Source OneSignal: correct get_update_state and unit test

[marcosmarxm]

What

I removed a complex logic to get the update state from this connector.
Closes #7615

How

Describe the solution

Recommended reading order

1. x.java
2. y.python

Pre-merge Checklist

Expand the relevant checklist and delete the others.

New Connector

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• Unit & integration tests added and passing. Community members, please provide proof of success locally e.g: screenshot or copy-paste unit, integration, and acceptance test output. To run acceptance tests for a Python connector, follow instructions in the README. For java connectors run ./gradlew :airbyte-integrations:connectors:<name>:integrationTest.
• Code reviews completed
• Documentation updated
  • Connector's README.md
  • Connector's bootstrap.md. See description and examples
  • docs/SUMMARY.md
  • docs/integrations/<source or destination>/<name>.md including changelog. See changelog example
  • docs/integrations/README.md
  • airbyte-integrations/builds.md
• PR name follows PR naming conventions
• Connector added to connector index like described here

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If this is a community PR, the Airbyte engineer reviewing this PR is responsible for the below items.

• Create a non-forked branch based on this PR and test the below items on it
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Updating a connector

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• Unit & integration tests added and passing. Community members, please provide proof of success locally e.g: screenshot or copy-paste unit, integration, and acceptance test output. To run acceptance tests for a Python connector, follow instructions in the README. For java connectors run ./gradlew :airbyte-integrations:connectors:<name>:integrationTest.
• Code reviews completed
• Documentation updated
  • Connector's README.md
  • Connector's bootstrap.md. See description and examples
  • Changelog updated in docs/integrations/<source or destination>/<name>.md including changelog. See changelog example
• PR name follows PR naming conventions
• Connector version bumped like described here

Airbyter

If this is a community PR, the Airbyte engineer reviewing this PR is responsible for the below items.

• Create a non-forked branch based on this PR and test the below items on it
• Build is successful
• Credentials added to Github CI. Instructions.
• /test connector=connectors/<name> command is passing.
• New Connector version released on Dockerhub by running the /publish command described here

Connector Generator

• Issue acceptance criteria met
• PR name follows PR naming conventions
• If adding a new generator, add it to the list of scaffold modules being tested
• The generator test modules (all connectors with -scaffold in their name) have been updated with the latest scaffold by running ./gradlew :airbyte-integrations:connector-templates:generator:testScaffoldTemplates then checking in your changes
• Documentation which references the generator is updated as needed.

[marcosmarxm]

/test connector=connectors/source-onesignal

🕑 connectors/source-onesignal https://github.com/airbytehq/airbyte/actions/runs/1419450770
✅ connectors/source-onesignal https://github.com/airbytehq/airbyte/actions/runs/1419450770
Python tests coverage:

	 ---------- coverage: platform linux, python 3.8.10-final-0 -----------
	 Name                                                 Stmts   Miss  Cover
	 ------------------------------------------------------------------------
	 source_acceptance_test/__init__.py                       2      0   100%
	 source_acceptance_test/base.py                          10      4    60%
	 source_acceptance_test/config.py                        75      8    89%
	 source_acceptance_test/conftest.py                     108    108     0%
	 source_acceptance_test/plugin.py                        47     47     0%
	 source_acceptance_test/tests/__init__.py                 4      0   100%
	 source_acceptance_test/tests/test_core.py              200     94    53%
	 source_acceptance_test/tests/test_full_refresh.py       33     22    33%
	 source_acceptance_test/tests/test_incremental.py        69     38    45%
	 source_acceptance_test/utils/__init__.py                 6      0   100%
	 source_acceptance_test/utils/asserts.py                 37      2    95%
	 source_acceptance_test/utils/common.py                  41     24    41%
	 source_acceptance_test/utils/compare.py                 62     25    60%
	 source_acceptance_test/utils/connector_runner.py        82     49    40%
	 source_acceptance_test/utils/json_schema_helper.py     115     14    88%
	 ------------------------------------------------------------------------
	 TOTAL                                                  891    435    51%
	 ---------- coverage: platform linux, python 3.8.10-final-0 -----------
	 Name                                       Stmts   Miss  Cover
	 --------------------------------------------------------------
	 base_python/__init__.py                       13      0   100%
	 base_python/catalog_helpers.py                10      6    40%
	 base_python/cdk/__init__.py                    0      0   100%
	 base_python/cdk/abstract_source.py            83     59    29%
	 base_python/cdk/streams/__init__.py            0      0   100%
	 base_python/cdk/streams/auth/__init__.py       0      0   100%
	 base_python/cdk/streams/auth/core.py           8      1    88%
	 base_python/cdk/streams/auth/jwt.py            5      5     0%
	 base_python/cdk/streams/auth/oauth.py         37     26    30%
	 base_python/cdk/streams/auth/token.py          9      4    56%
	 base_python/cdk/streams/core.py               63     32    49%
	 base_python/cdk/streams/exceptions.py         10      2    80%
	 base_python/cdk/streams/http.py               67     33    51%
	 base_python/cdk/streams/rate_limiting.py      30     14    53%
	 base_python/cdk/utils/__init__.py              0      0   100%
	 base_python/cdk/utils/casing.py                4      0   100%
	 base_python/client.py                         56     33    41%
	 base_python/entrypoint.py                     70     56    20%
	 base_python/integration.py                    52     25    52%
	 base_python/logger.py                         33     19    42%
	 base_python/schema_helpers.py                 56     41    27%
	 base_python/source.py                         51     34    33%
	 main_dev.py                                    3      3     0%
	 --------------------------------------------------------------
	 TOTAL                                        660    393    40%
	 ---------- coverage: platform linux, python 3.8.10-final-0 -----------
	 Name                           Stmts   Miss  Cover
	 --------------------------------------------------
	 source_onesignal/__init__.py       2      0   100%
	 source_onesignal/source.py        25      2    92%
	 source_onesignal/streams.py      107      6    94%
	 --------------------------------------------------
	 TOTAL                            134      8    94%

[alafanechere]

Do we've an insight about why this complex logic was implemented?

[marcosmarxm]

/publish connector=connectors/source-onesignal

🕑 connectors/source-onesignal https://github.com/airbytehq/airbyte/actions/runs/1440560289
❌ connectors/source-onesignal https://github.com/airbytehq/airbyte/actions/runs/1440560289

[marcosmarxm]

Do we've an insight about why this complex logic was implemented?

I think the user was trying to enhance the types, which makes sense, but it's better keep simple.

[marcosmarxm]

/publish connector=connectors/source-onesignal

🕑 connectors/source-onesignal https://github.com/airbytehq/airbyte/actions/runs/1446485392
❌ connectors/source-onesignal https://github.com/airbytehq/airbyte/actions/runs/1446485392

[marcosmarxm]

/publish connector=connectors/source-onesignal

🕑 connectors/source-onesignal https://github.com/airbytehq/airbyte/actions/runs/1446597125
✅ connectors/source-onesignal https://github.com/airbytehq/airbyte/actions/runs/1446597125