How to use appendDescriptionOf method of org.hamcrest.BaseDescription class

Best junit code snippet using org.hamcrest.BaseDescription.appendDescriptionOf

Source:BaseDescription.java Github

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...19/* 19 */ return this;20/* */ }21/* */ 22/* */ 23/* */ public Description appendDescriptionOf(SelfDescribing value) {24/* 24 */ value.describeTo(this);25/* 25 */ return this;26/* */ }27/* */ 28/* */ 29/* */ public Description appendValue(Object value) {30/* 30 */ if (value == null) {31/* 31 */ append("null");32/* 32 */ } else if (value instanceof String) {33/* 33 */ toJavaSyntax((String)value);34/* 34 */ } else if (value instanceof Character) {35/* 35 */ append('"');36/* 36 */ toJavaSyntax(((Character)value).charValue());37/* 37 */ append('"');38/* 38 */ } else if (value instanceof Short) {39/* 39 */ append('<');40/* 40 */ append(descriptionOf(value));41/* 41 */ append("s>");42/* 42 */ } else if (value instanceof Long) {43/* 43 */ append('<');44/* 44 */ append(descriptionOf(value));45/* 45 */ append("L>");46/* 46 */ } else if (value instanceof Float) {47/* 47 */ append('<');48/* 48 */ append(descriptionOf(value));49/* 49 */ append("F>");50/* 50 */ } else if (value.getClass().isArray()) {51/* 51 */ appendValueList("[", ", ", "]", (Iterator<?>)new ArrayIterator(value));52/* */ } else {53/* 53 */ append('<');54/* 54 */ append(descriptionOf(value));55/* 55 */ append('>');56/* */ } 57/* 57 */ return this;58/* */ }59/* */ 60/* */ private String descriptionOf(Object value) {61/* */ try {62/* 62 */ return String.valueOf(value);63/* */ }64/* 64 */ catch (Exception e) {65/* 65 */ return value.getClass().getName() + "@" + Integer.toHexString(value.hashCode());66/* */ } 67/* */ }68/* */ 69/* */ 70/* */ public <T> Description appendValueList(String start, String separator, String end, T... values) {71/* 71 */ return appendValueList(start, separator, end, Arrays.asList((Object[])values));72/* */ }73/* */ 74/* */ 75/* */ public <T> Description appendValueList(String start, String separator, String end, Iterable<T> values) {76/* 76 */ return appendValueList(start, separator, end, values.iterator());77/* */ }78/* */ 79/* */ private <T> Description appendValueList(String start, String separator, String end, Iterator<T> values) {80/* 80 */ return appendList(start, separator, end, (Iterator<? extends SelfDescribing>)new SelfDescribingValueIterator(values));81/* */ }82/* */ 83/* */ 84/* */ public Description appendList(String start, String separator, String end, Iterable<? extends SelfDescribing> values) {85/* 85 */ return appendList(start, separator, end, values.iterator());86/* */ }87/* */ 88/* */ private Description appendList(String start, String separator, String end, Iterator<? extends SelfDescribing> i) {89/* 89 */ boolean separate = false;90/* */ 91/* 91 */ append(start);92/* 92 */ while (i.hasNext()) {93/* 93 */ if (separate) append(separator); 94/* 94 */ appendDescriptionOf(i.next());95/* 95 */ separate = true;96/* */ } 97/* 97 */ append(end);98/* */ 99/* 99 */ return this;100/* */ }101/* */ 102/* */ 103/* */ 104/* */ 105/* */ 106/* */ 107/* */ protected void append(String str) {108/* 108 */ for (int i = 0; i < str.length(); i++) {...

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Source:StringDescription.java Github

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...8 public StringDescription(Appendable out2) {9 this.out = out2;10 }11 public static String toString(SelfDescribing selfDescribing) {12 return new StringDescription().appendDescriptionOf(selfDescribing).toString();13 }14 public static String asString(SelfDescribing selfDescribing) {15 return toString(selfDescribing);16 }17 /* access modifiers changed from: protected */18 @Override // org.hamcrest.BaseDescription19 public void append(String str) {20 try {21 this.out.append(str);22 } catch (IOException e) {23 throw new RuntimeException("Could not write description", e);24 }25 }26 /* access modifiers changed from: protected */...

