# Lint as: python3
# Copyright 2021 The IREE Authors
#
# Licensed under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

import glob
import os
import subprocess
import unittest

from absl.testing import absltest

NOTEBOOKS_TO_SKIP = []

NOTEBOOKS_EXPECTED_TO_FAIL = [
    # Text classification notebook fails to extract the vocab file on Docker
    # (needs visibility into the tempdir?)
    "tflite_text_classification.ipynb",
]


class ColabNotebookTests(absltest.TestCase):
  """Tests running all Colab notebooks in this directory."""

  @classmethod
  def generateTests(cls):
    repo_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
    script_path = os.path.join(repo_root,
                               "build_tools/testing/run_python_notebook.sh")

    # Create a test case for each notebook in this folder.
    notebooks_path = os.path.join(repo_root, "colab/")
    for notebook_path in glob.glob(notebooks_path + "*.ipynb"):
      notebook_name = os.path.basename(notebook_path)

      def unit_test(self, notebook_path=notebook_path):

        completed_process = subprocess.run([script_path, notebook_path])
        self.assertEqual(completed_process.returncode, 0)

      if notebook_name in NOTEBOOKS_TO_SKIP:
        unit_test = unittest.skip("Skip requested")(unit_test)
      elif notebook_name in NOTEBOOKS_EXPECTED_TO_FAIL:
        unit_test = unittest.expectedFailure(unit_test)

      # Add 'unit_test' to this class, so the test runner runs it.
      unit_test.__name__ = f"test_{notebook_name}"
      setattr(cls, unit_test.__name__, unit_test)


if __name__ == "__main__":
  ColabNotebookTests.generateTests()
  absltest.main()