CI set up travis to run with and without slurm

.travis.yml

@@ -4,16 +4,11 @@ python:
   - "3.3"
   - "3.4"
 # command to install dependencies
-install:
-  # Install package and its dependency for full test
-  - "pip install coverage coveralls"
-  - "pip install sphinx_bootstrap_theme"
-  # Install slurm
-  - "sudo apt-get install slurm-llnl "
-  - "sudo /usr/sbin/create-munge-key"
-  - "sudo service munge start"
-  - "sudo python continuous_integration/configure_slurm.py"
-
+install: source continuous_integration/install.sh
+env:
+  matrix:
+    - SCHEDULER="None"
+    - SCHEDULER="SLURM"
 # command to run tests
 script: make
 after_success: coveralls

clusterlib/tests/test_scheduler.py

@@ -23,8 +23,11 @@ def test_queued_or_running_jobs_slurm():
 
     # Check that slurm is installed
     with open(os.devnull, 'w') as shutup:
-        has_sbatch = 1 - subprocess.check_call(["which", "sbatch"],
-                                               stdout=shutup, stderr=shutup)
+        try:
+            has_sbatch = 1 - subprocess.check_call(["which", "sbatch"],
+                                                   stdout=shutup, stderr=shutup)
+        except subprocess.CalledProcessError:
+            has_sbatch = 0
 
         if not has_sbatch:
             raise SkipTest("sbatch is missing")

continuous_integration/install.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# This script is meant to be called by the "install" step defined in
+# .travis.yml. See http://docs.travis-ci.com/ for more details.
+# The behavior of the script is controlled by environment variabled defined
+# in the .travis.yml in the top level folder of the project.
+
+# License: 3-clause BSD
+
+
+set -e # Exit on first error
+
+# Install dependency for full test
+pip install coverage coveralls
+pip install sphinx_bootstrap_theme
+
+
+if [[ "$SCHEDULER" == "SLURM" ]]; then
+    sudo apt-get install slurm-llnl
+    sudo /usr/sbin/create-munge-key
+    sudo service munge start
+    sudo python continuous_integration/configure_slurm.py
+fi