testcdata.java

一个java操作xml的完整示例

            cdata.append(text);
            assertEquals("incorrect CDATA text", otherString + text, cdata.getText());
            cdata.append(nullString);
            assertEquals("incorrect CDATA text", otherString + text, cdata.getText());
            cdata.append(specialCharactersText);
            assertEquals("incorrect CDATA text", otherString + text + specialCharactersText, cdata.getText());
            cdata.append(nullString);
            assertEquals("incorrect CDATA text", otherString + text + specialCharactersText, cdata.getText());
            cdata.append(emptyString);
            assertEquals("incorrect CDATA text", otherString + text + specialCharactersText, cdata.getText());
            try {
                cdata.append(cdataEndText);
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }
        
        {
            // set it to the null (after it was set to another string so that we 
            // are sure comething has changed)
            final CDATA cdata = new CDATA(nullString);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            cdata.append(specialCharactersText);
            assertEquals("incorrect CDATA text", specialCharactersText, cdata.getText());
            cdata.append(nullString);
            assertEquals("incorrect CDATA text", specialCharactersText, cdata.getText());
            cdata.append(text);
            assertEquals("incorrect CDATA text", specialCharactersText + text, cdata.getText());
            cdata.append(nullString);
            assertEquals("incorrect CDATA text", specialCharactersText + text, cdata.getText());
            cdata.append(emptyString);
            assertEquals("incorrect CDATA text", specialCharactersText + text, cdata.getText());
            cdata.append(otherString);
            assertEquals("incorrect CDATA text", specialCharactersText + text + otherString, cdata.getText());
            try {
                cdata.append(cdataEndText);
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }

        {
            // set it to the null (after it was set to another string so that we 
            // are sure comething has changed)
            final CDATA cdata = new CDATA(null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            cdata.append((String) null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            try {
                cdata.append(cdataEndText);
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }

        {
            // set it to the null (after it was set to another string so that we 
            // are sure comething has changed)
            final CDATA cdata = new CDATA(null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            cdata.append((Text) null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            try {
                cdata.append(cdataEndText);
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }

        {
            // set text with some special characters
            final CDATA cdata = new CDATA(specialCharactersText);
            assertEquals("incorrect CDATA text", specialCharactersText, cdata.getText());
            cdata.append(specialCharactersText);
            assertEquals("incorrect CDATA text", specialCharactersText + specialCharactersText, cdata.getText());
            try {
                cdata.append(cdataEndText);
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }
        
        
        try {
            // set text with some special characters which sould result into an exception
            final CDATA cdata = new CDATA(specialText);
            assertEquals("incorrect CDATA text", specialText, cdata.getText());
            cdata.append(specialText);
            
            fail("failed to detect CDATA end marker");
        } catch (final IllegalDataException exception) {
        }
    }

    /**
     * Test appending text values to this CDATA.
     */
    public void test_TCM___append_Text() {
        final String emptyString = "";
        final String nullString = null;
        final String text = "this is a CDATA section";        
        final String otherString = "12345qwerty"; 
        final String specialCharactersText = "this is CDATA section with special characters as < > & &amp; &lt; &gt; [[ ]] > <![![";
        final String specialText = "> this is a CDATA section with special characters as ]]";
        final String cdataEndText = "this is aCDATA section with a CDATA end marke ]]> somewhere inside";

        {
            // simple text in CDATA section
            final CDATA cdata = new CDATA(text);
            assertEquals("incorrect CDATA text", text, cdata.getText());
            cdata.append(new Text(text));
            assertEquals("incorrect CDATA text", text+text, cdata.getText());
            try {
                cdata.append(new Text(cdataEndText));
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }

        {
            // set it to the empty string
            final CDATA cdata = new CDATA(emptyString);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            cdata.append(new Text(emptyString));
            assertEquals("incorrect CDATA text", "", cdata.getText());
            cdata.append(new Text(text));
            assertEquals("incorrect CDATA text", text, cdata.getText());
            cdata.append(new Text(nullString));
            assertEquals("incorrect CDATA text", text, cdata.getText());
            cdata.append(new Text(specialCharactersText));
            assertEquals("incorrect CDATA text", text + specialCharactersText, cdata.getText());
            cdata.append(new Text(nullString));
            assertEquals("incorrect CDATA text", text + specialCharactersText, cdata.getText());
            cdata.append(new Text(emptyString));
            assertEquals("incorrect CDATA text", text + specialCharactersText, cdata.getText());
            cdata.append(new Text(otherString));
            assertEquals("incorrect CDATA text", text + specialCharactersText + otherString, cdata.getText());
            try {
                cdata.append(new Text(cdataEndText));
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }

