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|
#
# Author:: Adam Jacob (<adam@chef.io>)
# Copyright:: Copyright (c) 2008-2018, Chef Software 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 File.expand_path(File.join(File.dirname(__FILE__), "..", "spec_helper"))
describe Mixlib::Config do
before(:each) do
ConfigIt.configure do |c|
c[:alpha] = "omega"
c[:foo] = nil
end
end
it "loads a config file" do
allow(File).to receive(:exists?).and_return(true)
allow(File).to receive(:readable?).and_return(true)
allow(IO).to receive(:read).with("config.rb").and_return("alpha = 'omega'\nfoo = 'bar'")
expect(lambda do
ConfigIt.from_file("config.rb")
end).to_not raise_error
end
it "doesn't raise an ArgumentError with an explanation if you try and set a non-existent variable" do
expect(lambda do
ConfigIt[:foobar] = "blah"
end).to_not raise_error
end
it "raises an Errno::ENOENT if it can't find the file" do
expect(lambda do
ConfigIt.from_file("/tmp/timmytimmytimmy")
end).to raise_error(Errno::ENOENT)
end
it "allows the error to bubble up when it's anything other than IOError" do
allow(IO).to receive(:read).with("config.rb").and_return("@#asdf")
expect(lambda do
ConfigIt.from_file("config.rb")
end).to raise_error(SyntaxError)
end
it "allows you to reference a value by index" do
expect(ConfigIt[:alpha]).to eql("omega")
end
it "allows you to reference a value by string index" do
expect(ConfigIt["alpha"]).to eql("omega")
end
it "allows you to set a value by index" do
ConfigIt[:alpha] = "one"
expect(ConfigIt[:alpha]).to eql("one")
end
it "allows you to set a value by string index" do
ConfigIt["alpha"] = "one"
expect(ConfigIt[:alpha]).to eql("one")
end
it "allows setting a value with attribute form" do
ConfigIt.arbitrary_value = 50
expect(ConfigIt.arbitrary_value).to eql(50)
expect(ConfigIt[:arbitrary_value]).to eql(50)
end
it "allows setting a value with method form" do
ConfigIt.arbitrary_value 50
expect(ConfigIt.arbitrary_value).to eql(50)
expect(ConfigIt[:arbitrary_value]).to eql(50)
end
describe "when strict mode is on" do
class StrictClass
extend ::Mixlib::Config
config_strict_mode true
default :x, 1
end
it "allows you to get and set configured values" do
StrictClass.x = StrictClass.x * 2
StrictClass[:x] = StrictClass[:x] * 2
end
it "raises an error when you get an arbitrary config option with .y" do
expect(lambda { StrictClass.y }).to raise_error(Mixlib::Config::UnknownConfigOptionError, "Reading unsupported config value y.")
end
it "raises an error when you get an arbitrary config option with [:y]" do
expect(lambda { StrictClass[:y] }).to raise_error(Mixlib::Config::UnknownConfigOptionError, "Reading unsupported config value y.")
end
it "raises an error when you set an arbitrary config option with .y = 10" do
expect(lambda { StrictClass.y = 10 }).to raise_error(Mixlib::Config::UnknownConfigOptionError, "Cannot set unsupported config value y.")
end
it "raises an error when you set an arbitrary config option with .y 10" do
expect(lambda { StrictClass.y 10 }).to raise_error(Mixlib::Config::UnknownConfigOptionError, "Cannot set unsupported config value y.")
end
it "raises an error when you set an arbitrary config option with [:y] = 10" do
expect(lambda { StrictClass[:y] = 10 }).to raise_error(Mixlib::Config::UnknownConfigOptionError, "Cannot set unsupported config value y.")
