How to use assertContainsOnlyOnce method of org.assertj.core.internal.Strings class

Best Assertj code snippet using org.assertj.core.internal.Strings.assertContainsOnlyOnce

Source:Strings_assertContainsOnlyOnce_Test.java

...18import org.assertj.core.test.TestData;19import org.assertj.core.util.FailureMessages;20import org.junit.jupiter.api.Test;21/**22 * Tests for <code>{@link Strings#assertContainsOnlyOnce(AssertionInfo, CharSequence, CharSequence)}</code>.23 */24public class Strings_assertContainsOnlyOnce_Test extends StringsBaseTest {25    @Test26    public void should_pass_if_actual_contains_given_string_only_once() {27        strings.assertContainsOnlyOnce(TestData.someInfo(), "Yoda", "Yo");28    }29    @Test30    public void should_fail_if_actual_contains_given_string_more_than_once() {31        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> strings.assertContainsOnlyOnce(someInfo(), "Yodayoda", "oda")).withMessage(ShouldContainCharSequenceOnlyOnce.shouldContainOnlyOnce("Yodayoda", "oda", 2).create());32    }33    @Test34    public void should_fail_if_actual_contains_sequence_only_once_but_in_different_case() {35        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> strings.assertContainsOnlyOnce(someInfo(), "Yoda", "yo")).withMessage(ShouldContainCharSequenceOnlyOnce.shouldContainOnlyOnce("Yoda", "yo", 0).create());36    }37    @Test38    public void should_fail_if_actual_does_not_contain_given_string() {39        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> strings.assertContainsOnlyOnce(someInfo(), "Yoda", "Luke")).withMessage(ShouldContainCharSequenceOnlyOnce.shouldContainOnlyOnce("Yoda", "Luke", 0).create());40    }41    @Test42    public void should_throw_error_if_sequence_is_null() {43        Assertions.assertThatNullPointerException().isThrownBy(() -> strings.assertContainsOnlyOnce(someInfo(), "Yoda", null)).withMessage(ErrorMessages.charSequenceToLookForIsNull());44    }45    @Test46    public void should_fail_if_actual_is_null() {47        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> strings.assertContainsOnlyOnce(someInfo(), null, "Yoda")).withMessage(FailureMessages.actualIsNull());48    }49    @Test50    public void should_pass_if_actual_contains_sequence_only_once_according_to_custom_comparison_strategy() {51        stringsWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(TestData.someInfo(), "Yoda", "Yo");52        stringsWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(TestData.someInfo(), "Yoda", "yo");53        stringsWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(TestData.someInfo(), "Yoda", "YO");54    }55    @Test56    public void should_fail_if_actual_does_not_contain_sequence_only_once_according_to_custom_comparison_strategy() {57        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> stringsWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(someInfo(), "Yoda", "Luke")).withMessage(ShouldContainCharSequenceOnlyOnce.shouldContainOnlyOnce("Yoda", "Luke", 0, comparisonStrategy).create());58    }59    @Test60    public void should_fail_if_actual_contains_sequence_several_times_according_to_custom_comparison_strategy() {61        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> stringsWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(someInfo(), "Yoda", "Luke")).withMessage(ShouldContainCharSequenceOnlyOnce.shouldContainOnlyOnce("Yoda", "Luke", 0, comparisonStrategy).create());62    }63}...

assertContainsOnlyOnce

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.internal.Strings.assertContainsOnlyOnce;3import static org.assertj.core.test.TestData.someInfo;4import org.assertj.core.api.AssertionInfo;5import org.assertj.core.internal.Strings;6import org.junit.Test;7public class Strings_assertContainsOnlyOnce_Test {8  private Strings strings = Strings.instance();9  public void should_pass_if_actual_contains_given_values_only_once() {10    AssertionInfo info = someInfo();11    String actual = "Yoda";12    String[] values = { "Yo", "da" };13    assertContainsOnlyOnce(info, actual, values);14  }15  public void should_fail_if_actual_contains_given_values_more_than_once() {16    thrown.expect(AssertionError.class);17    AssertionInfo info = someInfo();18    String actual = "Yoda";19    String[] values = { "Yo", "da", "Yo" };20    assertContainsOnlyOnce(info, actual, values);21  }22  public void should_fail_if_actual_does_not_contain_given_values() {23    thrown.expect(AssertionError.class);24    AssertionInfo info = someInfo();25    String actual = "Yoda";26    String[] values = { "Luke", "Leia" };27    assertContainsOnlyOnce(info, actual, values);28  }29  public void should_fail_if_actual_is_null() {30    thrown.expect(AssertionError.class);31    assertContainsOnlyOnce(someInfo(), null, arrayOf("Yoda"));32  }33  public void should_fail_if_actual_is_empty() {34    thrown.expect(AssertionError.class);35    assertContainsOnlyOnce(someInfo(), "", arrayOf("Yoda"));36  }37  public void should_throw_error_if_given_values_is_null() {38    thrown.expect(NullPointerException.class);39    assertContainsOnlyOnce(someInfo(), "Yoda", null);40  }41  public void should_throw_error_if_given_values_is_empty() {42    thrown.expect(IllegalArgumentException.class);43    assertContainsOnlyOnce(someInfo(), "Yoda", emptyArray());44  }45}46We use the static import to be able to use the assertContainsOnly

