feat(tests): basic tests

tests/test_scrapers.py

@@ -0,0 +1,69 @@
+import pytest
+
+from scrapers.models import (
+    ContestListResult,
+    MetadataResult,
+    TestsResult,
+)
+
+MODEL_FOR_MODE = {
+    "metadata": MetadataResult,
+    "contests": ContestListResult,
+}
+
+MATRIX = {
+    "cses": {
+        "metadata": ("introductory_problems",),
+        "tests": ("introductory_problems",),
+        "contests": tuple(),
+    },
+    "atcoder": {
+        "metadata": ("abc100",),
+        "tests": ("abc100",),
+        "contests": tuple(),
+    },
+    "codeforces": {
+        "metadata": ("1550",),
+        "tests": ("1550",),
+        "contests": tuple(),
+    },
+}
+
+
+@pytest.mark.parametrize("scraper", MATRIX.keys())
+@pytest.mark.parametrize("mode", ["metadata", "tests", "contests"])
+def test_scraper_offline_fixture_matrix(run_scraper_offline, scraper, mode):
+    args = MATRIX[scraper][mode]
+    rc, objs = run_scraper_offline(scraper, mode, *args)
+    assert rc in (0, 1), f"Bad exit code {rc}"
+    assert objs, f"No JSON output for {scraper}:{mode}"
+
+    if mode in ("metadata", "contests"):
+        Model = MODEL_FOR_MODE[mode]
+        model = Model.model_validate(objs[-1])
+        assert model is not None
+        if mode == "metadata":
+            assert model.success in (True, False)
+            if model.success:
+                assert len(model.problems) >= 1
+                assert all(isinstance(p.id, str) and p.id for p in model.problems)
+        else:
+            assert model.success in (True, False)
+            if model.success:
+                assert len(model.contests) >= 1
+    else:
+        validated_any = False
+        for obj in objs:
+            if "success" in obj and "tests" in obj and "problem_id" in obj:
+                tr = TestsResult.model_validate(obj)
+                assert tr.problem_id != ""
+                assert isinstance(tr.tests, list)
+                validated_any = True
+            else:
+                assert "problem_id" in obj
+                assert "tests" in obj and isinstance(obj["tests"], list)
+                assert (
+                    "timeout_ms" in obj and "memory_mb" in obj and "interactive" in obj
+                )
+                validated_any = True
+        assert validated_any, "No valid tests payloads validated"