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Contents
require 'spec_helper'
describe Sources::Wrappers::Location do
context "with backend" do
before(:each) do
@backend = stub :backend
end
context "without grid option" do
it "fails" do
lambda { Sources::Wrappers::Location.new(:something) }.should raise_error
end
end
context "with grid option" do
before(:each) do
@wrapper = Sources::Wrappers::Location.new @backend, grid:10
end
it "uses a default of 1 on the precision" do
@wrapper.precision.should == 1
end
it "delegates harvest" do
@backend.should_receive(:harvest).once.with :some_type, :some_field
@wrapper.harvest :some_type, :some_field
end
it "delegates take_snapshot" do
@backend.should_receive(:take_snapshot).once.with :some_type
@wrapper.take_snapshot :some_type
end
it "delegates connect_backend" do
@backend.should_receive(:connect_backend).once.with # nothing
@wrapper.connect_backend
end
end
context "with grid and precision option" do
before(:each) do
@wrapper = Sources::Wrappers::Location.new @backend, grid:4, precision:2
end
it "uses the given precision" do
@wrapper.precision.should == 2
end
describe "locations_for" do
before(:each) do
@wrapper.instance_variable_set :@min, -3
@wrapper.marginize
end
it "returns the right array" do
@wrapper.locations_for(17).should == [13, 14, 15, 16, 17] # TODO Correct?
end
it "returns the right array" do
@wrapper.locations_for(-3).should == [0, 1, 2, 3, 4]
end
it "returns the right array" do
@wrapper.locations_for(20).should == [14, 15, 16, 17, 18]
end
end
end
end
context "without backend" do
it "fails" do
lambda { Sources::Wrappers::Location.new }.should raise_error(ArgumentError)
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems