old_contents: """
  Runs all example scripts. Only tests whether examples can be executed.
  """
  import pytest
  import os
  import subprocess
  import glob
  import sys
  import shutil
  
  # set environment flag
  # can be used in examples to reduce cpu cost
  os.environ['THETIS_REGRESSION_TEST'] = "1"
  
  exclude_files = [
      'baroclinic_eddies/diagnostics.py',
      'baroclinic_eddies/submitRuns.py',
      'bottomFriction/plot_results.py',
      'columbia_plume/atm_forcing.py',
      'columbia_plume/bathymetry.py',
      'columbia_plume/cre-plume.py',
      'columbia_plume/diagnostics.py',
      'columbia_plume/plot_elevation_ts.py',
      'columbia_plume/roms_forcing.py',
      'columbia_plume/test_bathy_smoothing.py',
      'columbia_plume/tidal_forcing.py',
      'columbia_plume/timeseries_forcing.py',
      'dome/diagnostics.py',
      'dome/dome_setup.py',
      'dome/plot_histogram.py',
      'katophillips/plot_results.py',
      'lockExchange/diagnostics.py',
      'lockExchange/plotting.py',
      'lockExchange/submitRuns.py',
      'tidalfarm/tidalfarm.py',
      'tidal_barrage/plotting.py',
  ]
  
  cwd = os.path.abspath(os.path.dirname(__file__))
  examples_dir = os.path.abspath(os.path.join(cwd, '..', '..', 'examples'))
  
  exclude_files = [os.path.join(examples_dir, f) for f in exclude_files]
  
  all_examples = glob.glob(os.path.join(examples_dir, '*/*.py'))
  all_examples = [f for f in all_examples if f not in exclude_files]
  
  
  @pytest.fixture(params=all_examples,
                  ids=lambda x: os.path.basename(x))
  def example_file(request):
      return os.path.abspath(request.param)
  
  
  def test_examples(example_file, tmpdir, monkeypatch):
      assert os.path.isfile(example_file), 'File not found {:}'.format(example_file)
      # copy mesh files
      source = os.path.dirname(example_file)
      for f in glob.glob(os.path.join(source, '*.msh')):
          shutil.copy(f, tmpdir)
      # change workdir to temporary dir
      monkeypatch.chdir(tmpdir)
      subprocess.check_call([sys.executable, example_file])
  
new_contents: """
  Runs all example scripts. Only tests whether examples can be executed.
  """
  import pytest
  import os
  import subprocess
  import glob
  import sys
  import shutil
  
  # set environment flag
  # can be used in examples to reduce cpu cost
  os.environ['THETIS_REGRESSION_TEST'] = "1"
  
  exclude_files = [
      'baroclinic_eddies/diagnostics.py',
      'baroclinic_eddies/submitRuns.py',
      'bottomFriction/plot_results.py',
      'columbia_plume/atm_forcing.py',
      'columbia_plume/bathymetry.py',
      'columbia_plume/cre-plume.py',
      'columbia_plume/diagnostics.py',
      'columbia_plume/plot_elevation_ts.py',
      'columbia_plume/roms_forcing.py',
      'columbia_plume/test_bathy_smoothing.py',
      'columbia_plume/tidal_forcing.py',
      'columbia_plume/timeseries_forcing.py',
      'dome/diagnostics.py',
      'dome/dome_setup.py',
      'dome/plot_histogram.py',
      'katophillips/plot_results.py',
      'lockExchange/diagnostics.py',
      'lockExchange/plotting.py',
      'lockExchange/submitRuns.py',
      'tidalfarm/tidalfarm.py',
      'tidal_barrage/plotting.py',
  ]
  
  cwd = os.path.abspath(os.path.dirname(__file__))
  examples_dir = os.path.abspath(os.path.join(cwd, '..', '..', 'examples'))
  
  exclude_files = [os.path.join(examples_dir, f) for f in exclude_files]
  
  all_examples = glob.glob(os.path.join(examples_dir, '*/*.py'))
  all_examples = [f for f in all_examples if f not in exclude_files]
  
  
  @pytest.fixture(params=all_examples,
                  ids=lambda x: os.path.basename(x))
  def example_file(request):
      return os.path.abspath(request.param)
  
  
  def test_examples(example_file, tmpdir, monkeypatch):
      assert os.path.isfile(example_file), 'File not found {:}'.format(example_file)
      # copy mesh files
      source = os.path.dirname(example_file)
      for f in glob.glob(os.path.join(source, '*.msh')):
          shutil.copy(f, str(tmpdir))
      # change workdir to temporary dir
      monkeypatch.chdir(tmpdir)
      subprocess.check_call([sys.executable, example_file])
  
subject: test examples: fix mesh copy to tmp dir