settingslogic_spec.rb
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require File.expand_path(File.dirname(__FILE__) + "/spec_helper")
describe "Settingslogic" do
it "should access settings" do
Settings.setting2.should == 5
end
it "should access nested settings" do
Settings.setting1.setting1_child.should == "saweet"
end
it "should access deep nested settings" do
Settings.setting1.deep.another.should == "my value"
end
it "should access extra deep nested settings" do
Settings.setting1.deep.child.value.should == 2
end
it "should enable erb" do
Settings.setting3.should == 25
end
it "should namespace settings" do
Settings2.setting1_child.should == "saweet"
Settings2.deep.another.should == "my value"
end
it "should return the namespace" do
Settings.namespace.should be_nil
Settings2.namespace.should == 'setting1'
end
it "should distinguish nested keys" do
Settings.language.haskell.paradigm.should == 'functional'
Settings.language.smalltalk.paradigm.should == 'object oriented'
end
it "should not collide with global methods" do
Settings3.nested.collides.does.should == 'not either'
Settings3[:nested] = 'fooey'
Settings3[:nested].should == 'fooey'
Settings3.nested.should == 'fooey'
Settings3.collides.does.should == 'not'
end
it "should raise a helpful error message" do
e = nil
begin
Settings.missing
rescue => e
e.should be_kind_of Settingslogic::MissingSetting
end
e.should_not be_nil
e.message.should =~ /Missing setting 'missing' in/
e = nil
begin
Settings.language.missing
rescue => e
e.should be_kind_of Settingslogic::MissingSetting
end
e.should_not be_nil
e.message.should =~ /Missing setting 'missing' in 'language' section/
end
it "should handle optional / dynamic settings" do
e = nil
begin
Settings.language.erlang
rescue => e
e.should be_kind_of Settingslogic::MissingSetting
end
e.should_not be_nil
e.message.should =~ /Missing setting 'erlang' in 'language' section/
Settings.language['erlang'].should be_nil
Settings.language['erlang'] = 5
Settings.language['erlang'].should == 5
Settings.language['erlang'] = {'paradigm' => 'functional'}
Settings.language.erlang.paradigm.should == 'functional'
Settings.respond_to?('erlang').should be_false
Settings.reload!
Settings.language['erlang'].should be_nil
Settings.language[:erlang] ||= 5
Settings.language[:erlang].should == 5
Settings.language[:erlang] = {}
Settings.language[:erlang][:paradigm] = 'functional'
Settings.language.erlang.paradigm.should == 'functional'
Settings[:toplevel] = '42'
Settings.toplevel.should == '42'
end
it "should raise an error on a nil source argument" do
class NoSource < Settingslogic; end
e = nil
begin
NoSource.foo.bar
rescue => e
e.should be_kind_of Errno::ENOENT
end
e.should_not be_nil
end
it "should allow suppressing errors" do
Settings4.non_existent_key.should be_nil
end
# This one edge case currently does not pass, because it requires very
# esoteric code in order to make it pass. It was judged not worth fixing,
# as it introduces significant complexity for minor gain.
# it "should handle reloading top-level settings"
# Settings[:inspect] = 'yeah baby'
# Settings.inspect.should == 'yeah baby'
# Settings.reload!
# Settings.inspect.should == 'Settings'
# end
it "should handle oddly-named settings" do
Settings.language['some-dash-setting#'] = 'dashtastic'
Settings.language['some-dash-setting#'].should == 'dashtastic'
end
it "should support instance usage as well" do
settings = SettingsInst.new(Settings.source)
settings.setting1.setting1_child.should == "saweet"
end
it "should be able to get() a key with dot.notation" do
Settings.get('setting1.setting1_child').should == "saweet"
Settings.get('setting1.deep.another').should == "my value"
Settings.get('setting1.deep.child.value').should == 2
end
# If .name is not a property, delegate to superclass
it "should respond with Module.name" do
Settings2.name.should == "Settings2"
end
# If .name is called on Settingslogic itself, handle appropriately
# by delegating to Hash
it "should have the parent class always respond with Module.name" do
Settingslogic.name.should == 'Settingslogic'
end
# If .name is a property, respond with that instead of delegating to superclass
it "should allow a name setting to be overriden" do
Settings.name.should == 'test'
end
# Put this test last or else call to .instance will load @instance,
# masking bugs.
it "should be a hash" do
Settings.send(:instance).should be_is_a(Hash)
end
end