Unit test/primitive test field

src/Reveal.Sdk.Dom.Tests/Visualizations/Primitives/TextFieldFixture.cs

@@ -0,0 +1,68 @@
+using Newtonsoft.Json.Linq;
+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.Primitives
+{
+    public class TextFieldFixture
+    {
+        [Fact]
+        public void Constructor_SetDefaultValues_WhenConstructed()
+        {
+            // Act
+            var field = new TextField();
+
+            // Assert
+            Assert.Equal(DataType.String, ((IFieldDataType)field).DataType);
+            Assert.Equal(string.Empty, field.FieldName);
+        }
+
+        [Fact]
+        public void Constructor_SetFieldName_WhenConstructed()
+        {
+            // Arrange
+            var fieldName = "FieldName";
+
+            // Act
+            var field = new TextField(fieldName);
+
+            // Assert
+            Assert.Equal(DataType.String, ((IFieldDataType)field).DataType);
+            Assert.Equal(fieldName, field.FieldName);
+        }
+
+        [Fact]
+        public void ToJsonString_CreateCorrectJsonString_WithoutCondition()
+        {
+            // Arrange
+            var expectedJson = """
+            {
+                "FieldName": "FieldName",
+                "FieldLabel": "FieldName",
+                "UserCaption": "FieldName",
+                "IsCalculated": false,
+                "Properties": {},
+                "Sorting": "None",
+                "FieldType": "String"
+            }
+            """;
+            var fieldName = "FieldName";
+
+            // Act
+            var field = new TextField(fieldName);
+
+            // Act
+            var actualJson = field.ToJsonString();
+            var expectedJObject = JObject.Parse(expectedJson);
+            var actualJObject = JObject.Parse(actualJson);
+
+            // Assert
+            Assert.Equal(expectedJObject, actualJObject);
+        }    
+    }
+}