Comments (1)
The first error is expected, launch_test
is ROS agnostic and will not automatically prepend the default launch description that's required for many launch_ros
actions to work. One may argue that actions should be somewhat more verbose about their preconditions not being met instead of crashing.
The second error, which doesn't actually result in a test failure, is a combination of things. The test does run but it finishes so quickly that even though the container action is executed it doesn't have enough time to wrap up initialization and a signal gets sent "...before subprocess transport available". The second exception is somewhat peculiar, and I'd be inclined to think it's the result of not handling the first exception correctly.
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Related Issues (20)
- WaitForToppics spends a long time waiting for the thread to join HOT 4
- Hang after repeated ctrl+c on Windows HOT 3
- `test_load_composable_nodes.py` flaky on Windows HOT 1
- Action that automatically brings LifecycleNode to active state HOT 5
- Numbers in scientific notation are not tolerated HOT 8
- :man_farmer: `test_launch_ros` test regressions on Foxy `test_launch_ros.test.test_launch_ros.actions.test_node.TestNode.*` HOT 1
- Support for conditional parameter import from yaml file in XML launch file HOT 11
- :man_farmer: Flaky issues with `launch_testing_ros`: `terminate called without an active exception` HOT 13
- LaunchConfiguration is not read from ComposableNode when included inside a group action HOT 11
- how to write a launch file to show .xacro or .urdf file to rviz2 for ros-dashing HOT 1
- IfCondition is ignored in ComposableNode if LoadComposableNodes is used HOT 5
- Is it possible to pass namespace of ComposableContainer? HOT 1
- Accessing numerical parameter causes exception
- Setting name parameter leads to duplicate nodes with same name HOT 1
- YAML-parameters won't read correctly for two or more composable nodes with non-empty root namespace HOT 2
- Get content of topic from `launch_testing_ros::WaitForTopics` HOT 6
- `WaitForTopics`: there is no way to manually trigger a topic HOT 8
- `WaitForTopics`: exit() methods should not reraise the passed-in exception HOT 1
- Component Containers on Different ROS_DOMAIN_IDs Fail to Launch HOT 1
- --ros-args argument is always present in Node HOT 1
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