github-migration/mongo-ruby-driver
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move functionality to Connection#db, set up default database name to use when absolutely nothing is provided

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This commit is contained in:
John Bintz 2012-06-06 11:37:04 -04:00
parent 11a5d8bd53
commit 9d4429221e
2 changed files with 12 additions and 21 deletions
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25
lib/mongo/connection.rb
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@ -34,6 +34,7 @@ module Mongo
DEFAULT_HOST = 'localhost'
DEFAULT_PORT = 27017
DEFAULT_DB_NAME = 'test'
GENERIC_OPTS = [:ssl, :auths, :pool_size, :pool_timeout, :timeout, :op_timeout, :connect_timeout, :safe, :logger, :connect]
CONNECTION_OPTS = [:slave_ok]
@ -312,7 +313,13 @@ module Mongo
# @return [Mongo::DB]
#
# @core databases db-instance_method
def db(db_name, opts={})
def db(db_name=nil, opts={})
if !db_name && uri = ENV['MONGODB_URI']
db_name = uri[%r{/([^/\?]+)(\?|$)}, 1]
end
db_name ||= DEFAULT_DB_NAME
DB.new(db_name, self, opts)
end
@ -327,22 +334,6 @@ module Mongo
DB.new(db_name, self)
end
# Return the database specified in ENV['MONGODB_URI']
#
# @param [String] uri the uri to use
# @param [Hash] opts options to be passed to the DB constructor.
#
# @return [Mongo::DB]
#
# @core databases db_from_uri-instance_method
def db_from_uri(uri=ENV['MONGODB_URI'], opts={})
if db_name = uri[%r{/([^/\?]+)(\?|$)}, 1]
DB.new(db_name, self, opts)
else
raise ArgumentError.new("No database name found in #{uri}")
end
end
# Drop a database.
#
# @param [String] name name of an existing database.

8
test/connection_test.rb
View File

@ -89,7 +89,7 @@ class TestConnection < Test::Unit::TestCase
old_mongodb_uri = ENV['MONGODB_URI']
ENV['MONGODB_URI'] = "mongodb://#{host_port}/#{db_name}"
con = Connection.from_uri
db = con.db_from_uri
db = con.db
assert_equal db.name, db_name
ensure
ENV['MONGODB_URI'] = old_mongodb_uri
@ -103,7 +103,7 @@ class TestConnection < Test::Unit::TestCase
old_mongodb_uri = ENV['MONGODB_URI']
ENV['MONGODB_URI'] = "mongodb://#{host_port}/#{db_name}?"
con = Connection.from_uri
db = con.db_from_uri
db = con.db
assert_equal db.name, db_name
ensure
ENV['MONGODB_URI'] = old_mongodb_uri
@ -115,8 +115,8 @@ class TestConnection < Test::Unit::TestCase
old_mongodb_uri = ENV['MONGODB_URI']
ENV['MONGODB_URI'] = "mongodb://#{host_port}/"
con = Connection.from_uri
assert_raise ArgumentError do con.db_from_uri end
db = con.db
assert_equal db.name, Mongo::Connection::DEFAULT_DB_NAME
ensure
ENV['MONGODB_URI'] = old_mongodb_uri
end