assertContainsOnlyOnce

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatExceptionOfType;3import static org.assertj.core.internal.ErrorMessages.*;4import static org.assertj.core.test.TestData.someInfo;5import static org.assertj.core.util.FailureMessages.actualIsNull;6import static org.assertj.core.util.Sets.newLinkedHashSet;7import static org.assertj.core.util.Sets.newTreeSet;8import static org.assertj.core.util.Sets.newHashSet;9import static org.assertj.core.api.Assertions.*;10import org.junit.Test;11import java.util.*;12import org.assertj.core.api.*;13import org.assertj.core.api.Assertions.*;14import org.assertj.core.internal.*;15import org.assertj.core.internal.Strings;16import org.assertj.core.util.*;17import org.junit.*;18import static org.assertj.core.api.Assertions.assertThat;19import static org.assertj.core.api.Assertions.assertThatExceptionOfType;20import static org.assertj.core.internal.ErrorMessages.*;21import static org.assertj.core.test.TestData.someInfo;22import static org.assertj.core.util.FailureMessages.actualIsNull;23import static org.assertj.core.util.Sets.newLinkedHashSet;24import static org.assertj.core.util.Sets.newTreeSet;25import static org.assertj.core.util.Sets.newHashSet;26import static org.assertj.core.api.Assertions.*;27import org.junit.Test;28import java.util.*;29import org.assertj.core.api.*;30import org.assertj.core.api.Assertions.*;31import org.assertj.core.internal.*;32import org.assertj.core.internal.Strings;33import org.assertj.core.util.*;34import org.junit.*;35public class AssertJCoreAssertThatTest {36public void assertThatTest1() {37assertThat("abc").contains("b").doesNotContain("d");38}39public void assertThatTest2() {40assertThat(new String[]{"a", "b"}).contains("a", "b").doesNotContain("c");41}42public void assertThatTest3() {43assertThat(new HashSet<String>(Arrays.asList("a", "b"))).contains("a").doesNotContain("c");44}45public void assertThatTest4() {46assertThat(new String[]{"a", "b"}).contains("a", "b").doesNotContain("c");47}48public void assertThatTest5() {49assertThat(new HashSet<String>(Arrays.asList("a", "b"))).contains("a").doesNotContain("c");50}51public void assertThatTest6() {52assertThat("abc").contains("b").doesNotContain("d");53}54public void assertThatTest7() {55assertThat(new

assertContainsOnlyOnce

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Strings;3import org.junit.Test;4public class AssertContainsOnlyOnceTest {5    public void test() {6        String s = "My name is John Doe";7        String word = "John";8        Strings strings = new Strings();9        strings.assertContainsOnlyOnce(Assertions.assertThat(s), word);10    }11}

assertContainsOnlyOnce

Using AI Code Generation

1    public void testAssertContainsOnlyOnce() {2        String str = "This is a test";3        String substring = "test";4        Assertions.assertThat(str).containsOnlyOnce(substring);5    }6    public void testAssertContainsOnlyOnce() {7        String str = "This is a test";8        String substring = "test";9        Assertions.assertThat(str).containsOnlyOnce(substring);10    }11    public void testAssertContainsOnlyOnce() {12        String str = "This is a test";13        String substring = "test";14        Assertions.assertThat(str).containsOnlyOnce(substring);15    }16    public void testAssertContainsOnlyOnce() {17        String str = "This is a test";18        String substring = "test";19        Assertions.assertThat(str).containsOnlyOnce(substring);20    }21    public void testAssertContainsOnlyOnce() {22        String str = "This is a test";23        String substring = "test";24        Assertions.assertThat(str).containsOnlyOnce(substring);25    }26    public void testAssertContainsOnlyOnce() {27        String str = "This is a test";28        String substring = "test";29        Assertions.assertThat(str).containsOnlyOnce(substring);30    }31    public void testAssertContainsOnlyOnce() {

assertContainsOnlyOnce

Using AI Code Generation

1    public void testAssertContainsOnlyOnce() {2        assertThat("Hello World").as("Test String").containsOnlyOnce("Hello");3    }4AssertJ containsOnlyOnce() method5assertThat(string).containsOnlyOnce(substring)6    public void testContainsOnlyOnce() {7        assertThat("Hello World").as("Test String").containsOnlyOnce("Hello");8    }9JUnit containsOnlyOnce() method10assertThat(string, containsOnlyOnce(substring))11    public void testContainsOnlyOnce() {12        assertThat("Hello World", containsOnlyOnce("Hello"));13    }14This is a guide to AssertJ and JUnit containsOnlyOnce() method. Here we discuss the AssertJ containsOnlyOnce() method, JUnit contains

assertContainsOnlyOnce

Using AI Code Generation

1    public static void assertContainsOnlyOnce(AssertionInfo info, CharSequence actual, char value) {2        assertNotNull(info, actual);3        if (actual instanceof String) {4            String actualAsString = (String) actual;5            int occurrences = 0;6            for (int i = 0; i < actualAsString.length(); i++) {7                if (actualAsString.charAt(i) == value) {8                    occurrences++;9                }10            }11            if (occurrences != 1) {12                throw failures.failure(info, shouldContainOnlyOnce(actual, value, occurrences));13            }14        } else {15            int occurrences = 0;16            for (int i = 0; i < actual.length(); i++) {17                if (actual.charAt(i) == value) {18                    occurrences++;19                }20            }21            if (occurrences != 1) {22                throw failures.failure(info, shouldContainOnlyOnce(actual, value, occurrences));23            }24        }25    }26}27public static void assertContainsOnlyOnce(AssertionInfo info, CharSequence actual, char value) {28        assertNotNull(info, actual);29        int occurrences = countOccurrences(actual, value);30        if (occurrences != 1) {31            throw failures.failure(info, shouldContainOnlyOnce(actual, value, occurrences));32        }33    }34    private static int countOccurrences(CharSequence actual, char value) {35        int occurrences = 0;36        for (int i = 0; i < actual.length(); i++) {37            if (actual.charAt(i) == value) {38                occurrences++;39            }40        }41        return occurrences;42    }

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.