Rename references to MongoDB version 2.8 to 3.0

Author: estolfo

lib/mongo/db.rb

@@ -259,7 +259,7 @@ def remove_user(username)
     #
     # @return [Array]
     def collection_names
-      if @client.wire_version_feature?(Mongo::MongoClient::MONGODB_2_8)
+      if @client.wire_version_feature?(Mongo::MongoClient::MONGODB_3_0)
         names = collections_info.collect { |doc| doc['name'] || '' }
         names.delete_if do |name|
           name.index('$')
@@ -286,7 +286,7 @@ def collections
     #
     # @return [Array] List of collection info.
     def collections_info(coll_name=nil)
-      if @client.wire_version_feature?(Mongo::MongoClient::MONGODB_2_8)
+      if @client.wire_version_feature?(Mongo::MongoClient::MONGODB_3_0)
         cmd = BSON::OrderedHash[:listCollections, 1]
         cmd.merge!(:filter => { :name => coll_name }) if coll_name
         result = self.command(cmd, :cursor => {})
@@ -508,7 +508,7 @@ def drop_index(collection_name, index_name)
     # @return [Hash] keys are index names and the values are lists of [key, type] pairs
     #   defining the index.
     def index_information(collection_name)
-      if @client.wire_version_feature?(Mongo::MongoClient::MONGODB_2_8)
+      if @client.wire_version_feature?(Mongo::MongoClient::MONGODB_3_0)
         result = self.command({ :listIndexes => collection_name }, :cursor => {})
         if result.key?('cursor')
           cursor_info = result['cursor']

lib/mongo/mongo_client.rb

@@ -25,8 +25,8 @@ class MongoClient
     RELEASE_2_4_AND_BEFORE = 0 # Everything before we started tracking.
     AGG_RETURNS_CURSORS    = 1 # The aggregation command may now be requested to return cursors.
     BATCH_COMMANDS         = 2 # insert, update, and delete batch command
-    MONGODB_2_8            = 3 # listCollections and listIndexes commands, SCRAM-SHA-1 auth mechanism
-    MAX_WIRE_VERSION       = MONGODB_2_8 # supported by this client implementation
+    MONGODB_3_0            = 3 # listCollections and listIndexes commands, SCRAM-SHA-1 auth mechanism
+    MAX_WIRE_VERSION       = MONGODB_3_0 # supported by this client implementation
     MIN_WIRE_VERSION       = RELEASE_2_4_AND_BEFORE # supported by this client implementation
 
     # Server command headroom
@@ -342,7 +342,7 @@ def copy_database(
       password = nil,
       mechanism = 'SCRAM-SHA-1'
     )
-      if wire_version_feature?(MONGODB_2_8) && mechanism == 'SCRAM-SHA-1'
+      if wire_version_feature?(MONGODB_3_0) && mechanism == 'SCRAM-SHA-1'
         copy_db_scram(username, password, from_host, from, to)
       else
         copy_db_mongodb_cr(username, password, from_host, from, to)

test/replica_set/insert_test.rb

@@ -68,7 +68,7 @@ def test_insert
     end
 
     should "handle error with deferred write concern error - spec Merging Results" do
-      if @client.wire_version_feature?(MongoClient::MONGODB_2_8)
+      if @client.wire_version_feature?(MongoClient::MONGODB_3_0)
         @coll.remove
         @coll.ensure_index(BSON::OrderedHash[:a, Mongo::ASCENDING], {:unique => true})
         bulk = @coll.initialize_ordered_bulk_op