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Temporal Python Testing Strategies · microck | DecimalAI

testingby microck

Temporal Python Testing Strategies

microck/temporal-python-testing

Source microck/ordinary-claude-skills ↗License NOASSERTION

Test Temporal workflows with pytest, time-skipping, and mocking strategies. Covers unit testing, integration testing, replay testing, and local development setup.

SkillScore100Maintained

Automatic

QA & Test Engineering pack

Last verified 8/21/2026

What it changes

Passed 23 of 23 test cases with the skill, and 18 of 23 without it.

Without skill78%

With skill100%

Checks it passed that the model alone missed

The three test types are unit, integration, and end-to-end.
Target at least 80% coverage for workflow and activity logic.
Use the `Replayer` class to replay stored workflow histories.

and 2 more in the full report

5 fixed18 passed either way0 still failing0 broke

Pass-rate lift: +22 pp
Tokens: +24%
Agent turns: 0%
Response time: -32%

Model gemini-3.6-flashMeasured 8/21/2026v123 of 23 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/microck-temporal-python-testing/SKILL.md https://app.decimal.ai/s/microck-temporal-python-testing/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add microck-temporal-python-testing, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/microck-temporal-python-testing/ and pins it in .decimal/skills.lock

decimalai skills add microck-temporal-python-testing

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/microck-temporal-python-testing/SKILL.md https://app.decimal.ai/s/microck-temporal-python-testing/SKILL.md

Raw file: /s/microck-temporal-python-testing/SKILL.md ↗ · machine-readable summary at /s/microck-temporal-python-testing.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 5

Prompt

When validating that updated Temporal Python workflow code remains deterministic using JSON history files from production, which class from `temporalio.worker` handles history replaying?

What was checked, without and with the skill
Checked	Without skill	With skill
Use the `Replayer` class to replay stored workflow histories.	Missed	Passed

case-08 · gemini-3.6-flash · 8/21/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md141 linessingle file

Temporal Python Testing Strategies

Comprehensive testing approaches for Temporal workflows using pytest, progressive disclosure resources for specific testing scenarios.

When to Use This Skill

Unit testing workflows - Fast tests with time-skipping
Integration testing - Workflows with mocked activities
Replay testing - Validate determinism against production histories
Local development - Set up Temporal server and pytest
CI/CD integration - Automated testing pipelines
Coverage strategies - Achieve ≥80% test coverage

Testing Philosophy

Recommended Approach (Source: docs.temporal.io/develop/python/testing-suite):

Write majority as integration tests
Use pytest with async fixtures
Time-skipping enables fast feedback (month-long workflows → seconds)
Mock activities to isolate workflow logic
Validate determinism with replay testing

Three Test Types:

Unit: Workflows with time-skipping, activities with ActivityEnvironment
Integration: Workers with mocked activities
End-to-end: Full Temporal server with real activities (use sparingly)

Available Resources

This skill provides detailed guidance through progressive disclosure. Load specific resources based on your testing needs:

Unit Testing Resources

File: resources/unit-testing.md When to load: Testing individual workflows or activities in isolation Contains:

WorkflowEnvironment with time-skipping
ActivityEnvironment for activity testing
Fast execution of long-running workflows
Manual time advancement patterns
pytest fixtures and patterns

Track record

Benchmark

23 / 23

test cases passed, vs 18 / 23 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

microck / ordinary-claude-skills

skills_all/temporal-python-testing/SKILL.md

View on GitHub ↗

License NOASSERTIONImported 8/3/2026Version v1

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See it in action

What's inside

Temporal Python Testing Strategies

When to Use This Skill

Testing Philosophy

Available Resources

Unit Testing Resources

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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