end
it "does not break config_context_list" do
expect(lambda do
StrictClass.class_eval do
config_context_list(:lists, :list) do
default :y, 20
end
end
end).not_to raise_error
end
it "does not break config_context_hash" do
expect(lambda do
StrictClass.class_eval do
config_context_hash(:hashes, :hash) do
default :z, 20
end
end
end).not_to raise_error
end
end
describe "when a block has been used to set config values" do
before do
ConfigIt.configure { |c| c[:cookbook_path] = "monkey_rabbit"; c[:otherthing] = "boo" }
end
{ cookbook_path: "monkey_rabbit", otherthing: "boo" }.each do |k, v|
it "allows you to retrieve the config value for #{k} via []" do
expect(ConfigIt[k]).to eql(v)
end
it "allows you to retrieve the config value for #{k} via method_missing" do
expect(ConfigIt.send(k)).to eql(v)
end
end
end
it "doesn't raise an ArgumentError if you access a config option that does not exist" do
expect(lambda { ConfigIt[:snob_hobbery] }).to_not raise_error
end
it "returns true or false with has_key?" do
expect(ConfigIt.key?(:monkey)).to be false
ConfigIt[:monkey] = "gotcha"
expect(ConfigIt.key?(:monkey)).to be true
end
it "returns true or false with key?" do
expect(ConfigIt.key?(:monkey2)).to be false
ConfigIt[:monkey2] = "gotcha"
expect(ConfigIt.key?(:monkey2)).to be true
end
describe "when a class method override writer exists" do
before do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
config_attr_writer :test_method do |blah|
blah.is_a?(Integer) ? blah * 1000 : blah
end
end
end
it "multiplies an integer by 1000" do
@klass[:test_method] = 53
expect(@klass[:test_method]).to eql(53000)
end
it "multiplies an integer by 1000 with the method_missing form" do
@klass.test_method = 63
expect(@klass.test_method).to eql(63000)
end
it "multiplies an integer by 1000 with the instance_eval DSL form" do
@klass.instance_eval("test_method 73")
expect(@klass.test_method).to eql(73000)
end
it "multiplies an integer by 1000 via from-file, too" do
allow(IO).to receive(:read).with("config.rb").and_return("test_method 99")
@klass.from_file("config.rb")
expect(@klass.test_method).to eql(99000)
end
it "receives internal_set with the method name and config value" do
expect(@klass).to receive(:internal_set).with(:test_method, 53).and_return(true)
@klass[:test_method] = 53
end
end
describe "When a configurable exists" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
configurable :daemonizeme
default :a, 1
config_attr_writer(:b) { |v| v }
config_context(:c)
end
end
it "Getter methods are created for the configurable" do
expect(@klass.respond_to?(:daemonizeme)).to be true
expect(@klass.respond_to?(:a)).to be true
expect(@klass.respond_to?(:b)).to be true
expect(@klass.respond_to?(:c)).to be true
expect(@klass.respond_to?(:z)).to be false
end
it "Setter methods are created for the configurable" do
expect(@klass.respond_to?("daemonizeme=".to_sym)).to be true
expect(@klass.respond_to?("a=".to_sym)).to be true
expect(@klass.respond_to?("b=".to_sym)).to be true
expect(@klass.respond_to?("c=".to_sym)).to be true
expect(@klass.respond_to?("z=".to_sym)).to be false
end
it "returns true for is_default? for a default value" do
expect(@klass[:a]).to eql(1)
expect(@klass.is_default?(:a)).to be true
end
it "returns true for is_default? for an overwritten default value" do
@klass[:a] = 1
expect(@klass[:a]).to eql(1)
expect(@klass.is_default?(:a)).to be true
end
it "returns false for is_default? for a value that is not the default" do
@klass[:a] = 2
expect(@klass[:a]).to eql(2)
expect(@klass.is_default?(:a)).to be false
end
describe "and extra methods have been dumped into Object" do
class NopeError < StandardError
end
before :each do
Object.send :define_method, :daemonizeme do
raise NopeError, "NOPE"
end
Object.send :define_method, "daemonizeme=".to_sym do
raise NopeError, "NOPE"
end
end
after do
Object.send :remove_method, :daemonizeme
Object.send :remove_method, :'daemonizeme='
end
it "Normal classes call the extra method" do
