Examples of org.stringtemplate.v4.STGroup

org.stringtemplate.v4.STGroup
A directory or directory tree of .st template files and/or group files. Individual template files contain formal template definitions. In a sense, it's like a single group file broken into multiple files, one for each template. ST v3 had just the pure template inside, not the template name and header. Name inside must match filename (minus suffix).

        String result = st.render();
        assertEquals(expected, result);
    }


  @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");

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    String result = st.render();
    assertEquals(expected, result);
  }


  @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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    String result = st.render();
    assertEquals(expected, result);
  }


  @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";

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    String result = st.render();
    assertEquals(expected, result);
  }


    @Test public void testSizeZeroButNonNullListGetsNoOutput() throws Exception {
        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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        String result = t.render();
        assertEquals(expecting, result);
    }


    @Test public void testNullListGetsNoOutput() throws Exception {
        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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        String result = t.render();
        assertEquals(expecting, result);
    }


    @Test public void testEmptyListGetsNoOutput() throws Exception {
        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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        String result = t.render();
        assertEquals(expecting, result);
    }


    @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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        String result = t.render();
        assertEquals(expecting, result);
    }


    @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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        String result = t.render();
        assertEquals(expecting, result);
    }


    @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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        String templates =
            "a(names) ::= \"<b(rest(names))>\""+newline+
            "b(x) ::= \"<x>, <x>\""+newline
            ;
        writeFile(tmpdir, "t.stg", templates);
        STGroup group = new org.stringtemplate.v4.STGroupFile(tmpdir+"/"+"t.stg");
        org.stringtemplate.v4.ST e = group.getInstanceOf("a");
        List<String> names = new ArrayList<String>();
        names.add("Ter");
        names.add("Tom");
        e.add("names", names);
        String expecting = "Tom, Tom";

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