/**
* Test method for {@link edu.ltu.stringreporter.StringReporter#getWordLength(java.lang.String)} .
*/
@Test
public void testGetWordLength() {
String w = "kiran";
int wLength = w.trim().length();
// Test that length is same
AssertJUnit.assertEquals(wLength, StringReporter.getWordLength("kiran"));
// Test that length is correct for hyphenated words
AssertJUnit.assertEquals(13, StringReporter.getWordLength("computer-aided"));
}
/** Test method for {@link edu.ltu.stringreporter.StringReporter#handleFile(java.io.File)}. */
@Test
public void testHandleFile() {
// Test that txt file works
try {
StringReporter.handleFile(new File("test.txt"));
} catch (Exception e) {
Assert.fail("Exception thrown for valid file");
}
// Test that non-txt file doesn't work
try {
StringReporter.handleFile(new File("test.png"));
} catch (Exception e) {
return;
}
Assert.fail("Exception not thrown for invalid file");
}
/**
* Test method for {@link edu.ltu.stringreporter.StringReporter#getUniqueWords(java.lang.String)}
* .
*/
@Test
public void testGetUniqueWords() {
String file = "one two three.\n\"One, two, three!\"";
ArrayList<String> WordslistTestExpected = new ArrayList<String>();
WordslistTestExpected.add("one");
WordslistTestExpected.add("three");
WordslistTestExpected.add("two");
// Tests that words are returned and in correct order
ArrayList<String> WordslistTest = StringReporter.getUniqueWords(file);
AssertJUnit.assertEquals(WordslistTestExpected, WordslistTest);
}
/**
* Test method for {@link edu.ltu.stringreporter.StringReporter#getWordFrequency(java.lang.String,
* java.lang.String)} .
*
* @throws IOException
*/
@Test
public void testGetWordFrequency() throws IOException {
String teststring = "Hello Kiran! Hello Jonhny. Hello, Gordon. Is that 'hello' to everyone?";
String s = "hello kiran hello jonhny hello gordon is that hello to everyone";
String[] each = s.split(" "); // Splitting the string by spaces
int cnt = 0; // counter
String kWord = "hello"; // place the unique word that needs to know the
// frequency of that word
for (int i = 0; i < each.length; i++) {
if (each[i].equalsIgnoreCase(kWord)) {
cnt++;
}
}
AssertJUnit.assertEquals(cnt, StringReporter.getWordFrequency(s, kWord));
// Additional tests
AssertJUnit.assertEquals(0, StringReporter.getWordFrequency(teststring, "test"));
AssertJUnit.assertEquals(1, StringReporter.getWordFrequency(teststring, "kiran"));
AssertJUnit.assertEquals(0, StringReporter.getWordFrequency(teststring, "johnny"));
AssertJUnit.assertEquals(1, StringReporter.getWordFrequency(teststring, "jonhny"));
AssertJUnit.assertEquals(1, StringReporter.getWordFrequency(teststring, "gordon"));
AssertJUnit.assertEquals(1, StringReporter.getWordFrequency(teststring, "everyone"));
}