Merge branch 'master' of https://github.com/eugenp/tutorials into BAEL-10897

2019-03-29 00:08:00 +05:30
parent 3e926d56be 580ed9f626
commit 0b7d4a4d64
154 changed files with 2937 additions and 186 deletions
@@ -0,0 +1,86 @@
+package com.baeldung.exists;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.data.domain.ExampleMatcher.GenericPropertyMatchers.ignoreCase;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Example;
+import org.springframework.data.domain.ExampleMatcher;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.Arrays;
+import java.util.List;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CarRepositoryIntegrationTest {
+
+    @Autowired
+    private CarRepository repository;
+    private int searchId;
+
+    @Before
+    public void setup() {
+        List<Car> cars = repository.saveAll(Arrays.asList(new Car(200, "BMW"), new Car(300, "Audi")));
+        searchId = cars.get(0).getId();
+    }
+
+    @After
+    public void teardown() {
+        repository.deleteAll();
+    }
+
+    @Test
+    public void whenIdIsCorrect_thenExistsShouldReturnTrue() {
+        assertThat(repository.existsById(searchId)).isTrue();
+    }
+
+    @Test
+    public void givenExample_whenExists_thenIsTrue() {
+        ExampleMatcher modelMatcher = ExampleMatcher.matching()
+                .withIgnorePaths("id") // must explicitly ignore -> PK
+                .withMatcher("model", ignoreCase());
+        Car probe = new Car();
+        probe.setModel("bmw");
+
+        Example<Car> example = Example.of(probe, modelMatcher);
+
+        assertThat(repository.exists(example)).isTrue();
+    }
+
+    @Test
+    public void givenPower_whenExists_thenIsFalse() {
+        assertThat(repository.existsCarByPower(200)).isTrue();
+        assertThat(repository.existsCarByPower(800)).isFalse();
+    }
+
+    @Test
+    public void existsByDerivedQuery_byModel() {
+        assertThat(repository.existsCarByModel("Audi")).isTrue();
+        assertThat(repository.existsCarByModel("audi")).isFalse();
+        assertThat(repository.existsCarByModel("AUDI")).isFalse();
+        assertThat(repository.existsCarByModel("")).isFalse();
+    }
+
+    @Test
+    public void givenModelName_whenExistsExact_thenIsTrue() {
+        assertThat(repository.existsCarExactCustomQuery("BMW")).isTrue();
+        assertThat(repository.existsCarExactCustomQuery("Bmw")).isFalse();
+        assertThat(repository.existsCarExactCustomQuery("bmw")).isFalse();
+        assertThat(repository.existsCarExactCustomQuery("")).isFalse();
+    }
+
+    @Test
+    public void givenModelName_whenExistsLike_thenIsTrue() {
+        assertThat(repository.existsCarLikeCustomQuery("BMW")).isTrue();
+        assertThat(repository.existsCarLikeCustomQuery("Bmw")).isTrue();
+        assertThat(repository.existsCarLikeCustomQuery("bmw")).isTrue();
+        assertThat(repository.existsCarLikeCustomQuery("")).isFalse();
+    }
+
+}