public virtual void testMultiLevelInheritance()
{
// must loop up two levels to find bold()
StringTemplateGroup rootgroup = new StringTemplateGroup("root");
StringTemplateGroup level1 = new StringTemplateGroup("level1");
StringTemplateGroup level2 = new StringTemplateGroup("level2");
rootgroup.defineTemplate("bold", "<b>$it$</b>");
level1.setSuperGroup(rootgroup);
level2.setSuperGroup(level1);
StringTemplateErrorListener errors = new ErrorBuffer();
rootgroup.setErrorListener(errors);
level1.setErrorListener(errors);
level2.setErrorListener(errors);
StringTemplate duh = new StringTemplate(level2, "$name:bold()$");
duh.setAttribute("name", "Terence");
String expecting = "<b>Terence</b>";
Assert.AreEqual(duh.ToString(), expecting);
}
public virtual void testLazyEvalOfSuperInApplySuperTemplateRef()
{
StringTemplateGroup group = new StringTemplateGroup("super");
StringTemplateGroup subGroup = new StringTemplateGroup("sub");
subGroup.setSuperGroup(group);
group.defineTemplate("bold", "<b>$it$</b>");
subGroup.defineTemplate("bold", "<strong>$it$</strong>");
// this is the same as testApplySuperTemplateRef() test
// 'cept notice that here the supergroup defines page
// As long as you create the instance via the subgroup,
// "super." will evaluate lazily (i.e., not statically
// during template compilation) to the templates
// getGroup().superGroup value. If I create instance
// of page in group not subGroup, however, I will get
// an error as superGroup is null for group "group".
group.defineTemplate("page", "$name:super.bold()$");
StringTemplate st = subGroup.getInstanceOf("page");
st.setAttribute("name", "Ter");
String expecting = "<b>Ter</b>";
Assert.AreEqual(st.ToString(), expecting);
}
public virtual void testApplySuperTemplateRef()
{
StringTemplateGroup group = new StringTemplateGroup("super");
StringTemplateGroup subGroup = new StringTemplateGroup("sub");
subGroup.setSuperGroup(group);
group.defineTemplate("bold", "<b>$it$</b>");
subGroup.defineTemplate("bold", "<strong>$it$</strong>");
subGroup.defineTemplate("page", "$name:super.bold()$");
StringTemplate st = subGroup.getInstanceOf("page");
st.setAttribute("name", "Ter");
String expecting = "<b>Ter</b>";
Assert.AreEqual(st.ToString(), expecting);
}
public virtual void testTemplatePolymorphism()
{
StringTemplateGroup group = new StringTemplateGroup("super");
StringTemplateGroup subGroup = new StringTemplateGroup("sub");
subGroup.setSuperGroup(group);
// bold is defined in both super and sub
// if you create an instance of page via the subgroup,
// then bold() should evaluate to the subgroup not the super
// even though page is defined in the super. Just like polymorphism.
group.defineTemplate("bold", "<b>$it$</b>");
group.defineTemplate("page", "$name:bold()$");
subGroup.defineTemplate("bold", "<strong>$it$</strong>");
StringTemplate st = subGroup.getInstanceOf("page");
st.setAttribute("name", "Ter");
String expecting = "<strong>Ter</strong>";
Assert.AreEqual(st.ToString(), expecting);
}
public virtual void testSuperTemplateRef()
{
// you can refer to a template defined in a super group via super.t()
StringTemplateGroup group = new StringTemplateGroup("super");
StringTemplateGroup subGroup = new StringTemplateGroup("sub");
subGroup.setSuperGroup(group);
group.defineTemplate("page", "$font()$:text");
group.defineTemplate("font", "Helvetica");
subGroup.defineTemplate("font", "$super.font()$ and Times");
StringTemplate st = subGroup.getInstanceOf("page");
String expecting = "Helvetica and Times:text";
Assert.AreEqual(st.ToString(), expecting);
}
public virtual void testSimpleInheritance()
{
// make a bold template in the super group that you can inherit from sub
StringTemplateGroup supergroup = new StringTemplateGroup("super");
StringTemplateGroup subgroup = new StringTemplateGroup("sub");
StringTemplate bold = supergroup.defineTemplate("bold", "<b>$it$</b>");
subgroup.setSuperGroup(supergroup);
StringTemplateErrorListener errors = new ErrorBuffer();
subgroup.setErrorListener(errors);
supergroup.setErrorListener(errors);
StringTemplate duh = new StringTemplate(subgroup, "$name:bold()$");
duh.setAttribute("name", "Terence");
String expecting = "<b>Terence</b>";
Assert.AreEqual(duh.ToString(), expecting);
}