Reject malformed text imports before creating junk recipes

Co-authored-by: fredamn76 <fredrik.fallman@gmail.com>
Signed-off-by: fredamn76 <fredrik.fallman@gmail.com>

tests/test_server.py

@@ -96,6 +96,36 @@ class TestImportReport:
         assert server._import_report(recipe)["suggested_title"] is None
 
 
+class TestTextImport:
+    def test_rejects_text_without_explicit_sections_before_writing(self, monkeypatch):
+        monkeypatch.setattr(
+            server,
+            "_request",
+            lambda *_args, **_kwargs: pytest.fail("must not create a junk recipe"),
+        )
+
+        with pytest.raises(ValueError, match="Titel"):
+            server.import_recipe_text(
+                "Namnlöst recept\n\nIngredienser:\n1 dl vatten\n\nGör så här:\nBlanda."
+            )
+
+    def test_accepts_the_documented_swedish_section_format(self, monkeypatch):
+        text = (
+            "Titel: Testsoppa\n\nPortioner: 2\n\nIngredienser:\n1 dl vatten\n\n"
+            "Gör så här:\nBlanda."
+        )
+        recipe = {
+            "slug": "testsoppa",
+            "name": "Testsoppa",
+            "recipeIngredient": [{"display": "1 dl vatten"}],
+            "recipeInstructions": [{"text": "Blanda."}],
+        }
+        monkeypatch.setattr(server, "_request", lambda *_args, **_kwargs: "testsoppa")
+        monkeypatch.setattr(server, "get_recipe", lambda _slug: recipe)
+
+        assert server.import_recipe_text(text)["recipe"] == recipe
+
+
 class TestParseIngredients:
     def test_reverts_structure_when_mealie_rewords_the_swedish_line(self, mock_mealie):
         canonical = "4,7 dl basmatiris"