diff --git a/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ILabelsExtensions.csFixture.cs b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ILabelsExtensions.csFixture.cs
new file mode 100644
index 0000000..aabd94b
--- /dev/null
+++ b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ILabelsExtensions.csFixture.cs
@@ -0,0 +1,104 @@
+using Moq;
+using Reveal.Sdk.Dom.Visualizations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Reveal.Sdk.Dom.Tests.Visualizations.Extensions
+{
+    public class ILabelsExtensions
+    {
+        [Fact]
+        public void SetLabel_UpdateLabels_WithFieldName()
+        {
+            // Arrange
+            var mockLabel = new Mock<ILabels>();
+            mockLabel.Setup(x => x.Labels).Returns(new List<DimensionColumn> { new DimensionColumn() { DataField = new TextDataField("InitialField") } });
+            var visualization = mockLabel.Object;
+
+            var fieldName = "TestName";
+            var expectedLabels = new List<DimensionColumn> { new DimensionColumn() { DataField = new TextDataField(fieldName) } };
+
+            // Act
+            visualization.SetLabel(fieldName);
+
+            // Assert
+            Assert.Equivalent(expectedLabels, visualization.Labels);
+        }
+
+        [Fact]
+        public void SetLabel_UpdateLabels_WithDimensionDataField()
+        {
+            // Arrange
+            var mockLabel = new Mock<ILabels>();
+            mockLabel.Setup(x => x.Labels).Returns(new List<DimensionColumn> { new DimensionColumn() { DataField = new TextDataField("InitialField") } });
+            var visualization = mockLabel.Object;
+
+            var mockDimensionDataField = new Mock<DimensionDataField>("TestField");
+            var dimensionDataField = mockDimensionDataField.Object;
+            var expectedLabels = new List<DimensionColumn> { new DimensionColumn() { DataField = dimensionDataField } };
+
+            // Act
+            visualization.SetLabel(dimensionDataField);
+
+            // Assert
+            Assert.Equivalent(expectedLabels, visualization.Labels);
+        }
+
+        [Fact]
+        public void SetLabels_UpdateLabels_WithListFieldNames()
+        {
+            // Arrange
+            var mockLabel = new Mock<ILabels>();
+            mockLabel.Setup(x => x.Labels).Returns(new List<DimensionColumn> { new DimensionColumn() { DataField = new TextDataField("InitialField") } });
+            var visualization = mockLabel.Object;
+
+            var listFieldNames = new List<string>
+            {
+                "FirstField",
+                "SecondField"
+            };
+            var expectedLabels = listFieldNames.Select(fieldName => new DimensionColumn()
+            {
+                DataField = new TextDataField(fieldName)
+            }).ToList();
+
+            // Act
+            visualization.SetLabels(listFieldNames.ToArray());
+
+            // Assert
+            Assert.Equivalent(expectedLabels, visualization.Labels);
+        }
+
+        [Fact]
+        public void SetLabels_UpdateLabels_WithListDimensionDateFields()
+        {
+            // Arrange
+            var mockLabel = new Mock<ILabels>();
+            mockLabel.Setup(x => x.Labels).Returns(new List<DimensionColumn> { new DimensionColumn() { DataField = new TextDataField("InitialField") } });
+            var visualization = mockLabel.Object;
+
+            var listFields = new List<DimensionDataField>();
+            var expectedLabels = new List<DimensionColumn>();
+
+            var mockDimensionDataField1 = new Mock<DimensionDataField>("FirstField");
+            var firstField = mockDimensionDataField1.Object;
+            listFields.Add(firstField);
+            expectedLabels.Add(new DimensionColumn(firstField));
+
+            var mockDimensionDataField2 = new Mock<DimensionDataField>("SecondField");
+            var secondField = mockDimensionDataField2.Object;
+            listFields.Add(secondField);
+            expectedLabels.Add(new DimensionColumn(secondField));
+
+            // Act
+            visualization.SetLabels(listFields.ToArray());
+
+            // Assert
+            Assert.Equivalent(expectedLabels, visualization.Labels);
+        }
+    }
+}
diff --git a/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/IMapExtensionsFixture.cs b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/IMapExtensionsFixture.cs
new file mode 100644
index 0000000..ad105e4
--- /dev/null
+++ b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/IMapExtensionsFixture.cs
@@ -0,0 +1,33 @@
+using Moq;
+using Reveal.Sdk.Dom.Visualizations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Reveal.Sdk.Dom.Tests.Visualizations.Extensions
+{
+    public class IMapExtensionsFixture
+    {
+        [Fact]
+        public void SetMap_UpdateMap_WithMapName()
+        {
+            // Arrange
