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Contents
require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')
require 'rid/core_ext/hash'
describe "Hash" do
describe "flatten" do
it "should untouch flat hash" do
hash = { "a" => 1, "b" => 2 }
hash.flatten.should == hash
end
it "should flaten simple nested hash" do
hash = { "a" => { "b" => 1 } }
hash.flatten.should == { "a/b" => 1 }
end
it "should flaten deep nested hash" do
hash = { "a" => { "b" => { "c" => 1 } } }
hash.flatten.should == { "a/b/c" => 1 }
end
end
describe "flatten!" do
it "should change receiver" do
hash = { "a" => { "b" => 1 } }
hash.flatten!
hash.should == { "a/b" => 1 }
end
end
describe "at" do
it "should retrieve value at top level" do
hash = { "a" => 1 }
hash.at("a").should == 1
end
it "should retrieve value at nested level" do
hash = { "a" => { "b" => 1 } }
hash.at("a/b").should == 1
end
it "should retrieve value at deep nested level" do
hash = { "a" => { "b" => { "c" => 1 } } }
hash.at("a/b/c").should == 1
end
it "should return nil if not present" do
hash = { "a" => { "c" => { "c" => 1 } } }
hash.at("a/b/c").should == nil
end
end
describe "update_at" do
it "should insert value at top level" do
hash = { }
hash.update_at "a", 1
hash.should == { "a" => 1 }
end
it "should insert value at nested level" do
hash = { }
hash.update_at "a/b", 1
hash.should == { "a" => { "b" => 1 } }
end
it "should insert value at deep nested level" do
hash = { }
hash.update_at "a/b/c", 1
hash.should == { "a" => { "b" => { "c" => 1 } } }
end
end
end
Version data entries
16 entries across 16 versions & 2 rubygems