/
NikolayIvkin
/
tutorials1
Обзор
Документация
Войти
/
NikolayIvkin
/
tutorials1
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
testing-modules/testing-libraries-2/src/test/java/com/baeldung/systemstubs/JUnit4SystemPropertiesUnitTest.java
42 строки
1 KB
Ashley Frieze
BAEL-4742 System Stubs example tests
25 ноя 2020, 02:38
25 ноя 2020, 02:38
3c01b8f
Код
Авторство
О чём код?
package com.baeldung.systemstubs; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import uk.org.webcompere.systemstubs.rules.SystemPropertiesRule; import static org.assertj.core.api.Assertions.assertThat; public class JUnit4SystemPropertiesUnitTest { @Rule public SystemPropertiesRule systemProperties = new SystemPropertiesRule("db.connection", "false"); @Before public void before() { systemProperties.set("before.prop", "before"); } @Test public void givenPropertyIsSet_thenCanBeUsedInTest() { assertThat(System.getProperty("db.connection")).isEqualTo("false"); } @Test public void givenPropertyIsSet_thenAnotherCanBeSetAndBeUsedInTest() { assertThat(System.getProperty("db.connection")).isEqualTo("false"); systemProperties.set("prop2", "true"); assertThat(System.getProperty("prop2")).isEqualTo("true"); } @Test public void givenPropertySetInBefore_thenCanBeSeenInTest() { assertThat(System.getProperty("before.prop")).isEqualTo("before"); } @Test public void givenPropertySetEarlier_thenNotVisibleLater() { assertThat(System.getProperty("prop2")).isNull(); } }