public void Execute_should_send_session_id_when_supported(
[Values(false, true)] bool async)
{
RequireServer.Check();
EnsureTestData();
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
VerifySessionIdWasSentWhenSupported(subject, "mapreduce", async);
}
public void CreateOutputOptions_should_return_expected_result()
{
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
var subjectReflector = new Reflector(subject);
var result = subjectReflector.CreateOutputOptions();
result.Should().Be("{ inline : 1 }");
}
public void ResultSerializer_should_get_value()
{
#pragma warning disable CS0618 // Type or member is obsolete
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
#pragma warning restore CS0618 // Type or member is obsolete
var result = subject.ResultSerializer;
result.Should().BeSameAs(_resultSerializer);
}
public void Execute_should_throw_when_binding_is_null(
[Values(false, true)]
bool async)
{
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
Action act = () => ExecuteOperation(subject, null, async);
act.ShouldThrow <ArgumentNullException>().And.ParamName.Should().Be("binding");
}
public void ReadConcern_set_should_throw_when_value_is_null()
{
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
var exception = Record.Exception(() => subject.ReadConcern = null);
var argumentNullException = exception.Should().BeOfType <ArgumentNullException>().Subject;
argumentNullException.ParamName.Should().Be("value");
}
public void CreateOutputOptions_should_return_expected_result()
{
#pragma warning disable CS0618 // Type or member is obsolete
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
#pragma warning restore CS0618 // Type or member is obsolete
var subjectReflector = new Reflector(subject);
var result = subjectReflector.CreateOutputOptions();
result.Should().Be("{ inline : 1 }");
}
public void CreateCommand_should_throw_when_ReadConcern_is_set_but_not_supported()
{
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
{
ReadConcern = ReadConcern.Majority
};
var exception = Record.Exception(() => subject.CreateCommand(Feature.ReadConcern.LastNotSupportedVersion));
exception.Should().BeOfType <MongoClientException>();
}
public void constructor_should_initialize_instance()
{
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _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);
subject.ResultSerializer.Should().BeSameAs(_resultSerializer);
}
public void Execute_should_throw_when_binding_is_null(
[Values(false, true)]
bool async)
{
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
var exception = Record.Exception(() => ExecuteOperation(subject, (IReadBinding)null, async));
var argumentNullException = exception.Should().BeOfType <ArgumentNullException>().Subject;
argumentNullException.ParamName.Should().Be("binding");
}
public void ReadConcern_get_and_set_should_work(
[Values(ReadConcernLevel.Linearizable, ReadConcernLevel.Local)]
ReadConcernLevel level)
{
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
var value = new ReadConcern(level);
subject.ReadConcern = value;
var result = subject.ReadConcern;
result.Should().Be(value);
}
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 MapReduceOperation <BsonDocument>(_collectionNamespace, mapFunction, reduceFunction, _resultSerializer, _messageEncoderSettings)
{
ReadConcern = ReadConcern.Majority
};
Action act = () => subject.CreateCommand(new SemanticVersion(3, 0, 0));
act.ShouldThrow <MongoClientException>();
}
// constructors
public Builder(MapReduceOperation other)
{
_collectionName = other.CollectionName;
_databaseName = other.DatabaseName;
_finalizeFunction = other.FinalizeFunction;
_javaScriptMode = other.JavaScriptMode;
_limit = other.Limit;
_mapFunction = other.MapFunction;
_query = other.Query;
_reduceFunction = other.ReduceFunction;
_scope = other.Scope;
_sort = other.Sort;
_verbose = other.Verbose;
}
public void Execute_should_return_expected_results_when_ResultSerializer_is_set(
[Values(false, true)]
bool async)
{
RequireServer.Check();
EnsureTestData();
var resultSerializer = new ElementDeserializer <double>("value", new DoubleSerializer());
var subject = new MapReduceOperation <double>(_collectionNamespace, _mapFunction, _reduceFunction, resultSerializer, _messageEncoderSettings);
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
results.Should().Equal(3, 4);
}
public void Execute_should_return_expected_results(
[Values(false, true)]
bool async)
{
RequireServer.Check();
EnsureTestData();
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
