Merge #17041: ci: Run tests on arm

fa79dff ci: Run tests on arm (MarcoFalke)

Pull request description:

  Closes #16576

ACKs for top commit:
  laanwj:
    ACK fa79dff
  fanquake:
    ACK fa79dff - assuming Travis is green again.

Tree-SHA512: c430db9852632567c6836981fb3c5922ccd7d3b6ab4a1c6405ffad75096b80433ba54785ffa4c5088c1a127689a945f0f86058a42de1d3efea3cc4967832d662

Author: fanquake

.travis.yml

@@ -89,12 +89,12 @@ jobs:
         - set -o errexit; source ./ci/extended_lint/06_script.sh
 
     - stage: test
-      name: 'ARM  [GOAL: install]  [no unit or functional tests]'
+      name: 'ARM  [GOAL: install]  [unit tests, no functional tests]'
       env: >-
         FILE_ENV="./ci/test/00_setup_env_arm.sh"
 
     - stage: test
-      name: 'Win64  [GOAL: deploy]  [no gui or functional tests]'
+      name: 'Win64  [GOAL: deploy]  [unit tests, no gui, no functional tests]'
       env: >-
         FILE_ENV="./ci/test/00_setup_env_win64.sh"
 

ci/test/00_setup_env_arm.sh

@@ -7,9 +7,10 @@
 export LC_ALL=C.UTF-8
 
 export HOST=arm-linux-gnueabihf
-export PACKAGES="python3 g++-arm-linux-gnueabihf busybox"
+export QEMU_USER_CMD="qemu-arm -L /usr/arm-linux-gnueabihf/"
+export PACKAGES="python3 g++-arm-linux-gnueabihf busybox qemu-user"
 export USE_BUSY_BOX=true
-export RUN_UNIT_TESTS=false
+export RUN_UNIT_TESTS=true
 export RUN_FUNCTIONAL_TESTS=false
 export GOAL="install"
 # -Wno-psabi is to disable ABI warnings: "note: parameter passing for argument of type ... changed in GCC 7.1"

ci/test/06_script_b.sh

@@ -8,8 +8,28 @@ export LC_ALL=C.UTF-8
 
 cd "build/bitcoin-$HOST" || (echo "could not enter distdir build/bitcoin-$HOST"; exit 1)
 
+if [ -n "$QEMU_USER_CMD" ]; then
+  BEGIN_FOLD wrap-qemu
+  echo "Prepare to run functional tests for HOST=$HOST"
+  # Generate all binaries, so that they can be wrapped
+  DOCKER_EXEC make $MAKEJOBS -C src/secp256k1 VERBOSE=1
+  DOCKER_EXEC make $MAKEJOBS -C src/univalue VERBOSE=1
+  for b_name in {"${BASE_OUTDIR}/bin"/*,src/secp256k1/*tests,src/univalue/{no_nul,test_json,unitester,object}}; do
+    # shellcheck disable=SC2044
+    for b in $(find "${BASE_ROOT_DIR}" -executable -type f -name $(basename $b_name)); do
+      echo "Wrap $b ..."
+      DOCKER_EXEC mv "$b" "${b}_orig"
+      DOCKER_EXEC echo "\#\!/usr/bin/env bash" \> "$b"
+      DOCKER_EXEC echo "$QEMU_USER_CMD \\\"${b}_orig\\\" \\\"\\\$@\\\"" \>\> "$b"
+      DOCKER_EXEC chmod +x "$b"
+    done
+  done
+  END_FOLD
+fi
+
 if [ "$RUN_UNIT_TESTS" = "true" ]; then
   BEGIN_FOLD unit-tests
+  bash -c "while sleep 500; do echo .; done" &  # Print dots in case the unit tests take a long time to run
   DOCKER_EXEC LD_LIBRARY_PATH=$BASE_BUILD_DIR/depends/$HOST/lib make $MAKEJOBS check VERBOSE=1
   END_FOLD
 fi