vaguerent/test/unit/vagrant/config/v1/loader_test.rb
2012-06-26 15:06:03 -07:00

126 lines
3.3 KiB
Ruby

require File.expand_path("../../../../base", __FILE__)
describe Vagrant::Config::V1::Loader do
include_context "unit"
describe "empty" do
it "returns an empty configuration object" do
result = described_class.init
result.should be_kind_of(Vagrant::Config::V1::Root)
end
end
describe "finalizing" do
it "should call `#finalize` on the configuration object" do
# Register a plugin for our test
plugin_class = Class.new(Vagrant.plugin("1")) do
name "test"
config "foo" do
Class.new do
attr_accessor :bar
def finalize!
@bar = "finalized"
end
end
end
end
# Create the proc we're testing
config_proc = Proc.new do |config|
config.foo.bar = "value"
end
begin
# Test that it works properly
config = described_class.load(config_proc)
config.foo.bar.should == "value"
# Finalize it
described_class.finalize(config)
config.foo.bar.should == "finalized"
ensure
# We have to unregister the plugin so that future tests
# aren't mucked up.
plugin_class.unregister!
end
end
end
describe "loading" do
it "should configure with all plugin config keys loaded" do
# Register a plugin for our test
plugin_class = Class.new(Vagrant.plugin("1")) do
name "test"
config "foo" do
Class.new do
attr_accessor :bar
end
end
end
# Create the proc we're testing
config_proc = Proc.new do |config|
config.foo.bar = "value"
end
begin
# Test that it works properly
config = described_class.load(config_proc)
config.foo.bar.should == "value"
ensure
# We have to unregister the plugin so that future tests
# aren't mucked up.
plugin_class.unregister!
end
end
end
describe "merging" do
it "should merge available configuration keys" do
old = Vagrant::Config::V1::Root.new({ :foo => Object })
new = Vagrant::Config::V1::Root.new({ :bar => Object })
result = described_class.merge(old, new)
result.foo.should be_kind_of(Object)
result.bar.should be_kind_of(Object)
end
it "should merge instantiated objects" do
config_class = Class.new do
attr_accessor :value
end
old = Vagrant::Config::V1::Root.new({ :foo => config_class })
old.foo.value = "old"
new = Vagrant::Config::V1::Root.new({ :bar => config_class })
new.bar.value = "new"
result = described_class.merge(old, new)
result.foo.value.should == "old"
result.bar.value.should == "new"
end
it "should merge conflicting classes by calling `merge`" do
config_class = Class.new do
attr_accessor :value
def merge(new)
result = self.class.new
result.value = @value + new.value
result
end
end
old = Vagrant::Config::V1::Root.new({ :foo => config_class })
old.foo.value = 10
new = Vagrant::Config::V1::Root.new({ :foo => config_class })
new.foo.value = 15
result = described_class.merge(old, new)
result.foo.value.should == 25
end
end
end