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How to use startsWith method of org.assertj.core.api.AbstractCharSequenceAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractCharSequenceAssert.startsWith

Source:HealthTest.java

...126      a.isEqualTo("Health{" + anyStatus + ", causes=[]}");127    } else if (randomCauses.size() == 1) {128      a.isEqualTo("Health{" + anyStatus + ", causes=[" + randomCauses.iterator().next() + "]}");129    } else {130      a.startsWith("Health{" + anyStatus + ", causes=[")131        .endsWith("]}")132        .contains(randomCauses);133    }134  }135  private void expectStatusNotNullNPE(ThrowingCallable shouldRaiseThrowable) {136    assertThatThrownBy(shouldRaiseThrowable)137      .isInstanceOf(NullPointerException.class)138      .hasMessageContaining("status can't be null");139  }140  private void expectCauseCannotBeEmptyIAE(ThrowingCallable shouldRaiseThrowable) {141    assertThatThrownBy(shouldRaiseThrowable)142      .isInstanceOf(IllegalArgumentException.class)143      .hasMessageContaining("cause can't be empty");144  }...

Source:OptionalAssert.java

...130   * Example :131   *132   * <pre><code class='java'> Optional&lt;String&gt; optional = Optional.of("Bill");133   *134   * assertThat(optional).extractingCharSequence().startsWith("Bi");</code></pre>135   *136   * @return a new {@link AbstractCharSequenceAssert} for assertions chaining on the content of the Optional.137   * @throws AssertionError if the actual {@link Optional} is {@code null}.138   * @throws AssertionError if the actual {@link Optional} contains a null instance.139   */140  public AbstractCharSequenceAssert<?, ? extends CharSequence> extractingCharSequence() {141    isPresent();142    assertThat(actual.get()).isInstanceOf(CharSequence.class);143    return assertThat((CharSequence) actual.get());144  }145}...

Source:ObjectAssert_extracting_with_Function_and_InstanceOfAssertFactory_Test.java

...62  void should_pass_allowing_type_narrowed_assertions_on_value_extracted_with_lambda() {63    // WHEN64    AbstractStringAssert<?> result = assertThat(luke).extracting(FIRST_NAME, STRING);65    // THEN66    result.startsWith("Lu");67  }68  @Test69  void should_pass_allowing_parent_type_narrowed_assertions_on_value_extracted_with_parent_type_factory() {70    // WHEN71    AbstractCharSequenceAssert<?, ?> result = assertThat(luke).extracting(FIRST_NAME, CHAR_SEQUENCE);72    // THEN73    result.startsWith("Lu");74  }75  @Test76  void should_pass_allowing_type_narrowed_assertions_on_value_extracted_with_method_reference() {77    // WHEN78    AbstractIntegerAssert<?> result = assertThat(luke).extracting(Employee::getAge, INTEGER);79    // THEN80    result.isPositive();81  }82  @Test83  void should_pass_allowing_actual_type_narrowed_assertions_on_value_extracted_as_an_object() {84    // GIVEN85    Function<Employee, Object> ageAsObject = Employee::getAge;86    // WHEN87    AbstractIntegerAssert<?> result = assertThat(luke).extracting(ageAsObject, INTEGER);...

