On 2.7, run tests on oldest documented supported pytest and pytest-cov.

anntzer · anntzer · commit c147c420f082 · 2017-10-08T00:01:47.000-07:00
... to make sure that they are indeed supported.
diff --git a/.travis.yml b/.travis.yml
@@ -36,21 +36,25 @@ env:
     - secure: RgJI7BBL8aX5FTOQe7xiXqWHMxWokd6GNUWp1NUV2mRLXPb9dI0RXqZt3UJwKTAzf1z/OtlHDmEkBoTVK81E9iUxK5npwyyjhJ8yTJmwfQtQF2n51Q1Ww9p+XSLORrOzZc7kAo6Kw6FIXN1pfctgYq2bQkrwJPRx/oPR8f6hcbY=
     - secure: E7OCdqhZ+PlwJcn+Hd6ns9TDJgEUXiUNEI0wu7xjxB2vBRRIKtZMbuaZjd+iKDqCKuVOJKu0ClBUYxmgmpLicTwi34CfTUYt6D4uhrU+8hBBOn1iiK51cl/aBvlUUrqaRLVhukNEBGZcyqAjXSA/Qsnp2iELEmAfOUa92ZYo1sk=
     - secure: "dfjNqGKzQG5bu3FnDNwLG8H/C4QoieFo4PfFmZPdM2RY7WIzukwKFNT6kiDfOrpwt+2bR7FhzjOGlDECGtlGOtYPN8XuXGjhcP4a4IfakdbDfF+D3NPIpf5VlE6776k0VpvcZBTMYJKNFIMc7QPkOwjvNJ2aXyfe3hBuGlKJzQU="
+    - MOCK=
+    - NOSE=
     - NUMPY=numpy
-    - OPENBLAS_NUM_THREADS=1
     - PANDAS=
+    - PYTEST=pytest
+    - PYTEST_COV=pytest-cov
+    - OPENBLAS_NUM_THREADS=1
     - NPROC=2
     - INSTALL_PEP8=
     - RUN_PEP8=
-    - NOSE=
     - PYTEST_ARGS="-rawR --maxfail=50 --timeout=300 --durations=25 --cov-report= --cov=lib -n $NPROC"
     - PYTHON_ARGS=
     - DELETE_FONT_CACHE=
 
 matrix:
   include:
     - python: 2.7
-      env: MOCK=mock NUMPY=numpy==1.7.1 PANDAS=pandas NOSE=nose
+      # pytest-cov>=2.3.1 due to https://github.com/pytest-dev/pytest-cov/issues/124.
+      env: MOCK=mock NOSE=nose NUMPY=numpy==1.7.1 PANDAS=pandas PYTEST=pytest==3.0.0 PYTEST_COV=pytest-cov==2.3.1
     - python: 3.4
       env: PYTHON_ARGS=-OO
     - python: 3.6
@@ -101,17 +105,19 @@ install:
     # Upgrade pip and setuptools and wheel to get as clean an install as possible
     pip install --upgrade pip setuptools wheel
   - |
-    # Install dependencies from pypi
+    # Install dependencies from PyPI
     pip install --upgrade $PRE \
+        codecov \
+        coverage \
+        cycler \
         $MOCK \
         $NOSE \
         $NUMPY \
         $PANDAS \
-        codecov \
-        coverage \
-        cycler \
         pillow \
         pyparsing!=2.1.6 \
+        $PYTEST \
+        $PYTEST_COV \
         python-dateutil \
         sphinx
     # GUI toolkits are pip-installable only for some versions of Python so
@@ -130,7 +136,6 @@ install:
       echo 'wxPython is available' ||
       echo 'wxPython is not available'
 
-    # pytest-cov>=2.3.1 due to https://github.com/pytest-dev/pytest-cov/issues/124
     pip install $PRE \
         pytest \
         pytest-cov>=2.3.1 \
diff --git a/doc/devel/testing.rst b/doc/devel/testing.rst
@@ -22,14 +22,14 @@ Requirements
 
 The following software is required to run the tests:
 
-  - pytest_, version 3.0.0 or later
+  - pytest_ (>=3.0.0)
   - mock_, when running Python versions < 3.3
   - Ghostscript_ (to render PDF files)
   - Inkscape_ (to render SVG files)
 
 Optionally you can install:
 
-  - pytest-cov_ to collect coverage information
+  - pytest-cov_ (>=2.3.1) to collect coverage information
   - pytest-pep8_ to test coding standards
   - pytest-timeout_ to limit runtime in case of stuck tests
   - pytest-xdist_ to run tests in parallel
