remove unnecessary %j, export function directly
convert tab to spaces
before apply mongodb-uri
refactor index to support uri
abstract prepossessing methods to parser.js
tests pass with parser.js
rename parser to dbUtil
refactor dbUtil.js method to take callback function
tests use dbUtil
move testEach, testCount to individual tests
avoid dangling underscore for private var, rename callback to fn
create new folder for test schemas
add more test schemas