mcp-server-semgrep/semgrep-rules/python/lang/correctness/test-is-missing-assert.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
  - id: test-is-missing-assert
    languages:
      - python
    message: >-
      Comparison without assertion. The result of this
      comparison is not used. Perhaps this expression
      is missing an `assert` keyword.
    patterns:
      - pattern: $A == $B
      - pattern-not-inside: assert ...
      - pattern-not-inside: $X = ...
      - pattern-not-inside: $X += ...
      - pattern-not-inside: $X |= ...
      - pattern-not-inside: $X &= ...
      - pattern-not-inside: yield $X
      - pattern-not-inside: $X and $Y
      - pattern-not-inside: $X or $Y
      - pattern-not-inside: return ...
      - pattern-not-inside: $FUNC(...)
      - pattern-not-inside: |
          while $EXPR:
            ...
      - pattern-not-inside: |
          with (...):
            ...
      - pattern-not-inside: |
          [...]
      - pattern-not-inside: |
          $EXPR[...]
      - pattern-not-inside: |
          if ...:
              ...
    severity: WARNING
    paths:
      include:
        - test*.py
    metadata:
      category: correctness
      technology:
        - python