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Contents
module WaitForHelper
# Wait for a condition to be met
#
# @example
# # Perform threaded operation
# wait_for("enough probe calls") { probe.calls >= 2 }
# # Assert on result
#
# @param name [String] The name of the condition to check. Used in the
# error when it fails.
# @yield Assertion to check.
# @yieldreturn [Boolean] True/False value that indicates if the condition
# is met.
# @raise [StandardError] Raises error if the condition is not met after 5
# seconds, 5_000 tries.
def wait_for(name)
max_wait = 5_000
i = 0
error = nil
while i < max_wait
begin
result = yield
break if result
rescue Exception => e # rubocop:disable Lint/RescueException
# Capture error so we know if it exited with an error
error = e
ensure
i += 1
sleep 0.001
end
end
return unless i >= max_wait
error_message =
if error
"\nError: #{error.class}: #{error.message}\n#{error.backtrace.join("\n")}"
end
raise "Waited 5 seconds for #{name} condition, but was not met.#{error_message}"
end
end
Version data entries
88 entries across 88 versions & 1 rubygems