Examples of org.stringtemplate.v4.ST

org.stringtemplate.v4.ST
An instance of the StringTemplate. It consists primarily of a reference to its implementation (shared among all instances) and a hash table of attributes. Because of dynamic scoping, we also need a reference to any enclosing instance. For example, in a deeply nested template for an HTML page body, we could still reference the title attribute defined in the outermost page template. To use templates, you create one (usually via STGroup) and then inject attributes using add(). To render its attacks, use render().

    }


  @Test public void testSeparatorWithTwoNullValuesInRow() throws Exception {
    STGroup group = new STGroup();
    group.defineTemplate("test", "name", "hi <name; separator=\", \">!");
    ST st = group.getInstanceOf("test");
    st.add("name", "Ter");
    st.add("name", "Tom");
    st.add("name", null);
    st.add("name", null);
    st.add("name", "Sri");
    String expected = "hi Ter, Tom, Sri!";
    String result = st.render();
    assertEquals(expected, result);
  }

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  }


  @Test public void testTwoNullValues() throws Exception {
    STGroup group = new STGroup();
    group.defineTemplate("test", "name", "hi <name; null=\"x\">!");
    ST st = group.getInstanceOf("test");
    st.add("name", null);
    st.add("name", null);
    String expected = "hi xx!";
    String result = st.render();
    assertEquals(expected, result);
  }

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  }


  @Test public void testNullListItemNotCountedForIteratorIndex() throws Exception {
    STGroup group = new STGroup();
    group.defineTemplate("test", "name", "<name:{n | <i>:<n>}>");
    ST st = group.getInstanceOf("test");
    st.add("name", "Ter");
    st.add("name", null);
    st.add("name", null);
    st.add("name", "Jesse");
    String expected = "1:Ter2:Jesse";
    String result = st.render();
    assertEquals(expected, result);
  }

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        STGroup group = new STGroup();
        group.defineTemplate("test", "users",
            "begin\n" +
            "<users>\n" +
            "end\n");
        ST t = group.getInstanceOf("test");
        t.add("users", null);
        String expecting="begin"+newline+"end";
        String result = t.render();
        assertEquals(expecting, result);
    }

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        STGroup group = new STGroup();
        group.defineTemplate("test", "users",
            "begin\n" +
            "<users:{u | name: <u>}; separator=\", \">\n" +
            "end\n");
        ST t = group.getInstanceOf("test");
        String expecting="begin"+newline+"end";
        String result = t.render();
        assertEquals(expecting, result);
    }

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        STGroup group = new STGroup();
        group.defineTemplate("test", "users",
            "begin\n" +
            "<users:{u | name: <u>}; separator=\", \">\n" +
            "end\n");
        ST t = group.getInstanceOf("test");
        t.add("users", new ArrayList<Object>());
        String expecting="begin"+newline+"end";
        String result = t.render();
        assertEquals(expecting, result);
    }

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    }


    @Test public void testMissingDictionaryValue() throws Exception {
        STGroup group = new STGroup();
        group.defineTemplate("test", "m", "<m.foo>");
        ST t = group.getInstanceOf("test");
        t.add("m", new HashMap<Object, Object>());
        String expecting="";
        String result = t.render();
        assertEquals(expecting, result);
    }

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    }


    @Test public void testMissingDictionaryValue2() throws Exception {
        STGroup group = new STGroup();
        group.defineTemplate("test", "m", "<if(m.foo)>[<m.foo>]<endif>");
        ST t = group.getInstanceOf("test");
        t.add("m", new HashMap<Object, Object>());
        String expecting="";
        String result = t.render();
        assertEquals(expecting, result);
    }

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    }


    @Test public void testMissingDictionaryValue3() throws Exception {
        STGroup group = new STGroup();
        group.defineTemplate("test", "m", "<if(m.foo)>[<m.foo>]<endif>");
        ST t = group.getInstanceOf("test");
        t.add("m", new HashMap<String, Object>() {{put("foo",null);}});
        String expecting="";
        String result = t.render();
        assertEquals(expecting, result);
    }

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    }


  @Test public void TestSeparatorEmittedForEmptyIteratorValue()
    throws IOException
  {
    ST st = new ST(
      "<values:{v|<if(v)>x<endif>}; separator=\" \">"
    );
    st.add("values", new boolean[] {true, false, true});
    StringWriter sw = new StringWriter();
    st.write(new AutoIndentWriter(sw));
    String result = sw.toString();
    String expecting = "x  x";
    assertEquals(expecting, result);
  }

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