Merge pull request #882 from effigies/test/doctest_modules

TEST: Enable doctests for pytest

Author: effigies

.azure-pipelines/windows.yml

@@ -114,7 +114,7 @@ jobs:
         mkdir for_testing
         cd for_testing
         cp ../.coveragerc .
-        pytest --cov nibabel -v --pyargs nibabel
+        pytest --doctest-modules --cov nibabel -v --pyargs nibabel
       displayName: 'Pytest tests'
       condition: and(succeeded(), eq(variables['CHECK_TYPE'], 'test'))
     - script: |

.travis.yml

@@ -206,7 +206,7 @@ script:
           mkdir for_testing
           cd for_testing
           cp ../.coveragerc .
-          pytest --cov nibabel -v --pyargs nibabel
+          pytest --doctest-modules --cov nibabel -v --pyargs nibabel
       else
           false
       fi

nibabel/conftest.py

@@ -0,0 +1,15 @@
+import pytest
+
+
+@pytest.fixture(autouse=True, scope="session")
+def set_printopts():
+    import numpy as np
+    from distutils.version import LooseVersion
+
+    if LooseVersion(np.__version__) >= LooseVersion("1.14"):
+        legacy_printopt = np.get_printoptions().get("legacy")
+        np.set_printoptions(legacy="1.13")
+        yield
+        np.set_printoptions(legacy=legacy_printopt)
+    else:
+        yield