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Best junit code snippet using org.hamcrest.BaseMatcher
Source:IntervalMatcher.java 
1package com.justdavis.jessentials.jversionsanity.range.interval;2import org.hamcrest.BaseMatcher;3import org.hamcrest.CoreMatchers;4import org.hamcrest.Description;5import org.hamcrest.Matcher;6import com.justdavis.jessentials.jversionsanity.Version;7import com.justdavis.jessentials.jversionsanity.range.VersionRange;8/**9 * A {@link Matcher} that determines whether or not specific {@link Version}s10 * match a given {@link VersionRange}, according to the logic described in the11 * class JavaDoc for {@link Interval}.12 */13final class IntervalMatcher<V extends Version> extends BaseMatcher<V> {14 private final Interval<V> range;15 /**16 * Constructor.17 * 18 * @param range19 * the {@link Interval} version range that {@link Version}s will20 * be matched against21 */22 public IntervalMatcher(Interval<V> range) {23 this.range = range;24 }25 /**26 * @see org.hamcrest.Matcher#matches(java.lang.Object)27 */28 @Override29 public boolean matches(Object item) {30 if (!(item instanceof Version))31 throw new IllegalArgumentException();32 Version version = (Version) item;33 return CoreMatchers.allOf(new LowerBoundMatcher<V>(range), new UpperBoundMatcher<V>(range)).matches(version);34 }35 /**36 * @see org.hamcrest.SelfDescribing#describeTo(org.hamcrest.Description)37 */38 @Override39 public void describeTo(Description description) {40 throw new UnsupportedOperationException();41 }42 /**43 * This {@link org.hamcrest.Matcher} verifies that {@link Version}s match44 * the lower bound (if any) of {@link Interval} version ranges.45 * 46 * @param <V>47 * the {@link Version} implementation that will be checked48 */49 private static final class LowerBoundMatcher<V extends Version> extends BaseMatcher<V> {50 private final Interval<V> range;51 /**52 * Constructor.53 * 54 * @param range55 * the {@link Interval} version range that {@link Version}s56 * will be matched against57 */58 public LowerBoundMatcher(Interval<V> range) {59 this.range = range;60 }61 /**62 * @see org.hamcrest.Matcher#matches(java.lang.Object)63 */64 @Override65 public boolean matches(Object item) {66 /*67 * This will store the "greater than" and (possibly) "equal to"68 * comparisons.69 */70 Matcher<V> equalityMatcher;71 // We always need to perform a "greater than" comparison.72 equalityMatcher = new GreaterThanMatcher<V>(range.getVersionLower());73 // Is an "equal to" comparison needed?74 if (range.getTypeLower() == IntervalBoundaryType.OMITTED75 || range.getTypeLower() == IntervalBoundaryType.INCLUSIVE) {76 /*77 * Note: An OMITTED bound is equivalent to an INCLUSIVE one.78 */79 equalityMatcher = CoreMatchers.either(equalityMatcher)80 .or(new EqualToMatcher<V>(range.getVersionLower()));81 }82 return equalityMatcher.matches(item);83 }84 /**85 * @see org.hamcrest.SelfDescribing#describeTo(org.hamcrest.Description)86 */87 @Override88 public void describeTo(Description description) {89 throw new UnsupportedOperationException();90 }91 }92 /**93 * This {@link org.hamcrest.Matcher} verifies that {@link Version}s match94 * the upper bound (if any) of {@link Interval} version ranges.95 * 96 * @param <V>97 * the {@link Version} implementation that will be checked98 */99 private static final class UpperBoundMatcher<V extends Version> extends BaseMatcher<V> {100 private final Interval<V> range;101 /**102 * Constructor.103 * 104 * @param range105 * the {@link Interval} version range that {@link Version}s106 * will be matched against107 */108 public UpperBoundMatcher(Interval<V> range) {109 this.range = range;110 }111 /**112 * @see org.hamcrest.Matcher#matches(java.lang.Object)113 */114 @Override115 public boolean matches(Object item) {116 /*117 * This will store the "less than" and (possibly) "equal to"118 * comparisons.119 */120 Matcher<V> equalityMatcher;121 // We always need to perform a "greater than" comparison.122 equalityMatcher = new LessThanMatcher<V>(range.getVersionUpper());123 // Is an "equal to" comparison needed?124 if (range.getTypeUpper() == IntervalBoundaryType.OMITTED125 || range.getTypeUpper() == IntervalBoundaryType.INCLUSIVE) {126 /*127 * Note: An OMITTED bound is equivalent to an INCLUSIVE one.128 */129 equalityMatcher = CoreMatchers.either(equalityMatcher)130 .or(new EqualToMatcher<V>(range.getVersionUpper()));131 }132 return equalityMatcher.matches(item);133 }134 /**135 * @see