How to use matchesSafely method of org.hamcrest.FeatureMatcher class

Best junit code snippet using org.hamcrest.FeatureMatcher.matchesSafely

Source:IoMatchers.java Github

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...48 .appendText(Arrays.toString(files))49 .appendText(" or is not a directory");50 }51 @Override52 protected boolean matchesSafely() {53 files = MoreObjects.firstNonNull(value().list(), new String[0]);54 return files.length == numberOfFiles;55 }56 };57 }58 public static Matcher<File> fileWithName(String filename) {59 return new ValueCachingMatcher<File>() {60 @Override61 public void describeTo(Description description) {62 description.appendText("file with name " + filename);63 }64 @Override65 protected void describeMismatchSafely(File item, Description mismatchDescription) {66 mismatchDescription.appendText("file ").appendValue(item).appendText(" did not have name " + filename);67 }68 @Override69 protected boolean matchesSafely() {70 return value().getName().equals(filename);71 }72 };73 }74 public static Matcher<File> fileContainingString(String contents) {75 return fileWithConents(containsString(contents));76 }77 public static Matcher<String> matchingPattern(String patternStr) {78 return new TypeSafeDiagnosingMatcher<String>() {79 @Override80 protected boolean matchesSafely(String text, Description mismatchDescription) {81 Pattern pattern = Pattern.compile(patternStr, Pattern.DOTALL);82 boolean matches = pattern.matcher(text).matches();83 if (!matches) {84 mismatchDescription.appendText(text);85 }86 return matches;87 }88 @Override89 public void describeTo(Description description) {90 description.appendText("matching '" + patternStr + "'");91 }92 };93 }94 public static Matcher<File> fileWithConents(Matcher<String> contentsMatcher) {95 return new FeatureMatcher<File, String>(contentsMatcher, "file contents", "file contents") {96 @Override97 protected String featureValueOf(File file) {98 try {99 return FileUtils.readFileToString(file, StandardCharsets.UTF_8);100 } catch (IOException e) {101 throw new RuntimeException(e);102 }103 }104 };105 }106 public static Matcher<File> fileExists() {107 return new ValueCachingMatcher<File>() {108 @Override109 public void describeTo(Description description) {110 description.appendText("file ").appendValue(value()).appendText(" to exist");111 }112 @Override113 protected void describeMismatchSafely(File item, Description mismatchDescription) {114 mismatchDescription115 .appendText("file ")116 .appendValue(item.getAbsolutePath())117 .appendText(" did not exist");118 }119 @Override120 protected boolean matchesSafely() {121 return value().exists();122 }123 };124 }125 public static Matcher<File> isDirectory() {126 return new ValueCachingMatcher<File>() {127 @Override128 public void describeTo(Description description) {129 description.appendValue(value()).appendText(" is directory");130 }131 @Override132 protected void describeMismatchSafely(File item, Description mismatchDescription) {133 mismatchDescription.appendValue(item.getAbsolutePath()).appendText(" is not a directory");134 }135 @Override136 protected boolean matchesSafely() {137 return value().isDirectory();138 }139 };140 }141 public static Matcher<Path> pathFileExists() {142 return new ValueCachingMatcher<Path>() {143 @Override144 public void describeTo(Description description) {145 description.appendText("file ").appendValue(value()).appendText(" to exist");146 }147 @Override148 protected void describeMismatchSafely(Path item, Description mismatchDescription) {149 mismatchDescription.appendText("file ").appendValue(item).appendText(" did not exist");150 }151 @Override152 protected boolean matchesSafely() {153 return value().toFile().exists();154 }155 };156 }157}...

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Source:StateMatchers.java Github

