feat: v4.0 - multi-day horizontal canvas, duration input, overnight blocks, PDF horizontal layout

tests/test_pdf.py

@@ -1,5 +1,5 @@
 """
-PDF generation tests for Scenar Creator v3.
+PDF generation tests for Scenar Creator v4.
 """
 
 import pytest
@@ -11,7 +11,8 @@ from app.models.event import ScenarioDocument, Block, ProgramType, EventInfo
 def make_doc(**kwargs):
     defaults = {
         "version": "1.0",
-        "event": EventInfo(title="Test PDF", subtitle="Subtitle"),
+        "event": EventInfo(title="Test PDF", subtitle="Subtitle",
+                           date_from="2026-03-01", date_to="2026-03-01"),
         "program_types": [
             ProgramType(id="ws", name="Workshop", color="#0070C0"),
         ],
@@ -32,8 +33,18 @@ def test_generate_pdf_basic():
     assert pdf_bytes[:5] == b'%PDF-'
 
 
+def test_generate_pdf_is_single_page():
+    import re
+    doc = make_doc()
+    pdf_bytes = generate_pdf(doc)
+    # Count /Type /Page (not /Pages) occurrences
+    pages = len(re.findall(rb'/Type\s*/Page[^s]', pdf_bytes))
+    assert pages == 1, f"Expected 1 page, got {pages}"
+
+
 def test_generate_pdf_multiday():
     doc = make_doc(
+        event=EventInfo(title="Multi-day", date_from="2026-03-01", date_to="2026-03-02"),
         program_types=[
             ProgramType(id="key", name="Keynote", color="#FF0000"),
             ProgramType(id="ws", name="Workshop", color="#0070C0"),
@@ -50,6 +61,18 @@ def test_generate_pdf_multiday():
     assert pdf_bytes[:5] == b'%PDF-'
 
 
+def test_generate_pdf_overnight_block():
+    """Block crossing midnight (end < start) should render without error."""
+    doc = make_doc(
+        blocks=[
+            Block(id="b1", date="2026-03-01", start="22:00", end="01:30",
+                  title="Noční hra", type_id="ws", responsible="Honza"),
+        ]
+    )
+    pdf_bytes = generate_pdf(doc)
+    assert pdf_bytes[:5] == b'%PDF-'
+
+
 def test_generate_pdf_empty_blocks():
     doc = make_doc(blocks=[])
     with pytest.raises(ScenarsError):
@@ -67,14 +90,27 @@ def test_generate_pdf_missing_type():
         generate_pdf(doc)
 
 
-def test_generate_pdf_with_event_info():
+def test_generate_pdf_with_full_event_info():
     doc = make_doc(
         event=EventInfo(
             title="Full Event",
             subtitle="With all fields",
-            date="2026-03-01",
+            date_from="2026-03-01",
+            date_to="2026-03-03",
             location="Prague"
-        )
+        ),
+        program_types=[
+            ProgramType(id="ws", name="Workshop", color="#0070C0"),
+            ProgramType(id="rest", name="Odpočinek", color="#22C55E"),
+        ],
+        blocks=[
+            Block(id="b1", date="2026-03-01", start="09:00", end="10:00",
+                  title="Session 1", type_id="ws"),
+            Block(id="b2", date="2026-03-02", start="10:00", end="11:00",
+                  title="Session 2", type_id="rest"),
+            Block(id="b3", date="2026-03-03", start="08:00", end="09:00",
+                  title="Session 3", type_id="ws"),
+        ]
     )
     pdf_bytes = generate_pdf(doc)
     assert pdf_bytes[:5] == b'%PDF-'
@@ -93,3 +129,14 @@ def test_generate_pdf_multiple_blocks_same_day():
     )
     pdf_bytes = generate_pdf(doc)
     assert pdf_bytes[:5] == b'%PDF-'
+
+
+def test_generate_pdf_many_types_legend():
+    """Many program types should fit in multi-column legend."""
+    types = [ProgramType(id=f"t{i}", name=f"Typ {i}", color=f"#{'%06x' % (i * 20000)}") 
+             for i in range(1, 9)]
+    blocks = [Block(id=f"b{i}", date="2026-03-01", start=f"{8+i}:00", end=f"{9+i}:00",
+                    title=f"Blok {i}", type_id=f"t{i}") for i in range(1, 9)]
+    doc = make_doc(program_types=types, blocks=blocks)
+    pdf_bytes = generate_pdf(doc)
+    assert pdf_bytes[:5] == b'%PDF-'