normal_class = Class.new
normal_class.extend(::Mixlib::Config)
expect(lambda { normal_class.daemonizeme }).to raise_error(NopeError)
end
it "Configurables with the same name as the extra method can be set" do
@klass.daemonizeme = 10
expect(@klass[:daemonizeme]).to eql(10)
end
it "Configurables with the same name as the extra method can be retrieved" do
@klass[:daemonizeme] = 10
expect(@klass.daemonizeme).to eql(10)
end
end
end
describe "When config has a default value" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval { default :attr, 4 }
end
it "defaults to that value" do
expect(@klass.attr).to eql(4)
end
it "defaults to that value when retrieved as a hash" do
expect(@klass[:attr]).to eql(4)
end
it "is settable to another value" do
@klass.attr 5
expect(@klass.attr).to eql(5)
end
it "still defaults to that value after delete" do
@klass.attr 5
@klass.delete(:attr)
expect(@klass.attr).to eql(4)
end
it "still defaults to that value after reset" do
@klass.attr 5
@klass.reset
expect(@klass.attr).to eql(4)
end
it "save should not save anything for it" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ attr: 4 })
end
it "saves the new value if it gets set" do
@klass.attr 5
expect((saved = @klass.save)).to eql({ attr: 5 })
@klass.reset
expect(@klass.attr).to eql(4)
@klass.restore(saved)
expect(@klass.attr).to eql(5)
end
it "saves the new value even if it is set to its default value" do
@klass.attr 4
expect((saved = @klass.save)).to eql({ attr: 4 })
@klass.reset
expect(@klass.save).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: 4 })
end
end
describe "When config has a default value block" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
default :x, 4
default(:attr) { x * 2 }
end
end
it "defaults to that value" do
expect(@klass.attr).to eql(8)
end
it "is recalculated each time it is retrieved" do
expect(@klass.attr).to eql(8)
@klass.x = 2
expect(@klass.attr).to eql(4)
end
it "defaults to that value when retrieved as a hash" do
expect(@klass[:attr]).to eql(8)
end
it "is settable to another value" do
@klass.attr 5
expect(@klass.attr).to eql(5)
end
it "still defaults to that value after delete" do
@klass.attr 5
@klass.delete(:attr)
expect(@klass.attr).to eql(8)
end
it "still defaults to that value after reset" do
@klass.attr 5
@klass.reset
expect(@klass.attr).to eql(8)
end
it "save should not save anything for it" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ attr: 8, x: 4 })
end
it "saves the new value if it gets set" do
@klass.attr 5
expect((saved = @klass.save)).to eql({ attr: 5 })
@klass.reset
expect(@klass.attr).to eql(8)
@klass.restore(saved)
expect(@klass.attr).to eql(5)
end
it "saves the new value even if it is set to its default value" do
@klass.attr 8
expect((saved = @klass.save)).to eql({ attr: 8 })
@klass.reset
expect(@klass.save).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: 8 })
end
end
describe "When config has an array default value" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval { default :attr, [] }
end
it "reset clears it to its default" do
@klass.attr << "x"
expect(@klass.attr).to eql([ "x" ])
@klass.reset
expect(@klass.attr).to eql([])
end
it "save should not save anything for it" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ attr: [] })
end
it "saves the new value if it gets set" do
@klass.attr << "x"
expect((saved = @klass.save)).to eql({ attr: [ "x" ] })
@klass.reset
expect(@klass.attr).to eql([])
@klass.restore(saved)
expect(@klass.attr).to eql([ "x" ])
end
it "saves the new value even if it is set to its default value" do
@klass.attr = []
expect((saved = @klass.save)).to eql({ attr: [] })
@klass.reset
expect(@klass.save).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: [] })
end
end
describe "When config has a hash default value" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval { default :attr, {} }
end
it "reset clears it to its default" do
@klass.attr[:x] = 10
expect(@klass.attr[:x]).to eql(10)
