public void ExecuteAsync_should_throw_when_binding_is_null()
{
var subject = new ListDatabasesOperation(_messageEncoderSettings);
Func <Task> action = () => subject.ExecuteAsync(null, CancellationToken.None);
action.ShouldThrow <ArgumentNullException>().And.ParamName.Should().Be("binding");
}
// methods
public async Task <bool> ExecuteAsync(IReadBinding binding, TimeSpan timeout = default(TimeSpan), CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(binding, "binding");
var operation = new ListDatabasesOperation();
var result = await operation.ExecuteAsync(binding, timeout, cancellationToken);
return(result["databases"].AsBsonArray.Any(i => (string)i["name"] == _databaseName));
}
// methods
/// <inheritdoc/>
public async Task <bool> ExecuteAsync(IReadBinding binding, CancellationToken cancellationToken)
{
Ensure.IsNotNull(binding, "binding");
var operation = new ListDatabasesOperation(_messageEncoderSettings);
var result = await operation.ExecuteAsync(binding, cancellationToken).ConfigureAwait(false);
var list = await result.ToListAsync().ConfigureAwait(false);
return(list.Any(x => x["name"] == _databaseNamespace.DatabaseName));
}
public async Task ExecuteAsync_should_return_expected_result()
{
using (var binding = CoreTestConfiguration.GetReadWriteBinding())
{
var subject = new ListDatabasesOperation(_messageEncoderSettings);
EnsureDatabaseExists(binding);
var result = await subject.ExecuteAsync(binding, CancellationToken.None);
var list = await result.ToListAsync();
list.Should().Contain(x => x["name"] == _databaseNamespace.DatabaseName);
}
}
