Ruy Vilão suggestions: no point in declaring the variables for the match result, let's put them directly in the assert (to be fixed in both tutorial and code).
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@ -13,19 +13,17 @@ import static org.junit.Assert.assertTrue;
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public class PatternJava11UnitTest {
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private static final String VALID_NAME = "Fabio Silva";
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private static final String INVALID_NAME = "Fabio Luis Silva";
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private static final List<String> NAMES_TO_VALIDATE = Arrays.asList(VALID_NAME, INVALID_NAME);
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private static final Pattern FIRST_LAST_NAME_PRE_COMPILED_PATTERN = Pattern.compile("[a-zA-Z]{3,} [a-zA-Z]{3,}");
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@Test
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public void givenPreCompiledPattern_whenCallAsMatchPredicate_thenReturnMatchPredicateToMatchesThePatternInTheListElements() {
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Predicate<String> patternAsMatchPredicate = FIRST_LAST_NAME_PRE_COMPILED_PATTERN.asMatchPredicate();
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List<String> validatedNames = NAMES_TO_VALIDATE.stream()
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List<String> namesToValidate = Arrays.asList("Fabio Silva", "Fabio Luis Silva");
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Pattern firstLastNamePreCompiledPattern = Pattern.compile("[a-zA-Z]{3,} [a-zA-Z]{3,}");
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Predicate<String> patternAsMatchPredicate = firstLastNamePreCompiledPattern.asMatchPredicate();
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List<String> validatedNames = namesToValidate.stream()
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.filter(patternAsMatchPredicate)
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.collect(Collectors.toList());
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assertTrue(validatedNames.contains(VALID_NAME));
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assertFalse(validatedNames.contains(INVALID_NAME));
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assertTrue(validatedNames.contains("Fabio Silva"));
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assertFalse(validatedNames.contains("Fabio Luis Silva"));
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}
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}
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@ -15,17 +15,12 @@ import static org.junit.Assert.*;
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public class PatternUnitTest {
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private static final Pattern FIRST_LAST_NAME_PRE_COMPILED_PATTERN = Pattern.compile("[a-zA-Z]{3,} [a-zA-Z]{3,}");
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private static final String VALID_NAME = "Fabio Silva";
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private static final String INVALID_NAME = "Mr. Silva";
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private static final List<String> NAMES_TO_VALIDATE = Arrays.asList(VALID_NAME, INVALID_NAME);
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private static final Pattern SPLIT_PRE_COMPILED_PATTERN = Pattern.compile("__");
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private static final String TEXT_TO_SPLIT = "My_Name__is__Fabio_Silva";
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@Test
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public void givenPreCompiledPattern_whenCallMatcher_thenReturnAMatcherToMatches() {
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Matcher matcherName1 = FIRST_LAST_NAME_PRE_COMPILED_PATTERN.matcher(VALID_NAME);
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Matcher matcherName2 = FIRST_LAST_NAME_PRE_COMPILED_PATTERN.matcher(INVALID_NAME);
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Matcher matcherName1 = FIRST_LAST_NAME_PRE_COMPILED_PATTERN.matcher("Fabio Silva");
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Matcher matcherName2 = FIRST_LAST_NAME_PRE_COMPILED_PATTERN.matcher("Mr. Silva");
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boolean matchesName1 = matcherName1.matches();
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boolean matchesName2 = matcherName2.matches();
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@ -36,19 +31,20 @@ public class PatternUnitTest {
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@Test
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public void givenPreCompiledPattern_whenCallAsPredicate_thenReturnPredicateToFindThePatternInTheListElements() {
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List<String> namesToValidate = Arrays.asList("Fabio Silva", "Mr. Silva");
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Predicate<String> patternsAsPredicate = FIRST_LAST_NAME_PRE_COMPILED_PATTERN.asPredicate();
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List<String> validNames = NAMES_TO_VALIDATE.stream()
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List<String> validNames = namesToValidate.stream()
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.filter(patternsAsPredicate)
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.collect(Collectors.toList());
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assertEquals(1, validNames.size());
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assertTrue(validNames.contains(VALID_NAME));
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assertTrue(validNames.contains("Fabio Silva"));
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}
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@Test
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public void givenPreCompiledPattern_whenCallSplit_thenReturnArrayWithValuesSplitByThePattern() {
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String[] textSplit = SPLIT_PRE_COMPILED_PATTERN.split(TEXT_TO_SPLIT);
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String[] textSplit = SPLIT_PRE_COMPILED_PATTERN.split("My_Name__is__Fabio_Silva");
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assertEquals("My_Name", textSplit[0]);
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assertEquals("is", textSplit[1]);
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@ -57,12 +53,11 @@ public class PatternUnitTest {
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@Test
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public void givenPreCompiledPattern_whenCallSplitAsStream_thenReturnArrayWithValuesSplitByThePattern() {
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Stream<String> textSplitAsStream = SPLIT_PRE_COMPILED_PATTERN.splitAsStream(TEXT_TO_SPLIT);
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Stream<String> textSplitAsStream = SPLIT_PRE_COMPILED_PATTERN.splitAsStream("My_Name__is__Fabio_Silva");
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String[] textSplit = textSplitAsStream.toArray(String[]::new);
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assertEquals("My_Name", textSplit[0]);
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assertEquals("is", textSplit[1]);
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assertEquals("Fabio_Silva", textSplit[2]);
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}
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}
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