
});
Assert.Throws <Exception>(() => token.Changed());
Assert.Equal(1, count);
Assert.Throws <Exception>(() => token.Changed());
Assert.Equal(2, count);
}
public void DisposesChangeTokenRegistrationsOnDispose()
{
var changeToken = new TestChangeToken();
var providerMock = new Mock <IConfigurationProvider>();
providerMock.Setup(p => p.GetReloadToken()).Returns(changeToken);
var config = new ConfigurationManager();
((IConfigurationBuilder)config).Add(new TestConfigurationSource(providerMock.Object));
Assert.NotEmpty(changeToken.Callbacks);
config.Dispose();
Assert.Empty(changeToken.Callbacks);
}
public void DisposesChangeTokenRegistrationsOnRemoval()
{
var changeToken = new TestChangeToken();
var providerMock = new Mock <IConfigurationProvider>();
providerMock.Setup(p => p.GetReloadToken()).Returns(changeToken);
var source = new TestConfigurationSource(providerMock.Object);
var config = new ConfigurationManager();
IConfigurationBuilder builder = config;
builder.Add(source);
Assert.NotEmpty(changeToken.Callbacks);
builder.Sources.Remove(source);
Assert.Empty(changeToken.Callbacks);
}
public void ChangesFireAfterExceptionsWithState()
{
TestChangeToken token = null;
var count = 0;
object state = new object();
object callbackState = null;
ChangeToken.OnChange(() => token = new TestChangeToken(), s =>
{
callbackState = s;
count++;
throw new Exception();
}, state);
Assert.Throws <Exception>(() => token.Changed());
Assert.Equal(1, count);
Assert.NotNull(callbackState);
Assert.Throws <Exception>(() => token.Changed());
Assert.Equal(2, count);
Assert.NotNull(callbackState);
}
public TestChangeTokenSource()
{
_changeToken = new TestChangeToken();
}
