fix(linkedin): improve scraper error handling, current-job date range, add missing tests

scripts/linkedin_scraper.py

@@ -65,6 +65,8 @@ def scrape_profile(url: str, stage_path: Path) -> dict:
             "LinkedIn did not load in time — the request may have been blocked. "
             "Try the data export option instead."
         )
+    except Exception as e:
+        raise RuntimeError(f"LinkedIn scrape failed: {e}") from e
 
     extracted = parse_html(raw_html)
     extracted["linkedin"] = url
@@ -94,11 +96,7 @@ def parse_export_zip(zip_bytes: bytes, stage_path: Path) -> dict:
     }
 
     try:
-        zf_handle = zipfile.ZipFile(io.BytesIO(zip_bytes))
-    except zipfile.BadZipFile as e:
-        raise ValueError(f"Not a valid zip file: {e}")
-
-    with zf_handle as zf:
+        with zipfile.ZipFile(io.BytesIO(zip_bytes)) as zf:
             names_in_zip = {n.lower(): n for n in zf.namelist()}
 
             def _read_csv(filename: str) -> list[dict]:
@@ -122,7 +120,8 @@ def parse_export_zip(zip_bytes: bytes, stage_path: Path) -> dict:
                 desc       = row.get("Description", "").strip()
                 start      = row.get("Started On", "").strip()
                 end        = row.get("Finished On", "").strip()
-            date_range = f"{start} – {end}".strip(" –") if start or end else ""
+                end_label  = end if end else ("Present" if start else "")
+                date_range = f"{start} – {end_label}".strip(" –") if (start or end) else ""
                 bullets    = [d.strip() for d in re.split(r"[.•\n]+", desc) if d.strip() and len(d.strip()) > 3]
                 if company or title:
                     extracted["experience"].append({
@@ -157,6 +156,9 @@ def parse_export_zip(zip_bytes: bytes, stage_path: Path) -> dict:
                 if name:
                     extracted["achievements"].append(name)
 
+    except zipfile.BadZipFile as e:
+        raise ValueError(f"Not a valid zip file: {e}")
+
     _write_stage(stage_path, {
         "url":        None,
         "scraped_at": datetime.now(timezone.utc).isoformat(),

tests/test_linkedin_scraper.py

@@ -163,3 +163,51 @@ def test_parse_export_zip_writes_staging_file():
         data = json.loads(stage.read_text())
     assert data["source"] == "export_zip"
     assert data["raw_html"] is None
+
+
+def test_scrape_profile_sets_linkedin_url():
+    from scripts.linkedin_scraper import scrape_profile
+    with tempfile.TemporaryDirectory() as tmp:
+        stage = Path(tmp) / "stage.json"
+        fixture_html = (Path(__file__).parent / "fixtures" / "linkedin_profile.html").read_text()
+        mock_page = MagicMock()
+        mock_page.content.return_value = fixture_html
+        mock_browser = MagicMock()
+        mock_browser.new_page.return_value = mock_page
+        mock_playwright = MagicMock()
+        mock_playwright.chromium.launch.return_value = mock_browser
+        with patch("scripts.linkedin_scraper.sync_playwright") as mock_sync_pw:
+            mock_sync_pw.return_value.__enter__ = MagicMock(return_value=mock_playwright)
+            mock_sync_pw.return_value.__exit__ = MagicMock(return_value=False)
+            result = scrape_profile("https://linkedin.com/in/alanw", stage)
+        assert result["linkedin"] == "https://linkedin.com/in/alanw"
+
+
+def test_parse_export_zip_bad_zip_raises():
+    from scripts.linkedin_scraper import parse_export_zip
+    with tempfile.TemporaryDirectory() as tmp:
+        stage = Path(tmp) / "stage.json"
+        try:
+            parse_export_zip(b"not a zip file at all", stage)
+            assert False, "should have raised"
+        except ValueError as e:
+            assert "zip" in str(e).lower()
+
+
+def test_parse_export_zip_current_job_shows_present():
+    """Empty Finished On renders as '– Present', not truncated."""
+    from scripts.linkedin_scraper import parse_export_zip
+    buf = io.BytesIO()
+    with zipfile.ZipFile(buf, "w") as zf:
+        zf.writestr("Position.csv",
+            "Company Name,Title,Description,Started On,Finished On\n"
+            "Acme Corp,Staff Engineer,,Jan 2022,\n"
+        )
+        zf.writestr("Profile.csv",
+            "First Name,Last Name,Headline,Summary,Email Address\n"
+            "Alan,Weinstock,Engineer,,\n"
+        )
+    with tempfile.TemporaryDirectory() as tmp:
+        stage = Path(tmp) / "stage.json"
+        result = parse_export_zip(buf.getvalue(), stage)
+    assert result["experience"][0]["date_range"] == "Jan 2022 – Present"