✅ Add initial unit tests for models

Author: SamPetherbridge

tests/__init__.py

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+"""Tests for search-ads-api."""

tests/unit/__init__.py

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+"""Unit tests for search-ads-api."""

tests/unit/test_models.py

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+"""Tests for the Pydantic models."""
+
+import pytest
+
+from search_ads_api.models import (
+    Campaign,
+    CampaignCreate,
+    CampaignStatus,
+    CampaignSupplySource,
+    Money,
+    Selector,
+)
+
+
+class TestMoney:
+    """Tests for the Money model."""
+
+    def test_create_money(self) -> None:
+        """Test creating a Money instance."""
+        money = Money(amount="100.50", currency="USD")
+        assert money.amount == "100.50"
+        assert money.currency == "USD"
+
+    def test_money_usd_helper(self) -> None:
+        """Test the USD helper method."""
+        money = Money.usd(100)
+        assert money.amount == "100"
+        assert money.currency == "USD"
+
+    def test_money_usd_with_decimals(self) -> None:
+        """Test USD helper with decimal amount."""
+        money = Money.usd(100.50)
+        assert money.amount == "100.5"
+        assert money.currency == "USD"
+
+
+class TestSelector:
+    """Tests for the Selector model."""
+
+    def test_empty_selector(self) -> None:
+        """Test creating an empty selector with defaults."""
+        selector = Selector()
+        data = selector.model_dump(by_alias=True, exclude_none=True)
+        assert data["conditions"] == []
+        assert data["orderBy"] == []
+        assert data["pagination"]["limit"] == 1000
+        assert data["pagination"]["offset"] == 0
+
+    def test_selector_with_condition(self) -> None:
+        """Test creating a selector with a condition."""
+        selector = Selector().where("status", "==", "ENABLED")
+        data = selector.model_dump(by_alias=True, exclude_none=True)
+        assert "conditions" in data
+        assert len(data["conditions"]) == 1
+        assert data["conditions"][0]["field"] == "status"
+        assert data["conditions"][0]["operator"] == "EQUALS"
+        assert data["conditions"][0]["values"] == ["ENABLED"]
+
+    def test_selector_with_pagination(self) -> None:
+        """Test creating a selector with pagination."""
+        selector = Selector().limit(50).offset(100)
+        data = selector.model_dump(by_alias=True, exclude_none=True)
+        assert "pagination" in data
+        assert data["pagination"]["limit"] == 50
+        assert data["pagination"]["offset"] == 100
+
+
+class TestCampaignCreate:
+    """Tests for campaign creation models."""
+
+    def test_create_campaign_model(self) -> None:
+        """Test creating a CampaignCreate instance."""
+        campaign = CampaignCreate(
+            name="Test Campaign",
+            adam_id=123456789,
+            countries_or_regions=["US"],
+            supply_sources=[CampaignSupplySource.APPSTORE_SEARCH_RESULTS],
+            daily_budget_amount=Money.usd(100),
+        )
+        assert campaign.name == "Test Campaign"
+        assert campaign.adam_id == 123456789
+        assert campaign.countries_or_regions == ["US"]
+        assert campaign.status == CampaignStatus.ENABLED
+
+    def test_campaign_serialization(self) -> None:
+        """Test that campaign serializes with correct aliases."""
+        campaign = CampaignCreate(
+            name="Test Campaign",
+            adam_id=123456789,
+            countries_or_regions=["US"],
+            supply_sources=[CampaignSupplySource.APPSTORE_SEARCH_RESULTS],
+        )
+        data = campaign.model_dump(by_alias=True, exclude_none=True)
+        assert "adamId" in data
+        assert "countriesOrRegions" in data
+        assert "supplySources" in data