startsWith

Using AI Code Generation

1package org.assertj.core.api.charsequence;2import org.assertj.core.api.AbstractCharSequenceAssert;3import org.assertj.core.api.CharSequenceAssert;4import org.assertj.core.api.CharSequenceAssertBaseTest;5import org.junit.jupiter.api.Test;6import static org.mockito.Mockito.verify;7public class CharSequenceAssert_startsWith_Test extends CharSequenceAssertBaseTest {8public void should_delegate_to_startsWith() {9String prefix = "prefix";10assertThat("something").startsWith(prefix);11verify(strings).assertStartsWith(getInfo(assertThat), getActual(assertThat), prefix);12}13protected CharSequenceAssert invoke_api_method() {14return assertions.startsWith("something");15}16protected void verify_internal_effects() {17verify(strings).assertStartsWith(getInfo(assertThat), getActual(assertThat), "something");18}19}20package org.assertj.core.api.string;21import org.assertj.core.api.AbstractStringAssert;22import org.assertj.core.api.StringAssert;23import org.assertj.core.api.StringAssertBaseTest;24import org.junit.jupiter.api.Test;25import static org.mockito.Mockito.verify;26public class StringAssert_startsWith_Test extends StringAssertBaseTest {27public void should_delegate_to_startsWith() {28String prefix = "prefix";29assertThat("something").startsWith(prefix);30verify(strings).assertStartsWith(getInfo(assertThat), getActual(assertThat), prefix);31}32protected StringAssert invoke_api_method() {33return assertions.startsWith("something");34}35protected void verify_internal_effects() {36verify(strings).assertStartsWith(getInfo(assertThat), getActual(assertThat), "something");37}38}39package org.assertj.core.api.charsequence;40import org.assertj.core.api.AbstractCharSequenceAssert;41import org.assertj.core.api.CharSequenceAssert;42import org.assertj.core.api.CharSequenceAssertBaseTest;43import org.junit.jupiter.api.Test;44import static org.mockito.Mockito.verify;45public class CharSequenceAssert_startsWith_Test extends CharSequenceAssertBaseTest {46public void should_delegate_to_startsWith() {47String prefix = "prefix";48assertThat("something").startsWith(prefix);49verify(strings).assertStartsWith(getInfo(assertThat), getActual(assertThat), prefix);50}

startsWith

Using AI Code Generation

1import org.assertj.core.api.AbstractCharSequenceAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.api.CharSequenceAssert;4import org.assertj.core.api.CharSequenceAssertBaseTest;5public class CharSequenceAssert_startsWith_Test extends CharSequenceAssertBaseTest {6  protected CharSequenceAssert invoke_api_method() {7    return assertions.startsWith("Yoda");8  }9  protected void verify_internal_effects() {10    verify(strings).assertStartsWith(getInfo(assertions), getActual(assertions), "Yoda");11  }12}13import static org.assertj.core.api.Assertions.assertThat;14import org.junit.jupiter.api.Test;15public class AbstractCharSequenceAssert_startsWith_Test {16  public void should_pass_if_actual_starts_with_prefix() {17    assertThat("Yoda").startsWith("Yo");18  }19  public void should_fail_if_actual_does_not_start_with_prefix() {20    assertThatThrownBy(() -> assertThat("Yoda").startsWith("Da"))21      .isInstanceOf(AssertionError.class)22      .hasMessageContaining("Expecting string to start with:")23      .hasMessageContaining("but was:")24      .hasMessageContaining("Yoda");25  }26}27import static org.assertj.core.api.Assertions.assertThat;28import static org.assertj.core.api.Assertions.assertThatThrownBy;29import org.junit.jupiter.api.Test;30public class AbstractCharSequenceAssert_startsWith_Test {31  public void should_pass_if_actual_starts_with_prefix() {32    assertThat("Yoda").startsWith("Yo");33  }34  public void should_fail_if_actual_does_not_start_with_prefix() {35    assertThatThrownBy(() -> assertThat("Yoda").startsWith("Da"))36      .isInstanceOf(AssertionError.class)37      .hasMessageContaining("Expecting string to start with:")38      .hasMessageContaining("but was:")39      .hasMessageContaining("Yoda");40  }41}42import static org.assertj.core.api.Assertions.assertThat;43import static org.assertj.core.api.Assertions.assertThatThrownBy;44import org.junit.jupiter.api.Test;45public class AbstractCharSequenceAssert_startsWith_Test {

startsWith

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.AbstractCharSequenceAssert;3public class 1 {4    public static void main(String[] args) {5        String str = "Hello World";6        AbstractCharSequenceAssert<?, String> result = Assertions.assertThat(str);7        result.startsWith("Hello");8        System.out.println("The string starts with Hello");9    }10}

startsWith

Using AI Code Generation

1package org.example;2import static org.assertj.core.api.Assertions.assertThat;3public class App {4    public static void main(String[] args) {5        String name = "John";6        assertThat(name).startsWith("Jo");7    }8}

