private void AssertCommandAspect(BsonDocument actualCommand, string name, BsonValue expectedValue)
{
var commandName = actualCommand.ElementCount == 0 ? "<unknown>" : actualCommand.GetElement(0).Name;
if (expectedValue.IsBsonNull)
{
switch (name)
{
case "allowDiskUse":
case "autocommit":
case "readConcern":
case "recoveryToken":
case "startTransaction":
case "txnNumber":
case "writeConcern":
case "maxTimeMS":
if (actualCommand.Contains(name))
{
throw new AssertionFailedException($"Did not expect field '{name}' in command: {actualCommand.ToJson()}.");
}
return;
}
}
if (!actualCommand.Contains(name))
{
// some missing fields are only missing because the C# driver omits default values
switch (name)
{
case "new":
if (commandName == "findAndModify" && expectedValue == false)
{
return;
}
break;
case "cursor" when commandName == "listCollections":
return;
}
throw new AssertionFailedException($"Expected field '{name}' in command: {actualCommand.ToJson()}.");
}
var actualValue = actualCommand[name];
if (name == "updates")
{
AdaptExpectedUpdateModels(actualValue.AsBsonArray.Cast <BsonDocument>().ToList(), expectedValue.AsBsonArray.Cast <BsonDocument>().ToList());
}
var namesToUseOrderInsensitiveComparisonWith = new[] { "writeConcern", "maxTimeMS", "updates", "indexes", "getMore" };
var useOrderInsensitiveComparison = namesToUseOrderInsensitiveComparisonWith.Contains(name);
if (!(useOrderInsensitiveComparison ? BsonValueEquivalencyComparer.Compare(actualValue, expectedValue) : actualValue.Equals(expectedValue)))
{
switch (name)
{
case "out":
if (commandName == "mapReduce")
{
if (expectedValue is BsonString &&
actualValue.IsBsonDocument &&
actualValue.AsBsonDocument.Contains("replace") &&
actualValue["replace"] == expectedValue.AsString)
{
// allow short form for "out" to be equivalent to the long form
// Assumes that the driver is correctly generating the following
// fields: db, sharded, nonAtomic
return;
}
}
break;
}
throw new AssertionFailedException($"Expected field '{name}' in command '{commandName}' to be {expectedValue.ToJson()} but found {actualValue.ToJson()}.");
}
}