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appendDescriptionOf

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1import org.hamcrest.BaseDescription2import org.hamcrest.Description3import org.hamcrest.Matcher4class CustomDescription extends BaseDescription {5 Description appendDescriptionOf(Matcher matcher) {6 return matcher.describeTo(this)7 }8}9def description = new CustomDescription()10assert description.appendText('hello').toString() == 'hello'11assert description.appendText('world').toString() == 'helloworld'12assert description.appendText('!').toString() == 'helloworld!'13assert description.appendDescriptionOf(1).toString() == 'helloworld!1'14assert description.appendDescriptionOf([1, 2, 3]).toString() == 'helloworld!1[1, 2, 3]'15assert description.appendDescriptionOf([1, 2, 3] as Set).toString() == 'helloworld!1[1, 2, 3]'16assert description.appendDescriptionOf([1, 2, 3] as List).toString() == 'helloworld!1[1, 2, 3]'17assert description.appendDescriptionOf([1, 2, 3] as Map).toString() == 'helloworld!1[1: 1, 2: 2, 3: 3]'18assert description.appendDescriptionOf([1, 2, 3] as Set).toString() == 'helloworld!1[1, 2, 3]'19assert description.appendDescriptionOf([1, 2, 3] as List).toString() == 'helloworld!1[1, 2, 3]'20assert description.appendDescriptionOf([1, 2, 3] as Map).toString() == 'helloworld!1[1: 1, 2: 2, 3: 3]'21assert description.appendDescriptionOf([1, 2, 3] as Set).toString() == 'helloworld!1[1, 2, 3]'22assert description.appendDescriptionOf([1, 2, 3] as List).toString() == 'helloworld!1[1, 2, 3]'23assert description.appendDescriptionOf([1, 2, 3] as Map).toString() == 'helloworld!1[1: 1, 2: 2, 3: 3]'24assert description.appendDescriptionOf([1, 2,

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appendDescriptionOf

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1public class AppendDescriptionOfMatcher extends BaseMatcher<String> {2 public boolean matches(Object o) {3 return o.toString().equals("Hello");4 }5 public void describeTo(Description description) {6 description.appendText("Hello");7 }8 public void describeMismatch(Object item, Description description) {9 description.appendText("Hello");10 description.appendDescriptionOf(new StringDescription().appendText("World"));11 }12}13public void testAppendDescriptionOf() {14 assertThat("Hello", new AppendDescriptionOfMatcher());15}

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appendDescriptionOf

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1import org.hamcrest.BaseDescription2import org.hamcrest.Description3import org.hamcrest.Matcher4import org.hamcrest.TypeSafeMatcher5class StringEndsWithMatcher extends TypeSafeMatcher<String> {6 StringEndsWithMatcher(String expectedSuffix) {7 }8 boolean matchesSafely(String item) {9 item.endsWith(expectedSuffix)10 }11 void describeTo(Description description) {12 description.appendText("a string ending with ").appendValue(expectedSuffix)13 }14 void describeMismatchSafely(String item, Description mismatchDescription) {15 mismatchDescription.appendText("was ").appendValue(item)16 }17}18def endsWith(String suffix) {19 new StringEndsWithMatcher(suffix)20}21def matcher = endsWith("suffix")22assert matcher.matches("ends with suffix")23assert !matcher.matches("ends with prefix")24assert matcher.describeTo(new BaseDescription() as Description).toString() == "a string ending with \"suffix\""25assert matcher.describeMismatch("ends with prefix", new BaseDescription() as Description).toString() == "was \"ends with prefix\""26assert matcher.toString() == "a string ending with \"suffix\""27import org.hamcrest.BaseDescription;28import org.hamcrest.Description;29import org.hamcrest.Matcher;30import org.hamcrest.TypeSafeMatcher;31public class StringEndsWithMatcher extends TypeSafeMatcher<String> {32 private String expectedSuffix;33 public StringEndsWithMatcher(String expectedSuffix) {34 this.expectedSuffix = expectedSuffix;35 }36 protected boolean matchesSafely(String item) {37 return item.endsWith(expectedSuffix);38 }39 public void describeTo(Description description) {40 description.appendText("a string ending with ").appendValue(expectedSuffix);41 }42 protected void describeMismatchSafely(String item, Description mismatchDescription) {43 mismatchDescription.appendText("was ").appendValue(item);44 }45}46public static Matcher<String> endsWith(String suffix) {47 return new StringEndsWithMatcher(suffix);

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appendDescriptionOf

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1import org.hamcrest.BaseDescription2import org.hamcrest.Description3import org.hamcrest.Matcher4import org.hamcrest.TypeSafeMatcher5import org.junit.Assert.assertThat6import org.junit.Test7class CustomMatcherTest {8 fun testCustomMatcher() {9 val matcher = object : TypeSafeMatcher<String>() {10 override fun describeTo(description: Description) {11 description.appendText("a string of length 5")12 }13 override fun matchesSafely(item: String): Boolean {14 }15 }16 assertThat("hello", matcher)17 }18}19import org.hamcrest.BaseDescription20import org.hamcrest.Description21import org.hamcrest.Matcher22import org.hamcrest.TypeSafeMatcher23import org.junit.Assert.assertThat24import org.junit.Test25class CustomMatcherTest {26 fun testCustomMatcher() {27 val matcher = object : TypeSafeMatcher<String>() {28 override fun describeTo(description: Description) {29 description.appendText("a string of length 5")30 description.appendText(" but was a string of length ")31 description.appendDescriptionOf(object : BaseDescription() {32 override fun appendTo(buffer: StringBuffer) {33 buffer.append("5")34 }35 })36 }37 override fun matchesSafely(item: String): Boolean {38 }39 }40 assertThat("hello", matcher)41 }42}

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