Move articles out of java-strings part1
This commit is contained in:
catalin-burcea
@@ -1,62 +0,0 @@
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package com.baeldung;
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import static org.assertj.core.api.Assertions.assertThat;
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import org.junit.Test;
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import com.google.common.primitives.Ints;
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public class StringToIntOrIntegerUnitTest {
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@Test
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public void givenString_whenParsingInt_shouldConvertToInt() {
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String givenString = "42";
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int result = Integer.parseInt(givenString);
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assertThat(result).isEqualTo(42);
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}
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@Test
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public void givenString_whenCallingIntegerValueOf_shouldConvertToInt() {
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String givenString = "42";
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Integer result = Integer.valueOf(givenString);
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assertThat(result).isEqualTo(new Integer(42));
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}
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@Test
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public void givenString_whenCallingIntegerConstructor_shouldConvertToInt() {
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String givenString = "42";
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Integer result = new Integer(givenString);
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assertThat(result).isEqualTo(new Integer(42));
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}
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@Test
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public void givenString_whenCallingIntegerDecode_shouldConvertToInt() {
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String givenString = "42";
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int result = Integer.decode(givenString);
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assertThat(result).isEqualTo(42);
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}
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@Test
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public void givenString_whenTryParse_shouldConvertToInt() {
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String givenString = "42";
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Integer result = Ints.tryParse(givenString);
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assertThat(result).isEqualTo(42);
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}
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@Test(expected = NumberFormatException.class)
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public void givenInvalidInput_whenParsingInt_shouldThrow() {
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String givenString = "nan";
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Integer.parseInt(givenString);
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}
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}
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@@ -1,27 +0,0 @@
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package com.baeldung.enums;
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import static junit.framework.TestCase.assertTrue;
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import org.junit.Test;
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public class PizzaUnitTest {
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@Test
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public void whenConvertedIntoEnum_thenGetsConvertedCorrectly() {
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String pizzaEnumValue = "READY";
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PizzaStatusEnum pizzaStatusEnum = PizzaStatusEnum.valueOf(pizzaEnumValue);
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assertTrue(pizzaStatusEnum == PizzaStatusEnum.READY);
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}
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@Test(expected = IllegalArgumentException.class)
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public void whenConvertedIntoEnum_thenThrowsException() {
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String pizzaEnumValue = "rEAdY";
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PizzaStatusEnum pizzaStatusEnum = PizzaStatusEnum.valueOf(pizzaEnumValue);
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}
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@Test(expected = IllegalArgumentException.class)
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public void givenInvalidEnumValueContentWiseAsString_whenConvertedIntoEnum_thenThrowsException() {
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String pizzaEnumValue = "invalid";
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PizzaStatusEnum pizzaStatusEnum = PizzaStatusEnum.valueOf(pizzaEnumValue);
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}
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}
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@@ -1,59 +0,0 @@
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package com.baeldung.string;
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import org.junit.Test;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import java.util.stream.IntStream;
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import java.util.stream.Stream;
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import static org.hamcrest.CoreMatchers.instanceOf;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertThat;
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public class StringToCharStreamUnitTest {
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private String testString = "Tests";
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@Test
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public void givenTestString_whenChars_thenReturnIntStream() {
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assertThat(testString.chars(), instanceOf(IntStream.class));
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}
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@Test
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public void givenTestString_whenCodePoints_thenReturnIntStream() {
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assertThat(testString.codePoints(), instanceOf(IntStream.class));
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}
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@Test
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public void givenTestString_whenCodePoints_thenShowOccurences() throws Exception {
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Map<Character, Integer> map = testString.codePoints()
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.mapToObj(c -> (char) c)
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.filter(Character::isLetter)
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.collect(Collectors.toMap(c -> c, c -> 1, Integer::sum));
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System.out.println(map);