org.hamcrest.SelfDescribing#describeTo(org.hamcrest.Description)136 */137 @Override138 public void describeTo(Description description) {139 throw new UnsupportedOperationException();140 }141 }142 /**143 * This {@link org.hamcrest.Matcher} verifies that one {@link Version} is144 * equal/equivalent to another.145 * 146 * @param <V>147 * the {@link Version} implementation that will be checked148 */149 private static final class EqualToMatcher<V extends Version> extends BaseMatcher<V> {150 private final V boundingVersion;151 /**152 * Constructor.153 * 154 * @param boundingVersion155 * the bounding {@link Version} that other {@link Version}s156 * will be compared against, or <code>null</code> to157 * represent "any version"158 */159 public EqualToMatcher(V boundingVersion) {160 this.boundingVersion = boundingVersion;161 }162 /**163 * @see org.hamcrest.Matcher#matches(java.lang.Object)164 */165 @Override166 public boolean matches(Object item) {167 if (!(item instanceof Version))168 throw new IllegalArgumentException();169 Version version = (Version) item;170 if (boundingVersion != null)171 return version.compareTo(boundingVersion) == 0;172 else173 return true;174 }175 /**176 * @see org.hamcrest.SelfDescribing#describeTo(org.hamcrest.Description)177 */178 @Override179 public void describeTo(Description description) {180 throw new UnsupportedOperationException();181 }182 }183 /**184 * This {@link org.hamcrest.Matcher} verifies that one {@link Version} is185 * less/lower than another.186 * 187 * @param <V>188 * the {@link Version} implementation that will be checked189 */190 private static final class LessThanMatcher<V extends Version> extends BaseMatcher<V> {191 private final V boundingVersion;192 /**193 * Constructor.194 * 195 * @param boundingVersion196 * the bounding {@link Version} that other {@link Version}s197 * will be compared against, or <code>null</code> to198 * represent "any version"199 */200 public LessThanMatcher(V boundingVersion) {201 this.boundingVersion = boundingVersion;202 }203 /**204 * @see org.hamcrest.Matcher#matches(java.lang.Object)205 */206 @Override207 public boolean matches(Object item) {208 if (!(item instanceof Version))209 throw new IllegalArgumentException();210 Version version = (Version) item;211 if (boundingVersion != null)212 return version.compareTo(boundingVersion) < 0;213 else214 return true;215 }216 /**217 * @see org.hamcrest.SelfDescribing#describeTo(org.hamcrest.Description)218 */219 @Override220 public void describeTo(Description description) {221 throw new UnsupportedOperationException();222 }223 }224 /**225 * This {@link org.hamcrest.Matcher} verifies that one {@link Version} is226 * greater/higher than another.227 * 228 * @param <V>229 * the {@link Version} implementation that will be checked230 */231 private static final class GreaterThanMatcher<V extends Version> extends BaseMatcher<V> {232 private final V boundingVersion;233 /**234 * Constructor.235 * 236 * @param boundingVersion237 * the bounding {@link Version} that other {@link Version}s238 * will be compared against, or <code>null</code> to239 * represent "any version"240 */241 public GreaterThanMatcher(V boundingVersion) {242 this.boundingVersion = boundingVersion;243 }244 /**245 * @see org.hamcrest.Matcher#matches(java.lang.Object)...
Source:VariantMatchers.java
1package org.valdroz.vscript;2import com.google.common.base.Joiner;3import org.hamcrest.BaseMatcher;4import org.hamcrest.Description;5import java.math.BigDecimal;6import java.util.List;7public class VariantMatchers {8 public static org.hamcrest.Matcher<Variant> booleanOf(final boolean value) {9 return new BaseMatcher<Variant>() {10 @Override11 public boolean matches(Object item) {12 Variant v = (Variant) item;13 return v.isBoolean() && v.asBoolean() == value;14 }15 @Override16 public void describeTo(Description description) {17 description.appendText("is boolean variant of " + value);18 }19 };20 }21 public static org.hamcrest.Matcher<Variant> stringOf(final String value) {22 return new BaseMatcher<Variant>() {23 @Override24 public boolean matches(Object item) {25 Variant v = (Variant) item;26 return v.isString() && v.asString().equals(value);27 }28 @Override29 public void describeTo(Description description) {30 description.appendText("is string variant of " + value);31 }32 };33 }34 public static org.hamcrest.Matcher<Variant> numericOf(final double value) {35 return numericOf(BigDecimal.valueOf(value));36 }37 public