R Under development (unstable) (2025-10-19 r88945 ucrt) -- "Unsuffered Consequences"
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> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional test configuration?
> # Learn more about the roles of various files in:
> # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
> # * https://testthat.r-lib.org/articles/special-files.html
> 
> library(testthat)
> library(ONAM)
Loading required package: keras
The keras package is deprecated. Use the keras3 package instead.

Attaching package: 'ONAM'

The following object is masked from 'package:stats':

    decompose

> 
> test_check("ONAM")
To use legacy Keras via py_require(), call py_require_legacy_keras() at the start of the R session.
Hint: To use tensorflow with `py_require()`, call `py_require("tensorflow")` at the start of the R session
[ FAIL 1 | WARN 0 | SKIP 0 | PASS 3 ]

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-onam.R:60:3'): Input checks work ───────────────────────────────
Error: Valid installation of TensorFlow not found.

Python environments searched for 'tensorflow' package:
 C:\Users\CRAN\Documents\.virtualenvs\r-reticulate\Scripts\python.exe

Python exception encountered:
 Traceback (most recent call last):
  File "D:\RCompile\CRANpkg\lib\4.6\reticulate\python\rpytools\loader.py", line 122, in _find_and_load_hook
    return _run_hook(name, _hook)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "D:\RCompile\CRANpkg\lib\4.6\reticulate\python\rpytools\loader.py", line 96, in _run_hook
    module = hook()
             ^^^^^^
  File "D:\RCompile\CRANpkg\lib\4.6\reticulate\python\rpytools\loader.py", line 120, in _hook
    return _find_and_load(name, import_)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'tensorflow'


You can install TensorFlow using the install_tensorflow() function.

Backtrace:
     ▆
  1. ├─testthat::expect_warning(...) at test-onam.R:60:3
  2. │ └─testthat:::expect_condition_matching(...)
  3. │   └─testthat:::quasi_capture(...)
  4. │     ├─testthat (local) .capture(...)
  5. │     │ └─base::withCallingHandlers(...)
  6. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
  7. ├─ONAM::onam(...)
  8. │ └─ONAM:::create_model(...)
  9. │   └─ONAM:::create_inputs(model_info, categorical_features, cat_counts)
 10. │     └─base::lapply(...)
 11. │       └─ONAM (local) FUN(X[[i]], ...)
 12. │         └─base::lapply(...)
 13. │           └─ONAM (local) FUN(X[[i]], ...)
 14. │             └─keras::layer_input(shape = n_inputs)
 15. │               ├─base::do.call(keras$layers$Input, args)
 16. │               ├─keras$layers
 17. │               └─reticulate:::`$.python.builtin.module`(keras, "layers")
 18. │                 └─reticulate::py_get_attr(x, name, TRUE)
 19. └─reticulate (local) `<fn>`(`<python.builtin.module>`)
 20.   └─keras (local) on_error(result)

[ FAIL 1 | WARN 0 | SKIP 0 | PASS 3 ]
Error: Test failures
Execution halted