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require 'mspec/runner/mspec'
require 'mspec/runner/actions/tally'
class SpecGuard
def self.report
@report ||= Hash.new { |h,k| h[k] = [] }
end
def self.clear
@report = nil
end
def self.finish
report.keys.sort.each do |key|
desc = report[key]
size = desc.size
spec = size == 1 ? "spec" : "specs"
print "\n\n#{size} #{spec} omitted by guard: #{key}:\n"
desc.each { |description| print "\n", description; }
end
print "\n\n"
end
def self.guards
@guards ||= []
end
def self.clear_guards
@guards = []
end
# Returns a partial Ruby version string based on +which+.
# For example, if RUBY_VERSION = 8.2.3:
#
# :major => "8"
# :minor => "8.2"
# :tiny => "8.2.3"
# :teeny => "8.2.3"
# :full => "8.2.3"
def self.ruby_version(which = :minor)
case which
when :major
n = 1
when :minor
n = 2
when :tiny, :teeny, :full
n = 3
end
RUBY_VERSION.split('.')[0,n].join('.')
end
attr_accessor :name
def initialize(*args)
@parameters = args
end
def yield?(invert = false)
return true if MSpec.mode? :unguarded
allow = match? ^ invert
if !allow and reporting?
MSpec.guard
MSpec.register :finish, SpecGuard
MSpec.register :add, self
return true
elsif MSpec.mode? :verify
return true
end
allow
end
def run_if(name, &block)
@name = name
if block
yield if yield?(false)
else
yield?(false)
end
ensure
unregister
end
def run_unless(name, &block)
@name = name
if block
yield if yield?(true)
else
yield?(true)
end
ensure
unregister
end
def reporting?
MSpec.mode?(:report) or
(MSpec.mode?(:report_on) and SpecGuard.guards.include?(name))
end
def report_key
"#{name} #{@parameters.join(", ")}"
end
def record(description)
SpecGuard.report[report_key] << description
end
def add(example)
record example.description
MSpec.retrieve(:formatter).tally.counter.guards!
end
def unregister
MSpec.unguard
MSpec.unregister :add, self
end
def match?
raise "must be implemented by the subclass"
end
end
# Combined guards
def guard(condition, &block)
raise "condition must be a Proc" unless condition.is_a?(Proc)
raise LocalJumpError, "no block given" unless block
return yield if MSpec.mode? :unguarded or MSpec.mode? :verify or MSpec.mode? :report
yield if condition.call
end
def guard_not(condition, &block)
raise "condition must be a Proc" unless condition.is_a?(Proc)
raise LocalJumpError, "no block given" unless block
return yield if MSpec.mode? :unguarded or MSpec.mode? :verify or MSpec.mode? :report
yield unless condition.call
end
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