Test: Bash script to run examples; run this in Travis CI.

roryyorke · roryyorke · commit cda981c76a6b · 2019-01-02T07:50:56.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -75,6 +75,7 @@ install:
 script:
   - 'if [ $SLYCOT != "" ]; then python -c "import slycot"; fi'
   - coverage run setup.py test
+  - '(cd examples && bash run_examples.sh)'
 
 after_success:
   - coveralls
diff --git a/examples/run_examples.sh b/examples/run_examples.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+# Run the examples.  Doesn't run Jupyter notebooks.
+
+# The examples must cooperate: they must have no operations that wait
+# on user action, like matplotlib.pyplot.show, or starting a GUI event
+# loop.  Environment variable PYCONTROL_TEST_EXAMPLES is set when the
+# examples are being tested; existence of this variable should be used
+# to prevent such user-action-waiting operations.
+
+export PYCONTROL_TEST_EXAMPLES=1
+
+example_errors=""
+
+for example in *.py; do
+    echo "Running ${example}"
+    if ! python ${example}; then
+        example_errors="${example_errors} ${example}"
+    fi
+done
+    
+if [ -n "${example_errors}" ]; then
+    echo These examples had errors:
+    echo "${example_errors}"
+    exit 1
+else
+    echo All examples ran successfully
+fi