results.Should().Equal(
BsonDocument.Parse("{ _id : 1, value : 3 }"),
BsonDocument.Parse("{ _id : 2, value : 4 }"));
}
public void Execute_should_throw_when_maxTime_is_exceeded(
[Values(false, true)] bool async)
{
RequireServer.Check().Supports(Feature.FailPoints).ClusterTypes(ClusterType.Standalone, ClusterType.ReplicaSet);
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
subject.MaxTime = TimeSpan.FromSeconds(9001);
using (var failPoint = FailPoint.ConfigureAlwaysOn(_cluster, _session, FailPointName.MaxTimeAlwaysTimeout))
{
var exception = Record.Exception(() => ExecuteOperation(subject, failPoint.Binding, async));
exception.Should().BeOfType <MongoExecutionTimeoutException>();
}
}
public void Execute_should_throw_when_ReadConcern_is_set_but_not_supported(
[Values(false, true)]
bool async)
{
RequireServer.Check().DoesNotSupport(Feature.ReadConcern);
EnsureTestData();
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
{
ReadConcern = new ReadConcern(ReadConcernLevel.Local)
};
var exception = Record.Exception(() => ExecuteOperation(subject, async));
exception.Should().BeOfType <MongoClientException>();
}
public void Execute_should_return_expected_results_when_FinalizeFunction_is_set(
[Values(false, true)]
bool async)
{
RequireServer.Check();
EnsureTestData();
var finalizeFunction = new BsonJavaScript("function(key, reduced) { return -reduced; }");
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
{
FinalizeFunction = finalizeFunction
};
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
results.Should().Equal(
BsonDocument.Parse("{ _id : 1, value : -3 }"),
BsonDocument.Parse("{ _id : 2, value : -4 }"));
}
public void Execute_should_return_expected_results_when_Collation_is_set(
[Values(false, true)]
bool caseSensitive,
[Values(false, true)]
bool async)
{
RequireServer.Check();
EnsureTestData();
var collation = new Collation("en_US", caseLevel: caseSensitive, strength: CollationStrength.Primary);
var filter = BsonDocument.Parse("{ y : 'a' }");
#pragma warning disable CS0618 // Type or member is obsolete
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
#pragma warning restore CS0618 // Type or member is obsolete
{
Collation = collation,
Filter = filter
};
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
BsonDocument[] expectedResults;
if (caseSensitive)
{
expectedResults = new[]
{
BsonDocument.Parse("{ _id : 1, value : 1 }"),
BsonDocument.Parse("{ _id : 2, value : 4 }")
};
}
else
{
expectedResults = new[]
{
BsonDocument.Parse("{ _id : 1, value : 3 }"),
BsonDocument.Parse("{ _id : 2, value : 4 }")
};
}
results.Should().BeEquivalentTo(expectedResults);
}
public void constructor_should_initialize_instance()
{
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings);
subject.CollectionNamespace.Should().BeSameAs(_collectionNamespace);
subject.MapFunction.Should().BeSameAs(_mapFunction);
subject.ReduceFunction.Should().BeSameAs(_reduceFunction);
subject.ResultSerializer.Should().BeSameAs(_resultSerializer);
subject.MessageEncoderSettings.Should().BeSameAs(_messageEncoderSettings);
subject.Collation.Should().BeNull();
subject.Filter.Should().BeNull();
subject.FinalizeFunction.Should().BeNull();
subject.JavaScriptMode.Should().NotHaveValue();
subject.Limit.Should().NotHaveValue();
subject.MaxTime.Should().NotHaveValue();
subject.ReadConcern.Should().BeSameAs(ReadConcern.Default);
subject.Scope.Should().BeNull();
subject.Sort.Should().BeNull();
subject.Verbose.Should().NotHaveValue();
}
public void Execute_should_return_expected_results_when_MaxTime_is_set(
[Values(null, 1000)]
int?seconds,
[Values(false, true)]
bool async)
{
RequireServer.Check().Supports(Feature.MaxTime);
EnsureTestData();
var maxTime = seconds.HasValue ? TimeSpan.FromSeconds(seconds.Value) : (TimeSpan?)null;
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
{
MaxTime = maxTime
};
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
// results should be the same whether MaxTime was used or not
results.Should().Equal(
BsonDocument.Parse("{ _id : 1, value : 3 }"),
BsonDocument.Parse("{ _id : 2, value : 4 }"));
}
public void Execute_should_return_expected_results_when_Sort_is_set(
[Values(1, -1)]
int direction,
[Values(false, true)]
bool async)
{
RequireServer.Check();
EnsureTestData();
var sort = new BsonDocument("_id", direction);
#pragma warning disable CS0618 // Type or member is obsolete
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
#pragma warning restore CS0618 // Type or member is obsolete
{
Limit = 2,
Sort = sort
};
