add missing file, adapte config.sh to windows-bash

Author: mattip

azure/windows.yml

@@ -78,7 +78,7 @@ jobs:
           source config.sh
           setup_test_venv
           pip install numpy/dist/numpy-*.whl
-          python run_tests.py -mfull
+          run_tests
           teardown_test_venv
         displayName: Install wheel and test
         condition: eq(variables['SKIP_BUILD'], 'false')

config.sh

@@ -1,6 +1,7 @@
 # Define custom utilities
 # Test for OSX with [ -n "$IS_OSX" ]
 # See env_vars.sh for extra environment variables
+if [ $(uname) == "Linux" ]; then IS_LINUX=1; fi
 source gfortran-install/gfortran_utils.sh
 
 function build_wheel {
@@ -36,7 +37,7 @@ function get_test_cmd {
 
 function run_tests {
     # Runs tests on installed distribution from an empty directory
-    if [ -z "$IS_OSX" ]; then
+    if [ -n "$IS_LINUX" ]; then
         apt-get -y update && apt-get install -y gfortran
     fi
     python -c "$(get_test_cmd)"

extra_functions.sh

@@ -0,0 +1,29 @@
+function setup_test_venv {
+    # Create a new empty venv dedicated to testing for non-Linux platforms. On
+    # Linux the tests are run in a Docker container.
+    if [ $(uname) != "Linux" ]; then
+        deactivate || echo ""
+        $PYTHON_EXE -m venv test_venv
+        if [ $(uname) == "Darwin" ]; then
+            source test_venv/bin/activate
+        else
+            source test_venv/Scripts/activate
+        fi
+        # Note: the idiom "python -m pip install ..." is necessary to upgrade
+        # pip itself on Windows. Otherwise one would get a permission error on
+        # pip.exe.
+        python -m pip install --upgrade pip wheel
+        if [ "$TEST_DEPENDS" != "" ]; then
+            pip install $TEST_DEPENDS
+        fi
+    fi
+}
+
+function teardown_test_venv {
+    if [ $(uname) != "Linux" ]; then
+        deactivate || echo ""
+        if [ $(uname) == "Darwin" ]; then
+            source venv/bin/activate
+        fi
+    fi
+}