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IterableAssert_filteredOn_condition_Test.java
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IterableAssert_filteredOn_condition_Test.java
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/*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* Copyright 2012-2022 the original author or authors.
*/
package org.assertj.core.api.iterable;
import static java.util.Arrays.asList;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
import static org.assertj.core.api.Assertions.not;
import static org.assertj.core.presentation.UnicodeRepresentation.UNICODE_REPRESENTATION;
import org.assertj.core.api.Condition;
import org.assertj.core.api.IterableAssert;
import org.assertj.core.data.TolkienCharacter;
import org.assertj.core.data.TolkienCharacterAssert;
import org.assertj.core.data.TolkienCharacterAssertFactory;
import org.assertj.core.presentation.Representation;
import org.assertj.core.test.CaseInsensitiveStringComparator;
import org.assertj.core.test.Employee;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
class IterableAssert_filteredOn_condition_Test extends IterableAssert_filtered_baseTest {
private Condition<Employee> oldEmployees;
private Condition<TolkienCharacter> nameStartingWithFro;
@Override
@BeforeEach
public void setUp() {
super.setUp();
oldEmployees = new Condition<>(employee -> employee.getAge() > 100, "old employees");
nameStartingWithFro = new Condition<>(hobbit -> hobbit.getName().startsWith("Fro"), "name starts with Fro");
}
@Test
void should_filter_iterable_under_test_on_condition() {
assertThat(employees).filteredOn(oldEmployees).containsOnly(yoda, obiwan);
}
@Test
void should_filter_iterable_under_test_on_combined_condition() {
assertThat(employees).filteredOn(not(oldEmployees)).contains(luke, noname);
}
@Test
void should_fail_if_given_condition_is_null() {
assertThatIllegalArgumentException().isThrownBy(() -> {
oldEmployees = null;
assertThat(employees).filteredOn(oldEmployees);
}).withMessage("The filter condition should not be null");
}
@Test
void should_honor_AssertFactory_strongly_typed_navigation_assertions() {
// GIVEN
Iterable<TolkienCharacter> hobbits = hobbits();
TolkienCharacterAssertFactory tolkienCharacterAssertFactory = new TolkienCharacterAssertFactory();
// THEN
assertThat(hobbits, tolkienCharacterAssertFactory).filteredOn(nameStartingWithFro)
.first()
.hasAge(33);
assertThat(hobbits, tolkienCharacterAssertFactory).filteredOn(nameStartingWithFro)
.last()
.hasAge(33);
assertThat(hobbits, tolkienCharacterAssertFactory).filteredOn(nameStartingWithFro)
.element(0)
.hasAge(33);
assertThat(hobbits, tolkienCharacterAssertFactory).filteredOn(nameStartingWithFro)
.elements(0)
.first()
.hasAge(33);
}
@Test
void should_honor_ClassBased_strongly_typed_navigation_assertions() {
// GIVEN
Iterable<TolkienCharacter> hobbits = hobbits();
// THEN
assertThat(hobbits, TolkienCharacterAssert.class).filteredOn(nameStartingWithFro)
.first()
.hasAge(33);
assertThat(hobbits, TolkienCharacterAssert.class).filteredOn(nameStartingWithFro)
.last()
.hasAge(33);
assertThat(hobbits, TolkienCharacterAssert.class).filteredOn(nameStartingWithFro)
.element(0)
.hasAge(33);
assertThat(hobbits, TolkienCharacterAssert.class).filteredOn(nameStartingWithFro)
.elements(0)
.first()
.hasAge(33);
}
@Test
void should_keep_existing_assertion_contextual_information() {
// GIVEN
Iterable<TolkienCharacter> hobbits = hobbits();
String description = "should find Frodo";
String errorMessage = "should have found Frodo";
Representation representation = UNICODE_REPRESENTATION;
// WHEN
IterableAssert<TolkienCharacter> filteredAssertion = assertThat(hobbits).as(description)
.overridingErrorMessage(errorMessage)
.withRepresentation(representation)
.filteredOn(nameStartingWithFro);
// THEN
assertThat(filteredAssertion.info.descriptionText()).isEqualTo(description);
assertThat(filteredAssertion.info.overridingErrorMessage()).isEqualTo(errorMessage);
assertThat(filteredAssertion.info.representation()).isEqualTo(representation);
}
@Test
void should_keep_assertion_state() {
// GIVEN
Iterable<String> names = asList("John", "Doe", "Jane", "Doe");
// WHEN
IterableAssert<String> assertion = assertThat(names).as("test description")
.withFailMessage("error message")
.withRepresentation(UNICODE_REPRESENTATION)
.usingElementComparator(CaseInsensitiveStringComparator.instance)
.filteredOn(new Condition<>(string -> string.length() == 4, "4 letters"))
.containsExactly("JOHN", "JANE");
// THEN
assertThat(assertion.descriptionText()).isEqualTo("test description");
assertThat(assertion.info.representation()).isEqualTo(UNICODE_REPRESENTATION);
assertThat(assertion.info.overridingErrorMessage()).isEqualTo("error message");
}
}