feat: full backend (untested)

backend/tests/conftest.py

@@ -0,0 +1,16 @@
+import pytest
+
+
+@pytest.fixture
+def sample_ics():
+    return """BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Test//Test//EN
+BEGIN:VEVENT
+DTSTART:20260106T150000Z
+DTEND:20260106T160000Z
+SUMMARY:Meeting
+UID:test-1
+DTSTAMP:20260101T000000Z
+END:VEVENT
+END:VCALENDAR"""

backend/tests/test_availability.py

@@ -0,0 +1,73 @@
+from datetime import datetime, timedelta, timezone
+
+from app.availability_service import (
+    get_week_boundaries,
+    is_participant_free,
+)
+
+
+def test_get_week_boundaries_returns_monday_to_friday():
+    wednesday = datetime(2026, 1, 7, 12, 0, 0, tzinfo=timezone.utc)
+    monday, friday = get_week_boundaries(wednesday)
+
+    assert monday.weekday() == 0
+    assert friday.weekday() == 4
+    assert monday.hour == 0
+    assert friday.hour == 23
+
+
+def test_get_week_boundaries_monday_input():
+    monday_input = datetime(2026, 1, 5, 12, 0, 0, tzinfo=timezone.utc)
+    monday, friday = get_week_boundaries(monday_input)
+
+    assert monday.day == 5
+    assert friday.day == 9
+
+
+def test_is_participant_free_no_blocks():
+    slot_start = datetime(2026, 1, 6, 10, 0, 0, tzinfo=timezone.utc)
+    slot_end = datetime(2026, 1, 6, 11, 0, 0, tzinfo=timezone.utc)
+
+    assert is_participant_free([], slot_start, slot_end) is True
+
+
+def test_is_participant_free_with_non_overlapping_block():
+    slot_start = datetime(2026, 1, 6, 10, 0, 0, tzinfo=timezone.utc)
+    slot_end = datetime(2026, 1, 6, 11, 0, 0, tzinfo=timezone.utc)
+
+    busy_blocks = [
+        (
+            datetime(2026, 1, 6, 14, 0, 0, tzinfo=timezone.utc),
+            datetime(2026, 1, 6, 15, 0, 0, tzinfo=timezone.utc),
+        )
+    ]
+
+    assert is_participant_free(busy_blocks, slot_start, slot_end) is True
+
+
+def test_is_participant_busy_with_overlapping_block():
+    slot_start = datetime(2026, 1, 6, 10, 0, 0, tzinfo=timezone.utc)
+    slot_end = datetime(2026, 1, 6, 11, 0, 0, tzinfo=timezone.utc)
+
+    busy_blocks = [
+        (
+            datetime(2026, 1, 6, 10, 30, 0, tzinfo=timezone.utc),
+            datetime(2026, 1, 6, 11, 30, 0, tzinfo=timezone.utc),
+        )
+    ]
+
+    assert is_participant_free(busy_blocks, slot_start, slot_end) is False
+
+
+def test_is_participant_busy_with_containing_block():
+    slot_start = datetime(2026, 1, 6, 10, 0, 0, tzinfo=timezone.utc)
+    slot_end = datetime(2026, 1, 6, 11, 0, 0, tzinfo=timezone.utc)
+
+    busy_blocks = [
+        (
+            datetime(2026, 1, 6, 9, 0, 0, tzinfo=timezone.utc),
+            datetime(2026, 1, 6, 12, 0, 0, tzinfo=timezone.utc),
+        )
+    ]
+
+    assert is_participant_free(busy_blocks, slot_start, slot_end) is False

backend/tests/test_ics_parsing.py

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+import uuid
+
+import pytest
+
+from app.ics_service import parse_ics_to_busy_blocks
+
+SAMPLE_ICS = """BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Test//Test//EN
+BEGIN:VEVENT
+DTSTART:20260106T150000Z
+DTEND:20260106T160000Z
+SUMMARY:Meeting
+UID:test-1
+DTSTAMP:20260101T000000Z
+END:VEVENT
+BEGIN:VEVENT
+DTSTART:20260107T140000Z
+DTEND:20260107T153000Z
+SUMMARY:Another Meeting
+UID:test-2
+DTSTAMP:20260101T000000Z
+END:VEVENT
+END:VCALENDAR"""
+
+
+def test_parse_ics_extracts_busy_blocks():
+    participant_id = str(uuid.uuid4())
+    blocks = parse_ics_to_busy_blocks(SAMPLE_ICS, participant_id)
+
+    assert len(blocks) == 2
+    assert all(str(b.participant_id) == participant_id for b in blocks)
+
+
+def test_parse_ics_extracts_correct_times():
+    participant_id = str(uuid.uuid4())
+    blocks = parse_ics_to_busy_blocks(SAMPLE_ICS, participant_id)
+
+    sorted_blocks = sorted(blocks, key=lambda b: b.start_time)
+
+    assert sorted_blocks[0].start_time.hour == 15
+    assert sorted_blocks[0].end_time.hour == 16
+
+    assert sorted_blocks[1].start_time.hour == 14
+    assert sorted_blocks[1].end_time.hour == 15
+    assert sorted_blocks[1].end_time.minute == 30
+
+
+def test_parse_empty_ics():
+    empty_ics = """BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Test//Test//EN
+END:VCALENDAR"""
+
+    participant_id = str(uuid.uuid4())
+    blocks = parse_ics_to_busy_blocks(empty_ics, participant_id)
+
+    assert len(blocks) == 0