public void Place2()
{
SqlExpr e;
//
// Expr演算子の結合の優先順位が適用前後で変わらないことを確認する
//
e = new SqlExpr("@PH");
e.Place("PH", "~a");
Assert.That(e.ToString(), Is.EqualTo("~a"));
e = new SqlExpr("@PH");
e.Place("PH", "a+b");
Assert.That(e.ToString(), Is.EqualTo("a+b"));
e = new SqlExpr("~@PH");
e.Place("PH", "~a");
Assert.That(e.ToString(), Is.EqualTo("~~a"));
e = new SqlExpr("~@PH");
e.Place("PH", "a+b");
Assert.That(e.ToString(), Is.EqualTo("~(a+b)"));
e = new SqlExpr("@PH || 'abc'");
e.Place("PH", "~a");
Assert.That(e.ToString(), Is.EqualTo("~a||'abc'"));
e = new SqlExpr("@PH || 'abc'");
e.Place("PH", "a+b");
Assert.That(e.ToString(), Is.EqualTo("(a+b)||'abc'"));
}
public void HasUnplacedHolders()
{
SqlExpr e;
e = new SqlExpr("@PH");
Assert.That(e.HasUnplacedHolders(), Is.True);
e.Place("PH", "'abc'");
Assert.That(e.HasUnplacedHolders(), Is.False);
e = new SqlExpr("@PH1 + @PH2");
e.Place("PH1", "+100");
Assert.That(e.HasUnplacedHolders(), Is.True);
e.Place("PH2", "-9");
Assert.That(e.HasUnplacedHolders(), Is.False);
e = new SqlExpr("@PH || @PH");
e.Place("PH", "'abc'");
Assert.That(e.HasUnplacedHolders(), Is.False);
e.Place("PH", "'abc'");
Assert.That(e.HasUnplacedHolders(), Is.False);
}
public void GetAllPlaceHolders()
{
SqlExpr e;
e = new SqlExpr("@PH");
Assert.That(e.GetAllPlaceHolders()
, Is.EqualTo(new Dictionary <string, string> {
{ "PH", "" }
}));
e.Place("PH", "'abc'");
Assert.That(e.GetAllPlaceHolders()
, Is.EqualTo(new Dictionary <string, string> {
{ "PH", "'abc'" }
}));
e = new SqlExpr("@PH1 + @PH2");
e.Place("PH1", "+100");
Assert.That(e.GetAllPlaceHolders(), Is.EqualTo(new Dictionary <string, string>
{
{ "PH1", "+100" }, { "PH2", "" }
}));
e.Place("PH2", "-9");
Assert.That(e.GetAllPlaceHolders(), Is.EqualTo(new Dictionary <string, string>
{
{ "PH1", "+100" }, { "PH2", "-9" }
}));
e = new SqlExpr("@PH || @PH");
e.Place("PH", "'abc'");
Assert.That(e.GetAllPlaceHolders(), Is.EqualTo(new Dictionary <string, string>
{
{ "PH", "'abc'" }
}));
e.Place("PH", "'abc'");
Assert.That(e.GetAllPlaceHolders(), Is.EqualTo(new Dictionary <string, string>
{
{ "PH", "'abc'" }
}));
}
public void Empty()
{
SqlExpr e = new SqlExpr();
Assert.That(e.Clone().ToString(), Is.EqualTo(""));
Assert.That(e.GetAllPlaceHolders(), Is.EqualTo(new string[] { }));
Assert.That(e.HasUnplacedHolder("T"), Is.False);
Assert.That(e.HasUnplacedHolders(), Is.False);
Assert.That(e.IsEmpty, Is.True);
Assert.That(e.IsPlaceHolderOnly, Is.False);
e.Place("PH", "a");
Assert.That(e.ToString(), Is.EqualTo(""));
}
public void Place()
{
SqlExpr e;
e = new SqlExpr("DEFAULT");
e.Place("PH", "a");
Assert.That(e.ToString(), Is.EqualTo("DEFAULT"));
e = new SqlExpr("@PH");
Assert.Throws <CannotBuildASTException>(() => { e.Place("PH", "a=1"); });
e = new SqlExpr("@PH");
e.Place("PH", "a");
Assert.That(e.ToString(), Is.EqualTo("a"));
e = new SqlExpr("cast(@PH as VARCHAR2)");
e.Place("PH", "x");
Assert.That(e.ToString(), Is.EqualTo("CAST(x AS VARCHAR2)"));
}