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require File.expand_path('../../../spec_helper', __FILE__)
require 'getoptlong'
describe "GetoptLong#set_options" do
before :each do
@opts = GetoptLong.new
end
it "allows setting command line options" do
argv ["--size", "10k", "-v", "arg1", "arg2"] do
@opts.set_options(
["--size", GetoptLong::REQUIRED_ARGUMENT],
["--verbose", "-v", GetoptLong::NO_ARGUMENT]
)
@opts.get.should == ["--size", "10k"]
@opts.get.should == ["--verbose", ""]
@opts.get.should == nil
end
end
it "discards previously defined command line options" do
argv ["--size", "10k", "-v", "arg1", "arg2"] do
@opts.set_options(
["--size", GetoptLong::REQUIRED_ARGUMENT],
["--verbose", "-v", GetoptLong::NO_ARGUMENT]
)
@opts.set_options(
["-s", "--size", GetoptLong::REQUIRED_ARGUMENT],
["-v", GetoptLong::NO_ARGUMENT]
)
@opts.get.should == ["-s", "10k"]
@opts.get.should == ["-v", ""]
@opts.get.should == nil
end
end
it "raises an ArgumentError if too many argument flags where given" do
argv [] do
lambda {
@opts.set_options(["--size", GetoptLong::NO_ARGUMENT, GetoptLong::REQUIRED_ARGUMENT])
}.should raise_error(ArgumentError)
end
end
it "raises a RuntimeError if processing has already started" do
argv [] do
@opts.get
lambda {
@opts.set_options()
}.should raise_error(RuntimeError)
end
end
it "raises an ArgumentError if no argument flag was given" do
argv [] do
lambda {
@opts.set_options(["--size"])
}.should raise_error(ArgumentError)
end
end
it "raises an ArgumentError if one of the given arguments is not an Array" do
argv [] do
lambda {
@opts.set_options(
["--size", GetoptLong::REQUIRED_ARGUMENT],
"test")
}.should raise_error(ArgumentError)
end
end
it "raises an ArgumentError if the same option is given twice" do
argv [] do
lambda {
@opts.set_options(
["--size", GetoptLong::NO_ARGUMENT],
["--size", GetoptLong::OPTIONAL_ARGUMENT])
}.should raise_error(ArgumentError)
lambda {
@opts.set_options(
["--size", GetoptLong::NO_ARGUMENT],
["-s", "--size", GetoptLong::OPTIONAL_ARGUMENT])
}.should raise_error(ArgumentError)
end
end
it "raises an ArgumentError if the given option is invalid" do
argv [] do
lambda {
@opts.set_options(["-size", GetoptLong::NO_ARGUMENT])
}.should raise_error(ArgumentError)
end
end
end
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