+            var map = new MockMap();
+            var expectedMapName = "TestMap";
+
+            // Act
+            map.SetMap(expectedMapName);
+
+            // Assert
+            Assert.Equal(expectedMapName, map.Map);
+        }
+
+        private class MockMap : IMap
+        {
+            public string Map { get; set; }
+        }
+    }
+}
diff --git a/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/IRowsExtensionsFixture.cs b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/IRowsExtensionsFixture.cs
new file mode 100644
index 0000000..94ab5a4
--- /dev/null
+++ b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/IRowsExtensionsFixture.cs
@@ -0,0 +1,94 @@
+using Moq;
+using Reveal.Sdk.Dom.Visualizations;
+using System.Collections.Generic;
+using System.Linq;
+using Xunit;
+
+namespace Reveal.Sdk.Dom.Tests.Visualizations.Extensions
+{
+    public class IRowsExtensionsFixture
+    {
+        [Fact]
+        public void SetRow_UpdateRows_WithFieldName()
+        {
+            // Arrange
+            var mockRow = new Mock<IRows>();
+            mockRow.Setup(s => s.Rows).Returns(new List<DimensionColumn>() { new DimensionColumn() { DataField = new TextDataField("InitialField") } });
+            var visualization = mockRow.Object;
+
+            var fieldName = "TestField";
+            var expectedRows = new List<DimensionColumn> { new DimensionColumn() { DataField = new TextDataField(fieldName) } };
+
+            // Act
+            visualization.SetRow(fieldName);
+
+            // Assert
+            Assert.Equivalent(expectedRows, visualization.Rows);
+        }
+
+        [Fact]
+        public void SetRow_UpdateRows_WithDimensionDataField()
+        {
+            // Arrange
+            var mockRow = new Mock<IRows>();
+            mockRow.Setup(s => s.Rows).Returns(new List<DimensionColumn>() { new DimensionColumn() { DataField = new TextDataField("InitialField") } });
+            var visualization = mockRow.Object;
+
+            var mockDimensionDataField = new Mock<DimensionDataField>("TestField");
+            var field = mockDimensionDataField.Object;
+            var expectedRows = new List<DimensionColumn> { new DimensionColumn() { DataField = field } };
+
+            // Act
+            visualization.SetRow(field);
+
+            // Assert
+            Assert.Equivalent(expectedRows, visualization.Rows);
+        }
+
+        [Fact]
+        public void SetRows_UpdateRows_WithFieldNames()
+        {
+            // Arrange
+            var mockRow = new Mock<IRows>();
+            mockRow.Setup(s => s.Rows).Returns(new List<DimensionColumn>() { new DimensionColumn() { DataField = new TextDataField("InitialField") } });
+            var visualization = mockRow.Object;
+
+            var fieldNames = new List<string>{ "FirstField", "SecondField" };
+            var expectedVSRows = fieldNames.Select(fieldName => new DimensionColumn() { DataField= new TextDataField(fieldName) });
+
+            // Act
+            visualization.SetRows(fieldNames.ToArray());
+
+            // Assert
+            Assert.Equivalent(expectedVSRows, visualization.Rows);
+        }
+
+        [Fact]
+        public void SetRows_UpdateRows_WithListDimensionDataFields()
+        {
+            // Arrange
+            var mockRow = new Mock<IRows>();
+            mockRow.Setup(s => s.Rows).Returns(new List<DimensionColumn>() { new DimensionColumn() { DataField = new TextDataField("InitialField") } });
+            var visualization = mockRow.Object;
+
+            var listFields = new List<DimensionDataField>();
+            var expectedRows = new List<DimensionColumn>();
+
+            var firstMockDimensionDataField = new Mock<DimensionDataField>("FirstFieldName");
+            var firstField = firstMockDimensionDataField.Object;
+            expectedRows.Add(new DimensionColumn() { DataField = firstField });
+            listFields.Add(firstField);
+
+            var secondMockDimensionDataField = new Mock<DimensionDataField>("SecondFieldName");
+            var secondField = secondMockDimensionDataField.Object;
+            expectedRows.Add(new DimensionColumn() { DataField = secondField });
+            listFields.Add(secondField);
+
+            // Act
+            visualization.SetRows(listFields.ToArray());
+
+            // Assert
+            Assert.Equivalent(expectedRows, visualization.Rows);
+        }
+    }
+}
diff --git a/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ITabularColumnsExtensionsFixture.cs b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ITabularColumnsExtensionsFixture.cs
new file mode 100644
index 0000000..144b3a2
--- /dev/null
+++ b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ITabularColumnsExtensionsFixture.cs
@@ -0,0 +1,32 @@
+using Moq;
+using Reveal.Sdk.Dom.Visualizations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Reveal.Sdk.Dom.Tests.Visualizations.Extensions