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...22 "state with top of operand stack matching ")23 .appendDescriptionOf(expectedMatcher);24 }25 @Override26 protected boolean matchesSafely(final JState item,27 final Description mismatchDescription) {28 final Object operand = item.peekOperand();29 mismatchDescription.appendText("state with top of operand stack ");30 expectedMatcher.describeMismatch(operand, mismatchDescription);31 return expectedMatcher.matches(operand);32 }33 };34 }35 public static Matcher<? super JState> instructionEqual(final Instruction expectedInstruction) {36 return new TypeSafeDiagnosingMatcher<JState>(JState.class) {37 @Override38 public void describeTo(final Description description) {39 description.appendText("state with next instruction equal to ")40 .appendValue(expectedInstruction);41 }42 @Override43 protected boolean matchesSafely(final JState item,44 final Description mismatchDescription) {45 final Instruction instruction = item.instruction();46 mismatchDescription.appendText("state with next instruction ")47 .appendValue(instruction);48 return equalTo(expectedInstruction).matches(instruction);49 }50 };51 }52 public static Matcher<? super JState> terminalInstruction() {53 return new TypeSafeDiagnosingMatcher<JState>(JState.class) {54 @Override55 public void describeTo(final Description description) {56 description.appendText("instruction with no successor");57 }58 @Override59 protected boolean matchesSafely(final JState item,60 final Description mismatchDescription) {61 final Instruction instruction = item.instruction();62 mismatchDescription.appendText("instruction with successor ")63 .appendValue(instruction);64 return !instruction.hasNext();65 }66 };67 }68 public static Matcher<? super JState> stackSize(final int expectedSize) {69 return new TypeSafeDiagnosingMatcher<JState>(JState.class) {70 @Override71 public void describeTo(final Description description) {72 description.appendText("state with ").appendValue(expectedSize)73 .appendText(" stack frames");74 }75 @Override76 protected boolean matchesSafely(final JState item,77 final Description mismatchDescription) {78 final int actualSize = item.stack().size();79 mismatchDescription.appendText("state with ")80 .appendValue(actualSize).appendText(" stack frames");81 return equalTo(expectedSize).matches(actualSize);82 }83 };84 }85 public static Matcher<? super JState> normalTerminiationWithResult(final Object result) {86 return both(normalTerminiation()).and(operandEqual(result));87 }88 public static Matcher<? super JState> normalTerminiationWithResultMatching(final Matcher<Object> matcher) {89 return both(normalTerminiation()).and(operandMatching(matcher));90 }...

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Source:ResponseMatchers.java Github

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...38 */39 public static <T> Matcher<Response<T>> hasNoHeaders() {40 return new TypeSafeMatcher<Response<T>>() {41 @Override42 protected boolean matchesSafely(Response<T> item) {43 return !item.headerEntries().iterator().hasNext();44 }45 @Override46 public void describeTo(Description description) {47 description.appendText("a response without headers");48 }49 @Override50 protected void describeMismatchSafely(Response<T> item, Description mismatchDescription) {51 mismatchDescription.appendText("it contained headers ").appendValue(item.headerEntries());52 }53 };54 }55 /**56 * Builds a matcher for {@link Response}s with matching header.57 * @param header The header to match.58 * @param valueMatcher {@link Matcher} for the corresponding value.59 * @return A matcher60 */61 public static <T> Matcher<Response<T>> hasHeader(String header, Matcher<String> valueMatcher) {62 return new FeatureMatcher<Response<T>, String>(valueMatcher,63 String.format("a response with header \"%s\" matching", header),64 "value") {65 @Override66 protected String featureValueOf(Response<T> actual) {67 return actual.header(header).orElse(null);68 }69 };70 }71 /**72 * Builds a matcher for {@link Response}s without specific header.73 * @param header Name of the unwanted header.74 * @return A matcher75 */76 public static <T> Matcher<Response<T>> doesNotHaveHeader(String header) {77 return new TypeSafeMatcher<Response<T>>() {78 @Override79 protected boolean matchesSafely(Response<T> item) {80 return !item.header(header).isPresent();81 }82 @Override83 public void describeTo(Description description) {84 description.appendText("a response without the header ").appendValue(header);85 }86 @Override87 protected void describeMismatchSafely(Response<T> item, Description mismatchDescription) {88 mismatchDescription.appendText("it contained the header ");89 mismatchDescription.appendValueList("{", ":", "}", header, item.header(header));90 }91 };92 }93 /**94 * Builds a matcher for {@link Response}s with no payload.95 * @return A matcher96 */97 public static <T> Matcher<Response<T>> hasNoPayload() {98 return new TypeSafeMatcher<Response<T>>() {99 @Override100 protected boolean matchesSafely(Response<T> item) {101 return !item.payload().isPresent();102 }103 @Override104 public void describeTo(Description description) {105 description.appendText("a response without payload");106 }107 @Override108 protected void describeMismatchSafely(Response<T> item, Description mismatchDescription) {109 mismatchDescription.appendText("it contained the payload: ").appendValue(item.payload().get());110 }111 };112 }113 /**114 * Builds a matcher for {@link Response}s with matching payload.115 * @param payloadMatcher {@link Matcher} for the payload.116 * @return A matcher117 */118 public static <T> Matcher<Response<? super T>> hasPayload(Matcher<? super T> payloadMatcher) {119 return new TypeSafeMatcher<Response<? super T>>() {120 @Override121 protected boolean matchesSafely(Response<? super T> item) {122 return item.payload()123 .map(payloadMatcher::matches)124 .orElse(false);125 }126 @Override127 public void describeTo(Description description) {128 description.appendText("a response with payload matching ");129 description.appendDescriptionOf(payloadMatcher);130 }131 @Override132 protected void describeMismatchSafely(Response<? super T> item, Description mismatchDescription) {133 final Optional<? super T> payload = item.payload();134 if (!payload.isPresent()) {135 mismatchDescription.appendText("there is no payload");...

