Initial commit: JDE Scoping Tool migration project

Set up repository with legacy .NET Framework 4.8 source (OLD/), new .NET 10 Blazor solution (NEW/), OpenSpec specifications, documentation, and project configuration.
2026-01-02 07:43:29 -05:00
commit 26ff8d9b4f
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+using JdeScoping.DataSync.Services;
+
+namespace JdeScoping.DataSync.Tests.Services;
+
+public class MergeSqlBuilderTests
+{
+    #region BuildCreateTempTable Tests
+
+    [Fact]
+    public void BuildCreateTempTable_ValidInputs_ReturnsSelectInto()
+    {
+        // Act
+        var sql = MergeSqlBuilder.BuildCreateTempTable("#TEMP_WorkOrder", "WorkOrder");
+
+        // Assert
+        Assert.Equal("SELECT TOP 0 * INTO [#TEMP_WorkOrder] FROM [WorkOrder]", sql);
+    }
+
+    [Theory]
+    [InlineData(null, "WorkOrder")]
+    [InlineData("", "WorkOrder")]
+    [InlineData("#TEMP", null)]
+    [InlineData("#TEMP", "")]
+    public void BuildCreateTempTable_InvalidInputs_ThrowsArgumentException(string? tempTable, string? sourceTable)
+    {
+        // Act & Assert
+        Assert.ThrowsAny<ArgumentException>(() =>
+            MergeSqlBuilder.BuildCreateTempTable(tempTable!, sourceTable!));
+    }
+
+    #endregion
+
+    #region BuildMergeSimple Tests
+
+    [Fact]
+    public void BuildMergeSimple_SingleMatchColumn_BuildsCorrectMerge()
+    {
+        // Arrange
+        var matchColumns = new[] { "Id" };
+        var updateColumns = new[] { "Name", "Amount" };
+        var insertColumns = new[] { "Id", "Name", "Amount" };
+
+        // Act
+        var sql = MergeSqlBuilder.BuildMergeSimple(
+            "TestTable", "#TEMP_TestTable",
+            matchColumns, updateColumns, null, insertColumns);
+
+        // Assert
+        Assert.Contains("MERGE INTO [TestTable] AS target", sql);
+        Assert.Contains("USING [#TEMP_TestTable] AS source", sql);
+        Assert.Contains("ON target.[Id] = source.[Id]", sql);
+        Assert.Contains("WHEN MATCHED THEN", sql);
+        Assert.Contains("UPDATE SET target.[Name] = source.[Name], target.[Amount] = source.[Amount]", sql);
+        Assert.Contains("WHEN NOT MATCHED THEN", sql);
+        Assert.Contains("INSERT ([Id], [Name], [Amount])", sql);
+        Assert.Contains("VALUES (source.[Id], source.[Name], source.[Amount])", sql);
+    }
+
+    [Fact]
+    public void BuildMergeSimple_CompositeKey_BuildsCorrectOnClause()
+    {
+        // Arrange
+        var matchColumns = new[] { "WorkOrderNumber", "BranchCode" };
+        var updateColumns = new[] { "Status" };
+        var insertColumns = new[] { "WorkOrderNumber", "BranchCode", "Status" };
+
+        // Act
+        var sql = MergeSqlBuilder.BuildMergeSimple(
+            "WorkOrder", "#TEMP",
+            matchColumns, updateColumns, null, insertColumns);
+
+        // Assert
+        Assert.Contains("ON target.[WorkOrderNumber] = source.[WorkOrderNumber] AND target.[BranchCode] = source.[BranchCode]", sql);
+    }
+
+    [Fact]
+    public void BuildMergeSimple_WithUpdateWhen_IncludesCondition()
+    {
+        // Arrange
+        var matchColumns = new[] { "Id" };
+        var updateColumns = new[] { "Name" };
+        var insertColumns = new[] { "Id", "Name" };
+        var updateWhen = "source.[LastUpdateDt] > target.[LastUpdateDt]";
+
+        // Act
+        var sql = MergeSqlBuilder.BuildMergeSimple(
+            "TestTable", "#TEMP",
+            matchColumns, updateColumns, updateWhen, insertColumns);
+
+        // Assert
+        Assert.Contains("WHEN MATCHED AND source.[LastUpdateDt] > target.[LastUpdateDt] THEN", sql);
+    }
+
+    [Fact]
+    public void BuildMergeSimple_NoUpdateColumns_OmitsUpdateClause()
+    {
+        // Arrange
+        var matchColumns = new[] { "Id" };
+        var updateColumns = Array.Empty<string>();
+        var insertColumns = new[] { "Id", "Name" };
+
+        // Act
+        var sql = MergeSqlBuilder.BuildMergeSimple(
+            "TestTable", "#TEMP",
+            matchColumns, updateColumns, null, insertColumns);
+
+        // Assert
+        Assert.DoesNotContain("WHEN MATCHED", sql);
+        Assert.Contains("WHEN NOT MATCHED THEN", sql);
+    }
+
+    [Fact]
+    public void BuildMergeSimple_EmptyMatchColumns_ThrowsArgumentException()
+    {
+        // Arrange
+        var matchColumns = Array.Empty<string>();
+        var updateColumns = new[] { "Name" };
+        var insertColumns = new[] { "Id", "Name" };
+
+        // Act & Assert
+        Assert.Throws<ArgumentException>(() =>
+            MergeSqlBuilder.BuildMergeSimple(
+                "TestTable", "#TEMP",
+                matchColumns, updateColumns, null, insertColumns));
+    }
+
+    [Fact]
+    public void BuildMergeSimple_EmptyInsertColumns_ThrowsArgumentException()
+    {
+        // Arrange
+        var matchColumns = new[] { "Id" };
+        var updateColumns = new[] { "Name" };
+        var insertColumns = Array.Empty<string>();
+
+        // Act & Assert
+        Assert.Throws<ArgumentException>(() =>
+            MergeSqlBuilder.BuildMergeSimple(
+                "TestTable", "#TEMP",
+                matchColumns, updateColumns, null, insertColumns));
+    }
+
+    #endregion
+
+    #region BuildTruncateTempTable Tests
+
+    [Fact]
+    public void BuildTruncateTempTable_ValidInput_ReturnsTruncate()
+    {
+        // Act
+        var sql = MergeSqlBuilder.BuildTruncateTempTable("#TEMP_WorkOrder");
+
+        // Assert
+        Assert.Equal("TRUNCATE TABLE [#TEMP_WorkOrder]", sql);
+    }
+
+    #endregion
+
+    #region BuildDropTempTable Tests
+
+    [Fact]
+    public void BuildDropTempTable_ValidInput_ReturnsDropWithCheck()
+    {
+        // Act
+        var sql = MergeSqlBuilder.BuildDropTempTable("#TEMP_WorkOrder");
+
+        // Assert
+        Assert.Contains("IF OBJECT_ID('tempdb..#TEMP_WorkOrder') IS NOT NULL", sql);
+        Assert.Contains("DROP TABLE [#TEMP_WorkOrder]", sql);
+    }
+
+    #endregion
+}