[skip changelog] Add integration test

Author: silvanocerza

test/test_compile.py

@@ -726,3 +726,35 @@ def test_compile_sketch_case_mismatch_fails(run_command, data_dir):
     res = run_command(f"compile --clean -b {fqbn}", custom_working_dir=sketch_path)
     assert res.failed
     assert "Error during build: opening sketch: no valid sketch found" in res.stderr
+
+
+def test_compile_with_only_compilation_database_flag(run_command, data_dir):
+    assert run_command("update")
+
+    assert run_command("core install arduino:avr@1.8.3")
+
+    sketch_name = "CompileSketchOnlyCompilationDatabaseFlag"
+    sketch_path = Path(data_dir, sketch_name)
+    fqbn = "arduino:avr:uno"
+
+    assert run_command(f"sketch new {sketch_path}")
+
+    # Verifies no binaries exist
+    build_path = Path(sketch_path, "build")
+    assert not build_path.exists()
+
+    # Compile with both --export-binaries and --only-compilation-database flags
+    assert run_command(f"compile --export-binaries --only-compilation-database --clean -b {fqbn} {sketch_path}")
+
+    # Verifies no binaries are exported
+    assert not build_path.exists()
+
+    # Verifies no binaries exist
+    build_path = Path(data_dir, "export-dir")
+    assert not build_path.exists()
+
+    # Compile by setting the --output-dir flag and --only-compilation-database flags
+    assert run_command(f"compile --output-dir {build_path} --only-compilation-database --clean -b {fqbn} {sketch_path}")
+
+    # Verifies no binaries are exported
+    assert not build_path.exists()