Fix travis (spacetelescope#471)

* Fix travis configuration

* Add runtime smoke tests

* Add check_exec script (CI)

* Use check_exec

Author: jhunkeler

.ci/bin/check_exec

@@ -0,0 +1,102 @@
+#!/bin/bash
+argc=$#
+argv=("$@")
+
+
+# Does argv contain '--'?
+#
+# returns:
+#  0 = no
+#  1 = yes
+function has_double_dash() {
+    local have_double_dash=0
+    for arg in "${argv[@]}"; do
+        if [[ "$arg" == "--" ]]; then
+            have_double_dash=1
+        fi
+    done
+    echo $have_double_dash
+}
+
+# Copy arguments and programs to appropriate global arrays
+#
+# params:
+#  array = arguments passed to the program (i.e. "${argv[@]}")
+#
+# returns:
+#  nothing
+function init_check_exec() {
+    while [[ $1 != "--" ]] && [[ $# != 0 ]]; do
+        args+=("$1")
+        shift
+    done
+    shift
+
+    while [[ $# != 0 ]]; do
+        programs+=("$1")
+        shift
+    done
+}
+
+
+# main
+
+logfile=
+errors=0
+args=()
+programs=()
+
+if [[ ${argc} < 2 ]]; then
+    echo "usage: $0 {argument ...} -- {program ...}"
+    echo
+    echo "argument  -  Argument(s) to pass to {program ...}"
+    echo "--        -  Delimiter to separate arguments from programs (required)"
+    echo "program   -  Program(s) to execute"
+    echo
+    exit 1
+fi
+
+if [[ $(has_double_dash) == 0 ]]; then
+    echo "'--' not found in argument list." >&2
+    exit 1
+fi
+
+init_check_exec "${argv[@]}"
+
+logfile=$(mktemp)
+if [[ ! -f ${logfile} ]] || [[ -z ${logfile} ]]; then
+    echo "Failed to create temporary file." >&2
+    exit 1
+fi
+
+for program in "${programs[@]}"; do
+    /bin/echo -n "Checking '$(basename $program) ${args[@]}'... "
+
+    # Execute program with arguments
+    ${program} ${args[@]} &>${logfile}
+    code=$?
+
+    # Check exit code
+    if (( $code != 0 )); then
+        echo "FAILED (code: $code)";
+        echo
+        /bin/echo -n "OUTPUT: "
+        if (( $(du $logfile | awk '{ print $1 }') > 0 )); then
+            echo
+            cat "${logfile}"
+        else
+            echo "[No output]"
+        fi
+
+        echo
+        (( errors++ ))
+    else
+        echo "OK"
+    fi
+done
+
+# nuke log file
+[[ -f "${logfile}" ]] && rm -f "${logfile}"
+
+(( $errors != 0 )) && exit 1
+exit 0

.travis.yml

@@ -1,29 +1,37 @@
+#bump
 language: c
-sudo: false
 
 env:
   global:
     # Set defaults to avoid repeating in most cases
     - ASTROCONDA=http://ssb.stsci.edu/astroconda
-    - CONDA_DEPS="cfitsio curl gcc pkg-config"
+    - CONDA_DEPS="cfitsio curl pkg-config"
     - EXE_PREFIX="/tmp/miniconda3"
     - PYTHON_VERSION=3.6
     - WAF_ARGS_CONFIGURE="-v"
     - WAF_ARGS_BUILD="-v"
     - WAF_ARGS_INSTALL="-v"
 
-matrix:
+jobs:
   fast_finish: true
 
   include:
+  - os: linux
+    compiler: gcc
+    dist: xenial
+
   - os: osx
     compiler: clang
     env:
       - CC="clang"
-
+      - FC="/usr/local/bin/gfortran"
+      - WAF_ARGS_CONFIGURE="-v --with-cfitsio=$EXE_PREFIX/envs/test"
 before_install:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export CONDA_INSTALLER=https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get -y update && sudo apt-get -y install gfortran; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export CONDA_INSTALLER=https://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh; fi
+    # "|| true" is bad, but tar failing to set permissions is too. oh well.
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then curl -L https://downloads.sourceforge.net/project/hpc/hpc/g95/gfortran-8.3-bin.tar.gz | sudo tar xfvz - -C / || true; fi
   - wget $CONDA_INSTALLER
   - bash Miniconda3-latest-*.sh -b -p $EXE_PREFIX
   - export PATH=$EXE_PREFIX/bin:$PATH
@@ -37,5 +45,4 @@ install:
   - ./waf install $WAF_ARGS_INSTALL
 
 script:
-  # Without this dead call, "language: c" runs its own WAF-unaware script
-  - python --version
+  - .ci/bin/check_exec --version -- $(find $CONDA_PREFIX/bin -name '*.e')