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#! /usr/bin/env ruby
require 'spec_helper'
require 'puppet/face'
describe Puppet::Face[:help, '0.0.1'] do
it "has a help action" do
subject.should be_action :help
end
it "has a default action of help" do
subject.get_action('help').should be_default
end
it "accepts a call with no arguments" do
expect {
subject.help()
}.to_not raise_error
end
it "accepts a face name" do
expect { subject.help(:help) }.to_not raise_error
end
it "accepts a face and action name" do
expect { subject.help(:help, :help) }.to_not raise_error
end
it "fails if more than a face and action are given" do
expect { subject.help(:help, :help, :for_the_love_of_god) }.
to raise_error ArgumentError
end
it "treats :current and 'current' identically" do
subject.help(:help, :version => :current).should ==
subject.help(:help, :version => 'current')
end
it "raises an error when the face is unavailable" do
expect {
subject.help(:huzzah, :bar, :version => '17.0.0')
}.to raise_error(ArgumentError, /Could not find version 17\.0\.0/)
end
it "finds a face by version" do
face = Puppet::Face[:huzzah, :current]
subject.help(:huzzah, :version => face.version).
should == subject.help(:huzzah, :version => :current)
end
context "when listing subcommands" do
subject { Puppet::Face[:help, :current].help }
RSpec::Matchers.define :have_a_summary do
match do |instance|
instance.summary.is_a?(String)
end
end
# Check a precondition for the next block; if this fails you have
# something odd in your set of face, and we skip testing things that
# matter. --daniel 2011-04-10
it "has at least one face with a summary" do
Puppet::Face.faces.should be_any do |name|
Puppet::Face[name, :current].summary
end
end
it "lists all faces which are runnable from the command line" do
help_face = Puppet::Face[:help, :current]
# The main purpose of the help face is to provide documentation for
# command line users. It shouldn't show documentation for faces
# that can't be run from the command line, so, rather than iterating
# over all available faces, we need to iterate over the subcommands
# that are available from the command line.
Puppet::Application.available_application_names.each do |name|
next unless help_face.is_face_app?(name)
next if help_face.exclude_from_docs?(name)
face = Puppet::Face[name, :current]
summary = face.summary
subject.should =~ %r{ #{name} }
summary and subject.should =~ %r{ #{name} +#{summary}}
end
end
context "face summaries" do
it "can generate face summaries" do
faces = Puppet::Face.faces
faces.length.should > 0
faces.each do |name|
Puppet::Face[name, :current].should have_a_summary
end
end
end
it "lists all legacy applications" do
Puppet::Face[:help, :current].legacy_applications.each do |appname|
subject.should =~ %r{ #{appname} }
summary = Puppet::Face[:help, :current].horribly_extract_summary_from(appname)
summary and subject.should =~ %r{ #{summary}\b}
end
end
end
context "#legacy_applications" do
subject { Puppet::Face[:help, :current].legacy_applications }
# If we don't, these tests are ... less than useful, because they assume
# it. When this breaks you should consider ditching the entire feature
# and tests, but if not work out how to fake one. --daniel 2011-04-11
it { should have_at_least(1).item }
# Meh. This is nasty, but we can't control the other list; the specific
# bug that caused these to be listed is annoyingly subtle and has a nasty
# fix, so better to have a "fail if you do something daft" trigger in
# place here, I think. --daniel 2011-04-11
%w{face_base indirection_base}.each do |name|
it { should_not include name }
end
end
context "help for legacy applications" do
subject { Puppet::Face[:help, :current] }
let :appname do subject.legacy_applications.first end
# This test is purposely generic, so that as we eliminate legacy commands
# we don't get into a loop where we either test a face-based replacement
# and fail to notice breakage, or where we have to constantly rewrite this
# test and all. --daniel 2011-04-11
it "returns the legacy help when given the subcommand" do
help = subject.help(appname)
help.should =~ /puppet-#{appname}/
%w{SYNOPSIS USAGE DESCRIPTION OPTIONS COPYRIGHT}.each do |heading|
help.should =~ /^#{heading}$/
end
end
it "fails when asked for an action on a legacy command" do
expect { subject.help(appname, :whatever) }.
to raise_error ArgumentError, /Legacy subcommands don't take actions/
end
end
end
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