From ebf2f10c246fbd9c39608533869aa1111dc5262b Mon Sep 17 00:00:00 2001
From: Allan Karlson <beesforever@gmx.de>
Date: Thu, 8 Aug 2019 13:09:34 +0200
Subject: [PATCH] provide a test script for travis to test mpi

---
 .travis.yml                                | 20 ++++++++++++++------
 spotpy/examples/dds/dds_parallel.py        |  2 +-
 spotpy/examples/dds/dds_parallel_data.json |  1 +
 3 files changed, 16 insertions(+), 7 deletions(-)
 create mode 100644 spotpy/examples/dds/dds_parallel_data.json

diff --git a/.travis.yml b/.travis.yml
index 6a3a0058..c8415012 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,18 @@
 language: python
 python:
-  - "2.7"
-  - "3.5"
+  #- "2.7"
+  #- "3.5"
   - "3.6"
+  - "3.7"
 
-  # command to install dependencies
+# this ubuntu distribution has sure the libopenmpi-dev packages available
+dist: bionic
+
+# command to install dependencies
 install:
+  - sudo apt-get update
+  - sudo apt install libopenmpi-dev openmpi-bin
+  - pip install mpi4py
   - python setup.py install
   - pip install coveralls
   - pip install pathos
@@ -14,17 +21,18 @@ install:
   - pip install pandas
   - pip install scipy
   - pip install click
-  # Need to force pytest-cov to v2.6 as current version (2.6.1) is deprecated
-  - pip install pytest pytest-pep8 pytest-cov==2.6
+  # Need to force pytest-cov to v2.6 as current version (2.6.1) is deprecated and pytest:3.10.1
+  - pip install pytest==3.10.1 pytest-pep8 pytest-cov==2.6
   # Use docutils to generate html describe
   - pip install docutils
   - pip install numba
   - pip install tables
 
 
+
 script:
   - pip uninstall spotpy -y
   - py.test  spotpy/unittests/test_* --cov spotpy --cov-report term-missing -v
-
+  - mpirun -c 2 python spotpy/examples/dds/dds_parallel.py 10
 after_success:
   - coveralls
diff --git a/spotpy/examples/dds/dds_parallel.py b/spotpy/examples/dds/dds_parallel.py
index 264bfa90..15af96d0 100644
--- a/spotpy/examples/dds/dds_parallel.py
+++ b/spotpy/examples/dds/dds_parallel.py
@@ -38,7 +38,7 @@
 print(dds_elapsed)
 
 benchmarks_duration["dds_duration"].append(dds_elapsed)
-benchmarks_duration["dds_like"].append(dds_sampler.status.objectivefunction)
+benchmarks_duration["dds_like"].append(dds_sampler.status.objectivefunction_max)
 benchmarks_duration["rep"].append(rep)
 
 print(benchmarks_duration)
diff --git a/spotpy/examples/dds/dds_parallel_data.json b/spotpy/examples/dds/dds_parallel_data.json
new file mode 100644
index 00000000..f3e7bcd8
--- /dev/null
+++ b/spotpy/examples/dds/dds_parallel_data.json
@@ -0,0 +1 @@
+{"dds_duration": [], "rep": [], "dds_like": []}
\ No newline at end of file