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Contents
require 'spec_helper'
require 'flydata/query_based_sync/record_size_estimator'
module Flydata
module QueryBasedSync
describe RecordSizeEstimator do
def actual_record_size(table_name, record)
j = {
row: record,
type: :update,
respect_order: true,
src_pos: "10051:10051:\t10520:10052:\t{\"id\":\"1000000000\"}",
v: 2,
seq: 1000000000,
table_name: table_name,
table_rev: 1,
}.to_json.size
end
let(:table_name) { 'table_1' }
let(:num_columns) { 2 }
let(:subject_object) { described_class.new(table_name, num_columns) }
describe '#calc_record_size' do
def create_record(num_records = 10)
1.upto(num_records).inject({}){|h, i| h[i.to_s]=i.to_s ;h}
end
let(:num_columns) { record.values.count }
subject { subject_object.calc_record_size(record) }
let(:actual_size) { actual_record_size(table_name, record) }
context 'when number of columns is small' do
let(:record) { create_record(2) }
it { is_expected.to eq(actual_size) }
end
context 'when number of columns is medium' do
let(:record) { create_record(12) }
it { is_expected.to eq(actual_size) }
end
context 'when number of columns is big' do
let(:record) { create_record(102) }
it { is_expected.to eq(actual_size) }
end
end
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems