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ruby--ruby/spec/rubyspec/library/getoptlong/set_options_spec.rb
eregon 95e8c48dd3 Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-07 12:04:49 +00:00

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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