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aveprojectaveproject/ave/.claude/skills/tdd/SKILL.md

tdd

Skill24 starsChanged 14 days agoApache-2.0View on GitHub

For this repo, TDD means: fixtures first, then rule, then record validation. Every rule needs a negative fixture that looks SIMILAR to the positive but is benign. A rule with only a positive fixture is a false-positive waiting to happen. Test that the rule does NOT fire on the negative.

194 other projects use a version of this.

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Used with

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The file

We split this skill into the rules it gives an agent

6 rules. 0 are common, 6 are distinctive, and 0 are very specific to this project.

  • 0

    Common

    Most of the 186 edited versions we read keep these.

  • 6

    Distinctive

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Write the positive fixture (the malicious file)

    line 7
  2. Distinctive:

    Write the negative fixture (the benign lookalike)

    line 8
  3. Distinctive:

    Write a test asserting the rule fires on positive, not on negative → FAIL

    line 9
  4. Distinctive:

    Write the rule → test PASSES

    line 10
  5. Distinctive:

    Write the AVE record JSON

    line 11
  6. Distinctive:

    Every rule needs a negative fixture that looks SIMILAR to the positive but is benign.

    line 27

“Common” is measured: kept by at least 6 in 10 of the 186 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

tdd — ave

For this repo, TDD means: fixtures first, then rule, then record validation.

Loop for a new rule

  1. Write the positive fixture (the malicious file)
  2. Write the negative fixture (the benign lookalike)
  3. Write a test asserting the rule fires on positive, not on negative → FAIL
  4. Write the rule → test PASSES
  5. Write the AVE record JSON
  6. python scripts/validate_records.py → record valid
  7. pytest tests/ -x -q → full suite green

What/Why/How on validation functions

# What: returns True if every record in records/ validates against the schema
# Why:  one malformed record breaks every scanner that loads the record set
# How:  loads each JSON, runs jsonschema.validate, collects all errors
def all_records_valid() -> tuple[bool, list[str]]:
    ...

The negative fixture rule

Every rule needs a negative fixture that looks SIMILAR to the positive but is benign. A rule with only a positive fixture is a false-positive waiting to happen. Test that the rule does NOT fire on the negative.

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