ramfjord

    # Actual test
    it "prefixes each of it's locks with :prefix:" do
      expect(ZookeeperLocker).to receive(:lock_no_retry)
        .with(start_with("hello"))

      lock_for_time_range "hello", @window do
        # nothing
      end
    end     
     

ramfjord

class MyQ
  def initialize
    @head = @tail = []
  end

  def enq(obj)
    @tail << obj << [] # must use methods that mutate the array here
    @tail = @tail[1]
    obj
  end

ramfjord

pg_dump -a -N schema_1 -N schema_2 \
   --dbname=<redacted> | \
pg_restore -Fc -j 8 --verbose \
   --dbname=<redacted>

ramfjord

database=> BEGIN;
BEGIN
database=> PREPARE dumb AS SELECT 'dumb';
PREPARE
database=> ROLLBACK;
ROLLBACK
database=> PREPARE dumb AS SELECT 'dumb';
ERROR:  prepared statement "dumb" already exists

ramfjord

module Test
  module ClassMethods
    attr_accessor :var
    # Make everything in ClassMethods a class method on whatever includes this
    def self.included(klass)
      klass.extend ClassMethods
    end
  end
end
 

ramfjord

module Test
  module ClassMethods
    attr_accessor :var
    # Make everything in ClassMethods a class method on whatever includes this
    def self.included(klass)
      klass.extend ClassMethods
    end
  end
end

ramfjord

my_table = "table_name"
conn = ActiveRecord::Base.connection

begin
  conn.execute "CREATE TABLE #{my_table} (key INTEGER, val TEXT);"

  klass = Class.new(ActiveRecord::Base) do
          self.table_name = my_table
          primary_key = "key"
          default_scope { order("key DESC NULLS LAST") }