migrate from nose to pytest (#163)

* migrate from nose to pytest

* RDP

Author: StrikerRUS

.travis.yml

@@ -17,9 +17,9 @@ install:
   # Useful for debugging any issues with conda
   - conda info -a
 
-  - conda create -q -n test-environment python=$PYTHON_VERSION numpy scipy nose cython scikit-learn six joblib
+  - conda create -q -n test-environment python=$PYTHON_VERSION numpy scipy pytest cython scikit-learn six joblib
   - source activate test-environment
   - make all
 
 script:
-  - nosetests -v
+  - pytest -v --pyargs lightning

README.rst

@@ -67,7 +67,7 @@ Dependencies
 ------------
 
 lightning requires Python >= 2.7, setuptools, Numpy >= 1.3, SciPy >= 0.7 and
-scikit-learn >= 0.15. Building from source also requires Cython and a working C/C++ compiler. To run the tests you will also need nose >= 0.10.
+scikit-learn >= 0.15. Building from source also requires Cython and a working C/C++ compiler. To run the tests you will also need pytest.
 
 Installation
 ------------

appveyor.yml

@@ -52,23 +52,15 @@ install:
   - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
   - "python -m pip --version"
 
-  - "python -m pip install --timeout=60 numpy scipy cython nose scikit-learn wheel six joblib"
+  - "python -m pip install --timeout=60 numpy scipy cython pytest scikit-learn wheel six joblib"
   - "python setup.py bdist_wheel bdist_wininst"
 
   - ps: "ls dist"
   # Install the generated wheel package to test it
   - "python -m pip install --pre --no-index --find-links dist/ sklearn-contrib-lightning"
 
 test_script:
-  # Change to a non-source folder to make sure we run the tests on the
-  # installed library.
-  - "mkdir empty_folder"
-  - "cd empty_folder"
-
-  - "python -c \"import nose; nose.main()\" -s -v lightning"
-
-  # Move back to the project folder
-  - "cd .."
+  - "pytest -v --pyargs lightning"
 
 artifacts:
   # Archive the generated wheel package in the ci.appveyor.com build report.

build_tools/windows/windows_testing_downloader.ps1

@@ -114,8 +114,8 @@ function PipInstall($pkg_name, $python_version, $extra_args) {
     Invoke-Expression -Command "$pip install $pkg_name"
 }
 
-function InstallNose($python_version) {
-    PipInstall "nose" $python_version 
+function InstallPytest($python_version) {
+    PipInstall "pytest" $python_version 
 }
 
 function WheelInstall($name, $url, $python_version) {
@@ -254,7 +254,7 @@ function main {
         } else {
            EnsurePip $py 
         }
-        InstallNose $py
+        InstallPytest $py
         InstallWheel $py
 
         # The installers below here use wheel packages.

lightning/impl/tests/test_sag.py

@@ -473,7 +473,3 @@ def test_sag_adaptive():
             eta='auto', loss='log', random_state=0, alpha=alpha, max_iter=20)
         clf.fit(X, y)
         np.testing.assert_almost_equal(clf_adaptive.score(X, y), clf.score(X, y), 1)
-
-if __name__ == '__main__':
-    import nose
-    nose.run()