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ruby--ruby/spec/ruby/core/kernel/p_spec.rb
2020-02-23 13:37:40 +09:00

87 lines
2.3 KiB
Ruby

require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Kernel#p" do
before :all do
@rs_f, @rs_b, @rs_c = $/, $\, $,
end
after :each do
suppress_warning {
$/, $\, $, = @rs_f, @rs_b, @rs_c
}
end
it "is a private method" do
Kernel.should have_private_instance_method(:p)
end
# TODO: fix
it "flushes output if receiver is a File" do
filename = tmp("Kernel_p_flush") + $$.to_s
begin
File.open(filename, "w") do |f|
begin
old_stdout = $stdout
$stdout = f
p("abcde")
ensure
$stdout = old_stdout
end
File.open(filename) do |f2|
f2.read(7).should == "\"abcde\""
end
end
ensure
rm_r filename
end
end
it "prints obj.inspect followed by system record separator for each argument given" do
o = mock("Inspector Gadget")
o.should_receive(:inspect).any_number_of_times.and_return "Next time, Gadget, NEXT TIME!"
-> { p(o) }.should output("Next time, Gadget, NEXT TIME!\n")
-> { p(*[o]) }.should output("Next time, Gadget, NEXT TIME!\n")
-> { p(*[o, o]) }.should output("Next time, Gadget, NEXT TIME!\nNext time, Gadget, NEXT TIME!\n")
-> { p([o])}.should output("[#{o.inspect}]\n")
end
it "is not affected by setting $\\, $/ or $," do
o = mock("Inspector Gadget")
o.should_receive(:inspect).any_number_of_times.and_return "Next time, Gadget, NEXT TIME!"
suppress_warning {
$, = " *helicopter sound*\n"
}
-> { p(o) }.should output_to_fd("Next time, Gadget, NEXT TIME!\n")
suppress_warning {
$\ = " *helicopter sound*\n"
}
-> { p(o) }.should output_to_fd("Next time, Gadget, NEXT TIME!\n")
suppress_warning {
$/ = " *helicopter sound*\n"
}
-> { p(o) }.should output_to_fd("Next time, Gadget, NEXT TIME!\n")
end
it "prints nothing if no argument is given" do
-> { p }.should output("")
end
it "prints nothing if called splatting an empty Array" do
-> { p(*[]) }.should output("")
end
=begin Not sure how to spec this, but wanted to note the behavior here
it "does not flush if receiver is not a TTY or a File" do
end
=end
end
describe "Kernel.p" do
it "needs to be reviewed for spec completeness"
end