require File.dirname(__FILE__) + '/spec_helper'
class Foo
end
describe Object do
it "should treat an empty string as blank" do
"".should be_blank
end
it "should treat a string with just spaces as blank" do
" ".should be_blank
end
it "should treat an empty array as blank" do
[].should be_blank
end
it "should treat boolean false as blank" do
false.should be_blank
end
end
describe Object, "#quacks_like" do
it "use respond_to? to determine quacks_like :symbol" do
"Foo".should be_quacks_like(:strip)
end
it "should return true if any of the elements in the Array are true" do
"Foo".should be_quacks_like([String, Array])
end
it "should return false if an invalid value is passed in" do
"Foo".should_not be_quacks_like({})
end
end
describe Object, "#full_const_get" do
class April
class In
class Paris
PERFORMER = "Ella Fitzgerald"
end
end
end
module Succubus
module In
module Rapture
PERFORMER = "Dimmu Borgir"
end
end
end
it "returns constant corresponding to the name" do
Object.full_const_get("April").should == April
end
it "handles nested classes" do
Object.full_const_get("April::In::Paris").should == April::In::Paris
end
it "handles nested modules" do
Object.full_const_get("Succubus::In::Rapture").should == Succubus::In::Rapture
end
it "handles top level constant naming" do
Object.full_const_get("::Succubus::In::Rapture").should == Succubus::In::Rapture
end
it "handles in-scoped constants in modules" do
Object.full_const_get("Succubus::In::Rapture::PERFORMER").should == "Dimmu Borgir"
end
it "handles in-scoped constants in classes" do
Object.full_const_get("April::In::Paris::PERFORMER").should == "Ella Fitzgerald"
end
it "acts as a global function" do
lambda { self.full_const_get("April::In::Paris::PERFORMER") }.should raise_error(NameError)
end
it "raises an exception if constant is undefined" do
lambda { Object.full_const_get("We::May::Never::Meet::Again") }.should raise_error(NameError)
end
end
describe Object, "#full_const_set" do
class April
class In
class Paris
end
end
end
module Succubus
module In
module Rapture
end
end
end
it "should assign top level constants" do
Object.full_const_set('May', 5).should == 5
Object.full_const_get('May').should == 5
end
it "handles top level constant naming" do
Object.full_const_set('::June', 6).should == 6
Object.full_const_get('::June').should == 6
end
it "handles in-scoped constants in classes" do
Object.full_const_set("April::In::Paris::COUNTRY", "USA").should == "USA"
Object.full_const_get("April::In::Paris::COUNTRY").should == "USA"
end
it "handles in-scoped constants in modules" do
Object.full_const_set("Succubus::In::Rapture::COUNTRY", "Norway").should == "Norway"
Object.full_const_get("Succubus::In::Rapture::COUNTRY").should == "Norway"
end
it "raises an exception if constant is undefined" do
lambda { Object.full_const_set("We::May::Never::Meet", "Again") }.should raise_error(NameError)
end
end
describe Object, "#make_module" do
it "defines module from a string name" do
Object.make_module("Cant::Take::That::Away::From::Me")
defined?(Cant::Take::That::Away::From::Me).should == "constant"
end
it "is OK if module already defined" do
module Merb
module Is
module Modular
end
end
end
lambda { Object.make_module("Merb::Is::Modular") }.should_not raise_error
end
end
describe Object, "#in?" do
it "should be true if the argument includes self" do
4.in?([1,2,4,5]).should be_true
end
it "should be false if the argument does not include self" do
4.in?([1,2,3,5]).should be_false
end
it "should splat the args so [] are not required" do
4.in?(1,2,3,4,5).should be_true
end
end
