Began implementing TSqlGenerator

Author: shrichards

SqlCommandVisualizer/TSqlGenerator.cs

@@ -27,11 +27,40 @@ namespace shr.Visualizers.SqlCommandVisualizer
 
   public class TSqlGenerator
   {
-    SqlCommand m_Command = null;
+    protected SqlCommand m_Command = null;
+    protected List<String> _Declarations = new List<string>();
+    protected List<String> _Assignments = new List<string>();
+    protected String _Translation;
 
     public TSqlGenerator(SqlCommand Cmd)
     {
       m_Command = Cmd;
+
+      List<TSqlParameter> TSqlParams = new List<TSqlParameter>();
+      foreach (SqlParameter param in Cmd.Parameters)
+      {
+        TSqlParameter TSql = new TSqlParameter(param);
+        _Declarations.Add(String.Format("{0}", TSql.Declaration));
+
+        if(!String.IsNullOrEmpty(TSql.Assignment))
+          _Assignments.Add(String.Format("{0}", TSql.Assignment));
+      }
+
+    }
+
+    public List<String> Declarations
+    {
+      get { return _Declarations; }
+    }
+
+    public List<String> Assignments
+    {
+      get { return _Assignments; }
+    }
+
+    public String TextTranslation
+    {
+      get { return _Translation; }
     }
   }
 }

SqlCommandVisualizer/TSqlParameter.cs

@@ -58,7 +58,7 @@ public TSqlParameter(SqlParameter param1)
 
       if (_Parameter == null)
         _Assignment = "";
-      else if (Assignors.ContainsKey(_Parameter.SqlDbType))
+      else if (Assignors.ContainsKey(_Parameter.SqlDbType) && _Parameter.Value != null)
         _Assignment = Assignors[_Parameter.SqlDbType](_Parameter);
       else
         _Assignment = "";

VisualizerTests/TSqlGeneratorTests.cs

@@ -0,0 +1,107 @@
+/******************************************************************************
+  Copyright (c) 2011 Seth H. Richards
+  
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+******************************************************************************/
+
+using System;
+using System.Text;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System.Data.SqlClient;
+using shr.Visualizers.SqlCommandVisualizer;
+using System.Data;
+
+namespace VisualizerTests
+{
+  /// <summary>
+  /// Summary description for TSqlGeneratorTests
+  /// </summary>
+  [TestClass]
+  public class TSqlGeneratorTests
+  {
+    public TSqlGeneratorTests()
+    {
+      //
+      // TODO: Add constructor logic here
+      //
+    }
+
+    private TestContext testContextInstance;
+
+    /// <summary>
+    ///Gets or sets the test context which provides
+    ///information about and functionality for the current test run.
+    ///</summary>
+    public TestContext TestContext
+    {
+      get
+      {
+        return testContextInstance;
+      }
+      set
+      {
+        testContextInstance = value;
+      }
+    }
+
+    #region Additional test attributes
+    //
+    // You can use the following additional attributes as you write your tests:
+    //
+    // Use ClassInitialize to run code before running the first test in the class
+    // [ClassInitialize()]
+    // public static void MyClassInitialize(TestContext testContext) { }
+    //
+    // Use ClassCleanup to run code after all tests in a class have run
+    // [ClassCleanup()]
+    // public static void MyClassCleanup() { }
+    //
+    // Use TestInitialize to run code before running each test 
+    // [TestInitialize()]
+    // public void MyTestInitialize() { }
+    //
+    // Use TestCleanup to run code after each test has run
+    // [TestCleanup()]
+    // public void MyTestCleanup() { }
+    //
+    #endregion
+
+    [TestMethod]
+    public void Can_Generate_SQL_For_Single_Parameter()
+    {
+      SqlCommand Cmd = new SqlCommand();
+      Cmd.Parameters.AddWithValue("@IntParam", 33);
+      TSqlGenerator Generator = new TSqlGenerator(Cmd);
+
+      Assert.AreEqual(1, Generator.Declarations.Count);
+      Assert.AreEqual(1, Generator.Assignments.Count);
+    }
+
+    [TestMethod]
+    public void Param_Without_Value_Should_Only_Generate_Declaration()
+    {
+      SqlCommand Cmd = new SqlCommand();
+      Cmd.Parameters.Add("@Param", SqlDbType.Int);
+      
+      TSqlGenerator Generator = new TSqlGenerator(Cmd);
+      Assert.AreEqual(1, Generator.Declarations.Count);
+      Assert.AreEqual(0, Generator.Assignments.Count);
+    }
+  }
+}

VisualizerTests/TSqlParameterTests.cs

@@ -119,6 +119,14 @@ public void Can_Generate_Int_Assignment()
       Assert.AreEqual("SET @Param1 = 42;", TSqlParam1.Assignment);
     }
 
+    [TestMethod]
+    public void Should_Not_Generate_Assignment_For_Int_Without_Value()
+    {
+      SqlParameter Param1 = new SqlParameter("@Param1", System.Data.SqlDbType.Int);
+      TSqlParameter TSqlParam1 = new TSqlParameter(Param1);
+      Assert.AreEqual("", TSqlParam1.Assignment);
+    }
+
     [TestMethod]
     public void Can_Generate_VarChar_Assignment()
     {

VisualizerTests/VisualizerTests.csproj

@@ -47,6 +47,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="TSqlGeneratorTests.cs" />
     <Compile Include="TSqlParameterTests.cs" />
   </ItemGroup>
   <ItemGroup>