static org.hamcrest.Matcher<Variant> numericOf(final long value) {38 return numericOf(BigDecimal.valueOf(value));39 }40 public static org.hamcrest.Matcher<Variant> numericOf(final BigDecimal value) {41 return new BaseMatcher<Variant>() {42 @Override43 public boolean matches(Object item) {44 Variant v = (Variant) item;45 return v.isNumeric() && v.asNumeric().compareTo(value) == 0;46 }47 @Override48 public void describeTo(Description description) {49 description.appendText("is numeric variant of " + value);50 }51 };52 }53 public static org.hamcrest.Matcher<Variant> arrayOfSize(final int size) {54 return new BaseMatcher<Variant>() {55 @Override56 public boolean matches(Object item) {57 Variant v = (Variant) item;58 return v.isArray() && v.size() == size;59 }60 @Override61 public void describeTo(Description description) {62 description.appendText("is array variant of size " + size);63 }64 };65 }66 public static org.hamcrest.Matcher<Variant> arrayOf(final Variant... items) {67 return new BaseMatcher<Variant>() {68 @Override69 public boolean matches(Object item) {70 Variant v = (Variant) item;71 if (!v.isArray()) {72 return false;73 }74 List<Variant> variantList = v.asArray();75 if (variantList.size() != items.length) {76 return false;77 }78 for (int i = 0; i < variantList.size(); ++i) {79 if (variantList.get(i).compareTo(items[i]) != 0) {80 return false;81 }82 }83 return true;84 }85 @Override86 public void describeTo(Description description) {87 description.appendText("is array variant of [" + Joiner.on(", ").join(items) + "]");88 }89 };90 }91 public static org.hamcrest.Matcher<Variant> nullVariant() {92 return new BaseMatcher<Variant>() {93 @Override94 public boolean matches(Object item) {95 Variant v = (Variant) item;96 return v.isNull();97 }98 @Override99 public void describeTo(Description description) {100 description.appendText("is null variant");101 }102 };103 }104}...
Source:Matchers.java
1package ru.dorofeev.sandbox.quartzworkflow.tests.utils;23import org.hamcrest.BaseMatcher;4import org.hamcrest.Description;5import rx.Observable;6import rx.functions.Func1;78import java.util.Date;9import java.util.List;10import java.util.Optional;1112import static java.lang.Math.abs;1314public class Matchers {1516 public static <T> org.hamcrest.Matcher<Optional<T>> present() {17 return new BaseMatcher<Optional<T>>() {18 @Override19 public boolean matches(Object item) {20 @SuppressWarnings("unchecked")21 Optional<T> optional = (Optional<T>)item;2223 return optional.isPresent();24 }2526 @Override27 public void describeTo(Description description) {28 }29 };30 }3132 public static org.hamcrest.Matcher<Date> equalToCurrentTimeWithin(long precision) {33 return new BaseMatcher<Date>() {3435 private Long currentTime;3637 @Override38 public boolean matches(Object item) {39 Date date = (Date) item;40 currentTime = System.currentTimeMillis();41 long difference = date.getTime() - currentTime;42 return abs(difference) <= precision;43 }4445 @Override46 public void describeTo(Description description) {47 description.appendText(currentTime.toString());48 }4950 @Override51 public void describeMismatch(Object item, Description description) {52 Date date = (Date) item;53 description54 .appendText(Long.toString(date.getTime()))55 .appendText(" (").appendText(Long.toString(abs(date.getTime() - currentTime)))56 .appendText(" ms)");57 }58 };59 }6061 public static org.hamcrest.Matcher<Long> equalToWithin(long expectedValue, long precision) {62 return new BaseMatcher<Long>() {6364 @Override65 public boolean matches(Object item) {66 Long value = (Long) item;67 long difference = value - expectedValue;68 return abs(difference) <= precision;69 }7071 @Override72 public void describeTo(Description description) {73 description.appendText(Long.toString(expectedValue));74 }7576 @Override77 public void describeMismatch(Object item, Description description) {78 Long value = (Long) item;79 description80 .appendText(Long.toString(value))81 .appendText(" (").appendText(Long.toString(abs(value - expectedValue)))82 .appendText(")");83 }84 };85 }8687 public static <T> org.hamcrest.Matcher<Observable<T>> hasOnlyOneItem() {88 return hasOnlyOneItem(null, item -> true);89 }9091 @SuppressWarnings("WeakerAccess")92 public static <T> org.hamcrest.Matcher<Observable<T>> hasOnlyOneItem(String descr, Func1<? super T, Boolean> predicate) {93 return new BaseMatcher<Observable<T>>() {94 @Override95 public boolean matches(Object item) {96 List<T> list = getList(item);97 System.out.println(list);98 return list.size() == 1;99 }100101 @Override102 public void describeTo(Description description) {103 description.appendText("only one item");104 if (descr != null)105 description.appendText(" ").appendText(descr);106 }107