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Source:HttpServletRequestMatcherBuilder.java Github

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...11 }12 public T withHeaderName (final Matcher<? super String> valueMatcher) {13 return with(new TypeSafeMatcher<HttpServletRequest>() {14 @Override15 protected boolean matchesSafely(HttpServletRequest request) {16 while (request.getHeaderNames().hasMoreElements()) {17 String headerName = request.getHeaderNames().nextElement();18 if (valueMatcher.matches(headerName))19 return true;20 }21 return false;22 }23 @Override24 public void describeTo(Description description) {25 description.appendText("Contains header name ").appendDescriptionOf(valueMatcher);26 }27 });28 }29 public T withHeader (final String name, Matcher<? super String> valueMatcher) {30 String description = String.format("Header '%s'", name);31 return with(new FeatureMatcher<HttpServletRequest, String>(valueMatcher, description, description) {32 @Override33 protected String featureValueOf(HttpServletRequest request) {34 return request.getHeader(name);35 }36 });37 }38 public T withUri (Matcher<? super String> valueMatcher) {39 String description = "Request URI";40 return with(new FeatureMatcher<HttpServletRequest, String>(valueMatcher, description, description) {41 @Override42 protected String featureValueOf(HttpServletRequest request) {43 return request.getRequestURI();44 }45 });46 }47 public T withMethod (Matcher<? super String> valueMatcher) {48 String description = "HTTP Method";49 return with(new FeatureMatcher<HttpServletRequest, String>(valueMatcher, description, description) {50 @Override51 protected String featureValueOf(HttpServletRequest request) {52 return request.getMethod();53 }54 });55 }56 public T withContentType (Matcher<? super String> valueMatcher) {57 String description = "HTTP Content-Type";58 return with(new FeatureMatcher<HttpServletRequest, String>(valueMatcher, description, description) {59 @Override60 protected String featureValueOf(HttpServletRequest request) {61 return request.getContentType();62 }63 });64 }65 public T withParameter (final String name, Matcher<? super String> matcher) {66 String description = String.format("Parameter '%s'", name);67 return with(new FeatureMatcher<HttpServletRequest, String>(matcher, description, description) {68 @Override69 protected String featureValueOf(HttpServletRequest request) {70 return request.getParameter(name);71 }72 });73 }74 public T withParameterName (final Matcher<? super String> valueMatcher) {75 return with(new TypeSafeMatcher<HttpServletRequest>() {76 @Override77 protected boolean matchesSafely(HttpServletRequest request) {78 while (request.getParameterNames().hasMoreElements()) {79 String parameterName = request.getHeaderNames().nextElement();80 if (valueMatcher.matches(parameterName))81 return true;82 }83 return false;84 }85 @Override86 public void describeTo(Description description) {87 description.appendText("Contains parameter name ").appendDescriptionOf(valueMatcher);88 }89 });90 }91}...

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Source:JsonObjectMatchers.java Github

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...35 }36 public static Matcher<JsonObject> hasProperty(String property) {37 return new TypeSafeDiagnosingMatcher<JsonObject>() {38 @Override39 protected boolean matchesSafely(JsonObject item, Description mismatchDescription) {40 boolean matches = item.containsKey(property);41 if (!matches) {42 mismatchDescription.appendText(43 "property " + "'" + property + "'" + " was not present. The following keys are present: " + quoteEntries(item.fieldNames()));44 }45 return matches;46 }47 @Override48 public void describeTo(Description description) {49 description.appendText("a JsonObject with a property " + "'" + property + "'");50 }51 };52 }53 public static Matcher<JsonObject> hasProperties(String aProperty, String anotherProperty, String... moreProprties) {54 return new TypeSafeDiagnosingMatcher<JsonObject>() {55 @Override56 protected boolean matchesSafely(JsonObject item, Description mismatchDescription) {57 Set<String> required = required();58 HashSet<String> missing = newHashSet(required);59 missing.removeAll(item.fieldNames());60 boolean matches = missing.isEmpty();61 if (!matches) {62 mismatchDescription.appendText(63 "Expected properties " + missing + " were not present. The following properties are present: "64 + quoteEntries(item.fieldNames()));65 }66 return matches;67 }68 @Override69 public void describeTo(Description description) {70 description.appendText("a JsonObject with properties " + required());...

