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POHow to rewrite data-driven test suites of JUnit 3 in Junit 4?
 

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  1. POHow to rewrite data-driven test suites of JUnit 3 in Junit 4?
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    <p>I am using data-driven test suites running JUnit 3 based on <a href="http://rads.stackoverflow.com/amzn/click/1932394230" rel="nofollow noreferrer">Rainsberger's JUnit Recipes</a>. The purpose of these tests is to check whether a certain function is properly implemented related to a set of input-output pairs.</p> <p>Here is the definition of the test suite:</p> <pre><code>public static Test suite() throws Exception { TestSuite suite = new TestSuite(); Calendar calendar = GregorianCalendar.getInstance(); calendar.set(2009, 8, 05, 13, 23); // 2009. 09. 05. 13:23 java.sql.Date date = new java.sql.Date(calendar.getTime().getTime()); suite.addTest(new DateFormatTestToString(date, JtDateFormat.FormatType.YYYY_MON_DD, "2009-SEP-05")); suite.addTest(new DateFormatTestToString(date, JtDateFormat.FormatType.DD_MON_YYYY, "05/SEP/2009")); return suite; } </code></pre> <p>and the definition of the testing class:</p> <pre><code>public class DateFormatTestToString extends TestCase { private java.sql.Date date; private JtDateFormat.FormatType dateFormat; private String expectedStringFormat; public DateFormatTestToString(java.sql.Date date, JtDateFormat.FormatType dateFormat, String expectedStringFormat) { super("testGetString"); this.date = date; this.dateFormat = dateFormat; this.expectedStringFormat = expectedStringFormat; } public void testGetString() { String result = JtDateFormat.getString(date, dateFormat); assertTrue( expectedStringFormat.equalsIgnoreCase(result)); } } </code></pre> <p>How is it possible to test several input-output parameters of a method using JUnit 4?</p> <p><a href="https://stackoverflow.com/questions/2635839/junit-confusion-use-extend-testcase-or-test">This question</a> and the answers explained to me the distinction between JUnit 3 and 4 in this regard. <a href="https://stackoverflow.com/questions/457276/junit4-test-suites">This question</a> and the answers describe the way to create test suite for a set of class but not for a method with a set of different parameters.</p> <p><strong>Solution</strong>:</p> <p>Based on drscroogemcduck's answer this is <a href="http://isagoksu.com/2009/development/agile-development/test-driven-development/using-junit-parameterized-annotation/" rel="nofollow noreferrer">the exact page</a> what helped.</p>
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