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Source:CustomMatchers.java
1/**2 * 3 */4package xapn.testing.junit.hamcrest.customized;5import org.hamcrest.BaseMatcher;6import org.hamcrest.Description;7import org.hamcrest.Matcher;8/**9 * Custom Matchers.10 * All the below custom matchers extends the {@link org.hamcrest.BaseMatcher}11 * class.12 * 13 * @author Xavier Pigeon14 */15public class CustomMatchers {16 17 /**18 * From this article: "Simplifier les assertions JUnit et améliorer vos19 * tests", seen at this <a href=20 * "http://blog.xebia.fr/2008/04/02/simplifier-les-assertions-junit-et-ameliorer-vos-tests/"21 * >URL</a>22 * 23 * @param values the expected values24 * @return a {@link org.hamcrest.BaseMatcher} object25 */26 public static <T> Matcher<T> in(final T... values) {27 return new BaseMatcher<T>() {28 29 @Override30 public void describeTo(Description desc) {31 desc.appendText(" in ").appendValue(values);32 }33 34 @Override35 public boolean matches(Object object) {36 // values can never be null !37 // When passing a null value, the JVM creates a 1-length array38 // containing a null.39 if (values.length == 0) {40 throw new IllegalStateException("in(...) matcher expects a non-empty values argument");41 } else if (object == null) {42 for (T value : values) {43 if (value == null) {44 return true;45 }46 }47 return false;48 } else {49 for (T value : values) {50 if (object.equals(value)) {51 return true;52 }53 }54 return false;55 }56 }57 };58 }59 60 /**61 * Test if an object is equal to the expected one.62 * 63 * @param expected the expected object64 * @return a {@link org.hamcrest.BaseMatcher} object65 */66 public static <T> Matcher<T> stringIsEqualTo(final T expected) {67 68 return new BaseMatcher<T>() {69 70 protected T theExpected = expected;71 72 @Override73 public void describeTo(Description description) {74 description.appendText(theExpected.toString());75 }76 77 @Override78 public boolean matches(Object o) {79 return theExpected.equals(o);80 }81 };82 }...
Source:IsArrayTest.java
1package org.hamcrest.collection;2import org.hamcrest.AbstractMatcherTest;3import org.hamcrest.BaseMatcher;4import org.hamcrest.Description;5import org.hamcrest.Matcher;6import static org.hamcrest.collection.IsArray.array;7import static org.hamcrest.core.IsEqual.equalTo;8@SuppressWarnings("unchecked")9public class IsArrayTest extends AbstractMatcherTest {10 @Override11 protected Matcher<?> createMatcher() {12 return array(equalTo("irrelevant"));13 }14 public void testMatchesAnArrayThatMatchesAllTheElementMatchers() {15 assertMatches("should match array with matching elements",16 array(equalTo("a"), equalTo("b"), equalTo("c")), new String[]{"a", "b", "c"});17 }18 19 public void testDoesNotMatchAnArrayWhenElementsDoNotMatch() {20 assertDoesNotMatch("should not match array with different elements",21 array(equalTo("a"), equalTo("b")), new String[]{"b", "c"});22 }23 24 public void testDoesNotMatchAnArrayOfDifferentSize() {25 assertDoesNotMatch("should not match larger array",26 array(equalTo("a"), equalTo("b")), new String[]{"a", "b", "c"});27 assertDoesNotMatch("should not match smaller array",28 array(equalTo("a"), equalTo("b")), new String[]{"a"});29 }30 31 public void testDoesNotMatchNull() {32 assertDoesNotMatch("should not match null",33 array(equalTo("a")), null);34 }35 36 public void testHasAReadableDescription() {37 assertDescription("[\"a\", \"b\"]", array(equalTo("a"), equalTo("b")));38 }39 40 public void testHasAReadableMismatchDescriptionUsing() {41 assertMismatchDescription("element <0> was \"c\"", array(equalTo("a"), equalTo("b")), new String[]{"c", "b"});42 }43 44 public void testHasAReadableMismatchDescriptionUsingCustomMatchers() {45 final BaseMatcher<String> m = new BaseMatcher<String>() {46 @Override public boolean matches(Object item) { return false; }47 @Override public void describeTo(Description description) { description.appendText("c"); }48 @Override public void describeMismatch(Object item, Description description) {49 description.appendText("didn't match");50 }51 };52 assertMismatchDescription("element <0> didn't match", array(m, equalTo("b")), new String[]{"c", "b"});53 }54}...
