Fixed diagnostics files uri handling, added low-level tests

test/solidlsp/pascal/test_pascal_diagnostics.py

@@ -0,0 +1,25 @@
+import shutil
+
+import pytest
+
+from solidlsp import SolidLanguageServer
+from solidlsp.ls_config import Language
+from test.conftest import language_tests_enabled
+from test.solidlsp.util.diagnostics import assert_file_diagnostics
+
+pytestmark = [
+    pytest.mark.pascal,
+    pytest.mark.skipif(not language_tests_enabled(Language.PASCAL), reason="Pascal tests are disabled"),
+    pytest.mark.skipif(shutil.which("fpc") is None, reason="Pascal diagnostics require the Free Pascal compiler"),
+]
+
+
+class TestPascalDiagnostics:
+    @pytest.mark.parametrize("language_server", [Language.PASCAL], indirect=True)
+    def test_file_diagnostics(self, language_server: SolidLanguageServer) -> None:
+        assert_file_diagnostics(
+            language_server,
+            "diagnostics_sample.pas",
+            (),
+            min_count=1,
+        )