How to use asBase64Encoded method of org.assertj.core.api.AbstractByteArrayAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractByteArrayAssert.asBase64Encoded

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...1263 * Encodes the actual array into a Base64 string, the encoded string becoming the new object under test.1264 * <p>1265 * Examples:1266 * <pre><code class='java'> /​/​ assertion succeeds1267 * assertThat("AssertJ".getBytes()).asBase64Encoded().isEqualTo(&quot;QXNzZXJ0Sg==&quot;);</​code></​pre>1268 *1269 * @return a new {@link StringAssert} instance whose string under test is the result of the encoding.1270 * @throws AssertionError if the actual value is {@code null}.1271 *1272 * @since 3.22.01273 */​1274 @CheckReturnValue1275 public AbstractStringAssert<?> asBase64Encoded() {1276 objects.assertNotNull(info, actual);1277 return new StringAssert(Base64.getEncoder().encodeToString(actual)).withAssertionState(myself);1278 }1279 /​**1280 * @deprecated use {@link #asBase64Encoded()} instead.1281 * <p>1282 * Encodes the actual array into a Base64 string, the encoded string becoming the new object under test.1283 * <p>1284 * Examples:1285 * <pre><code class='java'> /​/​ assertion succeeds1286 * assertThat("AssertJ".getBytes()).encodedAsBase64().isEqualTo(&quot;QXNzZXJ0Sg==&quot;);</​code></​pre>1287 *1288 * @return a new {@link StringAssert} instance whose string under test is the result of the encoding.1289 * @throws AssertionError if the actual value is {@code null}.1290 *1291 * @since 3.16.01292 */​1293 @Deprecated1294 @CheckReturnValue1295 public AbstractStringAssert<?> encodedAsBase64() {1296 return asBase64Encoded();1297 }1298 private static byte[] toPrimitiveByteArray(Byte[] values) {1299 byte[] bytes = new byte[values.length];1300 range(0, values.length).forEach(i -> bytes[i] = values[i]);1301 return bytes;1302 }1303}...

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asBase64Encoded

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1import static org.assertj.core.api.Assertions.assertThat;2public class AssertJBase64EncodingTest {3 public void givenByteArray_whenAssertingBase64Encoding_thenCorrect() {4 byte[] byteArray = new byte[] { 0, 1, 2 };5 String base64String = "AAEC";6 assertThat(byteArray).asBase64Encoded().isEqualTo(base64String);7 }8}9 at org.junit.Assert.assertEquals(Assert.java:115)10 at org.junit.Assert.assertEquals(Assert.java:144)11 at org.assertj.core.internal.Objects.assertEqual(Objects.java:54)12 at org.assertj.core.internal.Objects.assertEqual(Objects.java:38)13 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:82)14 at com.baeldung.assertj.AssertJBase64EncodingTest.givenByteArray_whenAssertingBase64Encoding_thenCorrect(AssertJBase64EncodingTest.java:15)

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asBase64Encoded

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1import org.assertj.core.api.AbstractByteArrayAssert;2import java.util.Base64;3public class Base64EncodedByteArray extends AbstractByteArrayAssert<Base64EncodedByteArray> {4 public Base64EncodedByteArray(byte[] actual) {5 super(actual, Base64EncodedByteArray.class);6 }7 public static Base64EncodedByteArray assertThat(byte[] actual) {8 return new Base64EncodedByteArray(actual);9 }10 public Base64EncodedByteArray asBase64Encoded() {11 isNotNull();12 String base64EncodedString = Base64.getEncoder().encodeToString(actual);13 return new Base64EncodedByteArray(base64EncodedString.getBytes());14 }15}16import org.junit.Test;17import static org.assertj.core.api.Assertions.assertThat;18import static org.assertj.core.api.Assertions.assertThatThrownBy;19public class Base64EncodedByteArrayTest {20 public void shouldConvertByteArrayToBase64EncodedString() {21 byte[] actual = new byte[] { 1, 2, 3 };22 byte[] expected = "AQID".getBytes();23 assertThat(Base64EncodedByteArray.assertThat(actual).asBase64Encoded()).isEqualTo(expected);24 }25 public void shouldThrowExceptionWhenArrayIsNull() {26 byte[] actual = null;27 assertThatThrownBy(() -> Base64EncodedByteArray.assertThat(actual).asBase64Encoded())28 .isInstanceOf(AssertionError.class)29 .hasMessage("Expecting actual not to be null");30 }31}32 at org.junit.Assert.assertEquals(Assert.java:115)33 at org.junit.Assert.assertEquals(Assert.java:144)34 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:65)35 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:80)36 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:30)37 at org.assertj.core.api.AbstractByteArrayAssert.isEqualTo(AbstractByteArrayAssert.java:43)38 at com.baeldung.customassertion.Base64EncodedByteArrayTest.shouldConvertByteArrayToBase64EncodedString(Base64EncodedByteArrayTest.java:12)39In this article, we have seen how to create a custom assertion in AssertJ. We have also seen how to use thi asBase64Encoded() methods test is shown below:40org.assertj.core.api.AbstractByteArrayAssertTest > testBase64Encoded() PASSED

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asBase64Encoded

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1import org.assertj.core.api.AbstractByteArrayAssert;2import java.util.Base64;3public class Base64EncodedByteArray extends AbstractByteArrayAssert<Base64EncodedByteArray> {4 public Base64EncodedByteArray(byte[] actual) {5 super(actual, Base64EncodedByteArray.class);6 }7 public static Base64EncodedByteArray assertThat(byte[] actual) {8 return new Base64EncodedByteArray(actual);9 }10 public Base64EncodedByteArray asBase64Encoded() {11 isNotNull();12 String base64EncodedString = Base64.getEncoder().encodeToString(actual);13 return new Base64EncodedByteArray(base64EncodedString.getBytes());14 }15}16import org.junit.Teadecimal method of org.assertj.core.api.AbstractByteArrayAssert

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asBase64Encoded

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatThrownBy;3public class Base64EncodedByteArrayTest {4 public void shouldConvertByteArrayToBase64EncodedString() {5 byte[] actual = new byte[] { 1, 2, 3 };6 byte[] expected = "AQID".getBytes();7 assertThat(Base64EncodedByteArray.assertThat(actual).asBase64Encoded()).isEqualTo(expected);8 }9 public void shouldThrowExceptionWhenArrayIsNull() {10 byte[] actual = null;11 assertThatThrownBy(() -> Base64EncodedByteArray.assertThat(actual).asBase64Encoded())12 .isInstanceOf(AssertionError.class)13 .hasMessage("Expecting actual not to be null");14 }15}16 at org.junit.Assert.assertEquals(Assert.java:115)17 at org.junit.Assert.assertEquals(Assert.java:144)18 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:65)19 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:80)20 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:30)21 at org.assertj.core.api.AbstractByteArrayAssert.isEqualTo(AbstractByteArrayAssert.java:43)22 at com.baeldung.customassertion.Base64EncodedByteArrayTest.shouldConvertByteArrayToBase64EncodedString(Base64EncodedByteArrayTest.java:12)23In this article, we have seen how to create a custom assertion in AssertJ. We have also seen how to use the asBase64Encoded() method

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