Source:ResultMatchers.java
1package org.junit.experimental.results;2import org.hamcrest.BaseMatcher;3import org.hamcrest.Description;4import org.hamcrest.Matcher;5import org.hamcrest.TypeSafeMatcher;6public class ResultMatchers {7 public static Matcher<PrintableResult> isSuccessful() {8 return failureCountIs(0);9 }10 public static Matcher<PrintableResult> failureCountIs(final int count) {11 return new TypeSafeMatcher<PrintableResult>() {12 /* class org.junit.experimental.results.ResultMatchers.AnonymousClass1 */13 @Override // org.hamcrest.SelfDescribing14 public void describeTo(Description description) {15 description.appendText("has " + count + " failures");16 }17 public boolean matchesSafely(PrintableResult item) {18 return item.failureCount() == count;19 }20 };21 }22 public static Matcher<Object> hasSingleFailureContaining(final String string) {23 return new BaseMatcher<Object>() {24 /* class org.junit.experimental.results.ResultMatchers.AnonymousClass2 */25 @Override // org.hamcrest.Matcher26 public boolean matches(Object item) {27 return item.toString().contains(string) && ResultMatchers.failureCountIs(1).matches(item);28 }29 @Override // org.hamcrest.SelfDescribing30 public void describeTo(Description description) {31 description.appendText("has single failure containing " + string);32 }33 };34 }35 public static Matcher<PrintableResult> hasFailureContaining(final String string) {36 return new BaseMatcher<PrintableResult>() {37 /* class org.junit.experimental.results.ResultMatchers.AnonymousClass3 */38 @Override // org.hamcrest.Matcher39 public boolean matches(Object item) {40 return item.toString().contains(string);41 }42 @Override // org.hamcrest.SelfDescribing43 public void describeTo(Description description) {44 description.appendText("has failure containing " + string);45 }46 };47 }48}...
Source:DescribedAs.java
1package org.hamcrest.core;2import java.util.regex.Pattern;3import org.hamcrest.BaseMatcher;4import org.hamcrest.Description;5import org.hamcrest.Matcher;6public class DescribedAs<T> extends BaseMatcher<T> {7 private static final Pattern ARG_PATTERN = Pattern.compile("%([0-9]+)");8 private final String descriptionTemplate;9 private final Matcher<T> matcher;10 private final Object[] values;11 public DescribedAs(String descriptionTemplate2, Matcher<T> matcher2, Object[] values2) {12 this.descriptionTemplate = descriptionTemplate2;13 this.matcher = matcher2;14 this.values = (Object[]) values2.clone();15 }16 @Override // org.hamcrest.Matcher17 public boolean matches(Object o) {18 return this.matcher.matches(o);19 }20 @Override // org.hamcrest.SelfDescribing21 public void describeTo(Description description) {22 java.util.regex.Matcher arg = ARG_PATTERN.matcher(this.descriptionTemplate);23 int textStart = 0;24 while (arg.find()) {25 description.appendText(this.descriptionTemplate.substring(textStart, arg.start()));26 description.appendValue(this.values[Integer.parseInt(arg.group(1))]);27 textStart = arg.end();28 }29 if (textStart < this.descriptionTemplate.length()) {30 description.appendText(this.descriptionTemplate.substring(textStart));31 }32 }33 @Override // org.hamcrest.BaseMatcher, org.hamcrest.Matcher34 public void describeMismatch(Object item, Description description) {35 this.matcher.describeMismatch(item, description);36 }37 public static <T> Matcher<T> describedAs(String description, Matcher<T> matcher2, Object... values2) {38 return new DescribedAs(description, matcher2, values2);39 }40}...
Source:Is.java
1package org.hamcrest.core;2import org.hamcrest.BaseMatcher;3import org.hamcrest.Description;4import org.hamcrest.Matcher;5public class Is<T> extends BaseMatcher<T> {6 private final Matcher<T> matcher;7 public Is(Matcher<T> matcher2) {8 this.matcher = matcher2;9 }10 @Override // org.hamcrest.Matcher11 public boolean matches(Object arg) {12 return this.matcher.matches(arg);13 }14 @Override // org.hamcrest.SelfDescribing15 public void describeTo(Description description) {16 description.appendText("is ").appendDescriptionOf(this.matcher);17 }18 @Override // org.hamcrest.BaseMatcher, org.hamcrest.Matcher19 public void describeMismatch(Object item, Description mismatchDescription) {20 this.matcher.describeMismatch(item, mismatchDescription);21 }22 public static <T> Matcher<T> is(Matcher<T> matcher2) {23 return new Is(matcher2);24 }25 public static <T> Matcher<T> is(T value) {26 return is(IsEqual.equalTo(value));27 }28 public static <T> Matcher<T> isA(Class<T> type) {29 return is((Matcher) IsInstanceOf.instanceOf(type));30 }31}...
