|
require 'spec_helper'
describe Utils do
describe "#value_at" do
it "returns the value at a JSON path" do
Utils.value_at({ :foo => { :bar => :baz }}.to_json, "foo.bar").should == "baz"
Utils.value_at({ :foo => { :bar => { :bing => 2 } }}, "foo.bar.bing").should == 2
end
it "returns nil when the path cannot be followed" do
Utils.value_at({ :foo => { :bar => :baz }}, "foo.bing").should be_nil
end
it "does not eval" do
lambda {
Utils.value_at({ :foo => 2 }, "foo[?(@ > 1)]")
}.should raise_error(RuntimeError, /Cannot use .*? eval/)
end
end
describe "#values_at" do
it "returns arrays of matching values" do
Utils.values_at({ :foo => { :bar => :baz }}, "foo.bar").should == %w[baz]
Utils.values_at({ :foo => [ { :bar => :baz }, { :bar => :bing } ]}, "foo[*].bar").should == %w[baz bing]
Utils.values_at({ :foo => [ { :bar => :baz }, { :bar => :bing } ]}, "foo[*].bar").should == %w[baz bing]
end
end
end
|