startsWith

Using AI Code Generation

1import org.assertj.core.api.AbstractCharSequenceAssert;2import org.assertj.core.api.Assertions;3import org.junit.Test;4import static org.assertj.core.api.Assertions.assertThat;5public class AssertJCharSequenceAssertTest {6  public void testStartsWith() {7    AbstractCharSequenceAssert<?, String> assertion = Assertions.assertThat("Hello World");8    assertion.startsWith("Hello");9  }10}11import org.assertj.core.api.AbstractCharSequenceAssert;12import org.assertj.core.api.Assertions;13import org.junit.Test;14import static org.assertj.core.api.Assertions.assertThat;15public class AssertJCharSequenceAssertTest {16  public void testContains() {17    AbstractCharSequenceAssert<?, String> assertion = Assertions.assertThat("Hello World");18    assertion.contains("World");19  }20}21import org.assertj.core.api.AbstractCharSequenceAssert;22import org.assertj.core.api.Assertions;23import org.junit.Test;24import static org.assertj.core.api.Assertions.assertThat;25public class AssertJCharSequenceAssertTest {26  public void testEndsWith() {27    AbstractCharSequenceAssert<?, String> assertion = Assertions.assertThat("Hello World");28    assertion.endsWith("World");29  }30}31import org.assertj.core.api.AbstractCharSequenceAssert;32import org.assertj.core.api.Assertions;33import org.junit.Test;34import static org.assertj.core.api.Assertions.assertThat;35public class AssertJCharSequenceAssertTest {36  public void testDoesNotContain() {37    AbstractCharSequenceAssert<?, String> assertion = Assertions.assertThat("Hello World");38    assertion.doesNotContain("Hello");39  }40}41import org.assertj.core.api.AbstractCharSequenceAssert;42import org.assertj.core.api.Assertions;43import org.junit.Test;44import static org.assertj.core.api.Assertions.assertThat;45public class AssertJCharSequenceAssertTest {46  public void testMatches() {47    AbstractCharSequenceAssert<?, String> assertion = Assertions.assertThat("Hello World");48    assertion.matches("Hello.*");49  }50}

startsWith

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2public class Test {3    public static void main(String[] args) {4        String str = "Hello World";5        assertThat(str).startsWith("Hello");6    }7}8import static org.assertj.core.api.Assertions.assertThat;9public class Test {10    public static void main(String[] args) {11        String str = "Hello World";12        assertThat(str).startsWith("Hello").endsWith("World");13    }14}15import static org.assertj.core.api.Assertions.assertThat;16public class Test {17    public static void main(String[] args) {18        String str = "Hello World";19        assertThat(str).startsWith("Hello").endsWith("World");20    }21}

startsWith

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.assertThat;3public class AssertJTest {4    public void test1() {5        String str = "Hello World";6        assertThat(str.startsWith("Hello")).isTrue();7    }8}9import org.junit.Test;10import static org.assertj.core.api.Assertions.assertThat;11public class AssertJTest {12    public void test2() {13        String str = "Hello World";14        assertThat(str).startsWith("Hello");15    }16}17The assertThat() method takes an object as a parameter and returns a proxy object. The proxy object provides a set of assertion methods that you can use to make assertions about the state of the object. The

startsWith

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.AbstractCharSequenceAssert;3public class Assertion {4    public static void main(String[] args) {5        String str = "Java";6        AbstractCharSequenceAssert<?, String> assertion = Assertions.assertThat(str);7        assertion.startsWith("Ja");8    }9}

startsWith

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2public class AsstertJAssertThatStartsWith {3    public static void main(String[] args) {4        String str = "Hello";5        assertThat(str).startsWith("He");6    }7}8Example 2: Use startsWith() to check whether the given string starts with the specified prefix or not9import static org.assertj.core.api.Assertions.assertThat;10public class AsstertJAssertThatStartsWith {11    public static void main(String[] args) {12        String str = "Hello";13        assertThat(str).startsWith("He");14        System.out.println("The string starts with the specified prefix");15    }16}17Recommended Posts: AssertJ | AssertThat with contains()18AssertJ | AssertThat with containsOnly()19AssertJ | AssertThat with containsOnlyOnce()20AssertJ | AssertThat with containsSequence()21AssertJ | AssertThat with containsExactly()22AssertJ | AssertThat with containsExactlyInAnyOrder()23AssertJ | AssertThat with containsExactlyInAnyOrderElementsOf()24AssertJ | AssertThat with containsExactlyElementsOf()25AssertJ | AssertThat with hasSameElementsAs()26AssertJ | AssertThat with containsNull()27AssertJ | AssertThat with containsOnlyNulls()28AssertJ | AssertThat with doesNotContainNull()29AssertJ | AssertThat with doesNotContainOnlyNulls()

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