        {
            // set it to a another string
            final CDATA cdata = new CDATA(otherString);
            assertEquals("incorrect CDATA text", otherString, cdata.getText());
            cdata.append(new Text(text));
            assertEquals("incorrect CDATA text", otherString + text, cdata.getText());
            cdata.append(new Text(nullString));
            assertEquals("incorrect CDATA text", otherString + text, cdata.getText());
            cdata.append(new Text(specialCharactersText));
            assertEquals("incorrect CDATA text", otherString + text + specialCharactersText, cdata.getText());
            cdata.append(new Text(nullString));
            assertEquals("incorrect CDATA text", otherString + text + specialCharactersText, cdata.getText());
            cdata.append(new Text(emptyString));
            assertEquals("incorrect CDATA text", otherString + text + specialCharactersText, cdata.getText());
            try {
                cdata.append(new Text(cdataEndText));
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }
        
        {
            // set it to the null (after it was set to another string so that we 
            // are sure comething has changed)
            final CDATA cdata = new CDATA(nullString);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            cdata.append(new Text(specialCharactersText));
            assertEquals("incorrect CDATA text", specialCharactersText, cdata.getText());
            cdata.append(new Text(nullString));
            assertEquals("incorrect CDATA text", specialCharactersText, cdata.getText());
            cdata.append(new Text(text));
            assertEquals("incorrect CDATA text", specialCharactersText + text, cdata.getText());
            cdata.append(new Text(nullString));
            assertEquals("incorrect CDATA text", specialCharactersText + text, cdata.getText());
            cdata.append(new Text(emptyString));
            assertEquals("incorrect CDATA text", specialCharactersText + text, cdata.getText());
            cdata.append(new Text(otherString));
            assertEquals("incorrect CDATA text", specialCharactersText + text + otherString, cdata.getText());
            try {
                cdata.append(new Text(cdataEndText));
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }

        {
            // set it to the null (after it was set to another string so that we 
            // are sure comething has changed)
            final CDATA cdata = new CDATA(null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            cdata.append((String) null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            try {
                cdata.append(new Text(cdataEndText));
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }

        {
            // set it to the null (after it was set to another string so that we 
            // are sure comething has changed)
            final CDATA cdata = new CDATA(null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            cdata.append((Text) null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
            try {
                cdata.append(new Text(cdataEndText));
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }

        {
            // set text with some special characters
            final CDATA cdata = new CDATA(specialCharactersText);
            assertEquals("incorrect CDATA text", specialCharactersText, cdata.getText());
            cdata.append(new Text(specialCharactersText));
            assertEquals("incorrect CDATA text", specialCharactersText + specialCharactersText, cdata.getText());
            try {
                cdata.append(new Text(cdataEndText));
                fail("failed to detect CDATA end marker");
            } catch (final IllegalDataException exception) {
            }
        }
        
        
        try {
            // set text with some special characters which sould result into an exception
            final CDATA cdata = new CDATA(specialText);
            assertEquals("incorrect CDATA text", specialText, cdata.getText());
            cdata.append(new Text(specialText));
            
            fail("failed to detect CDATA end marker");
        } catch (final IllegalDataException exception) {
        }
    }

	/**
	 * Verify that the text of the CDATA matches expected value.
     * It assumes that the contrutor is working correctly
	 */
	public void test_TCM__String_getText() {
        {
            final String text = "this is a CDATA section";        
    
            final CDATA cdata = new CDATA(text);
            assertEquals("incorrect CDATA text", text, cdata.getText());
        }

        {
            //set it to the empty string
            final String emptyString = "";
            final CDATA cdata = new CDATA(emptyString);
            assertEquals("incorrect CDATA text", emptyString, cdata.getText());
        }

        {
            // set it to a another string
            final String otherString = "12345qwerty"; 
            final CDATA cdata = new CDATA(otherString);
            assertEquals("incorrect CDATA text", otherString, cdata.getText());
        }

        {
            // set it to the null
            final CDATA cdata = new CDATA(null);
            assertEquals("incorrect CDATA text", "", cdata.getText());
        }
	}

    /**
     * check for the expected toString text value of Comment.
     */
    public void test_TCM__String_toString() {
        {
            final String text = "this is a simple CDATA section";        
            final CDATA cdata = new CDATA(text);

            assertEquals(
                    "incorrect CDATA constructed", 
                    "[CDATA: " + text + ']', 
                    cdata.toString()); 
        }
    
        {
            final String text = "this is CDATA section with special characters as < > & &amp; &lt; &gt; [[ ]] > <![![";        
            final CDATA cdata = new CDATA(text);

            assertEquals(
                    "incorrect CDATA constructed", 
                    "[CDATA: " + text + ']', 
                    cdata.toString()); 
        }
    
    }
}