Move e2e/ to tests/e2e/ and fix CI NDK version

- Relocate e2e test scripts and code to tests/e2e/ for cleaner layout
- Update all references in Makefile, .gitignore, and shell scripts
- Fix CI cross-compile failure by using NDK r28 (28.0.13004108) to match
  the NDK version used to generate capi/ bindings

Author: xaionaro@dx.center

.github/workflows/ci.yml

@@ -11,8 +11,8 @@ permissions:
   contents: read
 
 env:
-  ANDROID_NDK_VERSION: r27c
-  ANDROID_NDK_DIR_NAME: "27.2.12479018"
+  ANDROID_NDK_VERSION: r28
+  ANDROID_NDK_DIR_NAME: "28.0.13004108"
 
 jobs:
   test:

.gitignore

@@ -1,7 +1,7 @@
 /discussion
 
 # Compiled E2E test binary
-e2e/e2e_test
+tests/e2e/e2e_test
 
 *.apk
 _build/

Makefile

@@ -83,7 +83,7 @@ fixtures: specs-fixtures idiomatic
 regen: clean specs capi idiomatic
 
 test:
-	go test $$(go list ./... | grep -v -E '/(capi|e2e|examples)/|/ndk/[a-z][a-z0-9]*$$') -count=1
+	go test $$(go list ./... | grep -v -E '/(capi|tests|examples)/|/ndk/[a-z][a-z0-9]*$$') -count=1
 
 lint:
 	golangci-lint run ./tools/...
@@ -98,15 +98,15 @@ check-examples:
 e2e-build:
 	CGO_ENABLED=1 GOOS=android GOARCH=amd64 \
 		CC=$(NDK_PATH)/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android35-clang \
-		go build -o e2e/e2e_test ./e2e
+		go build -o tests/e2e/e2e_test ./tests/e2e
 
 # Run full E2E test on Android emulator (requires SDK + NDK + KVM)
 e2e: e2e-build
-	ANDROID_HOME=$(dir $(NDK_PATH)) ./e2e/run.sh
+	ANDROID_HOME=$(dir $(NDK_PATH)) ./tests/e2e/run.sh
 
 # Run all examples on Android emulator (requires running emulator + NDK)
 e2e-examples:
-	./e2e/run-examples.sh
+	./tests/e2e/run-examples.sh
 
 clean:
 	@for m in $(MODULES); do rm -rf "capi/$$m/"; done

e2e/main.go tests/e2e/main.goe2e/main.go renamed to tests/e2e/main.go

@@ -14,7 +14,7 @@
 set -euo pipefail
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
-PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+PROJECT_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"
 
 # Detect NDK.
 ANDROID_HOME="${ANDROID_HOME:-$HOME/Android/Sdk}"

e2e/run-examples.sh tests/e2e/run-examples.she2e/run-examples.sh renamed to tests/e2e/run-examples.sh

@@ -12,7 +12,7 @@
 set -euo pipefail
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
-PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+PROJECT_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"
 
 : "${ANDROID_HOME:?ANDROID_HOME must be set}"
 NDK_VERSION="${NDK_VERSION:-27.2.12479018}"
@@ -35,8 +35,8 @@ done
 echo "=== Step 1: Cross-compile ==="
 cd "$PROJECT_DIR"
 CGO_ENABLED=1 GOOS=android GOARCH=amd64 CC="$CC" \
-    go build -o e2e/e2e_test ./e2e
-file e2e/e2e_test
+    go build -o tests/e2e/e2e_test ./tests/e2e
+file tests/e2e/e2e_test
 
 echo "=== Step 2: Create AVD (if needed) ==="
 if [ ! -d "$HOME/.android/avd/${AVD_NAME}.avd" ]; then
@@ -67,7 +67,7 @@ for i in $(seq 1 60); do
 done
 
 echo "=== Step 4: Run E2E test ==="
-"$ADB" push e2e/e2e_test /data/local/tmp/
+"$ADB" push tests/e2e/e2e_test /data/local/tmp/
 "$ADB" shell chmod 755 /data/local/tmp/e2e_test
 "$ADB" shell /data/local/tmp/e2e_test
 EXIT_CODE=$?