testCaseNonStaticCode

Test case code should be a static string literal.

✅ This rule is included in the flint logical presets.

Test case code values should be static string literals ('', "", or ` `). Dynamically generating test cases with variables, function calls, template interpolations, or spreads can make individual test cases harder to tweak, encourage catch-all tests, and make the tests difficult to statically analyze.

Examples

❌ Incorrect

const code = "a";
ruleTester.describe(rule, {
  valid: [code],
  invalid: [],
});

ruleTester.describe(rule, {
  valid: [{ code: getCode() }],
  invalid: [],
});

ruleTester.describe(rule, {
  valid: [{ code: `a${b}` }],
  invalid: [],
});

ruleTester.describe(rule, {
  valid: [{ ...baseCase }],
  invalid: [],
});

✅ Correct

ruleTester.describe(rule, {
  valid: ["a", "b", `c`],
  invalid: [],
});

Options

This rule is not configurable.