+{
+    public class ITabularColumnsExtensionsFixture
+    {
+        [Fact]
+        public void SetColumns_UpdateColumns_WithListFieldNames()
+        {
+            // Arrange
+            var mockTabularColumn = new Mock<ITabularColumns>();
+            mockTabularColumn.SetupGet(s => s.Columns).Returns(new List<TabularColumn> { new TabularColumn("InitialColumn") });
+            var visualization = mockTabularColumn.Object;
+
+            var fieldNames = new List<string> { "FirstField", "SecondField" };
+            var expectedColumns = fieldNames.Select(fieldName => new TabularColumn(fieldName)).ToList();
+
+            // Act
+            visualization.SetColumns(fieldNames.ToArray());
+
+            // Assert
+            Assert.Equivalent(expectedColumns, visualization.Columns);
+        }
+    }
+}
diff --git a/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ITargetExtensionsFixture.cs b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ITargetExtensionsFixture.cs
new file mode 100644
index 0000000..7df472d
--- /dev/null
+++ b/src/Reveal.Sdk.Dom.Tests/Visualizations/Extensions/ITargetExtensionsFixture.cs
@@ -0,0 +1,102 @@
+using Moq;
+using Reveal.Sdk.Dom.Visualizations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Reveal.Sdk.Dom.Tests.Visualizations.Extensions
+{
+    public class ITargetExtensionsFixture
+    {
+        [Fact]
+        public void SetTarget_UpdateTargets_WithFieldName()
+        {
+            // Arrange
+            var mockTarget = new Mock<ITargets>();
+            var targets = new List<MeasureColumn>() { new MeasureColumn() { DataField = new NumberDataField("InitialField") } };
+            mockTarget.Setup(s => s.Targets).Returns(targets);
+            var targetObj = mockTarget.Object;
+
+            var fieldName = "TestField";
+            var numberField = new NumberDataField(fieldName);
+            var expectedTargetList = new List<MeasureColumn>() { new MeasureColumn() { DataField = numberField } };
+
+            // Act
+            targetObj.SetTarget(fieldName);
+
+            // Assert
+            Assert.Equivalent(expectedTargetList, targetObj.Targets);
+        }
+
+        [Fact]
+        public void SetTarget_UpdateTargets_WithNumberDataField()
+        {
+            // Arrange
+            var mockTarget = new Mock<ITargets>();
+            var targets = new List<MeasureColumn>() { new MeasureColumn() { DataField = new NumberDataField("InitialField") } };
+            mockTarget.Setup(s => s.Targets).Returns(targets);
+            var targetObj = mockTarget.Object;
+
+            var fieldName = "TestField";
+            var numberField = new NumberDataField(fieldName);
+            var expectedTargetList = new List<MeasureColumn>() { new MeasureColumn() { DataField = numberField } };
+
+            // Act
+            targetObj.SetTarget(numberField);
+
+            // Assert
+            Assert.Equivalent(expectedTargetList, targetObj.Targets);
+        }
+
+        [Fact]
+        public void SetTargets_UpdateTargets_WithListFieldNames()
+        {
+            // Arrange
+            var mockTarget = new Mock<ITargets>();
+            var targets = new List<MeasureColumn>() { new MeasureColumn() { DataField = new NumberDataField("InitialField") } };
+            mockTarget.Setup(s => s.Targets).Returns(targets);
+            var targetObj = mockTarget.Object;
+
+            var fieldNames = new List<string>() { "FirstField", "SecondField" };
+            var expectedTargetList = fieldNames.Select(fieldName => new MeasureColumn()
+            {
+                DataField = new NumberDataField(fieldName)
+            });
+
+            // Act
+            targetObj.SetTargets(fieldNames.ToArray());
+
+            // Assert
+            Assert.Equivalent(expectedTargetList, targetObj.Targets);
+        }
+
+        [Fact]
+        public void SetTargets_UpdateTargets_WithListNumberDataField()
+        {
+            // Arrange
+            var mockTarget = new Mock<ITargets>();
+            var targets = new List<MeasureColumn>() { new MeasureColumn() { DataField = new NumberDataField("InitialField") } };
+            mockTarget.Setup(s => s.Targets).Returns(targets);
+            var targetObj = mockTarget.Object;
+
+            var numberFields = new List<NumberDataField>()
+            {
+                new NumberDataField("FirstField"),
+                new NumberDataField("SecondField"),
+            };
+            var expectedTargetList = numberFields.Select(field => new MeasureColumn()
+            {
+                DataField = field
+            });
+
+            // Act
+            targetObj.SetTargets(numberFields.ToArray());
+
+            // Assert
+            Assert.Equivalent(expectedTargetList, targetObj.Targets);
+        }
+    }
+}