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Source:SuccessOrFailureMatchers.java Github

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...23public enum SuccessOrFailureMatchers {24 ;25 public static final class Successful extends TypeSafeDiagnosingMatcher<SuccessOrFailure> {26 @Override27 protected boolean matchesSafely(SuccessOrFailure item, Description mismatchDescription) {28 if (item.failed()) {29 mismatchDescription.appendValue(item);30 }31 return item.succeeded();32 }33 @Override34 public void describeTo(Description description) {35 description.appendText("is successful");36 }37 }38 public static Matcher<SuccessOrFailure> successful() {39 return new Successful();40 }41 public static final class Failure extends FeatureMatcher<SuccessOrFailure, String> {42 public Failure(Matcher<? super String> subMatcher) {43 super(subMatcher, "failure message of", "failure message");44 }45 @Override46 protected String featureValueOf(SuccessOrFailure actual) {47 return actual.failureMessage();48 }49 @Override50 protected boolean matchesSafely(SuccessOrFailure actual, Description mismatch) {51 if (actual.succeeded()) {52 mismatch.appendValue(actual);53 return false;54 }55 return super.matchesSafely(actual, mismatch);56 }57 }58 public static Matcher<SuccessOrFailure> failure() {59 return new Failure(anything());60 }61 public static Matcher<SuccessOrFailure> failureWithMessage(Matcher<String> messageMatcher) {62 return new Failure(messageMatcher);63 }64 public static Matcher<SuccessOrFailure> failureWithMessage(String message) {65 return new Failure(equalTo(message));66 }67}...

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Source:StatusMatcher.java Github

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...28 description.appendText(Status.OK_STATUS.toString());29 }30 31 @Override32 protected boolean matchesSafely(IStatus item) {33 return item.isOK();34 }35 };36 }3738 public static FeatureMatcher<IStatus, Integer> severity(Matcher<? super Integer> matcher){39 return new FeatureMatcher<IStatus, Integer>(matcher, "validation result severity", "severity") { //$NON-NLS-1$ //$NON-NLS-2$40 @Override41 protected Integer featureValueOf(IStatus actual) {42 return actual.getSeverity();43 }44 };45 }46 ...

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Source:ParseResultMatchers.java Github

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...5public class ParseResultMatchers {6 public static Matcher<ParseResult<?, ?>> wasSuccessful() {7 return new CustomTypeSafeMatcher<ParseResult<?, ?>>("parse result was successful") {8 @Override9 protected boolean matchesSafely(final ParseResult<?, ?> item) {10 return item.isSuccessful();11 }12 };13 }14 public static Matcher<ParseResult<?, ?>> hasNoMoreInput() {15 return new CustomTypeSafeMatcher<ParseResult<?, ?>>("parse result has no more input") {16 @Override17 protected boolean matchesSafely(final ParseResult<?, ?> item) {18 return item.getNext().isAtEnd();19 }20 };21 }22 public static <T> Matcher<ParseResult<?, T>> hasResult(final Matcher<T> resultMatcher) {23 return new FeatureMatcher<ParseResult<?, T>, T>(resultMatcher, "parse result", "parse result") {24 @Override25 protected T featureValueOf(final ParseResult<?, T> actual) {26 return actual.get();27 }28 };29 }30}...

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matchesSafely

Using AI Code Generation

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1package org.hamcrest;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.junit.runners.JUnit4;5import static org.hamcrest.CoreMatchers.equalTo;6@RunWith(JUnit4.class)7public class FeatureMatcherTest {8 public void testFeatureMatcher() {9 Matcher<String> matcher = new FeatureMatcher<String, String>(equalTo("Hello"), "a string starting with", "starts with") {10 protected String featureValueOf(String actual) {11 return actual.substring(0, 5);12 }13 };14 System.out.println("matcher.matches(\"Hello World\") = " + matcher.matches("Hello World"));15 }16}17matcher.matches("Hello World") = true

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matchesSafely

Using AI Code Generation

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1public class FeatureMatcherTest {2 public void test() {3 String str = "Hello World";4 assertThat(str, startsWith("Hello"));5 }6 private static Matcher<String> startsWith(final String prefix) {7 return new FeatureMatcher<String, String>(equalTo(prefix), "a string starting with", "starting with") {8 protected String featureValueOf(String actual) {9 return actual.substring(0, prefix.length());10 }11 };12 }13}

