add french polynesia test

Author: selfmadecode

src/World.Net.UnitTests/Countries/FrenchPolynesiaTest.cs

@@ -1,39 +1,44 @@
 namespace World.Net.UnitTests.Countries;
-public sealed class FrenchPolynesiaTest
+public sealed class FrenchPolynesiaTest : AssertCountryTestBase
 {
     private const string FRENCH_POLYNESIA_NAME = "French Polynesia";
-    private const int FRENCH_POLYNESIA_STATE_COUNT = 5;
     private const string FRENCH_POLYNESIA_OFFICIAL_NAME = "Polynésie française";
     private const string FRENCH_POLYNESIA_NATIVE_NAME = "Polynésie française";
     private const string FRENCH_POLYNESIA_CAPITAL = "Papeete";
     private const int FRENCH_POLYNESIA_NUMERIC_CODE = 258;
     private const string FRENCH_POLYNESIA_ISO2_CODE = "PF";
     private const string FRENCH_POLYNESIA_ISO3_CODE = "PYF";
-    private static readonly string[] VALID_STATE_TYPES = { "division" };
     private readonly string[] FRENCH_POLYNESIA_CALLING_CODE = ["+689"];
-
+    private const CountryIdentifier ExpectedId = CountryIdentifier.FrenchPolynesia;
+    private static readonly (string Name, string IsoCode, string Type)[] ExpectedStates = [
+        ("N'Austral Islands", "PF-01", "division"),
+        ("Leeward Islands", "PF-02", "division"),
+        ("Marquesas Islands", "PF-03", "division"),
+        ("Tuamotu-Gambier", "PF-04", "division"),
+        ("Windward Islands", "PF-05", "division"),
+    ];
 
     [Fact]
     public void GetCountry_ReturnsCorrectInformation_ForFrench_Polynesia()
     {
         // Arrange
-        CountryIdentifier existingCountryId = CountryIdentifier.FrenchPolynesia;
-
         // Act
-        var country = CountryProvider.GetCountry(existingCountryId);
+        var country = CountryProvider.GetCountry(ExpectedId);
 
         //Assert
-        Assert.Equal(existingCountryId, country.Id);
-        Assert.Equal(FRENCH_POLYNESIA_NAME, country.Name);
-        Assert.NotNull(country.States);
-        Assert.Equal(FRENCH_POLYNESIA_STATE_COUNT, country.States.Count());
-        Assert.Equal(FRENCH_POLYNESIA_OFFICIAL_NAME, country.OfficialName);
-        Assert.Equal(FRENCH_POLYNESIA_NATIVE_NAME, country.NativeName);
-        Assert.All(country.States, state => Assert.Contains(state.Type, VALID_STATE_TYPES));
-        Assert.Equal(FRENCH_POLYNESIA_CAPITAL, country.Capital);
-        Assert.Equal(FRENCH_POLYNESIA_NUMERIC_CODE, country.NumericCode);
-        Assert.Equal(FRENCH_POLYNESIA_ISO2_CODE, country.ISO2Code);
-        Assert.Equal(FRENCH_POLYNESIA_ISO3_CODE, country.ISO3Code);
-        Assert.Equal(FRENCH_POLYNESIA_CALLING_CODE, country.CallingCode);
+
+        AssertCorrectInformation(
+            country,
+            ExpectedId,
+            FRENCH_POLYNESIA_NAME,
+            FRENCH_POLYNESIA_OFFICIAL_NAME,
+            FRENCH_POLYNESIA_NATIVE_NAME,
+            FRENCH_POLYNESIA_CAPITAL,
+            FRENCH_POLYNESIA_NUMERIC_CODE,
+            FRENCH_POLYNESIA_ISO2_CODE,
+            FRENCH_POLYNESIA_ISO3_CODE,
+            FRENCH_POLYNESIA_CALLING_CODE,
+            ExpectedStates
+        );
     }
 }