language: python
python:
  - "2.7"
  - "3.6"
before_install:
  - sudo apt-get update -qq
  - sudo apt-get install -qq libhdf5-dev
install:
  - pip install -q .[tensorflow]
  - pip install -q .[tests]
  # Make sure we have the latest version of numpy - avoid problems we were
  # seeing with Python 3
  - pip install -q -U numpy
env:
  global:
    - T2T_PROBLEM=algorithmic_reverse_binary40_test
    - T2T_DATA_DIR=/tmp/t2t-data
    - T2T_TRAIN_DIR=/tmp/t2t-train
script:
  # Check import
  - python -c "from tensor2tensor.models import transformer; print(transformer.Transformer.__name__)"

  # Run tests
  - pytest --ignore=tensor2tensor/utils/registry_test.py --ignore=tensor2tensor/problems_test.py --ignore=tensor2tensor/utils/trainer_lib_test.py --ignore=tensor2tensor/data_generators/algorithmic_math_test.py
  - pytest tensor2tensor/utils/registry_test.py
  - pytest tensor2tensor/utils/trainer_lib_test.py

  # Run installed scripts
  - t2t-datagen 2>&1 | grep translate && echo passed
  - t2t-trainer --registry_help

  # Test --t2t_usr_dir
  - t2t-trainer --registry_help --t2t_usr_dir=./tensor2tensor/test_data/example_usr_dir 2>&1 | grep my_very_own_hparams && echo passed

  # Run data generation, training, and decoding on a dummy problem
  - t2t-datagen --problem=$T2T_PROBLEM --data_dir=$T2T_DATA_DIR
  - t2t-trainer --problems=$T2T_PROBLEM --data_dir=$T2T_DATA_DIR --model=transformer --hparams_set=transformer_tiny --train_steps=5 --eval_steps=5 --output_dir=$T2T_TRAIN_DIR
  - t2t-decoder --problems=$T2T_PROBLEM --data_dir=$T2T_DATA_DIR --model=transformer --hparams_set=transformer_tiny --output_dir=$T2T_TRAIN_DIR --decode_hparams='num_samples=10'
git:
  depth: 3