TestErrorUnwrap() — gin Function Reference

Architecture documentation for the TestErrorUnwrap() function in errors_test.go from the gin codebase.

Function go GinCore Middleware

Entity Profile

GinCore→ Middleware→ TestErrorUnwrap() — gin Function Reference

Dependency Diagram

graph TD
  86e6679c_2bf7_8fc6_7bcb_b420e129eadf["TestErrorUnwrap()"]
  bd4678df_f6bd_26e2_4f83_00536939b6d9["errors_test.go"]
  86e6679c_2bf7_8fc6_7bcb_b420e129eadf -->|defined in| bd4678df_f6bd_26e2_4f83_00536939b6d9
  style 86e6679c_2bf7_8fc6_7bcb_b420e129eadf fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

errors_test.go lines 116–140

func TestErrorUnwrap(t *testing.T) {
	innerErr := TestErr("some error")

	// 2 layers of wrapping : use 'fmt.Errorf("%w")' to wrap a gin.Error{}, which itself wraps innerErr
	err := fmt.Errorf("wrapped: %w", &Error{
		Err:  innerErr,
		Type: ErrorTypeAny,
	})

	// check that 'errors.Is()' and 'errors.As()' behave as expected :
	require.ErrorIs(t, err, innerErr)
	var testErr TestErr
	require.ErrorAs(t, err, &testErr)

	// Test non-pointer usage of gin.Error
	errNonPointer := Error{
		Err:  innerErr,
		Type: ErrorTypeAny,
	}
	wrappedErr := fmt.Errorf("wrapped: %w", errNonPointer)
	// Check that 'errors.Is()' and 'errors.As()' behave as expected for non-pointer usage
	require.ErrorIs(t, wrappedErr, innerErr)
	var testErrNonPointer TestErr
	require.ErrorAs(t, wrappedErr, &testErrNonPointer)
}