public void CreateOutputOptions_should_return_expected_result()
{
var subject = new MapReduceLegacyOperation(_collectionNamespace, _mapFunction, _reduceFunction, _messageEncoderSettings);
var subjectReflector = new Reflector(subject);
var expectedResult = new BsonDocument("inline", 1);
var result = subjectReflector.CreateOutputOptions();
result.Should().Be(expectedResult);
}
public void constructor_should_initialize_instance()
{
var subject = new MapReduceLegacyOperation(_collectionNamespace, _mapFunction, _reduceFunction, _messageEncoderSettings);
subject.CollectionNamespace.Should().BeSameAs(_collectionNamespace);
subject.MapFunction.Should().BeSameAs(_mapFunction);
subject.MessageEncoderSettings.Should().BeSameAs(_messageEncoderSettings);
subject.Filter.Should().BeNull();
subject.ReduceFunction.Should().BeSameAs(_reduceFunction);
}
public void Execute_should_return_expected_results(
[Values(false, true)]
bool async)
{
EnsureTestData();
var mapFunction = "function() { emit(this.x, this.v); }";
var reduceFunction = "function(key, values) { var sum = 0; for (var i = 0; i < values.length; i++) { sum += values[i]; }; return sum; }";
var subject = new MapReduceLegacyOperation(_collectionNamespace, mapFunction, reduceFunction, _messageEncoderSettings);
var expectedResults = new List<BsonDocument>
{
new BsonDocument { {"_id", 1 }, { "value", 3 } },
new BsonDocument { {"_id", 2 }, { "value", 4 } },
};
var result = ExecuteOperation(subject, async);
result["results"].Should().Be(new BsonArray(expectedResults));
}
public void CreateCommand_should_include_read_concern_when_appropriate(
[Values(null, ReadConcernLevel.Local, ReadConcernLevel.Majority)] ReadConcernLevel? readConcernLevel)
{
var readConcern = new ReadConcern(readConcernLevel);
var mapFunction = "function() { emit(this.x, this.v); }";
var reduceFunction = "function(key, values) { var sum = 0; for (var i = 0; i < values.length; i++) { sum += values[i]; }; return sum; }";
var subject = new MapReduceLegacyOperation(_collectionNamespace, mapFunction, reduceFunction, _messageEncoderSettings)
{
ReadConcern = readConcern
};
var command = subject.CreateCommand(new SemanticVersion(3, 2, 0));
if (readConcern.IsServerDefault)
{
command.Contains("readConcern").Should().BeFalse();
}
else
{
command["readConcern"].Should().Be(readConcern.ToBsonDocument());
}
}
// constructor
public Reflector(MapReduceLegacyOperation instance)
{
_instance = instance;
}
public void Execute_should_throw_when_binding_is_null(
[Values(false, true)]
bool async)
{
var subject = new MapReduceLegacyOperation(_collectionNamespace, _mapFunction, _reduceFunction, _messageEncoderSettings);
IReadBinding binding = null;
Action act = () => ExecuteOperation(subject, binding, async);
act.ShouldThrow<ArgumentNullException>().And.ParamName.Should().Be("binding");
}
public void CreateCommand_should_throw_when_read_concern_is_not_supported()
{
var mapFunction = "function() { emit(this.x, this.v); }";
var reduceFunction = "function(key, values) { var sum = 0; for (var i = 0; i < values.length; i++) { sum += values[i]; }; return sum; }";
var subject = new MapReduceLegacyOperation(_collectionNamespace, mapFunction, reduceFunction, _messageEncoderSettings)
{
ReadConcern = ReadConcern.Majority
};
Action act = () => subject.CreateCommand(new SemanticVersion(3, 0, 0));
act.ShouldThrow<MongoClientException>();
}
