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How to use checkRegexIsNotNull method of org.assertj.core.internal.Strings class

Best Assertj code snippet using org.assertj.core.internal.Strings.checkRegexIsNotNull

Source:Strings.java

...480   * @throws AssertionError if the given {@code CharSequence} is {@code null}.481   * @throws AssertionError if the actual {@code CharSequence} does not match the given regular expression.482   */483  public void assertMatches(AssertionInfo info, CharSequence actual, CharSequence regex) {484    checkRegexIsNotNull(regex);485    assertNotNull(info, actual);486    if (!Pattern.matches(regex.toString(), actual)) throw failures.failure(info, shouldMatch(actual, regex));487  }488  /**489   * Verifies that the given {@code CharSequence} does not match the given regular expression.490   * 491   * @param info contains information about the assertion.492   * @param actual the given {@code CharSequence}.493   * @param regex the regular expression to which the actual {@code CharSequence} is to be matched.494   * @throws NullPointerException if the given pattern is {@code null}.495   * @throws PatternSyntaxException if the regular expression's syntax is invalid.496   * @throws AssertionError if the given {@code CharSequence} is {@code null}.497   * @throws AssertionError if the actual {@code CharSequence} matches the given regular expression.498   */499  public void assertDoesNotMatch(AssertionInfo info, CharSequence actual, CharSequence regex) {500    checkRegexIsNotNull(regex);501    assertNotNull(info, actual);502    if (Pattern.matches(regex.toString(), actual)) throw failures.failure(info, shouldNotMatch(actual, regex));503  }504  private void checkRegexIsNotNull(CharSequence regex) {505    if (regex == null) throw patternToMatchIsNull();506  }507  /**508   * Verifies that the given {@code CharSequence} matches the given regular expression.509   * 510   * @param info contains information about the assertion.511   * @param actual the given {@code CharSequence}.512   * @param pattern the regular expression to which the actual {@code CharSequence} is to be matched.513   * @throws NullPointerException if the given pattern is {@code null}.514   * @throws AssertionError if the given {@code CharSequence} is {@code null}.515   * @throws AssertionError if the given {@code CharSequence} does not match the given regular expression.516   */517  public void assertMatches(AssertionInfo info, CharSequence actual, Pattern pattern) {518    checkIsNotNull(pattern);519    assertNotNull(info, actual);520    if (!pattern.matcher(actual).matches()) throw failures.failure(info, shouldMatch(actual, pattern.pattern()));521  }522  /**523   * Verifies that the given {@code CharSequence} does not match the given regular expression.524   * 525   * @param info contains information about the assertion.526   * @param actual the given {@code CharSequence}.527   * @param pattern the regular expression to which the actual {@code CharSequence} is to be matched.528   * @throws NullPointerException if the given pattern is {@code null}.529   * @throws AssertionError if the given {@code CharSequence} matches the given regular expression.530   */531  public void assertDoesNotMatch(AssertionInfo info, CharSequence actual, Pattern pattern) {532    checkIsNotNull(pattern);533    if (!(actual == null || !pattern.matcher(actual).matches()))534      throw failures.failure(info, shouldNotMatch(actual, pattern.pattern()));535  }536  private void checkIsNotNull(Pattern pattern) {537    if (pattern == null) throw patternToMatchIsNull();538  }539  private NullPointerException patternToMatchIsNull() {540    return new NullPointerException("The regular expression pattern to match should not be null");541  }542  private void assertNotNull(AssertionInfo info, CharSequence actual) {543    Objects.instance().assertNotNull(info, actual);544  }545  public void assertContainsSequence(AssertionInfo info, CharSequence actual, CharSequence[] sequence) {546    assertNotNull(info, actual);547    checkIsNotNull(sequence);548    checkIsNotEmpty(sequence);549    checkCharSequenceArrayDoesNotHaveNullElements(sequence);550    Set<CharSequence> notFound = new LinkedHashSet<>();551    for (CharSequence value : sequence) {552      if (!stringContains(actual, value)) notFound.add(value);553    }554    if (!notFound.isEmpty()) {555      // don't bother looking for a sequence, some of the sequence elements were not found !556      if (notFound.size() == 1 && sequence.length == 1) {557        throw failures.failure(info, shouldContain(actual, sequence[0], comparisonStrategy));558      }559      throw failures.failure(info, shouldContain(actual, sequence, notFound, comparisonStrategy));560    }561    // we have found all the given values but were they in the expected order ?562    if (sequence.length == 1) return; // no order check needed for a one element sequence563    // convert all to one char CharSequence list to ease comparison564    String strActual = actual.toString();565    for (int i = 1; i < sequence.length; i++) {566      int indexOfCurrentSequenceValue = indexOf(strActual, sequence[i - 1].toString());567      int indexOfNextSequenceValue = indexOf(strActual, sequence[i].toString());568      if (indexOfCurrentSequenceValue > indexOfNextSequenceValue) {569        throw failures.failure(info, shouldContainSequence(actual, sequence, i-1, comparisonStrategy));570      }571      // get rid of the start of String to properly handle duplicate sequence values572      // ex: "a-b-c" and sequence "a", "-", "b", "-", "c" would fail as the second "-" would be found before "b"573      strActual = strActual.substring(indexOfCurrentSequenceValue + 1);574    }575  }576  private int indexOf(String string, String toFind) {577    for (int i = 0; i < string.length(); i++) {578      if (comparisonStrategy.stringStartsWith(string.substring(i), toFind)) return i;579    }580    return -1;581  }582  public void assertXmlEqualsTo(AssertionInfo info, CharSequence actualXml, CharSequence expectedXml) {583    // check that actual and expected XML CharSequence are not null.584    // we consider that null values don't make much sense when you want to compare XML document as String/CharSequence.585    checkCharSequenceIsNotNull(expectedXml);586    assertNotNull(info, actualXml);587    // we only use default comparison strategy, it does not make sense to use a specific comparison strategy588    final String formattedActualXml = xmlPrettyFormat(actualXml.toString());589    final String formattedExpectedXml = xmlPrettyFormat(expectedXml.toString());590    if (!comparisonStrategy.areEqual(formattedActualXml, formattedExpectedXml))591      throw failures.failure(info, shouldBeEqual(formattedActualXml, formattedExpectedXml, comparisonStrategy,592                                                 info.representation()));593  }594  public void assertIsSubstringOf(AssertionInfo info, CharSequence actual, CharSequence sequence) {595    assertNotNull(info, actual);596    checkNotNull(sequence, "Expecting CharSequence not to be null");597    if (stringContains(sequence.toString(), actual.toString())) return;598    throw failures.failure(info, shouldBeSubstring(actual, sequence, comparisonStrategy));599  }600  /**601   * Verifies that the given {@code CharSequence} contains the given regular expression.602   * 603   * @param info contains information about the assertion.604   * @param actual the given {@code CharSequence}.605   * @param regex the regular expression to find in the actual {@code CharSequence}.606   * @throws NullPointerException if the given pattern is {@code null}.607   * @throws PatternSyntaxException if the regular expression's syntax is invalid.608   * @throws AssertionError if the given {@code CharSequence} is {@code null}.609   * @throws AssertionError if the actual {@code CharSequence} does not contain the given regular expression.610   */611  public void assertContainsPattern(AssertionInfo info, CharSequence actual, CharSequence regex) {612    checkRegexIsNotNull(regex);613    assertNotNull(info, actual);614    Pattern pattern = Pattern.compile(regex.toString());615    Matcher matcher = pattern.matcher(actual);616    if (!matcher.find()) throw failures.failure(info, shouldContainPattern(actual, pattern.pattern()));617  }618  /**619   * Verifies that the given {@code CharSequence} contains the given regular expression.620   * 621   * @param info contains information about the assertion.622   * @param actual the given {@code CharSequence}.623   * @param pattern the regular expression to find in the actual {@code CharSequence}.624   * @throws NullPointerException if the given pattern is {@code null}.625   * @throws AssertionError if the given {@code CharSequence} is {@code null}.626   * @throws AssertionError if the given {@code CharSequence} does not contain the given regular expression....

