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#
# Author:: Daniel DeLeo (<dan@opscode.com>)
# Copyright:: Copyright (c) 2012 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "spec_helper"
require "chef/node/immutable_collections"
describe Chef::Node::ImmutableMash do
before do
@data_in = {:top => {:second_level => "some value"},
"top_level_2" => %w[array of values],
:top_level_3 => [{:hash_array => 1, :hash_array_b => 2}],
:top_level_4 => {:level2 => {:key => "value"}}
}
@immutable_mash = Chef::Node::ImmutableMash.new(@data_in)
end
it "element references like regular hash" do
expect(@immutable_mash[:top][:second_level]).to eq("some value")
end
it "element references like a regular Mash" do
expect(@immutable_mash[:top_level_2]).to eq(%w[array of values])
end
it "converts Hash-like inputs into ImmutableMash's" do
expect(@immutable_mash[:top]).to be_a(Chef::Node::ImmutableMash)
end
it "converts array inputs into ImmutableArray's" do
expect(@immutable_mash[:top_level_2]).to be_a(Chef::Node::ImmutableArray)
end
it "converts arrays of hashes to ImmutableArray's of ImmutableMashes" do
expect(@immutable_mash[:top_level_3].first).to be_a(Chef::Node::ImmutableMash)
end
it "converts nested hashes to ImmutableMashes" do
expect(@immutable_mash[:top_level_4]).to be_a(Chef::Node::ImmutableMash)
expect(@immutable_mash[:top_level_4][:level2]).to be_a(Chef::Node::ImmutableMash)
end
describe "to_hash" do
before do
@copy = @immutable_mash.to_hash
end
it "converts an immutable mash to a new mutable hash" do
expect(@copy).to be_instance_of(Hash)
end
it "converts an immutable nested mash to a new mutable hash" do
expect(@copy["top_level_4"]["level2"]).to be_instance_of(Hash)
end
it "converts an immutable nested array to a new mutable array" do
expect(@copy["top_level_2"]).to be_instance_of(Array)
end
it "should create a mash with the same content" do
expect(@copy).to eq(@immutable_mash)
end
it "should allow mutation" do
expect { @copy["m"] = "m" }.not_to raise_error
end
end
[
:[]=,
:clear,
:default=,
:default_proc=,
:delete,
:delete_if,
:keep_if,
:merge!,
:update,
:reject!,
:replace,
:select!,
:shift
].each do |mutator|
it "doesn't allow mutation via `#{mutator}'" do
expect { @immutable_mash.send(mutator) }.to raise_error
end
end
it "returns a mutable version of itself when duped" do
mutable = @immutable_mash.dup
mutable[:new_key] = :value
expect(mutable[:new_key]).to eq(:value)
end
end
describe Chef::Node::ImmutableArray do
before do
@immutable_array = Chef::Node::ImmutableArray.new(%w[foo bar baz] + Array(1..3) + [nil, true, false, [ "el", 0, nil ] ])
immutable_mash = Chef::Node::ImmutableMash.new({:m => "m"})
@immutable_nested_array = Chef::Node::ImmutableArray.new(["level1",@immutable_array, immutable_mash])
end
##
# Note: other behaviors, such as immutibilizing input data, are tested along
# with ImmutableMash, above
###
[
:<<,
:[]=,
:clear,
:collect!,
:compact!,
:default=,
:default_proc=,
:delete,
:delete_at,
:delete_if,
:fill,
:flatten!,
:insert,
:keep_if,
:map!,
:merge!,
:pop,
:push,
:update,
:reject!,
:reverse!,
:replace,
:select!,
:shift,
:slice!,
:sort!,
:sort_by!,
:uniq!,
:unshift
].each do |mutator|
it "does not allow mutation via `#{mutator}" do
expect { @immutable_array.send(mutator)}.to raise_error
end
end
it "can be duped even if some elements can't" do
@immutable_array.dup
end
it "returns a mutable version of itself when duped" do
mutable = @immutable_array.dup
mutable[0] = :value
expect(mutable[0]).to eq(:value)
end
describe "to_a" do
before do
@copy = @immutable_nested_array.to_a
end
it "converts an immutable array to a new mutable array" do
expect(@copy).to be_instance_of(Array)
end
it "converts an immutable nested array to a new mutable array" do
expect(@copy[1]).to be_instance_of(Array)
end
it "converts an immutable nested mash to a new mutable hash" do
expect(@copy[2]).to be_instance_of(Hash)
end
it "should create an array with the same content" do
expect(@copy).to eq(@immutable_nested_array)
end
it "should allow mutation" do
expect { @copy << "m" }.not_to raise_error
end
end
end
|