@klass.reset
expect(@klass.attr[:x]).to be_nil
end
it "save should not save anything for it" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ attr: {} })
end
it "saves the new value if it gets set" do
@klass.attr[:hi] = "lo"
expect((saved = @klass.save)).to eql({ attr: { hi: "lo" } })
@klass.reset
expect(@klass.attr).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: { hi: "lo" } })
end
it "saves the new value even if it is set to its default value" do
@klass.attr = {}
expect((saved = @klass.save)).to eql({ attr: {} })
@klass.reset
expect(@klass.save).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: {} })
end
end
describe "When config has a string default value" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval { default :attr, "hello" }
end
it "reset clears it to its default" do
@klass.attr << " world"
expect(@klass.attr).to eql("hello world")
@klass.reset
expect(@klass.attr).to eql("hello")
end
it "save should not save anything for it" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ attr: "hello" })
end
it "saves the new value if it gets set" do
@klass.attr << " world"
expect((saved = @klass.save)).to eql({ attr: "hello world" })
@klass.reset
expect(@klass.attr).to eql("hello")
@klass.restore(saved)
expect(@klass.attr).to eql("hello world")
end
it "saves the new value even if it is set to its default value" do
@klass.attr "hello world"
expect((saved = @klass.save)).to eql({ attr: "hello world" })
@klass.reset
expect(@klass.save).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: "hello world" })
end
end
describe "When config has a a default value block" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
default(:attr) { 4 }
end
end
it "defaults to that value" do
expect(@klass.attr).to eql(4)
end
it "defaults to that value when retrieved as a hash" do
expect(@klass[:attr]).to eql(4)
end
it "is settable to another value" do
@klass.attr 5
expect(@klass.attr).to eql(5)
expect(@klass[:attr]).to eql(5)
end
it "still defaults to that value after delete" do
@klass.attr 5
@klass.delete(:attr)
expect(@klass.attr).to eql(4)
end
it "still defaults to that value after reset" do
@klass.attr 5
@klass.reset
expect(@klass.attr).to eql(4)
end
it "save should not save anything for it" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ attr: 4 })
end
it "saves the new value if it gets set" do
@klass.attr 5
expect((saved = @klass.save)).to eql({ attr: 5 })
@klass.reset
expect(@klass.attr).to eql(4)
@klass.restore(saved)
expect(@klass.attr).to eql(5)
end
it "saves the new value even if it is set to its default value" do
@klass.attr 4
expect((saved = @klass.save)).to eql({ attr: 4 })
@klass.reset
expect(@klass.save).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: 4 })
end
end
describe "When a configurable exists with writer and default value" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
configurable(:attr) do |c|
c.defaults_to(4)
c.writes_value { |value| value * 2 }
end
end
end
it "defaults to that value" do
expect(@klass.attr).to eql(4)
end
it "defaults to that value when retrieved as a hash" do
expect(@klass[:attr]).to eql(4)
end
it "is settable to another value" do
@klass.attr 5
expect(@klass.attr).to eql(10)
expect(@klass[:attr]).to eql(10)
end
it "is settable to another value with attr=" do
@klass.attr = 5
expect(@klass.attr).to eql(10)
expect(@klass[:attr]).to eql(10)
end
it "is settable to another value with [:attr]=" do
@klass[:attr] = 5
expect(@klass.attr).to eql(10)
expect(@klass[:attr]).to eql(10)
end
it "still defaults to that value after delete" do
@klass.attr 5
@klass.delete(:attr)
expect(@klass.attr).to eql(4)
end
it "still defaults to that value after reset" do
@klass.attr 5
@klass.reset
expect(@klass.attr).to eql(4)
end
it "save should not save anything for it" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ attr: 4 })
end
it "saves the new value if it gets set" do
@klass.attr 5
expect((saved = @klass.save)).to eql({ attr: 10 })
