Add hazard info to journal (#824)

* Add 'hazard info' entries to journal

* Update doc

docs/run-journal.md

@@ -44,6 +44,7 @@ In order of occurrence:
 
 - starting journal - marks the beginning of the journal
 - starting run - gives basic information on the run
+- hazard info - gives information on each Hazard in the run
 - test info - gives information on each Test in the run
 - running pipeline - marks the start of the item pipeline
 - using test items - for each Test, the counts of Items available and actually used
@@ -73,6 +74,10 @@ Listed in run order. If a message isn't listed here, its fields are covered abov
     - suts - list of uids for the SUTs in the run
     - max_items - maximum number of Items per test to be run
     - thread_count - maximum number of threads per stage of pipeline
+- hazard info
+    - hazard - uid of the Hazard
+    - benchmark - uid of the Benchmark the Hazard is part of
+    - tests - list of uids of the Tests in the Hazard
 - test info
     - test - uid of Test
     - initialization - initialization record for Test

src/modelbench/benchmark_runner.py

@@ -589,6 +589,15 @@ def run(self) -> BenchmarkRun:
                 max_items=benchmark_run.max_items,
                 thread_count=self.thread_count,
             )
+            for benchmark in benchmark_run.benchmarks:
+                for hazard in benchmark.hazards():
+                    benchmark_run.journal.raw_entry(
+                        "hazard info",
+                        hazard=hazard.uid,
+                        benchmark=benchmark.uid,
+                        tests=hazard.test_uids(),
+                    )
+
             for test in benchmark_run.tests:
                 benchmark_run.journal.raw_entry(
                     "test info",

tests/modelbench_tests/test_benchmark_runner.py

@@ -623,6 +623,7 @@ def test_basic_benchmark_run(self, tmp_path, a_sut, fake_secrets, benchmark):
         assert messages == [
             "starting journal",
             "starting run",
+            "hazard info",
             "test info",
             "running pipeline",
             "using test items",