Add autobuild workind-directory test

Author: cklin

.github/workflows/__test-autobuild-working-dir.yml

@@ -0,0 +1,31 @@
+name: "Autobuild working directory"
+description: "Tests working-directory input of autobuild action"
+versions: ["latest"]
+os: ["ubuntu-latest"]
+steps:
+  - name: Test setup
+    shell: bash
+    run: |
+      # Make sure that Gradle build succeeds in autobuild-dir ...
+      cp -a ../action/tests/java-repo autobuild-dir
+      # ... and fails if attempted in the current directory
+      echo > build.gradle
+  - uses: ./../action/init
+    with:
+      languages: java
+      tools: ${{ steps.prepare-test.outputs.tools-url }}
+  - uses: ./../action/autobuild
+    with:
+      working-directory: autobuild-dir
+  - uses: ./../action/analyze
+    env:
+      TEST_MODE: true
+  - name: Check database
+    shell: bash
+    run: |
+      cd "$RUNNER_TEMP/codeql_databases"
+      if [[ ! -d java ]]; then
+        ls -l
+        echo "Did not find a Java database"
+        exit 1
+      fi

pr-checks/checks/test-autobuild-working-dir.yml

@@ -0,0 +1,12 @@
+plugins {
+    id 'application'
+}
+
+repositories {
+    mavenCentral()
+}
+
+application {
+    mainClass = 'Main'
+}
+

tests/java-repo/build.gradle

@@ -0,0 +1,8 @@
+class Main {
+    public static void main(String args[]) {
+        if (true) {
+            System.out.println("Hello, World!");
+        }
+    }
+}
+