@klass.reset
expect(@klass.attr).to eql(4)
@klass.restore(saved)
expect(@klass.attr).to eql(10)
end
it "saves the new value even if it is set to its default value" do
@klass.attr 4
expect((saved = @klass.save)).to eql({ attr: 8 })
@klass.reset
expect(@klass.save).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: 8 })
end
end
describe "When a configurable exists with writer and default value set in chained form" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
configurable(:attr).defaults_to(4).writes_value { |value| value * 2 }
end
end
it "defaults to that value" do
expect(@klass.attr).to eql(4)
end
it "defaults to that value when retrieved as a hash" do
expect(@klass[:attr]).to eql(4)
end
it "is settable to another value" do
@klass.attr 5
expect(@klass.attr).to eql(10)
expect(@klass[:attr]).to eql(10)
end
it "is settable to another value with attr=" do
@klass.attr = 5
expect(@klass.attr).to eql(10)
expect(@klass[:attr]).to eql(10)
end
it "is settable to another value with [:attr]=" do
@klass[:attr] = 5
expect(@klass.attr).to eql(10)
expect(@klass[:attr]).to eql(10)
end
it "still defaults to that value after delete" do
@klass.attr 5
@klass.delete(:attr)
expect(@klass.attr).to eql(4)
end
it "still defaults to that value after reset" do
@klass.attr 5
@klass.reset
expect(@klass.attr).to eql(4)
end
it "save should not save anything for it" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ attr: 4 })
end
it "saves the new value if it gets set" do
@klass.attr 5
expect((saved = @klass.save)).to eql({ attr: 10 })
@klass.reset
expect(@klass.attr).to eql(4)
@klass.restore(saved)
expect(@klass.attr).to eql(10)
end
it "saves the new value even if it is set to its default value" do
@klass.attr 2
expect((saved = @klass.save)).to eql({ attr: 4 })
@klass.reset
expect(@klass.save).to eql({})
@klass.restore(saved)
expect(@klass.save).to eql({ attr: 4 })
end
end
describe "When a configurable exists with a context" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
configurable :x
config_context(:blah) do
default :x, 5
end
end
end
it "configurable defaults in that context work" do
expect(@klass.blah.x).to eql(5)
end
it "after setting values in the context, the values remain set" do
@klass.blah.x = 10
expect(@klass.blah.x).to eql(10)
end
it "setting values with the same name in the parent context do not affect the child context" do
@klass.x = 10
expect(@klass.x).to eql(10)
expect(@klass.blah.x).to eql(5)
end
it "setting the entire context to a hash with default value overridden sets the value" do
@klass.blah = { x: 10 }
expect(@klass.blah.x).to eql(10)
end
it "setting the entire context to a hash sets non-default values" do
@klass.blah = { y: 10 }
expect(@klass.blah.x).to eql(5)
expect(@klass.blah.y).to eql(10)
end
it "setting the entire context to a hash deletes any non-default values and resets default values" do
@klass.blah.x = 10
@klass.blah.y = 10
@klass.blah = { z: 10 }
expect(@klass.blah.x).to eql(5)
expect(@klass.blah.y).to be_nil
expect(@klass.blah.z).to eql(10)
end
it "setting the context values in a block overrides the default values" do
@klass.blah do
x 10
y 20
end
expect(@klass.blah.x).to eq 10
expect(@klass.blah.y).to eq 20
end
it "setting the context values in a yielded block overrides the default values" do
@klass.blah do |b|
b.x = 10
b.y = 20
end
expect(@klass.blah.x).to eq 10
expect(@klass.blah.y).to eq 20
end
it "after reset of the parent class, children are reset" do
@klass.blah.x = 10
expect(@klass.blah.x).to eql(10)
@klass.reset
expect(@klass.blah.x).to eql(5)
end
it "save should not save anything for it by default" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ blah: { x: 5 } })
end
it "saves any new values that are set in the context" do
@klass.blah.x = 10
expect((saved = @klass.save)).to eql({ blah: { x: 10 } })
@klass.reset
expect(@klass.blah.x).to eql(5)
@klass.restore(saved)
expect(@klass.blah.x).to eql(10)
expect(@klass.save).to eql({ blah: { x: 10 } })
