From 2f9c5c9fdda7e9fb7a11cf0aec685a624be833b0 Mon Sep 17 00:00:00 2001
From: YadavAkhileshh <yadavakhil2501@gmail.com>
Date: Fri, 20 Feb 2026 01:24:27 +0530
Subject: [PATCH 1/2] feat(ci): add Docker-based Java code generation testing

---
 .github/docker/codegen-tests/java/Dockerfile  | 13 +++++++
 .../docker/codegen-tests/java/test-java.sh    | 39 +++++++++++++++++++
 .github/workflows/test-java-codegen.yml       | 35 +++++++++++++++++
 3 files changed, 87 insertions(+)
 create mode 100644 .github/docker/codegen-tests/java/Dockerfile
 create mode 100644 .github/docker/codegen-tests/java/test-java.sh
 create mode 100644 .github/workflows/test-java-codegen.yml

diff --git a/.github/docker/codegen-tests/java/Dockerfile b/.github/docker/codegen-tests/java/Dockerfile
new file mode 100644
index 0000000..00f30cb
--- /dev/null
+++ b/.github/docker/codegen-tests/java/Dockerfile
@@ -0,0 +1,13 @@
+FROM eclipse-temurin:11-jdk-jammy
+
+WORKDIR /test
+
+RUN apt-get update && apt-get install -y curl && \
+    curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
+    apt-get install -y nodejs && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN echo '#!/bin/bash\nset -e\necho "Testing Java codegen..."\njavac -version\nnode --version\necho "✅ Environment ready!"' > /test/run.sh && chmod +x /test/run.sh
+
+CMD ["/test/run.sh"]
\ No newline at end of file
diff --git a/.github/docker/codegen-tests/java/test-java.sh b/.github/docker/codegen-tests/java/test-java.sh
new file mode 100644
index 0000000..1a74b93
--- /dev/null
+++ b/.github/docker/codegen-tests/java/test-java.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+set -e
+
+echo "Testing Java code generation..."
+
+mkdir -p /test/output
+cd /test/output
+
+cat > test.cto << 'EOF'
+namespace test@1.0.0
+
+concept Person {
+  o String name
+  o Integer age
+}
+EOF
+
+echo "Generated test CTO file:"
+cat test.cto
+
+cd /test
+npm install
+
+echo "Generating Java code..."
+node -e "
+const { CodeGen } = require('@accordproject/concerto-codegen');
+const fs = require('fs');
+const cto = fs.readFileSync('/test/output/test.cto', 'utf8');
+const codeGen = new CodeGen(cto);
+const javaCode = codeGen.generate('Java');
+fs.writeFileSync('/test/output/Person.java', javaCode);
+"
+
+echo "Compiling generated Java code..."
+cd /test/output
+javac *.java
+
+echo "Java code generation and compilation successful!"
+ls -la *.class
\ No newline at end of file
diff --git a/.github/workflows/test-java-codegen.yml b/.github/workflows/test-java-codegen.yml
new file mode 100644
index 0000000..c579adb
--- /dev/null
+++ b/.github/workflows/test-java-codegen.yml
@@ -0,0 +1,35 @@
+name: Test Java Code Generation
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test-java-codegen:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Set up Node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version: '18'
+        
+    - name: Install dependencies
+      run: npm ci
+      
+    - name: Build project
+      run: npm run build
+      
+    - name: Build Docker image for Java testing
+      run: |
+        docker build -t concerto-java-test -f .github/docker/codegen-tests/java/Dockerfile .
+        
+    - name: Test Java code generation in Docker
+      run: |
+        docker run --rm \
+          -v "$(pwd):/test" \
+          concerto-java-test
\ No newline at end of file

From 1adff6c7348d532894ef8475717a3b471d5342ba Mon Sep 17 00:00:00 2001
From: YadavAkhileshh <yadavakhil2501@gmail.com>
Date: Fri, 20 Feb 2026 01:34:06 +0530
Subject: [PATCH 2/2] fix(ci): fix Docker CMD to not rely on external script
 file

---
 .github/docker/codegen-tests/java/Dockerfile | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/.github/docker/codegen-tests/java/Dockerfile b/.github/docker/codegen-tests/java/Dockerfile
index 00f30cb..dec6dba 100644
--- a/.github/docker/codegen-tests/java/Dockerfile
+++ b/.github/docker/codegen-tests/java/Dockerfile
@@ -8,6 +8,4 @@ RUN apt-get update && apt-get install -y curl && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
-RUN echo '#!/bin/bash\nset -e\necho "Testing Java codegen..."\njavac -version\nnode --version\necho "✅ Environment ready!"' > /test/run.sh && chmod +x /test/run.sh
-
-CMD ["/test/run.sh"]
\ No newline at end of file
+CMD ["bash", "-c", "echo 'Testing environment...' && javac -version && node --version && echo '✅ Java + Node.js ready!'"]
\ No newline at end of file