Add exhaustive facet count to facet search requests

src/main/java/com/meilisearch/sdk/FacetSearchRequest.java

@@ -23,6 +23,7 @@ public class FacetSearchRequest {
     private String q;
     private MatchingStrategy matchingStrategy;
     private String[] attributesToSearchOn;
+    private Boolean exhaustiveFacetCount;
     private String[] filter;
     private String[][] filterArray;
 
@@ -68,6 +69,7 @@ public String toString() {
                                         ? null
                                         : this.matchingStrategy.toString())
                         .putOpt("attributesToSearchOn", this.attributesToSearchOn)
+                        .putOpt("exhaustiveFacetCount", this.exhaustiveFacetCount)
                         .putOpt("filter", this.filter)
                         .putOpt("filter", this.filterArray);
 

src/test/java/com/meilisearch/sdk/FacetSearchRequestTest.java

@@ -0,0 +1,45 @@
+package com.meilisearch.sdk;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.is;
+
+import org.json.JSONObject;
+import org.junit.jupiter.api.Test;
+
+class FacetSearchRequestTest {
+    @Test
+    void omitsExhaustiveFacetCountByDefault() {
+        JSONObject json = new JSONObject(new FacetSearchRequest("genres").toString());
+
+        assertThat(json.has("exhaustiveFacetCount"), is(false));
+    }
+
+    @Test
+    void serializesExhaustiveFacetCount() {
+        FacetSearchRequest request = new FacetSearchRequest("genres").setExhaustiveFacetCount(true);
+
+        JSONObject json = new JSONObject(request.toString());
+
+        assertThat(json.getBoolean("exhaustiveFacetCount"), is(true));
+    }
+
+    @Test
+    void serializesExhaustiveFacetCountWhenFalse() {
+        FacetSearchRequest request =
+                new FacetSearchRequest("genres").setExhaustiveFacetCount(false);
+
+        JSONObject json = new JSONObject(request.toString());
+
+        assertThat(json.has("exhaustiveFacetCount"), is(true));
+        assertThat(json.getBoolean("exhaustiveFacetCount"), is(false));
+    }
+
+    @Test
+    void buildsWithExhaustiveFacetCount() {
+        FacetSearchRequest request =
+                FacetSearchRequest.builder().facetName("genres").exhaustiveFacetCount(true).build();
+
+        assertThat(request.getExhaustiveFacetCount(), is(equalTo(true)));
+    }
+}