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
BsonDocument[] expectedResults;
if (direction == 1)
{
expectedResults = new[]
{
BsonDocument.Parse("{ _id : 1, value : 3 }")
};
}
else
{
expectedResults = new[]
{
BsonDocument.Parse("{ _id : 1, value : 2 }"),
BsonDocument.Parse("{ _id : 2, value : 4 }")
};
}
results.Should().BeEquivalentTo(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 MapReduceOperation <BsonDocument>(_collectionNamespace, mapFunction, reduceFunction, _resultSerializer, _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());
}
}
public void Execute_should_return_expected_results_when_ReadConcern_is_set(
[Values(null, ReadConcernLevel.Local)] // only use values that are valid on StandAlone servers
ReadConcernLevel?readConcernLevel,
[Values(false, true)]
bool async)
{
RequireServer.Check().Supports(Feature.ReadConcern);
EnsureTestData();
var readConcern = new ReadConcern(readConcernLevel);
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
{
ReadConcern = readConcern
};
// results should be the same whether ReadConcern was used or not
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
results.Should().Equal(
BsonDocument.Parse("{ _id : 1, value : 3 }"),
BsonDocument.Parse("{ _id : 2, value : 4 }"));
}
public void Execute_should_return_expected_results_when_Filter_is_set(
[Values(false, true)]
bool async)
{
RequireServer.Check();
EnsureTestData();
var filter = BsonDocument.Parse("{ y : 'a' }");
#pragma warning disable CS0618 // Type or member is obsolete
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
#pragma warning restore CS0618 // Type or member is obsolete
{
Filter = filter
};
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
results.Should().BeEquivalentTo(
BsonDocument.Parse("{ _id : 1, value : 1 }"),
BsonDocument.Parse("{ _id : 2, value : 4 }"));
}
public async Task ExecuteAsync_should_return_expected_results()
{
await EnsureTestDataAsync();
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 MapReduceOperation <BsonDocument>(_collectionNamespace, mapFunction, reduceFunction, _resultSerializer, _messageEncoderSettings);
var expectedResults = new List <BsonDocument>
{
new BsonDocument {
{ "_id", 1 }, { "value", 3 }
},
new BsonDocument {
{ "_id", 2 }, { "value", 4 }
},
};
var cursor = await ExecuteOperationAsync(subject);
var results = await cursor.ToListAsync();
results.Should().Equal(expectedResults);
}
public void CreateCommand_should_return_expected_result_when_ReadConcern_is_set(
[Values(null, ReadConcernLevel.Linearizable, ReadConcernLevel.Local)]
ReadConcernLevel?level)
{
var readConcern = level.HasValue ? new ReadConcern(level.Value) : ReadConcern.Default;
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
{
ReadConcern = readConcern
};
var result = subject.CreateCommand(Feature.ReadConcern.FirstSupportedVersion);
var expectedResult = new BsonDocument
{
{ "mapreduce", _collectionNamespace.CollectionName },
{ "map", _mapFunction },
{ "reduce", _reduceFunction },
{ "out", new BsonDocument("inline", 1) },
{ "readConcern", () => readConcern.ToBsonDocument(), !readConcern.IsServerDefault }
};
result.Should().Be(expectedResult);
}
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 MapReduceOperation <BsonDocument>(_collectionNamespace, mapFunction, reduceFunction, _resultSerializer, _messageEncoderSettings);
var expectedResults = new List <BsonDocument>
{
new BsonDocument {
{ "_id", 1 }, { "value", 3 }
},
new BsonDocument {
{ "_id", 2 }, { "value", 4 }
},
};
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
results.Should().Equal(expectedResults);
}
public void Execute_should_return_expected_results_when_Scope_is_set(
[Values(false, true)]
bool async)
{
RequireServer.Check();
EnsureTestData();
var finalizeFunction = new BsonJavaScript("function(key, reduced) { return reduced + zeroFromScope; }");
var scope = new BsonDocument("zeroFromScope", 0);
#pragma warning disable CS0618 // Type or member is obsolete
var subject = new MapReduceOperation <BsonDocument>(_collectionNamespace, _mapFunction, _reduceFunction, _resultSerializer, _messageEncoderSettings)
#pragma warning restore CS0618 // Type or member is obsolete
{
FinalizeFunction = finalizeFunction,
Scope = scope
};
var cursor = ExecuteOperation(subject, async);
var results = ReadCursorToEnd(cursor, async);
results.Should().BeEquivalentTo(
BsonDocument.Parse("{ _id : 1, value : 3 }"),
BsonDocument.Parse("{ _id : 2, value : 4 }"));
}
// constructor
public Reflector(MapReduceOperation <BsonDocument> instance)
{
_instance = instance;
}