feat: extractors fuer pdf/md/docx/xlsx mit dynamic fixtures

tests/test_extractors.py

@@ -0,0 +1,38 @@
+import pytest
+from app.ingest.extractors import extract, ExtractedPage, UnsupportedFileType
+
+
+def test_extract_pdf_returns_pages(sample_pdf_bytes):
+    pages = extract(sample_pdf_bytes, "pdf", filename="x.pdf")
+    assert len(pages) == 2
+    assert pages[0].page == 1
+    assert "Seite eins" in pages[0].text
+    assert pages[1].page == 2
+    assert "Seite zwei" in pages[1].text
+
+
+def test_extract_docx_returns_single_page(sample_docx_bytes):
+    pages = extract(sample_docx_bytes, "docx", filename="x.docx")
+    assert len(pages) == 1
+    assert pages[0].page == 1
+    assert "Erster Absatz." in pages[0].text
+    assert "Zweiter Absatz" in pages[0].text
+
+
+def test_extract_md_returns_single_page(sample_md_bytes):
+    pages = extract(sample_md_bytes, "md", filename="x.md")
+    assert len(pages) == 1
+    assert pages[0].page == 1
+    assert "First paragraph." in pages[0].text
+
+
+def test_extract_xlsx_returns_filename_pseudo_text(sample_xlsx_bytes):
+    pages = extract(sample_xlsx_bytes, "xlsx", filename="my-sheet.xlsx")
+    assert len(pages) == 1
+    assert pages[0].page == 1
+    assert pages[0].text == "Tabelle: my-sheet.xlsx"
+
+
+def test_extract_unsupported_raises():
+    with pytest.raises(UnsupportedFileType):
+        extract(b"data", "txt", filename="x.txt")