73 lines
2.9 KiB
C#
73 lines
2.9 KiB
C#
using Strata.SqlTools.SqlBreakdown.Classes;
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using Strata.SqlTools.SqlBreakdown.Expressions;
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using Strata.SqlTools.SqlBreakdown.Expressions.Conditional;
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using Strata.SqlTools.SqlServer.ExpressionFactory.Query;
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using Strata.SqlTools.SqlBreakdown.Tests.RegisteredTables;
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using Strata.SqlTools.Visitors.Snowflake;
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using ExpressionFactoryBase = Strata.SqlTools.SqlServer.ExpressionFactory.ExpressionFactory;
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namespace Strata.SqlTools.SqlBreakdown.Tests.ExpressionTests;
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/// <summary>
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/// Test implementation of ExpressionFactory for unit testing.
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/// Uses July 1 as the fiscal year start date.
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/// </summary>
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internal class TestExpressionFactory : ExpressionFactoryBase
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{
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protected override DateTime GetCurrentFiscalYearStart()
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{
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return new DateTime(DateTime.UtcNow.Year, 7, 1, 0, 0, 0, DateTimeKind.Utc);
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}
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protected override RegisteredTableColumnExpression GetColumnExpression(int dataColumnId)
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{
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return RegisteredTableColumns.GetColumn(dataColumnId);
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}
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// Public wrappers for testing protected methods
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public new BooleanExpression CreateBooleanExpression(Filter filter) => base.CreateBooleanExpression(filter);
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public static new Expression GetFiscalYearMonthExpression(Expression dateColumnExpr, int fiscalYearStartMonth, int fiscalYearStartDay)
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=> ExpressionFactoryBase.GetFiscalYearMonthExpression(dateColumnExpr, fiscalYearStartMonth, fiscalYearStartDay);
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}
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/// <summary>
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/// Base class for expression tests with common setup.
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/// </summary>
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public abstract class ExpressionTestsBase
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{
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protected RegisteredTableSource _table = null!;
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protected RegisteredTableColumnExpression _nameColumnExp = null!;
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protected RegisteredTableColumnExpression _revenueColumnExp = null!;
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protected RegisteredTableColumnExpression _costColumnExp = null!;
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protected RegisteredTableColumnExpression _dischargeDateColumnExp = null!;
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protected CommandVisitor _sqlVisitor = null!;
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[SetUp]
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public void SetUp()
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{
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_table = new RegisteredTableSource(101, "CLIENT_DSS", "FACT_PATIENT_ENCOUNTER_SUMMARY", "PES");
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_nameColumnExp = new RegisteredTableColumnExpression(1, "DEPARTMENT_NAME", _table);
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_revenueColumnExp = new RegisteredTableColumnExpression(2, "NET_REVENUE", _table);
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_costColumnExp = new RegisteredTableColumnExpression(3, "COST", _table);
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_dischargeDateColumnExp = new RegisteredTableColumnExpression(4, "DISCHARGE_DATE", _table);
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_sqlVisitor = new CommandVisitor();
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}
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/// <summary>
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/// Executes an expression test case with arrange, act, and assert phases.
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/// </summary>
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/// <param name="testCase">The test case to execute.</param>
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protected void ExecuteExpressionTest(ExpressionTestCase testCase)
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{
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// Arrange
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var visitor = new CommandVisitor();
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var arrange = testCase.Arrange;
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// Act
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var result = testCase.Act(arrange, visitor);
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// Assert
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Assert.That(testCase.Assertions(result));
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}
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}
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