Add AppVeyor config for Windows builds (albumentations-team#156)

.appveyor.yml

@@ -0,0 +1,27 @@
+build: off
+
+cache:
+  - '%LOCALAPPDATA%\pip\Cache'
+
+environment:
+  IMGAUG_NO_CV2_INSTALLED_CHECK: 'TRUE'
+
+  matrix:
+    - PYTHON: 'C:\Python27-x64'
+      SHAPELY_WHEEL: 'https://download.lfd.uci.edu/pythonlibs/r5uhg2lo/Shapely-1.6.4.post1-cp27-cp27m-win_amd64.whl'
+    - PYTHON: 'C:\Python35-x64'
+      SHAPELY_WHEEL: 'https://download.lfd.uci.edu/pythonlibs/r5uhg2lo/Shapely-1.6.4.post1-cp35-cp35m-win_amd64.whl'
+    - PYTHON: 'C:\Python36-x64'
+      SHAPELY_WHEEL: 'https://download.lfd.uci.edu/pythonlibs/r5uhg2lo/Shapely-1.6.4.post1-cp36-cp36m-win_amd64.whl'
+    - PYTHON: 'C:\Python37-x64'
+      SHAPELY_WHEEL: 'https://download.lfd.uci.edu/pythonlibs/r5uhg2lo/Shapely-1.6.4.post1-cp37-cp37m-win_amd64.whl'
+
+install:
+  - '%PYTHON%\python.exe -m pip install -U pip wheel setuptools'
+  - '%PYTHON%\python.exe -m pip install %SHAPELY_WHEEL%'
+  - '%PYTHON%\python.exe -m pip install .[tests]'
+  - '%PYTHON%\python.exe -m pip install flake8 flake8-docstrings'
+
+test_script:
+  - '%PYTHON%\python.exe -m pytest'
+  - '%PYTHON%\python.exe -m flake8'

tests/conftest.py

@@ -1,7 +1,15 @@
+import os
+
 import numpy as np
 import pytest
 
 
+skip_appveyor = pytest.mark.skipif(
+    'APPVEYOR' in os.environ,
+    reason='Skipping test in AppVeyor',
+)
+
+
 @pytest.fixture
 def image():
     return np.random.randint(low=0, high=256, size=(100, 100, 3), dtype=np.uint8)

tests/test_functional.py

@@ -707,7 +707,7 @@ def test_resize_default_interpolation_float(target):
     height, width = resized_img.shape[:2]
     assert height == 2
     assert width == 2
-    assert np.array_equal(resized_img, expected)
+    assert_array_almost_equal_nulp(resized_img, expected)
 
 
 @pytest.mark.parametrize('target', ['image', 'mask'])

tests/test_transforms.py

@@ -8,6 +8,7 @@
     VerticalFlip, HorizontalFlip, RandomSizedCrop, RandomScale, IAAPiecewiseAffine, IAAAffine, IAAPerspective, \
     LongestMaxSize, Resize, IAASharpen
 import albumentations.augmentations.functional as F
+from .conftest import skip_appveyor
 
 
 def test_transpose_both_image_and_mask():
@@ -159,6 +160,7 @@ def __test_multiprocessing_support_proc(args):
     [IAAPerspective, {}],
     [IAASharpen, {}]
 ])
+@skip_appveyor
 def test_multiprocessing_support(augmentation_cls, params):
     """Checks whether we can use augmetnations in multi-threaded environments"""
     aug = augmentation_cls(p=1, **params)