BAEL-5978: Case Insensitive Enum Mapping in Spring Boot (#13061)

* BAEL-5978: Case Insensitive Enum Mapping in Spring Boot * Move code to a new module: spring-boot-request-params
2022-11-27 15:50:55 +01:00
parent f191427bea
commit 30eccf2ae8
11 changed files with 264 additions and 0 deletions
@@ -0,0 +1,52 @@
+package com.baeldung.enummapping;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+
+import com.baeldung.enummapping.controllers.EnumMappingController;
+import com.baeldung.enummapping.enums.Level;
+
+@RunWith(SpringRunner.class)
+@WebMvcTest(EnumMappingController.class)
+public class EnumMappingIntegrationTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    public void whenPassingLowerCaseEnumConstant_thenConvert() throws Exception {
+        mockMvc.perform(get("/enummapping/get?level=medium"))
+            .andExpect(status().isOk())
+            .andExpect(content().string(Level.MEDIUM.name()));
+    }
+
+    @Test
+    public void whenPassingUnknownEnumConstant_thenReturnUndefined() throws Exception {
+        mockMvc.perform(get("/enummapping/get?level=unknown"))
+            .andExpect(status().isOk())
+            .andExpect(content().string("undefined"));
+    }
+
+    @Test
+    public void whenPassingEmptyParameter_thenReturnUndefined() throws Exception {
+        mockMvc.perform(get("/enummapping/get?level="))
+            .andExpect(status().isOk())
+            .andExpect(content().string("undefined"));
+    }
+
+    @Test
+    public void whenPassingNoParameter_thenReturnUndefined() throws Exception {
+        mockMvc.perform(get("/enummapping/get"))
+            .andExpect(status().isOk())
+            .andExpect(content().string("undefined"));
+    }
+
+}
@@ -0,0 +1,37 @@
+package com.baeldung.enummapping.converters;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+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.core.convert.ConversionService;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.enummapping.EnumMappingMainApplication;
+import com.baeldung.enummapping.enums.Level;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = EnumMappingMainApplication.class)
+public class StringToLevelConverterIntegrationTest {
+
+    @Autowired
+    ConversionService conversionService;
+
+    @Test
+    public void whenConvertStringToLevelEnumUsingCustomConverter_thenSuccess() {
+        assertThat(conversionService.convert("low", Level.class)).isEqualTo(Level.LOW);
+    }
+
+    @Test
+    public void whenStringIsEmpty_thenReturnNull() {
+        assertThat(conversionService.convert("", Level.class)).isNull();
+    }
+
+    @Test
+    public void whenStringIsNull_thenReturnNull() {
+        assertThat(conversionService.convert(null, Level.class)).isNull();
+    }
+
+}
@@ -0,0 +1,34 @@
+package com.baeldung.enummapping.editors;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.Test;
+
+import com.baeldung.enummapping.enums.Level;
+
+public class LevelEditorIntegrationTest {
+
+    private final LevelEditor levelEditor = new LevelEditor();
+
+    @Test
+    public void whenConvertStringToLevelEnumUsingCustomPropertyEditor_thenSuccess() {
+        levelEditor.setAsText("lOw");
+
+        assertThat(levelEditor.getValue()).isEqualTo(Level.LOW);
+    }
+
+    @Test
+    public void whenStringIsEmpty_thenReturnNull() {
+        levelEditor.setAsText("");
+
+        assertThat(levelEditor.getValue()).isNull();
+    }
+
+    @Test
+    public void whenStringIsNull_thenReturnNull() {
+        levelEditor.setAsText(null);
+
+        assertThat(levelEditor.getValue()).isNull();
+    }
+
+}