GH-2257 - Explicitly declare properties in HalFormsOptions.

Author: reda-alaoui

Diff for: src/main/java/org/springframework/hateoas/mediatype/hal/forms/HalFormsOptions.java

@@ -32,6 +32,7 @@
  * Representation of HAL-FORMS {@code options} attribute.
  *
  * @author Oliver Drotbohm
+ * @author Réda Housni Alaoui
  * @see https://rwcbook.github.io/hal-forms/#options-element
  * @since 1.3
  */
@@ -151,6 +152,7 @@ protected AbstractHalFormsOptions(@Nullable String promptRef, @Nullable String v
 		 */
 		@Nullable
 		@Override
+		@JsonProperty
 		public String getPromptField() {
 			return promptField;
 		}
@@ -161,6 +163,7 @@ public String getPromptField() {
 		 */
 		@Nullable
 		@Override
+		@JsonProperty
 		public String getValueField() {
 			return valueField;
 		}
@@ -171,6 +174,7 @@ public String getValueField() {
 		 */
 		@Nullable
 		@Override
+		@JsonProperty
 		public Long getMinItems() {
 			return minItems;
 		}
@@ -181,6 +185,7 @@ public Long getMinItems() {
 		 */
 		@Nullable
 		@Override
+		@JsonProperty
 		public Long getMaxItems() {
 			return maxItems;
 		}

Diff for: src/test/java/org/springframework/hateoas/mediatype/hal/forms/Jackson2HalFormsIntegrationTest.java

@@ -28,6 +28,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
+import java.util.Map;
 import java.util.function.Consumer;
 
 import org.junit.jupiter.api.BeforeEach;
@@ -83,6 +84,7 @@
 /**
  * @author Greg Turnquist
  * @author Oliver Drotbohm
+ * @author Réda Housni Alaoui
  */
 class Jackson2HalFormsIntegrationTest {
 
@@ -571,6 +573,44 @@ void rendersPromptedOptionsValues() throws Exception {
 				.isEqualTo("My Prompt");
 	}
 
+	@Test
+		// #2257
+	void rendersFullInlineOptions() {
+		Inline inline = HalFormsOptions.inline(Map.of("my-prompt-field", "foo","my-value-field", "bar")).withPromptField("my-prompt-field")
+				.withValueField("my-value-field")
+				.withMinItems(2L)
+				.withMaxItems(3L);
+
+		DocumentContext result = JsonPath.parse(getCuriedObjectMapper().writeObject(inline));
+		assertThat(result.read("$.inline[0].my-prompt-field", String.class)).isEqualTo("foo");
+		assertThat(result.read("$.inline[0].my-value-field", String.class)).isEqualTo("bar");
+		assertThat(result.read("$.promptField", String.class)).isEqualTo("my-prompt-field");
+		assertThat(result.read("$.valueField", String.class)).isEqualTo("my-value-field");
+		assertThat(result.read("$.minItems", Long.class)).isEqualTo(2L);
+		assertThat(result.read("$.maxItems", Long.class)).isEqualTo(3L);
+	}
+
+	@Test
+		// #2257
+	void rendersFullRemoteOptions() {
+		Link link = Link.of("/foo{?bar}").withType(MediaType.APPLICATION_JSON_VALUE);
+
+		Remote remote = HalFormsOptions.remote(link)
+				.withPromptField("my-prompt-field")
+				.withValueField("my-value-field")
+				.withMinItems(2L)
+				.withMaxItems(3L);
+
+		DocumentContext result = JsonPath.parse(getCuriedObjectMapper().writeObject(remote));
+		assertThat(result.read("$.link.href", String.class)).isEqualTo("/foo{?bar}");
+		assertThat(result.read("$.link.type", String.class)).isEqualTo(MediaType.APPLICATION_JSON_VALUE);
+		assertThat(result.read("$.link.templated", boolean.class)).isTrue();
+		assertThat(result.read("$.promptField", String.class)).isEqualTo("my-prompt-field");
+		assertThat(result.read("$.valueField", String.class)).isEqualTo("my-value-field");
+		assertThat(result.read("$.minItems", Long.class)).isEqualTo(2L);
+		assertThat(result.read("$.maxItems", Long.class)).isEqualTo(3L);
+	}
+
 	@Test // #1483
 	void rendersRemoteOptions() {