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require 'spec_helper'
describe TablePrint::Printable do
before(:each) do
Sandbox.cleanup!
end
describe "#default_display_methods" do
it "returns attribute getters" do
Sandbox.add_class("Hat")
Sandbox.add_attributes("Hat", "brand")
p = Sandbox::Hat.new
TablePrint::Printable.default_display_methods(p).should == %W(brand)
end
it "ignores dangerous methods" do
Sandbox.add_class("Hat")
Sandbox.add_method("Hat", "brand!") {}
p = Sandbox::Hat.new
TablePrint::Printable.default_display_methods(p).should == []
end
it "ignores methods defined in a superclass" do
Sandbox.add_class("Hat::Bowler")
Sandbox.add_attributes("Hat", "brand")
Sandbox.add_attributes("Hat::Bowler", "brim_width")
p = Sandbox::Hat::Bowler.new
TablePrint::Printable.default_display_methods(p).should == %W(brim_width)
end
it "ignores methods that require arguments" do
Sandbox.add_class("Hat")
Sandbox.add_attributes("Hat", "brand")
Sandbox.add_method("Hat", "tip?") { |person| person.rapscallion? }
p = Sandbox::Hat.new
TablePrint::Printable.default_display_methods(p).should == %W(brand)
end
it "ignores methods from an included module" do
pending "waiting for Cat to support module manipulation"
fail
end
it "uses column information when available (eg, from ActiveRecord objects)"
it "uses the members method when passed a Struct" do
test_struct = Struct.new(:foo, :bar)
obj = test_struct.new
obj.foo = 1
obj.bar = 2
TablePrint::Printable.default_display_methods(obj).should == [:foo, :bar]
end
end
end
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