Best Assertj code snippet using org.assertj.core.internal.AbstractComparisonStrategy
Source:MessageFormatter.java
...13package org.assertj.core.error;14import static org.assertj.core.util.Preconditions.checkNotNull;15import static org.assertj.core.util.Strings.formatIfArgs;16import org.assertj.core.description.Description;17import org.assertj.core.internal.AbstractComparisonStrategy;18import org.assertj.core.presentation.Representation;19import org.assertj.core.util.VisibleForTesting;20/**21 * Formats the messages to be included in assertion errors.22 * 23 * @author Alex Ruiz24 */25public class MessageFormatter {26 private static final MessageFormatter INSTANCE = new MessageFormatter();27 public static MessageFormatter instance() {28 return INSTANCE;29 }30 @VisibleForTesting31 DescriptionFormatter descriptionFormatter = DescriptionFormatter.instance();32 @VisibleForTesting33 MessageFormatter() {34 }35 /**36 * Interprets a printf-style format {@code String} for failed assertion messages. It is similar to37 * <code>{@link String#format(String, Object...)}</code>, except for:38 * <ol>39 * <li>the value of the given <code>{@link Description}</code> is used as the first argument referenced in the format40 * string</li>41 * <li>each of the arguments in the given array is converted to a {@code String} by invoking42 * <code>{@link org.assertj.core.presentation.Representation#toStringOf(Object)}</code>.43 * </ol>44 * 45 * @param d the description of the failed assertion, may be {@code null}.46 * @param format the format string.47 * @param args arguments referenced by the format specifiers in the format string.48 * @throws NullPointerException if the format string is {@code null}.49 * @return A formatted {@code String}.50 */51 public String format(Description d, Representation p, String format, Object... args) {52 checkNotNull(format);53 checkNotNull(args);54 return descriptionFormatter.format(d) + formatIfArgs(format, format(p, args));55 }56 private Object[] format(Representation p, Object[] args) {57 int argCount = args.length;58 String[] formatted = new String[argCount];59 for (int i = 0; i < argCount; i++) {60 formatted[i] = asText(p, args[i]);61 }62 return formatted;63 }64 private String asText(Representation p, Object o) {65 if (o instanceof AbstractComparisonStrategy) {66 return ((AbstractComparisonStrategy) o).asText();67 }68 return p.toStringOf(o);69 }70}
AbstractComparisonStrategy
Using AI Code Generation
1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.error.BasicErrorMessageFactory;4import org.assertj.core.error.ErrorMessageFactory;5import org.assertj.core.internal.AbstractComparisonStrategy;6import org.assertj.core.internal.StandardComparisonStrategy;7public class CustomComparisonStrategy extends AbstractComparisonStrategy {8 protected boolean areEqual(Object actual, Object expected) {9 return false;10 }11 public void failComparing(Description description, Object actual, Object expected, ErrorMessageFactory failureMessage) {12 }13 public void failComparing(Description description, Object actual, Object expected, ErrorMessageFactory failureMessage, Throwable cause) {14 }15 public void failComparing(Description description, Object actual, Object expected, ErrorMessageFactory failureMessage, Object... args) {16 }17 public void failComparing(Description description, Object actual, Object expected, Object diff, ErrorMessageFactory failureMessage) {18 }19 public void failComparing(Description description, Object actual, Object expected, Object diff, ErrorMessageFactory failureMessage, Object... args) {20 }21 public void failComparing(Description description, Object actual, Object expected, Object diff, ErrorMessageFactory failureMessage, Throwable cause) {22 }23 public void failComparing(Description description, Object actual, Object expected, Object diff, ErrorMessageFactory failureMessage, Throwable cause, Object... args) {24 }25}26import static org.assertj.core.api.Assertions.assertThat;27public class CustomComparisonStrategyTest {28 public void test() {29 assertThat("foo").usingComparator(new CustomComparisonStrategy()).isEqualTo("bar");30 }31}
AbstractComparisonStrategy
Using AI Code Generation
1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.AbstractComparableAssert;3import org.assertj.core.api.AbstractObjectAssert;4import org.assertj.core.internal.AbstractComparisonStrategy;5import org.assertj.core.internal.ComparisonStrategy;6import org.assertj.core.internal.StandardComparisonStrategy;7import org.assertj.core.util.VisibleForTesting;8public abstract class AbstractAssert<S extends AbstractAssert<S, A>, A> {9 protected final A actual;10 protected final S myself;11 protected final ComparisonStrategy comparisonStrategy;12 protected final StandardComparisonStrategy standardComparisonStrategy;13 protected AbstractAssert(A actual, Class<?> selfType) {14 this.actual = actual;15 myself = selfType.cast(this);16 standardComparisonStrategy = StandardComparisonStrategy.instance();17 comparisonStrategy = standardComparisonStrategy;18 }19 protected AbstractAssert(A actual, S selfType) {20 this.actual = actual;21 myself = selfType;22 standardComparisonStrategy = StandardComparisonStrategy.instance();23 comparisonStrategy = standardComparisonStrategy;24 }25 protected AbstractAssert(A actual, S selfType, ComparisonStrategy comparisonStrategy) {26 this.actual = actual;27 myself = selfType;28 this.comparisonStrategy = comparisonStrategy;29 standardComparisonStrategy = StandardComparisonStrategy.instance();30 }31 * <pre><code class='java'> assertThat(employees).filteredOn("age", 800).containsOnly(yoda, obiwan);</code></pre>32 * In the above example, the {@code containsOnly} assertion fails because {@code luke} is also an employee of the33 * {@code JediOrder} and is of age 800. We can use {@code extracting} to get the age of the employees and then use34 * {@code containsOnly} to check that the age of the employees is 800:35 * <pre><code class='java'> assertThat(employees).filteredOn("age", 800).extracting("age").containsOnly(800);</code></pre>36 * Note that you can use {@link #extracting(String)} to extract multiple values from the actual
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