feat: add UpdateText and UpdatePrice to ClassifiedAd with domain events

tests/test_classified_ad.py

@@ -10,7 +10,9 @@ from domain.marketplace.classified_ad_state import ClassifiedAdState
 from domain.marketplace.classified_ad_text import ClassifiedAdText
 from domain.marketplace.classified_ad_title import ClassifiedAdTitle
 from domain.marketplace.domain_event import (
+    ClassifiedAdPriceUpdated,
     ClassifiedAdSentForReview,
+    ClassifiedAdTextUpdated,
     ClassifiedAdTitleChanged,
 )
 from domain.marketplace.invalid_entity_state_exception import (
@@ -323,3 +325,103 @@ def test_set_title_raises_classified_ad_title_changed_event():
     assert isinstance(event, ClassifiedAdTitleChanged)
     assert event.id == ad.id.value
     assert event.title == "New Title"
+
+
+def test_update_text_updates_text():
+    ad = ClassifiedAd(
+        id=ClassifiedAdId(value=uuid4()),
+        _ownerId=UserId(value=uuid4()),
+        title=ClassifiedAdTitle(title="Title"),
+        text=ClassifiedAdText(text="Old text"),
+        price=Price(amount=Decimal("10.00")),
+    )
+    new_text = ClassifiedAdText(text="New text")
+
+    updated = ad.update_text(new_text)
+
+    assert updated.text == new_text
+    assert ad.text == ClassifiedAdText(text="Old text")
+
+
+def test_update_text_fails_when_new_text_empty():
+    ad = ClassifiedAd(
+        id=ClassifiedAdId(value=uuid4()),
+        _ownerId=UserId(value=uuid4()),
+        title=ClassifiedAdTitle(title="Title"),
+        text=ClassifiedAdText(text="Text"),
+        price=Price(amount=Decimal("10.00")),
+    )
+
+    with pytest.raises(InvalidEntityStateException) as exc_info:
+        ad.update_text(ClassifiedAdText(text=""))
+
+    assert "text" in str(exc_info.value)
+
+
+def test_update_text_raises_classified_ad_text_updated_event():
+    ad = ClassifiedAd(
+        id=ClassifiedAdId(value=uuid4()),
+        _ownerId=UserId(value=uuid4()),
+        title=ClassifiedAdTitle(title="Title"),
+        text=ClassifiedAdText(text="Old text"),
+        price=Price(amount=Decimal("10.00")),
+    )
+
+    updated = ad.update_text(ClassifiedAdText(text="New text"))
+
+    changes = updated.get_changes()
+    assert len(changes) == 1
+    event = changes[0]
+    assert isinstance(event, ClassifiedAdTextUpdated)
+    assert event.id == ad.id.value
+    assert event.ad_text == "New text"
+
+
+def test_update_price_updates_price():
+    ad = ClassifiedAd(
+        id=ClassifiedAdId(value=uuid4()),
+        _ownerId=UserId(value=uuid4()),
+        title=ClassifiedAdTitle(title="Title"),
+        text=ClassifiedAdText(text="Text"),
+        price=Price(amount=Decimal("10.00")),
+    )
+    new_price = Price(amount=Decimal("25.00"))
+
+    updated = ad.update_price(new_price)
+
+    assert updated.price == new_price
+    assert ad.price == Price(amount=Decimal("10.00"))
+
+
+def test_update_price_fails_when_price_zero():
+    ad = ClassifiedAd(
+        id=ClassifiedAdId(value=uuid4()),
+        _ownerId=UserId(value=uuid4()),
+        title=ClassifiedAdTitle(title="Title"),
+        text=ClassifiedAdText(text="Text"),
+        price=Price(amount=Decimal("10.00")),
+    )
+
+    with pytest.raises(InvalidEntityStateException) as exc_info:
+        ad.update_price(Price(amount=Decimal("0.00")))
+
+    assert "price" in str(exc_info.value)
+
+
+def test_update_price_raises_classified_ad_price_updated_event():
+    ad = ClassifiedAd(
+        id=ClassifiedAdId(value=uuid4()),
+        _ownerId=UserId(value=uuid4()),
+        title=ClassifiedAdTitle(title="Title"),
+        text=ClassifiedAdText(text="Text"),
+        price=Price(amount=Decimal("10.00")),
+    )
+
+    updated = ad.update_price(Price(amount=Decimal("25.00")))
+
+    changes = updated.get_changes()
+    assert len(changes) == 1
+    event = changes[0]
+    assert isinstance(event, ClassifiedAdPriceUpdated)
+    assert event.id == ad.id.value
+    assert event.price == Decimal("25.00")