Add integration and unit tests for GetProperty in AppiumElement

src/Appium.Net/Appium/AppiumElement.cs

@@ -155,7 +155,6 @@ public override string GetCssValue(string propertyName) => CacheValue(
                 () => base.GetCssValue(propertyName)
             )?.ToString();
 
-        //TODO: Add Integrations tests 
         public string GetProperty(string propertyName) => CacheValue(
                 "property/" + propertyName,
                 () => base.GetDomProperty(propertyName)

test/integration/Android/ElementTest.cs

@@ -202,6 +202,18 @@ public void FindAppiumElementsListUsingNestedElement()
             Assert.That(myDerivedElements, Is.Not.Empty);
         }
 
+        [Test]
+        public void GetPropertyTest()
+        {
+            if (Env.IsCiEnvironment())
+            {
+                Assert.Ignore("Skipping GetPropertyTest test in CI environment");
+            }
+            var myElement = WaitForElement(_driver, MobileBy.Id("android:id/content"));
+            string className = myElement.GetProperty("className");
+            Assert.That(className, Is.Not.Null);
+        }
+
         [OneTimeTearDown]
         public void AfterAll()
         {

test/integration/Element/AppiumElementCacheTest.cs

@@ -18,6 +18,22 @@
             _element = new TestableAppiumElement();
         }
 
+        [Test]
+        public void GetProperty_WithCacheEnabled_ReturnsCachedValue()
+        {
+            var propertyName = "className";
+            var expectedValue = "android.widget.TextView";
+
+            _element.SetCacheValues(new Dictionary<string, object>
+            {
+                { "property/" + propertyName, expectedValue }
+            });
+
+            var propertyValue = _element.GetProperty(propertyName);
+
+            Assert.That(propertyValue, Is.EqualTo(expectedValue));
+        }
+
         [Test]
         public void SetCacheValues_WithValidDictionary_EnablesCache()
         {
@@ -279,6 +295,38 @@
             Assert.That(_element.ServerCallCount, Is.EqualTo(3));
         }
 
+        [Test]
+        public void GetProperty_WithCacheDisabled_CallsServer()
+        {
+            var propertyName = "className";
+
+            // Access multiple times without cache
+            _ = _element.GetProperty(propertyName);
+            _ = _element.GetProperty(propertyName);
+
+            // Should have made 2 server calls
+            Assert.That(_element.ServerCallCount, Is.EqualTo(2));
+        }
+
+        [Test]
+        public void GetProperty_WithEmptyCache_CallsServerOnceAndCaches()
+        {
+            var propertyName = "className";
+
+            // Enable cache with empty dictionary
+            _element.SetCacheValues(new Dictionary<string, object>());
+
+            // First access should call server and populate cache
+            _ = _element.GetProperty(propertyName);
+            Assert.That(_element.ServerCallCount, Is.EqualTo(1));
+            Assert.That(_element.CacheValues.ContainsKey($"property/{propertyName}"), Is.True);
+
+            // Subsequent accesses should use cache
+            _ = _element.GetProperty(propertyName);
+            _ = _element.GetProperty(propertyName);
+            Assert.That(_element.ServerCallCount, Is.EqualTo(1));
+        }
+
         [Test]
         public void TagName_WithEmptyCache_CallsServerOnceAndCaches()
         {

test/integration/helpers/TestableAppiumElement.cs

@@ -100,6 +100,10 @@ public string GetAttribute(string attributeName) => CacheValue(
             "attribute/" + attributeName,
             () => SimulateServerCall("server-attribute-value"))?.ToString();
 
+        public string GetProperty(string propertyName) => CacheValue(
+            "property/" + propertyName,
+            () => GetDomProperty(propertyName))?.ToString();
+
         #endregion
 
         #region IWebElement Implementation (not used for cache testing)
@@ -120,7 +124,7 @@ public string GetAttribute(string attributeName) => CacheValue(
 
         public string GetDomAttribute(string attributeName) => throw new NotImplementedException("Not needed for cache testing");
 
-        public string GetDomProperty(string propertyName) => throw new NotImplementedException("Not needed for cache testing");
+        public string GetDomProperty(string propertyName) => SimulateServerCall("server-property-value")?.ToString();
 
         public OpenQA.Selenium.ISearchContext GetShadowRoot() => throw new NotImplementedException("Not needed for cache testing");