Fix up some test runner issues

Clean up dockerfile build by using devkitarm base image to get devkitpro
tools. Also upload artifacts after running, and fix some issues due to
Github Actions working slightly different than plain docker.

.github/actions/setup/action.yml

@@ -28,6 +28,8 @@ runs:
 
     - name: Set up Rust cache
       uses: Swatinem/rust-cache@v2
+      with:
+        shared-key: rust3ds
 
     - name: Install build tools for host
       shell: bash

.github/workflows/ci.yml

@@ -63,8 +63,7 @@ jobs:
         run: cargo 3ds test --no-run --test integration
 
       - name: Build doc tests
-        # need build-std=test until https://github.com/rust3ds/cargo-3ds/pull/42
+        run: cargo 3ds test --no-run --doc
-        run: cargo 3ds test --doc -Zbuild-std=std,test
 
       - name: Run lib + integration tests
         uses: ./.github/actions/citra
@@ -74,3 +73,12 @@ jobs:
       # TODO: run doc tests. We might be able to do something with e.g.
       # cargo's "runner" configuration, but it seems we also need a test
       # runtime and stuff for that to work.
+
+      - name: Upload citra logs and capture videos
+        uses: actions/upload-artifact@v3
+        if: success() || failure()
+        with:
+          name: citra-logs-${{ matrix.toolchain }}
+          path: |
+            target/armv6k-nintendo-3ds/debug/deps/*.txt
+            target/armv6k-nintendo-3ds/debug/deps/*.webm

Cargo.toml

@@ -12,4 +12,3 @@ socket = []
 ctru-rs = { git = "https://github.com/rust3ds/ctru-rs" }
 ctru-sys = { git = "https://github.com/rust3ds/ctru-rs" }
 libc = "0.2.147"
-shim-3ds = { git = "https://github.com/rust3ds/shim-3ds", version = "0.1.0" }

Dockerfile

@@ -8,16 +8,12 @@ COPY ./docker/download_citra.sh /usr/local/bin/download_citra
 RUN apt-get update -y && apt-get install -y jq
 RUN download_citra ${CITRA_CHANNEL} ${CITRA_RELEASE}
 
-RUN wget https://apt.devkitpro.org/install-devkitpro-pacman && \
+FROM devkitpro/devkitarm:latest as devkitarm
-    chmod +x ./install-devkitpro-pacman && \
-    yes | /tmp/install-devkitpro-pacman
-RUN dkp-pacman -S --noconfirm \
-        devkitARM-gdb \
-        libctru
 
 FROM ubuntu:latest
 
-RUN apt-get update -y && \
+RUN --mount=type=cache,sharing=locked,target=/var/cache/apt \
+    apt-get update -y && \
     apt-get install -y \
         libswscale5 \
         libsdl2-2.0-0 \
@@ -25,11 +21,11 @@ RUN apt-get update -y && \
         libavfilter7 \
         xvfb
 
-COPY --from=builder /opt/devkitpro /opt/devkitpro
+COPY --from=devkitarm /opt/devkitpro /opt/devkitpro
 ENV PATH=/opt/devkitpro/devkitARM/bin:${PATH}
 
 COPY --from=builder /tmp/citra.AppImage /usr/local/bin/citra
-COPY ./docker/sdl2-config.ini /root/.config/citra-emu/
+COPY ./docker/sdl2-config.ini /app/
 COPY ./docker/test-runner.gdb /app/
 COPY ./docker/entrypoint.sh /app/
 

docker/entrypoint.sh

@@ -1,26 +1,50 @@
 #!/bin/bash
 
 # Clean up child processes on exit: https://stackoverflow.com/a/2173421/14436105
-trap "trap - SIGTERM && kill -- -$$" SIGINT SIGTERM EXIT
+trap "pkill -P $$" EXIT INT TERM
 
-ls -lart $@
+mkdir -p ~/.config/citra-emu
+cp /app/sdl2-config.ini ~/.config/citra-emu
+# For some reason, log file is only written when this dir already exists,
+# but it is only created after the first run of citra (our only run, in the container)
+mkdir -p ~/.local/share/citra-emu/
 
 ERRS=0
 # shellcheck disable=SC2068
 for EXE in $@; do
-    VIDEO_OUT="$(dirname "$EXE")/$(basename "$EXE" .elf)_out.webm"
+    VIDEO_OUT="$(dirname "$EXE")/$(basename "$EXE" .elf)_capture.webm"
 
     # colored logs would be nice, but we can always just grab the plaintext log file
-    xvfb-run citra --appimage-extract-and-run --dump-video="$VIDEO_OUT" "$EXE" &>/dev/null &
+    xvfb-run citra \
+        --appimage-extract-and-run \
+        --dump-video="$VIDEO_OUT" \
+        "$EXE" \
+        &>/dev/null &
+    PID=$!
 
     # Citra takes a little while to start up, so wait a little before we try to connect
     sleep 3
 
-    arm-none-eabi-gdb --batch-silent --command /app/test-runner.gdb "$EXE"
+    arm-none-eabi-gdb --silent --batch-silent --command /app/test-runner.gdb "$EXE"
     STATUS=$?
     if [ $STATUS -ne 0 ]; then
+        echo >&2 "FAILED (exit status $STATUS): $EXE"
         ERRS=$(( ERRS + 1 ))
     fi
+
+    kill -INT $PID &>/dev/null
+    sleep 1
+    if kill -0 $PID &>/dev/null; then
+        kill -KILL $PID &>/dev/null
+    fi
+
+    CITRA_LOG=~/.local/share/citra-emu/log/citra_log.txt
+    CITRA_LOG_OUT="$(dirname "$EXE")/$(basename "$EXE" .elf)_citra_log.txt"
+    if test -f "$CITRA_LOG"; then
+        cp "$CITRA_LOG" "$CITRA_LOG_OUT"
+    else
+        echo "WARNING: citra log not found"
+    fi
 done
 
 exit $ERRS

tests/integration.rs

@@ -1,5 +1,5 @@
-// Workaround for https://github.com/rust-lang/rust/issues/94348
+#![feature(custom_test_frameworks)]
-extern crate shim_3ds;
+#![test_runner(test_runner::run_gdb)]
 
 #[test]
 fn it_works() {
@@ -8,6 +8,6 @@ fn it_works() {
 
 #[test]
 #[should_panic]
-fn it_fails() {
+fn it_panics() {
     assert_eq!(2 + 2, 5);
 }