PersistentJhash Test (meh)

gistfile1.rb

describe Ss::PersistentJhash do
  before do
    tmp = Ss::PersistentJhash.new

    tmp.clear.save
    assert tmp.send(:conn)
    tmp.load_data.must_be :empty?
  end

  it "is a hash" do
    hsh = Ss::PersistentJhash.new
    assert hsh.is_a? Hash
  end

  it "saves" do
    hsh = Ss::PersistentJhash.new
    hsh.send(:raw).must_equal Hash.new.to_json

    hsh += { name: :John, age: 32, fav_nums: [ 1, 2, 42 ] }
    hsh.save

    hsh.clear
    hsh.must_be :empty?
    hsh.send(:raw).wont_equal Hash.new.to_json
  end

  it "takes default params hash" do
    klass = Ss::PersistentJhash

    p1 = { ns: :a_ns }
    klass.new(p1).namespace.must_equal "a_ns"

    p2 = { rk: :a_rk }
    klass.new(p2).namespace.must_equal "ss:persistent_jhash"
  end


  it "has a default namespace" do
    Ss::PersistentJhash.new.namespace.must_equal "ss:persistent_jhash"
  end

  it "overrides default namespace" do
    ns  = "foo_bar"
    ph = Ss::PersistentJhash.new
    ph.send(:namespace=, ns)
    ph.namespace.must_equal ns
  end

  it "has a default rd_key" do
    Ss::PersistentJhash.new.rd_key.must_equal "persistent_jhash"
  end

  it "overrides default rd_key" do
    ns = "foo_bar"
    ph = Ss::PersistentJhash.new
    ph.send(:rd_key=, ns)
    ph.rd_key.must_equal ns
    Ss::PersistentJhash.new.reset
  end

  it "loads data" do
    hsh = Ss::PersistentJhash.new.load_data
    hsh.must_be :empty?

    cn = hsh.send(:conn)
    key = Ss::PersistentJhash.new.rd_key
    cn[key] = Hash[:name, :John, :nums, [1, 42]].to_json
    hsh.must_be :empty?

    hsh.load_data

    hsh["name"].must_equal "John"
    hsh["nums"].must_equal [1, 42]
  end

end