chore: initial git load of code space

tests/Strata.SqlTools.Tests/ExpressionTests/ExpressionTestCase.cs

@@ -0,0 +1,30 @@
+using Strata.SqlTools.SqlBreakdown.Expressions;
+using Strata.SqlTools.Visitors.Snowflake;
+
+namespace Strata.SqlTools.SqlBreakdown.Tests.ExpressionTests;
+
+/// <summary>
+/// Represents a test case for expression tests with arrange, act, and assert phases.
+/// </summary>
+public class ExpressionTestCase
+{
+    /// <summary>
+    /// Gets or initializes the name of the test case.
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// Gets or initializes the dictionary of expressions to arrange for the test.
+    /// </summary>
+    public Dictionary<string, Expression> Arrange { get; init; } = new();
+
+    /// <summary>
+    /// Gets or initializes the action to execute during the act phase of the test.
+    /// </summary>
+    public Func<Dictionary<string, Expression>, CommandVisitor, object> Act { get; init; } = null!;
+
+    /// <summary>
+    /// Gets or initializes the function to execute during the assert phase of the test that returns true if all assertions pass.
+    /// </summary>
+    public Func<object, bool> Assertions { get; init; } = null!;
+}