BaseMatcher
Using AI Code Generation
1import org.hamcrest.BaseMatcher;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4import org.junit.Test;5import static org.hamcrest.CoreMatchers.is;6import static org.hamcrest.CoreMatchers.not;7import static org.junit.Assert.assertThat;8public class HamcrestBaseMatcherTest {9 public void testBaseMatcher() {10 Matcher<String> matcher = new BaseMatcher<String>() {11 public boolean matches(Object item) {12 return item.toString().length() > 5;13 }14 public void describeTo(Description description) {15 description.appendText("length should be greater than 5");16 }17 };18 assertThat("123456", is(matcher));19 assertThat("12345", is(not(matcher)));20 }21}22Hamcrest allOf() Matcher23import org.hamcrest.CoreMatchers;24import org.hamcrest.Matcher;25import org.junit.Test;26import static org.hamcrest.CoreMatchers.allOf;27import static org.hamcrest.CoreMatchers.is;28import static org.hamcrest.CoreMatchers.not;29import static org.hamcrest.CoreMatchers.startsWith;30import static org.junit.Assert.assertThat;31public class HamcrestAllOfTest {32 public void testAllOf() {33 Matcher<String> matcher = allOf(startsWith("J"), is(not("JUnit")), is("Junit"));34 assertThat("Junit", is(matcher));35 }36}37Hamcrest anyOf() Matcher38import org.hamcrest.CoreMatchers;39import org.hamcrest.Matcher;40import org.junit.Test;41import
BaseMatcher
Using AI Code Generation
1import org.hamcrest.BaseMatcher;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4import org.junit.Test;5import static org.hamcrest.CoreMatchers.is;6import static org.junit.Assert.assertThat;7import static org.junit.matchers.JUnitMatchers.containsString;8public class HamcrestTest {9 public void testAssertThatBothContainsStringAndIs() {10 assertThat("albumen", both(containsString("a")).and(containsString("b")));11 assertThat("albumen", both(containsString("a")).and(is("albumen")));12 }13 public void testAssertThatHasItems() {14 assertThat(new String[]{"fun", "ban", "net"}, hasItems("fun", "ban"));15 }16 public void testAssertThatEveryItem() {17 assertThat(new String[]{"fun", "ban", "net"}, everyItem(containsString("n")));18 }19 public void testAssertThatAnyOf() {20 assertThat("fun", anyOf(is("fun"), is("ban")));21 }22 public void testAssertThatAny() {23 assertThat(new String[]{"fun", "ban", "net"}, any(containsString("a")));24 }25 public void testAssertThatAllOf() {26 assertThat("fun", allOf(containsString("f"), containsString("n")));27 }28 public void testAssertThatIs() {29 assertThat("fun", is("fun"));30 }31 public void testAssertThatIsNot() {32 assertThat("fun", is(not("ban")));33 }34 public void testAssertThatIsSame() {35 Integer aNumber = Integer.valueOf(768);36 assertThat(aNumber, is(sameInstance(aNumber)));37 }38 public void testAssertThatIsNotSame() {39 assertThat(Integer.valueOf(768), is(not(sameInstance(Integer.valueOf(768)))));40 }41 public void testAssertThatIsInstance() {42 assertThat(new Object(), is(instanceOf(Object.class)));43 }44 public void testAssertThatIsNotInstance() {45 assertThat(new Object(), is(not(instanceOf(String.class))));46 }47 public void testAssertThatIsNotSameAs() {48 Integer aNumber = Integer.valueOf(768);49 assertThat(aNumber, is(not(s
BaseMatcher
Using AI Code Generation
1import org.hamcrest.BaseMatcher;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4import org.junit.Test;5import static org.hamcrest.CoreMatchers.*;6import static org.hamcrest.MatcherAssert.assertThat;7public class MatcherTest {8 public void testAssertThatBothContainsString() {9 String str1 = "Junit is working fine";10 String str2 = "working fine";11 assertThat(str1, both(containsString("Junit")).and(containsString("fine")));12 assertThat(str1, containsString(str2));13 }14 public void testAssertThatHasItems() {15 assertThat(Arrays.asList("one", "two", "three"), hasItems("one", "three"));16 }17 public void testAssertThatEveryItemContainsString() {18 assertThat(Arrays.asList(new String[]{"fun", "ban", "net"}), everyItem(containsString("n")));19 }20 public void testAssertThatArrayContainsInAnyOrder() {21 Integer[] marks = {1, 2, 3};22 assertThat(marks, arrayContainingInAnyOrder(2, 1, 3));23 }24 public void testAssertThatStringStartsWith() {25 assertThat("abcdefg", startsWith("abc"));26 }27 public void testAssertThatStringEndsWith() {28 assertThat("abcdefg", endsWith("efg"));29 }30 public void testAssertThatStringMatches() {31 assertThat("abcd", matchesPattern("a.*"));32 }33 public void testAssertThatStringEquals() {34 assertThat("abcd", equalTo("abcd"));35 }36 public void testAssertThatStringIs() {37 assertThat("abcd", is("abcd"));38 }39 public void testAssertThatStringIsNot() {40 assertThat("abcd", is(not("efg")));41 }42 public void testAssertThatStringIsSame() {43 String str1 = "abcd";44 String str2 = "abcd";45 assertThat(str1, is(str2));46 }47 public void testAssertThatStringIsNotSame() {48 String str1 = "abcd";49 String str2 = "efg";50 assertThat(str1, is(not(str2)));51 }