end
# this tests existing (somewhat bizzare) behavior of mixlib-config where testing to
# see if a key exists is equivalent to testing if the key has been set -- we can still
# retrieve the default value if it was set. the code in chef/chef which merges
# knife config values into cli values will be sensitive to this behavior.
it "defaults values do not show up when querying with #has_key?" do
expect(@klass.blah.key?(:x)).to be false
expect(@klass.blah.x).to be 5
end
it "if we assign the values, they show up when querying with #has_key?" do
@klass.blah.x = 5
expect(@klass.blah.key?(:x)).to be true
end
end
describe "When a configurable exists with a nested context" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
config_context(:blah) do
config_context(:yarr) do
default :x, 5
default :y, 6
end
end
configurable :x
end
end
it "configurable defaults in that context work" do
expect(@klass.blah.yarr.x).to eql(5)
expect(@klass.blah.yarr.y).to eql(6)
end
it "after setting values in the context, the values remain set" do
@klass.blah.yarr.x = 10
@klass.blah.yarr.y = 11
expect(@klass.blah.yarr.x).to eql(10)
expect(@klass.blah.yarr.y).to eql(11)
end
it "setting values with the same name in the parent context do not affect the child context" do
@klass.x = 10
expect(@klass.x).to eql(10)
expect(@klass.blah.yarr.x).to eql(5)
end
it "after reset of the parent class, children are reset" do
@klass.blah.yarr.x = 10
@klass.blah.yarr.y = 11
expect(@klass.blah.yarr.x).to eql(10)
expect(@klass.blah.yarr.y).to eql(11)
@klass.reset
expect(@klass.blah.yarr.x).to eql(5)
expect(@klass.blah.yarr.y).to eql(6)
end
it "save should not save anything for it by default" do
expect(@klass.save).to eql({})
end
it "save with include_defaults should save all defaults" do
expect(@klass.save(true)).to eql({ blah: { yarr: { x: 5, y: 6 } } })
end
it "saves any new values that are set in the context" do
@klass.blah.yarr.x = 10
@klass.blah.yarr.y = 11
expect((saved = @klass.save)).to eql({ blah: { yarr: { x: 10, y: 11 } } })
@klass.reset
expect(@klass.blah.yarr.x).to eql(5)
expect(@klass.blah.yarr.y).to eql(6)
@klass.restore(saved)
expect(@klass.blah.yarr.x).to eql(10)
expect(@klass.blah.yarr.y).to eql(11)
expect(@klass.save).to eql({ blah: { yarr: { x: 10, y: 11 } } })
end
it "restores defaults not included in saved data" do
@klass.restore( blah: { yarr: { x: 10 } } )
expect(@klass.blah.yarr.x).to eql(10)
expect(@klass.blah.yarr.y).to eql(6)
end
it "removes added properties not included in saved state" do
@klass.blah.yarr.z = 12
@klass.restore( blah: { yarr: { x: 10 } } )
expect(@klass.blah.yarr.x).to eql(10)
expect(@klass.blah.yarr.z).to eql(nil)
end
it "can set a config context from another context" do
@klass.blah.blyme = { x: 7 }
blyme = @klass.blah.blyme
@klass.blah.yarr.x = 12
@klass.blah.yarr = blyme
expect(@klass.blah.yarr.x).to eql(7)
end
end
describe "When a config_context with no defaulted values exists" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
config_context(:blah) do
configurable(:x)
end
end
end
it "has_key? finds the subcontext" do
expect(@klass.key?(:blah)).to be true
end
it "key? finds the subcontext" do
expect(@klass.key?(:blah)).to be true
end
it "save does not save the hash for the config_context" do
expect(@klass.save).to eql({})
end
it "save with defaults saves the hash for the config_context" do
expect(@klass.save(true)).to eql({ blah: {} })
end
end
describe "When a config_context with no configurables exists" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
config_context(:blah)
end
end
it "save does not save the hash for the config_context" do
expect(@klass.save).to eql({})
end
it "save with defaults saves the hash for the config_context" do
expect(@klass.save(true)).to eql({ blah: {} })
end
end
describe "When a nested context has strict mode on" do
class StrictClass2
extend ::Mixlib::Config
config_context :c do
config_strict_mode true
default :x, 1
end
end
it "The parent class allows you to set arbitrary config options" do
StrictClass2.y = 10
end
it "The nested class does not allow you to set arbitrary config options" do
expect(lambda { StrictClass2.c.y = 10 }).to raise_error(Mixlib::Config::UnknownConfigOptionError, "Cannot set unsupported config value y.")
