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Tips to help debugging

Hidden flags

The iosdk has a number of hidden flags useful for development

Global flags

  • --use-default-api-key: do not generate an api key use the default one
  • --skip-docker-version: do not check the docker version
  • --skip-pull-images: do not pull images
  • --skip-open-browser: no not open the browser
  • --skip-ide: do not start the ide

Hidden commands:

  • wskprops: set the .wskprops to use wsk with the server
  • ide-deploy: deploy the ide
  • ide-destroy: destroy the ide
  • whisk-deploy: deploy whisk
  • whisk-destroy: destroy whisk
  • redis-deploy: deploy redis
  • redis-destroy: destroy redis

Checking ide test results

You can run the test suite of the cli with

cd iosdk
make test

If a test fails it may be difficult to understand what is wrong in the output.

The test command saves the test output in difftest.out

The difftest.py comes to the rescue, you pass the test output and returns a list of failed tests , with an index:

$ python3 difftest.py 
0 --- FAIL: ExampleIdeDockerRun (0.00s)
1 --- FAIL: ExampleStart (1.03s)

Then you can see what went wrong in a single test passing the index:

$ python3 difftest.py 1
31c31
< docker run -d -p 3000:3000 --rm --name iosdk-theia -e HOME=/home/project --add-host=openwhisk: 172.17.0.2 -v /tmp/iosdk-test/javascript:/home/project pagopa/iosdk-theia:test 
---
> docker run -d -p 3000:3000 --rm --name iosdk-theia --add-host=openwhisk:172.17.0.2 -v /tmp/iosdk-test/javascript:/home/project pagopa/iosdk-theia:test

Debugging action tests

Bats tests are shell scripts.

The easiest way to debug them is to execute them line by line using VSCode.

First, configure a keybinding to execute a line in the terminal.

Open the keybindings.json as described here and add this snippet:

{
  "key": "ctrl+enter",
  "command": "workbench.action.terminal.runSelectedText",
  "when": "editorTextFocus"
}

Open a terminal, change to admnin/actions then do a source debug-src.

Open a test and send each line to the terminal with control-enter.