BaseMatcher
Using AI Code Generation
1import org.hamcrest.BaseMatcher;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4import org.junit.Test;5import static org.hamcrest.Matchers.*;6import static org.junit.Assert.assertThat;7public class HamcrestBaseMatcherTest {8 public void testBaseMatcher() {9 Matcher<String> matcher = new BaseMatcher<String>() {10 public boolean matches(Object o) {11 return o.toString().startsWith("H");12 }13 public void describeTo(Description description) {14 description.appendText("should start with H");15 }16 };17 assertThat("Hello", matcher);18 assertThat("World", not(matcher));19 }20}
BaseMatcher
Using AI Code Generation
1import org.hamcrest.BaseMatcher;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4import org.junit.Test;5import java.util.Arrays;6import java.util.List;7import static org.hamcrest.MatcherAssert.assertThat;8public class HamcrestBaseMatcherTest {9 public void testBaseMatcher() {10 List<String> actualList = Arrays.asList("one", "two", "three");11 List<String> expectedList = Arrays.asList("one", "two", "three");12 assertThat(actualList, new BaseMatcher<List<String>>() {13 public boolean matches(Object o) {14 return o instanceof List && expectedList.equals(o);15 }16 public void describeTo(Description description) {17 description.appendText("Lists should be equal");18 }19 });20 }21}22In this tutorial, we will learn about Hamcrest Base Matcher. Hamcrest is a framework for writing matcher objects allowing ‘match’ rules to be defined declaratively. Hamcrest provides a library of matcher objects (also known as constraints or predicates). It is a framework for writing matcher objects allowing match rules to be defined declaratively. It is used in unit testing frameworks like JUnit, TestNG, etc. It is a library of matcher objects (also known as constraints or predicates). It is used in unit testing frameworks like JUnit, TestNG, etc. It is a framework for writing matcher objects allowing match rules to be defined declaratively. It is used in unit testing frameworks like JUnit, TestNG, etc. It is a library of matcher objects (also known as constraints or predicates). It is used in unit testing frameworks like JUnit, TestNG, etc. It is a framework for writing matcher objects allowing match rules to be defined declaratively. It is used in unit testing frameworks like JUnit, TestNG, etc. It is a library of matcher objects (also known as constraints or predicates). It is used in unit testing frameworks like JUnit, TestNG, etc. It is a framework for writing matcher objects allowing match rules to be defined declaratively. It is used in unit testing frameworks like JUnit,
BaseMatcher
Using AI Code Generation
1import org.hamcrest.BaseMatcher;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4import org.hamcrest.StringDescription;5import org.junit.Assert;6import org.junit.Test;7public class CustomMatcherTest {8 public void testCustomMatcher() {9 Matcher matcher = new BaseMatcher() {10 public boolean matches(Object o) {11 return o.equals("test");12 }13 public void describeTo(Description description) {14 description.appendText("should be test");15 }16 };17 Assert.assertThat("test", matcher);18 Assert.assertThat("test", new CustomMatcher());19 Assert.assertThat("test", new CustomMatcher("should be test"));20 }21 public void testCustomMatcherWithDescription() {22 Matcher matcher = new BaseMatcher() {23 public boolean matches(Object o) {24 return o.equals("test");25 }26 public void describeTo(Description description) {27 description.appendText("should be test");28 }29 };30 Description description = new StringDescription();31 matcher.describeTo(description);32 System.out.println(description.toString());33 }34}35import org.hamcrest.BaseMatcher;36import org.hamcrest.Description;37import org.hamcrest.Matcher;38import org.hamcrest.StringDescription;39import org.junit.Assert;40import org.junit.Test;41public class CustomMatcherTest {42 public void testCustomMatcher() {43 Matcher matcher = new CustomMatcher();44 Assert.assertThat("test", matcher);45 Assert.assertThat("test", new CustomMatcher());46 Assert.assertThat("test", new CustomMatcher("should be test"));47 }48 public void testCustomMatcherWithDescription() {49 Matcher matcher = new CustomMatcher();50 Description description = new StringDescription();51 matcher.describeTo(description);52 System.out.println(description.toString());53 }54}55import org.hamcrest.BaseMatcher;56import org.hamcrest.Description;57import org.hamcrest.Matcher;58import org.hamcrest.StringDescription;59import org.junit.Assert;60import org.junit.Test;61public class CustomMatcherTest {62 public void testCustomMatcher() {63 Matcher matcher = new CustomMatcher();64 Assert.assertThat("test", matcher);65 Assert.assertThat("test", new CustomMatcher());66 Assert.assertThat("test", new CustomMatcher("should be test"));67 }
