Add logic for import of combination from xls files

StructureHelperTests/UnitTests/ForcesTests/CheckColumnedFilePropertyLogicTests.cs

@@ -0,0 +1,84 @@
+using NUnit.Framework;
+using Moq;
+using System.IO;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models;
+
+namespace StructureHelperTests.UnitTests.ForcesTests
+{
+
+
+    [TestFixture]
+    public class CheckColumnedFilePropertyLogicTests
+    {
+        private Mock<IShiftTraceLogger> _mockTraceLogger;
+        private Mock<IColumnedFileProperty> _mockFileProperty;
+        private CheckColumnedFilePropertyLogic _logic;
+
+        [SetUp]
+        public void SetUp()
+        {
+            _mockTraceLogger = new Mock<IShiftTraceLogger>();
+            _mockFileProperty = new Mock<IColumnedFileProperty>();
+
+            _logic = new CheckColumnedFilePropertyLogic
+            {
+                TraceLogger = _mockTraceLogger.Object,
+                Entity = _mockFileProperty.Object
+            };
+        }
+
+        [Test]
+        public void Check_ShouldReturnTrue_WhenFileExistsAndSkipRowsAreValid()
+        {
+            // Arrange
+            _mockFileProperty.Setup(x => x.SkipRowBeforeHeaderCount).Returns(1);
+            _mockFileProperty.Setup(x => x.SkipRowHeaderCount).Returns(1);
+            _mockFileProperty.Setup(x => x.FilePath).Returns("tmp_valid_file.xlsx");
+            File.Create("tmp_valid_file.xlsx").Dispose(); // Create a temporary file
+
+            // Act
+            var result = _logic.Check();
+
+            // Assert
+            Assert.That(result, Is.True);
+
+            // Cleanup
+            File.Delete("tmp_valid_file.xlsx");
+        }
+
+        [Test]
+        public void Check_ShouldReturnFalse_WhenSkipRowsAreNegative()
+        {
+            // Arrange
+            _mockFileProperty.Setup(x => x.SkipRowBeforeHeaderCount).Returns(-1);
+            _mockFileProperty.Setup(x => x.SkipRowHeaderCount).Returns(-1);
+
+            // Act
+            var result = _logic.Check();
+
+            // Assert
+            Assert.That(result, Is.False);
+            Assert.That(_logic.CheckResult, Does.Contain("skip row count must be greater or equal to 0"));
+            _mockTraceLogger.Verify(x => x.AddMessage(It.IsAny<string>(), TraceLogStatuses.Error), Times.Once);
+        }
+
+        [Test]
+        public void Check_ShouldReturnFalse_WhenFileDoesNotExist()
+        {
+            // Arrange
+            _mockFileProperty.Setup(x => x.SkipRowBeforeHeaderCount).Returns(1);
+            _mockFileProperty.Setup(x => x.SkipRowHeaderCount).Returns(1);
+            _mockFileProperty.Setup(x => x.FilePath).Returns("non_existent_file.xlsx");
+
+            // Act
+            var result = _logic.Check();
+
+            // Assert
+            Assert.That(result, Is.False);
+            Assert.That(_logic.CheckResult, Does.Contain("File non_existent_file.xlsx does not exist"));
+            _mockTraceLogger.Verify(x => x.AddMessage(It.IsAny<string>(), TraceLogStatuses.Error), Times.Once);
+        }
+    }
+
+}