checkRegexIsNotNull

Using AI Code Generation

1String test = "some text here [variable] some more text here";2String regex = "\\[([^\\]]+)\\]";3Pattern pattern = Pattern.compile(regex);4Matcher matcher = pattern.matcher(test);5if (matcher.find()) {6    String variable = matcher.group(1);7    System.out.println(variable);8}9    at java.util.regex.Matcher.group(Matcher.java:538)10    at java.util.regex.Matcher.group(Matcher.java:503)11    at com.mycompany.myapp.Main.main(Main.java:18)12I have a string with a regex pattern like: "a{1,2}b{1,2}c{1,2}" and I want to replace the numbers with a number I choose. I have tried this:13String regex = "a{1,2}b{1,2}c{1,2}";14String replacement = "a{1,2}b{1,2}c{1,2}";15String test = "a{1,2}b{1,2}c{1,2}";16String result = test.replaceAll(regex, replacement);17String regex = "a{1,2}b{1,2}c{1,2}";18String replacement = "a{

checkRegexIsNotNull

Using AI Code Generation

1package org.assertj.core.internal.strings;2import static org.assertj.core.error.ShouldNotBeNull.shouldNotBeNull;3import static org.assertj.core.test.TestData.someInfo;4import static org.assertj.core.util.FailureMessages.actualIsNull;5import static org.assertj.core.util.Sets.newLinkedHashSet;6import static org.assertj.core.util.FailureMessages.actualIsNull;7import static org.mockito.Mockito.verify;8import org.assertj.core.api.AssertionInfo;9import org.assertj.core.internal.Strings;10import org.assertj.core.internal.StringsBaseTest;11import org.junit.Test;12public class Strings_checkRegexIsNotNull_Test extends StringsBaseTest {13  public void should_pass_if_regex_is_not_null() {14    strings.checkRegexIsNotNull(someInfo(), "a*b");15  }16  public void should_throw_error_if_regex_is_null() {17    thrown.expectNullPointerException("The regular expression to look for should not be null");18    strings.checkRegexIsNotNull(someInfo(), null);19  }20  public void should_fail_if_actual_is_null() {21    thrown.expectAssertionError(actualIsNull());22    strings.assertMatches(someInfo(), null, "a*b");23  }24}25package org.assertj.core.internal.strings;26import static org.assertj.core.error.ShouldNotBeNull.shouldNotBeNull;27import static org.assertj.core.test.TestData.someInfo;28import static org.assertj.core.util.FailureMessages.actualIsNull;29import static org.assertj.core.util.Sets.newLinkedHashSet;30import static org.assertj.core.util.FailureMessages.actualIsNull;31import static org.mockito.Mockito.verify;32import org.assertj.core.api.AssertionInfo;33import org.assertj.core.internal.Strings;34import org.assertj.core.internal.StringsBaseTest;35import org.junit.Test;36public class Strings_checkRegexIsNotNull_Test extends StringsBaseTest {37  public void should_pass_if_regex_is_not_null() {38    strings.checkRegexIsNotNull(someInfo(), "a*b");39  }40  public void should_throw_error_if_regex_is_null() {41    thrown.expectNullPointerException("The regular expression to look for should not be null");42    strings.checkRegexIsNotNull(someInfo(), null);43  }44  public void should_fail_if_actual_is_null() {

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