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Contents
# Copyright (c) 2011 - 2013, SoundCloud Ltd., Rany Keddo, Tobias Bielohlawek, Tobias
# Schmidt
require File.expand_path(File.dirname(__FILE__)) + '/unit_helper'
describe Lhm::ChunkFinder do
before(:each) do
@origin = Lhm::Table.new('foo')
@destination = Lhm::Table.new('bar')
@migration = Lhm::Migration.new(@origin, @destination)
@connection = mock()
end
describe '#validate' do
describe 'when start is greater than limit' do
it 'raises' do
assert_raises { Lhm::ChunkFinder.new(@connection, @migration, {start: 2, limit: 1}).validate }
end
end
describe 'when start is greater than limit' do
it 'does not raise' do
Lhm::ChunkFinder.new(@connection, @migration, {start: 1, limit: 2}).validate # does not raise
end
end
end
describe '#start' do
describe 'when initialized with 5' do
before(:each) do
@instance = Lhm::ChunkFinder.new(@connection, @migration, {start: 5, limit: 6})
end
it 'returns 5' do
assert_equal @instance.start, 5
end
end
describe 'when initialized with nil and the min(id) is 22' do
before(:each) do
@connection.expects(:select_value).returns(22)
@instance = Lhm::ChunkFinder.new(@migration, @connection, {limit: 6})
end
it 'returns 22' do
assert_equal @instance.start, 22
end
end
end
describe '#limit' do
describe 'when initialized with 6' do
before(:each) do
@instance = Lhm::ChunkFinder.new(@connection, @migration, {start: 5, limit: 6})
end
it 'returns 6' do
assert_equal @instance.limit, 6
end
end
describe 'when initialized with nil and the max(id) is 33' do
before(:each) do
@connection.expects(:select_value).returns(33)
@instance = Lhm::ChunkFinder.new(@migration, @connection, {start: 5})
end
it 'returns 33' do
assert_equal @instance.limit, 33
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems