Build and test the bindgen docker image

Author: jonas

.travis.yml

@@ -9,6 +9,10 @@ script:
      docker-compose run --rm $TEST_ENV scripts/scalafmt --test;
      docker-compose run --rm $TEST_ENV scripts/clangfmt --test;
    fi
+ - if [[ "$TEST_ENV" = *llvm-6.0 ]]; then
+     docker-compose build bindgen;
+     scripts/docker-test.sh;
+   fi
 
 matrix:
   include:

scripts/docker-bindgen.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Wrapper script for running the dockerized scala-native-bindgen binary.
+
+set -euo pipefail
+IFS=$'\n\t'
+
+volumes=(
+  "--volume=$(pwd):/src"
+  "--volume=/usr/include:/usr/include"
+)
+
+if [[ "$#" -gt 1 ]] && [[ "$1" == /* ]]; then
+  volumes+="--volume=$1:$1"  
+fi
+
+exec docker run --rm "${volumes[@]}" scalabindgen/scala-native-bindgen "$@"

scripts/docker-test.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+#
+# Run tests similar to the BindgenSpec using the dockerized bindgen
+# program.
+#
+# Assumes you have built the bindgen docker image by running:
+#
+#     docker-compose build bindgen
+
+set -euo pipefail
+IFS=$'\n\t'
+
+outdir="tests/target/docker-samples"
+rm -rf "$outdir"
+mkdir "$outdir"
+
+for input in tests/samples/*.h; do
+  name="$(basename "$input" .h)"
+  output="$outdir/$name.scala"
+  expected="tests/samples/$name.scala"
+
+  echo "Testing $name"
+  scripts/docker-bindgen.sh "$input" \
+    --name="$name" \
+    --link=bindgentests \
+    --package=org.scalanative.bindgen.samples \
+    --exclude-prefix=__ \
+    -- > "$output"
+  git diff --exit-code "$expected" "$output"
+done