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}
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@Test
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public void givenIntStream_whenMapToObj_thenReturnCharacterStream() {
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Stream<Character> characterStream = testString.chars()
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.mapToObj(c -> (char) c);
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Stream<Character> characterStream1 = testString.codePoints()
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.mapToObj(c -> (char) c);
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assertNotNull("IntStream returned by chars() did not map to Stream<Character>", characterStream);
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assertNotNull("IntStream returned by codePoints() did not map to Stream<Character>", characterStream1);
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}
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@Test
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public void givenIntStream_whenMapToObj_thenReturnStringStream() {
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List<String> strings = testString.codePoints()
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.mapToObj(c -> String.valueOf((char) c))
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.collect(Collectors.toList());
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assertEquals(strings.size(), 5);
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}
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}
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@@ -1,70 +0,0 @@
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package com.baeldung.string;
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import org.junit.Assert;
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import org.junit.Test;
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import static org.junit.Assert.*;
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public class TitleCaseConverterUnitTest {
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private static final String TEXT = "tHis IS a tiTLe";
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private static final String TEXT_EXPECTED = "This Is A Title";
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private static final String TEXT_EXPECTED_NOT_FULL = "THis IS A TiTLe";
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private static final String TEXT_OTHER_DELIMITERS = "tHis, IS a tiTLe";
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private static final String TEXT_EXPECTED_OTHER_DELIMITERS = "This, Is A Title";
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private static final String TEXT_EXPECTED_OTHER_DELIMITERS_NOT_FULL = "THis, IS A TiTLe";
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@Test
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public void whenConvertingToTitleCaseIterating_thenStringConverted() {
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assertEquals(TEXT_EXPECTED, TitleCaseConverter.convertToTitleCaseIteratingChars(TEXT));
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}
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@Test
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public void whenConvertingToTitleCaseSplitting_thenStringConverted() {
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assertEquals(TEXT_EXPECTED, TitleCaseConverter.convertToTitleCaseSplitting(TEXT));
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}
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@Test
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public void whenConvertingToTitleCaseUsingWordUtilsFull_thenStringConverted() {
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assertEquals(TEXT_EXPECTED, TitleCaseConverter.convertToTileCaseWordUtilsFull(TEXT));
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}
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@Test
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public void whenConvertingToTitleCaseUsingWordUtils_thenStringConvertedOnlyFirstCharacter() {
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assertEquals(TEXT_EXPECTED_NOT_FULL, TitleCaseConverter.convertToTileCaseWordUtils(TEXT));
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}
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@Test
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public void whenConvertingToTitleCaseUsingIcu4j_thenStringConverted() {
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assertEquals(TEXT_EXPECTED, TitleCaseConverter.convertToTitleCaseIcu4j(TEXT));
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}
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@Test
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public void whenConvertingToTitleCaseWithDifferentDelimiters_thenDelimitersKept() {
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assertEquals(TEXT_EXPECTED_OTHER_DELIMITERS, TitleCaseConverter.convertToTitleCaseIteratingChars(TEXT_OTHER_DELIMITERS));
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assertEquals(TEXT_EXPECTED_OTHER_DELIMITERS, TitleCaseConverter.convertToTitleCaseSplitting(TEXT_OTHER_DELIMITERS));
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assertEquals(TEXT_EXPECTED_OTHER_DELIMITERS, TitleCaseConverter.convertToTileCaseWordUtilsFull(TEXT_OTHER_DELIMITERS));
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assertEquals(TEXT_EXPECTED_OTHER_DELIMITERS_NOT_FULL, TitleCaseConverter.convertToTileCaseWordUtils(TEXT_OTHER_DELIMITERS));
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assertEquals(TEXT_EXPECTED_OTHER_DELIMITERS, TitleCaseConverter.convertToTitleCaseIcu4j(TEXT_OTHER_DELIMITERS));
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}
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@Test
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public void givenNull_whenConvertingToTileCase_thenReturnNull() {
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assertEquals(null, TitleCaseConverter.convertToTitleCaseIteratingChars(null));
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assertEquals(null, TitleCaseConverter.convertToTitleCaseSplitting(null));
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assertEquals(null, TitleCaseConverter.convertToTileCaseWordUtilsFull(null));
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assertEquals(null, TitleCaseConverter.convertToTileCaseWordUtils(null));
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assertEquals(null, TitleCaseConverter.convertToTitleCaseIcu4j(null));
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}
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@Test
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public void givenEmptyString_whenConvertingToTileCase_thenReturnEmptyString() {
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assertEquals("", TitleCaseConverter.convertToTitleCaseIteratingChars(""));
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assertEquals("", TitleCaseConverter.convertToTitleCaseSplitting(""));
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assertEquals("", TitleCaseConverter.convertToTileCaseWordUtilsFull(""));
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assertEquals("", TitleCaseConverter.convertToTileCaseWordUtils(""));
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assertEquals("", TitleCaseConverter.convertToTitleCaseIcu4j(""));
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}
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}
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