Contents

require File.dirname(__FILE__) + '/base'
require 'taps/utils'

describe Taps::Utils do
  it "generates a checksum using crc32" do
    Taps::Utils.checksum("hello world").should == Zlib.crc32("hello world")
  end

  it "formats a data hash into one hash that contains an array of headers and an array of array of data" do
    first_row = { :x => 1, :y => 1 }
    first_row.stubs(:keys).returns([:x, :y])
    Taps::Utils.format_data([ first_row, { :x => 2, :y => 2 } ]).should == { :header => [ :x, :y ], :data => [ [1, 1], [2, 2] ] }
  end

  it "enforces length limitations on columns" do
    data = [ { :a => "aaabbbccc" } ]
    schema = [ [ :a, { :db_type => "varchar(3)" }]]
    lambda { Taps::Utils.format_data(data, :schema => schema) }.should.raise(Taps::InvalidData)
  end

  it "returns a list of columns that are text fields if the database is mysql" do
    @db = mock("db", :url => "mysql://localhost/mydb")
    @db.stubs(:schema).with(:mytable).returns([
      [:id, { :db_type => "int" }],
      [:mytext, { :db_type => "text" }]
    ])
    Taps::Utils.incorrect_blobs(@db, :mytable).should == [:mytext]
  end

  it "rejects a multiple-column primary key as a single integer primary key" do
    @db = mock("db")
    @db.stubs(:schema).with(:pktable.identifier).returns([
      [:id1, { :primary_key => true, :type => :integer }],
      [:id2, { :primary_key => true, :type => :string }]
    ])
    Taps::Utils.single_integer_primary_key(@db, :pktable).should.be.false
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
taps2-0.5.5	spec/utils_spec.rb
taps2-0.5.4	spec/utils_spec.rb
taps2-0.5.3	spec/utils_spec.rb
taps2-0.5.2	spec/utils_spec.rb
taps2-0.5.1	spec/utils_spec.rb