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matchesSafely

Using AI Code Generation

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1import org.hamcrest.FeatureMatcher2import org.hamcrest.Matcher3import org.hamcrest.Matchers4class Person {5 Person(String name, int age, String address) {6 }7 String getName() {8 }9 int getAge() {10 }11 String getAddress() {12 }13}14def person = new Person("John", 20, "USA")15def nameMatcher = new FeatureMatcher<Person, String>(Matchers.equalTo("John"), "name", "name") {16 protected String featureValueOf(Person actual) {17 return actual.getName()18 }19}20def ageMatcher = new FeatureMatcher<Person, Integer>(Matchers.equalTo(20), "age", "age") {21 protected Integer featureValueOf(Person actual) {22 return actual.getAge()23 }24}25def addressMatcher = new FeatureMatcher<Person, String>(Matchers.equalTo("USA"), "address", "address") {26 protected String featureValueOf(Person actual) {27 return actual.getAddress()28 }29}30assertThat(person, allOf(nameMatcher, ageMatcher, addressMatcher))31person == allOf(nameMatcher, ageMatcher, addressMatcher)

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matchesSafely

Using AI Code Generation

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1FeatureMatcher<String, String> containsStringMatcher = new FeatureMatcher<String, String>(null, "contains string", "string") {2 protected boolean matchesSafely(String item) {3 return item.contains(featureValueOf(this));4 }5 };6Matcher<String> containsString = containsStringMatcher;7Matcher<String> containsWorld = containsString("world");8String string = "hello world";9assertThat(string, containsWorld);

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matchesSafely

Using AI Code Generation

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1import org.hamcrest.FeatureMatcher2import org.hamcrest.Matcher3import org.hamcrest.Matchers4class IsPersonWithAge(val age: Int) : FeatureMatcher<Person, Int>(Matchers.equalTo(age), "Person with age", "age") {5 override fun featureValueOf(actual: Person): Int {6 }7}8fun withAge(age: Int): Matcher<Person> {9 return IsPersonWithAge(age)10}11class Person(val name: String, val age: Int)12fun main(args: Array<String>) {13 val person = Person("John", 30)14 assertThat(person, withAge(30))15}16org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)17org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)18IsPersonWithAgeKt.main(IsPersonWithAge.kt:20)19import com.nhaarman.mockitokotlin2.mock20import org.hamcrest.MatcherAssert.assertThat21import org.hamcrest.Matchers22import org.junit.Test23class IsPersonWithAgeMockitoTest {24 fun matchesSafely() {25 val person = mock<Person> {26 on { age } doReturn 3027 }28 assertThat(person, withAge(30))29 }30}31org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)32org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)33IsPersonWithAgeMockitoTest.matchesSafely(IsPersonWithAgeMockitoTest.kt:14)34import com.natpryce.hamkrest.assertion.assertThat35import com.natpryce.hamkrest.equalTo36import org.junit.Test37class IsPersonWithAgeHamcrestTest {38 fun matchesSafely() {39 val person = Person("John", 30)40 assertThat(person, withAge(30))41 }42}43org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)

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matchesSafely

Using AI Code Generation

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1import org.hamcrest.FeatureMatcher2import org.hamcrest.Matcher3import org.hamcrest.Matchers4import org.openqa.selenium.WebElement5class CustomMatcher extends FeatureMatcher<WebElement, String> {6 CustomMatcher(Matcher<? super String> subMatcher) {7 super(subMatcher, "a WebElement with the value:", "value")8 }9 String featureValueOf(WebElement actual) {10 return actual.getAttribute("value")11 }12}13WebElement element = driver.findElement(By.id("elementId"))14assertThat(element, new CustomMatcher(Matchers.equalTo("expectedValue")))15WebElement element = driver.findElement(By.id("elementId"))16assertThat(element, new CustomMatcher(Matchers.containsString("expectedValue")))17WebElement element = driver.findElement(By.id("elementId"))18assertThat(element, new CustomMatcher(Matchers.startsWith("expectedValue")))19WebElement element = driver.findElement(By.id("elementId"))20assertThat(element, new CustomMatcher(Matchers.endsWith("expectedValue")))21WebElement element = driver.findElement(By.id("elementId"))22assertThat(element, new CustomMatcher(Matchers.not(Matchers.equalTo("expectedValue"))))23WebElement element = driver.findElement(By.id("elementId"))24assertThat(element, new CustomMatcher(Matchers.not(Matchers.containsString("expectedValue"))))

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