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Versions: 44
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Contents
module RSpec
module Rails
module Matchers
module ActionCable
# @api private
# Provides the implementation for `have_stream`, `have_stream_for`, and `have_stream_from`.
# Not intended to be instantiated directly.
class HaveStream < RSpec::Matchers::BuiltIn::BaseMatcher
# @api private
# @return [String]
def failure_message
"expected to have #{base_message}"
end
# @api private
# @return [String]
def failure_message_when_negated
"expected not to have #{base_message}"
end
# @api private
# @return [Boolean]
def matches?(subscription)
raise(ArgumentError, "have_streams is used for negated expectations only") if no_expected?
match(subscription)
end
# @api private
# @return [Boolean]
def does_not_match?(subscription)
!match(subscription)
end
private
def match(subscription)
case subscription
when ::ActionCable::Channel::Base
@actual = subscription.streams
no_expected? ? actual.any? : actual.any? { |i| expected === i }
else
raise ArgumentError, "have_stream, have_stream_from and have_stream_from support expectations on subscription only"
end
end
def base_message
no_expected? ? "any stream started" : "stream #{expected_formatted} started, but have #{actual_formatted}"
end
def no_expected?
!defined?(@expected)
end
end
end
end
end
end
Version data entries
44 entries across 41 versions & 7 rubygems