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require_relative 'test_helper'
class RotationTest < MiniTest::Test
class Token < CouchRest::Model::Base
include CouchRest::Model::Rotation
property :token, String
rotate_database 'test_rotate', :every => 1.day
end
TEST_DB_RE = /test_rotate_\d+/
def test_rotate
delete_all_dbs
doc = nil
original_name = nil
next_db_name = nil
Time.stub :now, Time.gm(2015,3,7,0) do
Token.create_database!
doc = Token.create!(:token => 'aaaa')
original_name = Token.rotated_database_name
assert database_exists?(original_name)
assert_equal 1, count_dbs
end
# do nothing yet
Time.stub :now, Time.gm(2015,3,7,22) do
Token.rotate_database_now(:window => 1.hour)
assert_equal original_name, Token.rotated_database_name
assert_equal 1, count_dbs
end
# create next db, but don't switch yet.
Time.stub :now, Time.gm(2015,3,7,23) do
Token.rotate_database_now(:window => 1.hour)
assert_equal 2, count_dbs
next_db_name = Token.rotated_database_name(Time.gm(2015,3,8))
assert original_name != next_db_name
assert database_exists?(next_db_name)
sleep 0.2 # allow time for documents to replicate
assert_equal(
Token.get(doc.id).token,
Token.get(doc.id, database(next_db_name)).token
)
end
# use next db
Time.stub :now, Time.gm(2015,3,8) do
Token.rotate_database_now(:window => 1.hour)
assert_equal 2, count_dbs
assert_equal next_db_name, Token.rotated_database_name
token = Token.get(doc.id)
token.update_attributes(:token => 'bbbb')
assert_equal 'bbbb', Token.get(doc.id).token
assert_equal 'aaaa', Token.get(doc.id, database(original_name)).token
end
# delete prior db
Time.stub :now, Time.gm(2015,3,8,1) do
Token.rotate_database_now(:window => 1.hour)
assert_equal 1, count_dbs
end
end
private
def database(db_name)
Token.server.database(Token.db_name_with_prefix(db_name))
end
def database_exists?(dbname)
Token.database_exists?(dbname)
end
def delete_all_dbs(regexp=TEST_DB_RE)
Token.server.databases.each do |db|
if regexp.match(db)
Token.server.database(db).delete!
end
end
end
def count_dbs(regexp=TEST_DB_RE)
Token.server.databases.grep(regexp).count
end
end
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