end
end
describe "When strict mode is on but a nested context has strict mode unspecified" do
class StrictClass3
extend ::Mixlib::Config
config_strict_mode true
default :x, 1
config_context :c
end
it "The parent class does not allow you to set arbitrary config options" do
expect(lambda { StrictClass3.y = 10 }).to raise_error(Mixlib::Config::UnknownConfigOptionError, "Cannot set unsupported config value y.")
end
it "The nested class does not allow you to set arbitrary config options" do
expect(lambda { StrictClass3.y = 10 }).to raise_error(Mixlib::Config::UnknownConfigOptionError, "Cannot set unsupported config value y.")
end
end
describe "When a config_context is opened twice" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
config_context(:blah) do
default :x, 10
end
config_context(:blah) do
default :y, 20
end
end
end
it "Both config_context blocks are honored" do
@klass.blah.x == 10
@klass.blah.y == 20
end
end
it "When a config_context is opened in place of a regular configurable, an error is raised" do
klass = Class.new
klass.extend(::Mixlib::Config)
expect(lambda do
klass.class_eval do
default :blah, 10
config_context(:blah) do
default :y, 20
end
end
end).to raise_error(Mixlib::Config::ReopenedConfigurableWithConfigContextError)
end
it "When a config_context is opened in place of a regular configurable, an error is raised" do
klass = Class.new
klass.extend(::Mixlib::Config)
expect(lambda do
klass.class_eval do
config_context(:blah) do
default :y, 20
end
default :blah, 10
end
end).to raise_error(Mixlib::Config::ReopenedConfigContextWithConfigurableError)
end
describe "config context lists" do
let(:klass) do
klass = Class.new
klass.extend ::Mixlib::Config
klass.instance_eval do
config_context_list(:tests, :test) do
default :y, 20
end
end
klass
end
it "defines list methods when declaring a config_context_list" do
expect(klass.methods).to include :test
expect(klass.methods).to include :tests
end
it "creates a new item each time the singular list is called" do
klass.test do
y 40
end
klass.test do
y 50
end
expect(klass.tests.length).to be 2
expect(klass.tests.first.y).to be 40
expect(klass.tests.last.y).to be 50
end
it "can save the config list" do
klass.test do
y 40
end
klass.test do
y 50
end
expect(klass.save).to eq({
tests: [
{ y: 40 },
{ y: 50 },
],
})
end
it "can restore the config list from a hash" do
hash = {
tests: [
{ y: 40 },
{ y: 50 },
],
}
klass.restore(hash)
expect(klass.tests.length).to be 2
expect(klass.tests.first.y).to be 40
expect(klass.tests.last.y).to be 50
end
end
describe "config context hashes" do
let(:klass) do
klass = Class.new
klass.extend ::Mixlib::Config
klass.instance_eval do
config_context_hash(:tests, :test) do
default :y, 20
end
end
klass
end
it "defines list methods when declaring a config_context_hash" do
expect(klass.methods).to include :test
expect(klass.methods).to include :tests
end
context "when called with a new key each time" do
it "creates a new item each time" do
klass.test :one do
y 40
end
klass.test :two do
y 50
end
expect(klass.tests.length).to be 2
expect(klass.tests[:one].y).to be 40
expect(klass.tests[:two].y).to be 50
end
end
context "when called with the same key" do
it "modifies the existing value" do
klass.test :only do
y 40
end
klass.test :only do
y 50
end
expect(klass.tests.length).to be 1
expect(klass.tests[:only].y).to be 50
end
end
it "can save the config hash" do
klass.test :one do
y 40
