Add DevicetreeCompiler tests

.github/workflows/tests.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
     types: [ opened, synchronize, reopened ]
 jobs:
-  run:
+  TactilityTests:
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout repo"
@@ -27,3 +27,14 @@ jobs:
         run: build/Tests/Tactility/TactilityTests
       - name: "Run TactilityKernel Tests"
         run: build/Tests/TactilityKernel/TactilityKernelTests
+  DevicetreeTests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout repo"
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: "Run Devicetree Tests"
+        shell: bash
+        working-directory: Buildscripts/DevicetreeCompiler/Tests
+        run: python test_integration.py

Buildscripts/DevicetreeCompiler/tests/data/bindings/test,device.yaml

@@ -0,0 +1,14 @@
+description: Test device binding
+compatible: "test,device"
+properties:
+  reg:
+    type: int
+    required: true
+  status:
+    type: string
+  boolean-prop:
+    type: boolean
+  int-prop:
+    type: int
+  string-prop:
+    type: string

Buildscripts/DevicetreeCompiler/tests/data/bindings/test,root.yaml

@@ -0,0 +1,5 @@
+description: Test root binding
+compatible: "test,root"
+properties:
+  model:
+    type: string

Buildscripts/DevicetreeCompiler/tests/data/devicetree.yaml

@@ -0,0 +1,2 @@
+dts: test.dts
+bindings: bindings

Buildscripts/DevicetreeCompiler/tests/data/test.dts

@@ -0,0 +1,17 @@
+/dts-v1/;
+
+#include <test_include.h>
+
+/ {
+    compatible = "test,root";
+    model = "Test Model";
+
+    test_device: test-device@0 {
+        compatible = "test,device";
+        reg = <0>;
+        status = "okay";
+        boolean-prop;
+        int-prop = <42>;
+        string-prop = "hello";
+    };
+};

Buildscripts/DevicetreeCompiler/tests/test_integration.py

@@ -0,0 +1,101 @@
+import os
+import subprocess
+import shutil
+import sys
+import tempfile
+
+# Path to the compile.py script
+# We assume this script is in Buildscripts/DevicetreeCompiler/tests/
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+PROJECT_ROOT = os.path.abspath(os.path.join(SCRIPT_DIR, ".."))
+COMPILE_SCRIPT = os.path.join(PROJECT_ROOT, "compile.py")
+TEST_DATA_DIR = os.path.join(SCRIPT_DIR, "data")
+
+def run_compiler(config_path, output_path):
+    result = subprocess.run(
+        [sys.executable, COMPILE_SCRIPT, config_path, output_path],
+        capture_output=True,
+        text=True,
+        cwd=PROJECT_ROOT
+    )
+    return result
+
+def test_compile_success():
+    print("Running test_compile_success...")
+    with tempfile.TemporaryDirectory() as output_dir:
+        result = run_compiler(TEST_DATA_DIR, output_dir)
+        
+        if result.returncode != 0:
+            print(f"FAILED: Compilation failed: {result.stderr}")
+            return False
+            
+        if not os.path.exists(os.path.join(output_dir, "devicetree.c")):
+            print("FAILED: devicetree.c not generated")
+            return False
+            
+        if not os.path.exists(os.path.join(output_dir, "devicetree.h")):
+            print("FAILED: devicetree.h not generated")
+            return False
+            
+        print("PASSED")
+        return True
+
+def test_compile_invalid_dts():
+    print("Running test_compile_invalid_dts...")
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        bad_data_dir = os.path.join(tmp_dir, "bad_data")
+        os.makedirs(bad_data_dir)
+        output_dir = os.path.join(tmp_dir, "output")
+        os.makedirs(output_dir)
+        
+        with open(os.path.join(bad_data_dir, "devicetree.yaml"), "w") as f:
+            f.write("dts: bad.dts\nbindings: bindings")
+        
+        with open(os.path.join(bad_data_dir, "bad.dts"), "w") as f:
+            f.write("/dts-v1/;\n / { invalid syntax }")
+            
+        os.makedirs(os.path.join(bad_data_dir, "bindings"))
+        
+        result = run_compiler(bad_data_dir, output_dir)
+        
+        if result.returncode == 0:
+            print("FAILED: Compilation should have failed but succeeded")
+            return False
+            
+        print("PASSED")
+        return True
+
+def test_compile_missing_config():
+    print("Running test_compile_missing_config...")
+    with tempfile.TemporaryDirectory() as output_dir:
+        result = run_compiler("/non/existent/path", output_dir)
+        
+        if result.returncode == 0:
+            print("FAILED: Compilation should have failed for non-existent path")
+            return False
+        
+        if "Directory not found" not in result.stdout:
+            print(f"FAILED: Expected 'Directory not found' error message, got: {result.stdout}")
+            return False
+            
+        print("PASSED")
+        return True
+
+if __name__ == "__main__":
+    tests = [
+        test_compile_success,
+        test_compile_invalid_dts,
+        test_compile_missing_config
+    ]
+    
+    failed = 0
+    for test in tests:
+        if not test():
+            failed += 1
+            
+    if failed > 0:
+        print(f"\n{failed} tests failed")
+        sys.exit(1)
+    else:
+        print("\nAll tests passed")
+        sys.exit(0)