module Syskit::Test::ExecutionExpectations

Definition of expectations for Roby's expect_execution harness

Public Class Methods

resolve_orocos_reader(reader) click to toggle source

@api private

Helper used to resolve reader objects

# File lib/syskit/test/execution_expectations.rb, line 8
def self.resolve_orocos_reader(reader)
    if reader.respond_to?(:to_orocos_port)
        reader = Orocos.allow_blocking_calls do
            reader.to_orocos_port
        end
    end
    if !reader.respond_to?(:read_new)
        if reader.respond_to?(:reader)
            reader = Orocos.allow_blocking_calls do
                reader.reader
            end
        end
    end
    reader
end

Public Instance Methods

have_no_new_sample(reader, at_least_during: 0) click to toggle source

Expect that no new samples arrive on the reader for a certain time period

@param [Float] at_least_during no samples should arrive for at

least that many seconds. This is a minimum.

@return [nil]

# File lib/syskit/test/execution_expectations.rb, line 30
def have_no_new_sample(reader, at_least_during: 0)
    reader = ExecutionExpectations.resolve_orocos_reader(reader)
    maintain(at_least_during: at_least_during, description: "#{reader} has one new sample #{sample}, but none was expected") do
        !reader.read_new
    end
    nil
end

have_one_new_sample(reader) click to toggle source

Expect that one sample arrives on the reader, and return the sample

@return [Object]

# File lib/syskit/test/execution_expectations.rb, line 41
def have_one_new_sample(reader)
    reader = ExecutionExpectations.resolve_orocos_reader(reader)
    achieve(description: "receive one sample on #{reader}") { reader.read_new }
end