end
klass.test :two do
y 50
end
expect(klass.save).to eq({
tests: {
one: { y: 40 },
two: { y: 50 },
},
})
end
it "can restore the config hash from a hash" do
hash = {
tests: {
one: { y: 40 },
two: { y: 50 },
},
}
klass.restore(hash)
expect(klass.tests.length).to be 2
expect(klass.tests[:one].y).to be 40
expect(klass.tests[:two].y).to be 50
end
end
describe ".from_yaml" do
let(:yaml) do
<<~EOH
---
foo:
- bar
- baz
- matazz
alpha: beta
EOH
end
it "turns YAML into method-style setting" do
allow(File).to receive(:exists?).and_return(true)
allow(File).to receive(:readable?).and_return(true)
allow(IO).to receive(:read).with("config.yml").and_return(yaml)
expect(lambda do
ConfigIt.from_file("config.yml")
end).to_not raise_error
expect(ConfigIt.foo).to eql(%w{ bar baz matazz })
expect(ConfigIt.alpha).to eql("beta")
end
end
describe ".from_json" do
let(:json) do
<<~EOH
{
"foo": [
"bar",
"baz",
"matazz"
],
"alpha": "beta"
}
EOH
end
it "turns JSON into method-style setting" do
allow(File).to receive(:exists?).and_return(true)
allow(File).to receive(:readable?).and_return(true)
allow(IO).to receive(:read).with("config.json").and_return(json)
expect(lambda do
ConfigIt.from_file("config.json")
end).to_not raise_error
expect(ConfigIt.foo).to eql(%w{ bar baz matazz })
expect(ConfigIt.alpha).to eql("beta")
end
end
describe ".from_toml" do
let(:toml) do
<<~EOH
foo = ["bar", "baz", "matazz"]
alpha = "beta"
EOH
end
it "turns TOML into method-style setting" do
allow(File).to receive(:exists?).and_return(true)
allow(File).to receive(:readable?).and_return(true)
allow(IO).to receive(:read).with("config.toml").and_return(toml)
expect(lambda do
ConfigIt.from_file("config.toml")
end).to_not raise_error
expect(ConfigIt.foo).to eql(%w{ bar baz matazz })
expect(ConfigIt.alpha).to eql("beta")
end
end
describe ".from_hash" do
context "when contexts in the hash are defined" do
let(:hash) do
{
"alpha" => "beta",
gamma: "delta",
"foo" => %w{ bar baz matazz},
"bar" => { "baz" => { "fizz" => "buzz" } },
"windows_path" => 'C:\Windows Has Awful\Paths',
}
end
it "configures the config object from a hash" do
ConfigIt.config_context :bar do
config_context :baz do
default :fizz, "quux"
end
end
ConfigIt.from_hash(hash)
expect(ConfigIt.foo).to eql(%w{ bar baz matazz })
expect(ConfigIt.alpha).to eql("beta")
expect(ConfigIt.gamma).to eql("delta")
expect(ConfigIt[:bar][:baz][:fizz]).to eql("buzz")
expect(ConfigIt.windows_path).to eql('C:\Windows Has Awful\Paths')
end
end
context "when configurable and hash is defined" do
before :each do
@klass = Class.new
@klass.extend(::Mixlib::Config)
@klass.class_eval do
configurable(:environment) do |c|
c.defaults_to({})
end
end
end
let(:hash) do
{
environment: { "GEM_PATH" => "SOME_PATH" },
}
end
it "configures the config object from a hash" do
hash_config = @klass.from_hash(hash)
expect(hash_config[:environment]).to eql({ "GEM_PATH" => "SOME_PATH" })
end
end
context "when contexts in the hash are undefined and strict disabled" do
before do
ConfigIt.strict_mode = true
end
let(:hash) do
{
"brrr" => { "baz" => { "fizz" => "buzz" } },
"windows_path" => 'C:\Windows Has Awful\Paths',
}
end
it "configures the config object, creating contexts as needed" do
ConfigIt.from_hash(hash)
expect(ConfigIt[:brrr][:baz][:fizz]).to eql("buzz")
expect(ConfigIt.windows_path).to eql('C:\Windows Has Awful\Paths')
end
end
end
end
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