Sha256: c89a0d5ca18161ed1dee0a65a54a8793aa3aa9397d7a51cec0341a58014ea1a3
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Size: 946 Bytes
Versions: 15
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Stored size: 946 Bytes
Contents
# encoding: utf-8
require 'spec_helper'
describe Quandl::Operation::Transform do
subject{ Quandl::Operation::Transform }
describe ".perform" do
it "should handle empty data" do
subject.perform( [], :rdiff ).should eq []
end
it "should handle empty data" do
subject.perform( [nil], :cumul ).should eq [nil]
end
it "should rdiff_from" do
data = [[1,3,5],[4,5,4],[5,15,20]]
result = subject.perform(data, :rdiff_from)
result.should eq [[1,4,3],[4,2,4],[5,0,0]]
end
it "should cumul asc" do
data = [[1000, 10], [1001, 20], [1002, 30]]
result = subject.perform(data, :cumul)
result.should eq [[1000, 10], [1001, 30], [1002, 60]]
end
it "should cumul desc" do
data = [[1002, 30], [1001, 20], [1000, 10]]
result = subject.perform(data, :cumul)
result.should eq [[1002, 60], [1001, 30], [1000, 10]]
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems