ci(metis): emit per-test case metrics for dashboard history

scripts/publish_test_metrics.py

@@ -58,6 +58,34 @@ def _load_junit(path: str) -> dict[str, int]:
     return totals
 
 
+def _load_junit_cases(path: str) -> list[tuple[str, str]]:
+    tree = ET.parse(path)
+    root = tree.getroot()
+
+    if root.tag == "testsuite":
+        suites = [root]
+    elif root.tag == "testsuites":
+        suites = list(root.findall("testsuite"))
+    else:
+        suites = []
+
+    cases: list[tuple[str, str]] = []
+    for suite in suites:
+        for test_case in suite.findall("testcase"):
+            case_name = (test_case.attrib.get("name") or "").strip()
+            class_name = (test_case.attrib.get("classname") or "").strip()
+            if not case_name:
+                continue
+            test_name = f"{class_name}::{case_name}" if class_name else case_name
+            status = "passed"
+            if test_case.find("failure") is not None or test_case.find("error") is not None:
+                status = "failed"
+            elif test_case.find("skipped") is not None:
+                status = "skipped"
+            cases.append((test_name, status))
+    return cases
+
+
 def _load_exit_code(path: str) -> int | None:
     if not path or not os.path.exists(path):
         return None
@@ -191,6 +219,7 @@ def main() -> int:
 
     coverage = _load_coverage(coverage_path)
     totals = _load_junit(junit_path)
+    test_cases = _load_junit_cases(junit_path)
     test_exit_code = _load_exit_code(test_exit_code_path)
     docs_exit_code = _load_exit_code(docs_exit_code_path)
     source_lines_over_500 = _count_source_files_over_limit(repo_root, max_lines=500)
@@ -255,9 +284,19 @@ def main() -> int:
         "# TYPE platform_quality_gate_source_lines_over_500_total gauge",
         f'platform_quality_gate_source_lines_over_500_total{{suite="{suite}"}} {source_lines_over_500}',
         "# TYPE metis_quality_gate_checks_total gauge",
+        "# TYPE platform_quality_gate_test_case_result gauge",
         "# TYPE metis_quality_gate_build_info gauge",
         f"metis_quality_gate_build_info{_label_str(labels)} 1",
     ]
+    if test_cases:
+        payload_lines.extend(
+            f'platform_quality_gate_test_case_result{{suite="{suite}",test="{_escape_label(test_name)}",status="{_escape_label(test_status)}"}} 1'
+            for test_name, test_status in test_cases
+        )
+    else:
+        payload_lines.append(
+            f'platform_quality_gate_test_case_result{{suite="{suite}",test="__no_test_cases__",status="skipped"}} 1'
+        )
     payload_lines.extend(
         f'metis_quality_gate_checks_total{{suite="{suite}",check="{check_name}",result="{check_status}"}} 1'
         for check_name, check_status in checks.items()