BaseMatcher
Using AI Code Generation
1import org.hamcrest.Description;2import org.hamcrest.Matcher;3import org.hamcrest.TypeSafeMatcher;4public class LengthMatcher extends TypeSafeMatcher<String> {5 private int length;6 public LengthMatcher(int length) {7 this.length = length;8 }9 public void describeTo(Description description) {10 description.appendText("string of length ").appendValue(length);11 }12 protected boolean matchesSafely(String item) {13 return item.length() == length;14 }15 protected void describeMismatchSafely(String item, Description mismatchDescription) {16 mismatchDescription.appendText("was string of length ").appendValue(item.length());17 }18 public static Matcher<String> stringLength(int length) {19 return new LengthMatcher(length);20 }21}
BaseMatcher
Using AI Code Generation
1import org.hamcrest.BaseMatcher;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4public class StringMatcher extends BaseMatcher<String> {5 public boolean matches(Object o) {6 String url = (String) o;7 }8 public void describeTo(Description description) {9 description.appendText("should be a valid URL");10 }11 public static Matcher<String> isValidUrl() {12 return new StringMatcher();13 }14}15import org.junit.Test;16import static org.hamcrest.CoreMatchers.is;17import static org.hamcrest.MatcherAssert.assertThat;18public class StringMatcherTest {19 public void testIsValidUrl() {20 assertThat(url, is(StringMatcher.isValidUrl()));21 }22}
1// open the first tab2driver.get("https://www.google.com");3Thread.sleep(2000);45// open the second tab6driver.findElement(By.cssSelector("body")).sendKeys(Keys.CONTROL + "t");7driver.get("https://www.google.com");8Thread.sleep(2000);910// switch to the previous tab11driver.findElement(By.cssSelector("body")).sendKeys(Keys.CONTROL + "" + Keys.SHIFT + "" + Keys.TAB);12Thread.sleep(2000);13
Source:Why insist all implementations of an interface extend a base class?
// open the first tab
driver.get("https://www.google.com");
Thread.sleep(2000);
// open the second tab
driver.findElement(By.cssSelector("body")).sendKeys(Keys.CONTROL + "t");
driver.get("https://www.google.com");
Thread.sleep(2000);
// switch to the previous tab
driver.findElement(By.cssSelector("body")).sendKeys(Keys.CONTROL + "" + Keys.SHIFT + "" + Keys.TAB);
Thread.sleep(2000);
1// opens the default browser tab with the first webpage2driver.get("the url 1");3thread.sleep(2000);45// opens the second tab6driver.findElement(By.cssSelector("Body")).sendKeys(Keys.COMMAND + "t");7driver.get("the url 2");8Thread.sleep(2000);910// comes back to the first tab11driver.findElement(By.cssSelector("Body")).sendKeys(Keys.COMMAND, Keys.SHIFT, "{");12Source:How to force implementation of a method in subclass without using abstract?
// opens the default browser tab with the first webpage
driver.get("the url 1");
thread.sleep(2000);
// opens the second tab
driver.findElement(By.cssSelector("Body")).sendKeys(Keys.COMMAND + "t");
driver.get("the url 2");
Thread.sleep(2000);
// comes back to the first tab
driver.findElement(By.cssSelector("Body")).sendKeys(Keys.COMMAND, Keys.SHIFT, "{");
1String parentHandle = driverObj.getWindowHandle();2public String switchTab(String parentHandle){3 String currentHandle ="";4 Set<String> win = ts.getDriver().getWindowHandles(); 56 Iterator<String> it = win.iterator();7 if(win.size() > 1){8 while(it.hasNext()){9 String handle = it.next();10 if (!handle.equalsIgnoreCase(parentHandle)){11 ts.getDriver().switchTo().window(handle);12 currentHandle = handle;13 }14 }15 }16 else{17 System.out.println("Unable to switch");18 }19 return currentHandle;20}21Source:Standard way to capture arguments in JMock
String parentHandle = driverObj.getWindowHandle();
public String switchTab(String parentHandle){
String currentHandle ="";
Set<String> win = ts.getDriver().getWindowHandles();
Iterator<String> it = win.iterator();
if(win.size() > 1){
while(it.hasNext()){
String handle = it.next();
if (!handle.equalsIgnoreCase(parentHandle)){
ts.getDriver().switchTo().window(handle);
currentHandle = handle;
}
}
}
else{
System.out.println("Unable to switch");
}
return currentHandle;
}
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