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require 'rspec/matchers'
module RSpec
module Matchers
# Passes if receiver is a collection with the submitted number of items OR
# if the receiver OWNS a collection with the submitted number of items.
#
# If the receiver OWNS the collection, you must use the name of the
# collection. So if a `Team` instance has a collection named `#players`,
# you must use that name to set the expectation.
#
# If the receiver IS the collection, you can use any name you like for
# `named_collection`. We'd recommend using either "elements", "members", or
# "items" as these are all standard ways of describing the things IN a
# collection.
#
# This also works for Strings, letting you set expectations about their
# lengths.
#
# @example
#
# # Passes if team.players.size == 11
# expect(team).to have(11).players
#
# # Passes if [1,2,3].length == 3
# expect([1,2,3]).to have(3).items #"items" is pure sugar
#
# # Passes if ['a', 'b', 'c'].count == 3
# expect([1,2,3]).to have(3).items #"items" is pure sugar
#
# # Passes if "this string".length == 11
# expect("this string").to have(11).characters #"characters" is pure sugar
def have(n)
RSpec::CollectionMatchers::Have.new(n)
end
alias :have_exactly :have
alias :a_collection_having :have
# Exactly like have() with >=.
#
# @example
# expect("this").to have_at_least(3).letters
#
# ### Warning:
#
# `expect(..).not_to have_at_least` is not supported
def have_at_least(n)
RSpec::CollectionMatchers::Have.new(n, :at_least)
end
# Exactly like have() with <=.
#
# @example
# expect("this").to have_at_most(4).letters
#
# ### Warning:
#
# `expect(..).not_to have_at_most` is not supported
def have_at_most(n)
RSpec::CollectionMatchers::Have.new(n, :at_most)
end
end
end
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